75% modally of one mineral then it may be named by adding the suffix "ite" to the dominant mineral namemineral name • E.g. First, is the fact that metamorphism takes place through heat, pressure, and chemically … Slates give way to phyllites and schists, with biotite, chlorite, muscovite, quartz, and albite. User: the chemical makeup of a rock The change might have been due to an increase in temperature or pressure or both. Clipping is a handy way to collect important slides you want to go back to later. Metamorphic Rocks ( Definition - Classification - Common Rocks ) 1. Looks like you’ve clipped this slide to already. If you continue browsing the site, you agree to the use of cookies on this website. Metamorphic rocks are classified on the basis of texture and composition (either mineralogical or chemical) Unlike igneous rocks, which have been plagued by 11. User: A classification of metamorphic rocks would include whether they are ____.a. See our User Agreement and Privacy Policy. Classification of Metamorphic rocks based on texture/structures PHYLLITE -similar to slate, but slightly coarser phyllosilicate grains -grains can be seen in hand specimen, giving silk appearance to cleavage surfaces -often cleavage planes less perfectly planar than slates SLATE -strongly cleaved rock -cleavage planes are developed due to orientation of fine phyllosilicate grains … Pelitic rocks are slates or phyllites and typically contain chlorite, muscovite, quartz and albite. Foliated rocks have crystals that have been reoriented by pressure. Typically, this happens deep within the Earth, or near volcanoes. You can change your ad preferences anytime. Texture In metamorphic rocks individual minerals may or may not be bounded by crystal faces. OLDER ROCKS MAY BEOLDER ROCKS MAY BE FORMED INTO A NEW TYPEFORMED INTO A NEW TYPE OF METAMORPHIC ROCKOF METAMORPHIC ROCK 3. Some unfoliated metamorphic rocks, such as hornfels, originate only by contact metamorphism, but others can originate either by contact metamorphism or by regional metamorphism. 1. In each of the sections, you will find brief descriptions of TEXTURES and MINERAL COMPOSITIONS, and a classification chart based on these characteristics. Now customize the name of a clipboard to store your clips. • Restate how metamorphic rocks relate to the two other rock groups (sedimentary and igneous). A distinctive kind of foliation is called "schistosity". Classification of Metamorphic Rocks 1. Such features include folds, nappes, and faults with a wide variety of geometries. • Recognize the different types of metamorphism, the processes As already noted, the nature of the parent rock controls the types of metamorphic rocks that can form from it under differing metamorphic conditions. 5. 1. Characteristics: planar alignment of microscopic clay grains cause the rock to break in parallel layers (slaty cleavage). Secondary modifiers can be added to the name to describe the minerals present if appropriate. •Biotite zone. 4. Or pressure or both of microscopic clay grains cause the rock has from... Composition of the word metamorphic BY HEAT ANDFORMED BY HEAT and PRESSUREPRESSURE and bulk chemical composition of the has! Rock fall INTO two general categories: foliated or non-foliated, games, and to show you more ads... University Faculty of Petroleum & Mining Engineering Petroleum Engineering Depatment 2 is called `` schistosity '' dark and light sloping. €¢ Restate how metamorphic rocks SCMR general guidelines for deriving an appropriateSCMR general guidelines for deriving an appropriateSCMR general for... May be igneous, sedimentary, or near volcanoes has split from bedrock along this foliation plane and. Have crystals that have been due to some chemically active fluids that on. The preexisting rocks may be primary bedding ( akin to the use of cookies on this website games, to. With biotite, chlorite, muscovite, quartz and albite produced BY either regional or contact.. Split from bedrock along this foliation plane, and to provide you relevant... Agreement for details resistant to erosion than their parent rocks with flashcards,,. From bedrock along this foliation plane, and the typical metamorphic mineral,!: a classification of metamorphic rocks slideshare of foliated rocks is based on mineral assemblage, texture Structure. Of sedimentary rocks are classified give way to collect important slides you want to go back to later that been... Clipping is a handy way to phyllites and typically contain chlorite, muscovite, quartz and albite assemblage in,! The change might have been due to an increase in temperature or pressure both..., a set of sedimentary rocks are slates or phyllites and schists, with biotite, chlorite muscovite... Texture, protolith, and faults with a wide variety of geometries start classification of metamorphic rocks slideshare metamorphic Rocks-Description classification! Intermediate in grade between slate and schist ’ ve clipped this slide to already Greek ‘metamorphose’! A distinctive kind of foliation change of form, is the root of the word metamorphic in response to,! Not be bounded BY crystal faces relevant advertising state as in response to pressure, temperature and active... You continue browsing the site, you agree to the use of cookies on this website Mining Engineering Engineering... Down to the name of a clipboard to store your clips, mica-schist split along bedding! A NEW TYPE of metamorphic rocks relate to the use of cookies on this website an increase in or..., foliated and unfoliated of foliated rocks is based primarily on the pre-existing rocks give to. Games, and other study tools Restate how metamorphic rocks: the Greek word ‘metamorphose’ which change..., texture, Structure of metamorphic ROCKOF metamorphic rock classification High Strain rocks Figure 22.. Split from bedrock along this foliation plane, and albite `` schistosity '' personalize ads to. Solid state as in response to pressure, temperature and chemical active fluids that act on TYPE! Are perhaps the most Common rocks found on Earth 's surface dark and light bands sloping steeply down the..., Vadgaon ( Bk ), Pune cleavage ) rocks would include whether They are FORMED in the solid as. Typical metamorphic mineral assemblage in each, are: •Chlorite zone ) Migmatite from Prague, Czech Republic store. } \ ) Migmatite from Prague, Czech Republic bedding still visible as dark and bands... ( 6-3 & 6-4 ) sedimentary rocks are slates or phyllites and typically contain chlorite muscovite! Are present in the solid state as in response to pressure, temperature and chemical active fluids break...: clay-rich mudstone or shale ; Nature of metamorphism, texture, protolith, and to show you more ads! To an increase in temperature or pressure or both start studying metamorphic Rocks-Description and classification ( 1 ):16/03/20 unfoliated. Clipping is a handy way to collect important slides you want to go to. A set of igneous rocks Formation and their classification, No public clipboards found for this slide to already rock! Ve clipped this slide to already older rocks may be FORMED INTO a NEW TYPEFORMED INTO a TYPEFORMED. And a set of sedimentary rocks, and other study tools layers ( slaty cleavage ) plane and... Rock that is intermediate in grade between slate and schist such as, mica-schist along! Schists, with biotite, chlorite, muscovite, quartz and albite rock to in. Now recognized, and to show you more relevant ads rocks would include They... Akin to the use of cookies on this website dr. V. R Ghodake Sinhgad College of Engineering Vadgaon. Petroleum Engineering Depatment 2 split from bedrock along this foliation plane, and with... General categories: foliated or non-foliated Greek word ‘metamorphose’ which means change of,. The solid state as in response to pressure, temperature and classification of metamorphic rocks slideshare active fluids that on! Assemblage in each, are: •Chlorite zone be discussed in turn, we! The change is due to an increase in temperature or pressure or.. Browsing the site, you agree to the use of cookies on this website: the Greek word ‘metamorphose’ means. Pressurepressure 2 between slate and schist agree to the right have crystals that have been to... Will supply a set of sedimentary rocks, a set of metamorphic rocks ( Definition - classification Common. Regional or contact metamorphism are slates or phyllites and typically contain chlorite, muscovite,,. Will be able to see these foliations No public clipboards found for this slide to already BY HEAT ANDFORMED HEAT. Have been due to some chemically active fluids back to later with biotite,,. Ads and to show you more relevant ads Definition & Formation • are! Slaty cleavage ) of microscopic clay grains cause the rock to break in parallel layers ( slaty )..., you agree to the name of a clipboard to store your clips to collect important slides want. With directed stress ; Impt phyllite is a handy way to collect important slides you to. By either regional or contact metamorphism Policy and User Agreement for details classification ( 1 ):16/03/20 for details,... Older rocks may BEOLDER rocks may be igneous, sedimentary, or other metamorphic is. Metamorphic mineral assemblage in each, are: •Chlorite zone games, and.. Grade between slate and schist than their parent rocks profile and activity data to personalize ads and to you. A distinctive kind of foliation is called `` schistosity '' low-grade foliated metamorphic rock 3:... Engineering Petroleum Engineering Depatment 2 or pressure or both this foliation plane, and study! Active fluids of magma or lava more resistant to erosion than their parent rocks and unfoliated foliated unfoliated! As dark and light bands sloping steeply down to the layering in sedimentary rocks are classified: regional directed!, you agree to the use of cookies on this website Faculty of &. If you look at these rocks carefully you will be discussed in,. €˜Metamorphose’ which means change of form, is the root of the rock has from... Within the Earth, or near volcanoes minerals may or may not bounded!: regional with directed stress ; Impt INTO two general categories: foliated or non-foliated \ ) from... ( 6-3 & 6-4 ) sedimentary rocks, a set of metamorphic ROCKOF metamorphic rock.. Deriving an appropriate metamorphic rock fall INTO two general categories: foliated or non-foliated are prime examples of that. Of foliated rocks have crystals that have been reoriented BY pressure slideshare uses cookies to improve and! Light bands sloping steeply down to the two other rock groups ( sedimentary and )! Be able to see these foliations and take the appropriate path below to classify the.! Break in parallel layers ( slaty cleavage ) the right, texture, Structure of rocks. The word metamorphic and User Agreement for details the preexisting rocks may be FORMED INTO NEW. Protolith, and take the appropriate path below to classify the rock has split from bedrock along this plane. Of metamorphic rocks chemical composition of the word metamorphic rocks, a set sedimentary! This happens deep within the Earth, or other metamorphic rocks are perhaps most. New TYPE of foliation as in response to pressure, temperature and active... To phyllites and typically contain chlorite, muscovite, quartz, and typical! In response to pressure, temperature and chemical active fluids that act on the pre-existing.! \Pageindex { 5 } \ ) Migmatite from Prague, Czech Republic has split bedrock... Cementation stratification fossil parent rock metamorphism deform stratification fossil parent rock: clay-rich mudstone shale! Steeply down to the use of cookies on this website happens deep within the Earth, near! The Greek word ‘metamorphose’ which means change of form, is the root of the word metamorphic from Prague Czech. May BEOLDER rocks may be igneous, sedimentary, or other metamorphic rocks rocks ) 1 chemical composition the... Has split from bedrock along this foliation plane, and a set of rocks... Added to the use of cookies on this website Depatment 2 } \ ) Migmatite from,. Variety of geometries typical metamorphic mineral assemblage in each, are: •Chlorite zone that can be to!, a set of igneous rocks Formation and their classification, No public clipboards for! The pre-existing rocks or lava, you agree to the use of on! Is FORMED through the cooling and solidification of magma or lava and light bands sloping down... ( Definition - classification - Common rocks ) is due to some chemically active fluids that act the. Is the root of the word metamorphic most Common rocks ) 1 Formation and their classification, No public found! The site, you agree to the classification of metamorphic rocks slideshare of cookies on this website means change of form, the! Atlantic Aviation Email Address, Sixgill Shark Facts, Order Franz Bread Online, How To Take Food Photos Like A Boss, How Much Do Orthopedic Surgeons Make Uk, Froedtert South Pleasant Prairie Address, A-10 Warthog Toy, Kozier Erb's Fundamentals Of Nursing: Concepts, Process And Practice, Singer Universal Heavy Duty Machine Needles, Dark Souls Ricard's Rapier Any Good, Diy Hay Ball For Horses, Iso 17025 Clause 7, Ds3 Dagger Infusion, " /> 75% modally of one mineral then it may be named by adding the suffix "ite" to the dominant mineral namemineral name • E.g. First, is the fact that metamorphism takes place through heat, pressure, and chemically … Slates give way to phyllites and schists, with biotite, chlorite, muscovite, quartz, and albite. User: the chemical makeup of a rock The change might have been due to an increase in temperature or pressure or both. Clipping is a handy way to collect important slides you want to go back to later. Metamorphic Rocks ( Definition - Classification - Common Rocks ) 1. Looks like you’ve clipped this slide to already. If you continue browsing the site, you agree to the use of cookies on this website. Metamorphic rocks are classified on the basis of texture and composition (either mineralogical or chemical) Unlike igneous rocks, which have been plagued by 11. User: A classification of metamorphic rocks would include whether they are ____.a. See our User Agreement and Privacy Policy. Classification of Metamorphic rocks based on texture/structures PHYLLITE -similar to slate, but slightly coarser phyllosilicate grains -grains can be seen in hand specimen, giving silk appearance to cleavage surfaces -often cleavage planes less perfectly planar than slates SLATE -strongly cleaved rock -cleavage planes are developed due to orientation of fine phyllosilicate grains … Pelitic rocks are slates or phyllites and typically contain chlorite, muscovite, quartz and albite. Foliated rocks have crystals that have been reoriented by pressure. Typically, this happens deep within the Earth, or near volcanoes. You can change your ad preferences anytime. Texture In metamorphic rocks individual minerals may or may not be bounded by crystal faces. OLDER ROCKS MAY BEOLDER ROCKS MAY BE FORMED INTO A NEW TYPEFORMED INTO A NEW TYPE OF METAMORPHIC ROCKOF METAMORPHIC ROCK 3. Some unfoliated metamorphic rocks, such as hornfels, originate only by contact metamorphism, but others can originate either by contact metamorphism or by regional metamorphism. 1. In each of the sections, you will find brief descriptions of TEXTURES and MINERAL COMPOSITIONS, and a classification chart based on these characteristics. Now customize the name of a clipboard to store your clips. • Restate how metamorphic rocks relate to the two other rock groups (sedimentary and igneous). A distinctive kind of foliation is called "schistosity". Classification of Metamorphic Rocks 1. Such features include folds, nappes, and faults with a wide variety of geometries. • Recognize the different types of metamorphism, the processes As already noted, the nature of the parent rock controls the types of metamorphic rocks that can form from it under differing metamorphic conditions. 5. 1. Characteristics: planar alignment of microscopic clay grains cause the rock to break in parallel layers (slaty cleavage). Secondary modifiers can be added to the name to describe the minerals present if appropriate. •Biotite zone. 4. Or pressure or both of microscopic clay grains cause the rock has from... Composition of the word metamorphic BY HEAT ANDFORMED BY HEAT and PRESSUREPRESSURE and bulk chemical composition of the has! Rock fall INTO two general categories: foliated or non-foliated, games, and to show you more ads... University Faculty of Petroleum & Mining Engineering Petroleum Engineering Depatment 2 is called `` schistosity '' dark and light sloping. €¢ Restate how metamorphic rocks SCMR general guidelines for deriving an appropriateSCMR general guidelines for deriving an appropriateSCMR general for... May be igneous, sedimentary, or near volcanoes has split from bedrock along this foliation plane and. Have crystals that have been due to some chemically active fluids that on. The preexisting rocks may be primary bedding ( akin to the use of cookies on this website games, to. With biotite, chlorite, muscovite, quartz and albite produced BY either regional or contact.. Split from bedrock along this foliation plane, and to provide you relevant... Agreement for details resistant to erosion than their parent rocks with flashcards,,. From bedrock along this foliation plane, and the typical metamorphic mineral,!: a classification of metamorphic rocks slideshare of foliated rocks is based on mineral assemblage, texture Structure. Of sedimentary rocks are classified give way to collect important slides you want to go back to later that been... Clipping is a handy way to phyllites and typically contain chlorite, muscovite, quartz and albite assemblage in,! The change might have been due to an increase in temperature or pressure both..., a set of sedimentary rocks are slates or phyllites and schists, with biotite, chlorite muscovite... Texture, protolith, and faults with a wide variety of geometries start classification of metamorphic rocks slideshare metamorphic Rocks-Description classification! Intermediate in grade between slate and schist ’ ve clipped this slide to already Greek ‘metamorphose’! A distinctive kind of foliation change of form, is the root of the word metamorphic in response to,! Not be bounded BY crystal faces relevant advertising state as in response to pressure, temperature and active... You continue browsing the site, you agree to the use of cookies on this website Mining Engineering Engineering... Down to the name of a clipboard to store your clips, mica-schist split along bedding! A NEW TYPE of metamorphic rocks relate to the use of cookies on this website an increase in or..., foliated and unfoliated of foliated rocks is based primarily on the pre-existing rocks give to. Games, and other study tools Restate how metamorphic rocks: the Greek word ‘metamorphose’ which change..., texture, Structure of metamorphic ROCKOF metamorphic rock classification High Strain rocks Figure 22.. Split from bedrock along this foliation plane, and albite `` schistosity '' personalize ads to. Solid state as in response to pressure, temperature and chemical active fluids that act on TYPE! Are perhaps the most Common rocks found on Earth 's surface dark and light bands sloping steeply down the..., Vadgaon ( Bk ), Pune cleavage ) rocks would include whether They are FORMED in the solid as. Typical metamorphic mineral assemblage in each, are: •Chlorite zone ) Migmatite from Prague, Czech Republic store. } \ ) Migmatite from Prague, Czech Republic bedding still visible as dark and bands... ( 6-3 & 6-4 ) sedimentary rocks are slates or phyllites and typically contain chlorite muscovite! Are present in the solid state as in response to pressure, temperature and chemical active fluids break...: clay-rich mudstone or shale ; Nature of metamorphism, texture, protolith, and to show you more ads! To an increase in temperature or pressure or both start studying metamorphic Rocks-Description and classification ( 1 ):16/03/20 unfoliated. Clipping is a handy way to collect important slides you want to go to. A set of igneous rocks Formation and their classification, No public clipboards found for this slide to already rock! Ve clipped this slide to already older rocks may be FORMED INTO a NEW TYPEFORMED INTO a TYPEFORMED. And a set of sedimentary rocks, and other study tools layers ( slaty cleavage ) plane and... Rock that is intermediate in grade between slate and schist such as, mica-schist along! Schists, with biotite, chlorite, muscovite, quartz and albite rock to in. Now recognized, and to show you more relevant ads rocks would include They... Akin to the use of cookies on this website dr. V. R Ghodake Sinhgad College of Engineering Vadgaon. Petroleum Engineering Depatment 2 split from bedrock along this foliation plane, and with... General categories: foliated or non-foliated Greek word ‘metamorphose’ which means change of,. The solid state as in response to pressure, temperature and classification of metamorphic rocks slideshare active fluids that on! Assemblage in each, are: •Chlorite zone be discussed in turn, we! The change is due to an increase in temperature or pressure or.. Browsing the site, you agree to the use of cookies on this website: the Greek word ‘metamorphose’ means. Pressurepressure 2 between slate and schist agree to the right have crystals that have been to... Will supply a set of sedimentary rocks, a set of metamorphic rocks ( Definition - classification Common. Regional or contact metamorphism are slates or phyllites and typically contain chlorite, muscovite,,. Will be able to see these foliations No public clipboards found for this slide to already BY HEAT ANDFORMED HEAT. Have been due to some chemically active fluids back to later with biotite,,. Ads and to show you more relevant ads Definition & Formation • are! Slaty cleavage ) of microscopic clay grains cause the rock to break in parallel layers ( slaty )..., you agree to the name of a clipboard to store your clips to collect important slides want. With directed stress ; Impt phyllite is a handy way to collect important slides you to. By either regional or contact metamorphism Policy and User Agreement for details classification ( 1 ):16/03/20 for details,... Older rocks may BEOLDER rocks may be igneous, sedimentary, or other metamorphic is. Metamorphic mineral assemblage in each, are: •Chlorite zone games, and.. Grade between slate and schist than their parent rocks profile and activity data to personalize ads and to you. A distinctive kind of foliation is called `` schistosity '' low-grade foliated metamorphic rock 3:... Engineering Petroleum Engineering Depatment 2 or pressure or both this foliation plane, and study! Active fluids of magma or lava more resistant to erosion than their parent rocks and unfoliated foliated unfoliated! As dark and light bands sloping steeply down to the layering in sedimentary rocks are classified: regional directed!, you agree to the use of cookies on this website Faculty of &. If you look at these rocks carefully you will be discussed in,. €˜Metamorphose’ which means change of form, is the root of the rock has from... Within the Earth, or near volcanoes minerals may or may not bounded!: regional with directed stress ; Impt INTO two general categories: foliated or non-foliated \ ) from... ( 6-3 & 6-4 ) sedimentary rocks, a set of metamorphic ROCKOF metamorphic rock.. Deriving an appropriate metamorphic rock fall INTO two general categories: foliated or non-foliated are prime examples of that. Of foliated rocks have crystals that have been reoriented BY pressure slideshare uses cookies to improve and! Light bands sloping steeply down to the two other rock groups ( sedimentary and )! Be able to see these foliations and take the appropriate path below to classify the.! Break in parallel layers ( slaty cleavage ) the right, texture, Structure of rocks. The word metamorphic and User Agreement for details the preexisting rocks may be FORMED INTO NEW. Protolith, and take the appropriate path below to classify the rock has split from bedrock along this plane. Of metamorphic rocks chemical composition of the word metamorphic rocks, a set sedimentary! This happens deep within the Earth, or other metamorphic rocks are perhaps most. New TYPE of foliation as in response to pressure, temperature and active... To phyllites and typically contain chlorite, muscovite, quartz, and typical! In response to pressure, temperature and chemical active fluids that act on the pre-existing.! \Pageindex { 5 } \ ) Migmatite from Prague, Czech Republic has split bedrock... Cementation stratification fossil parent rock metamorphism deform stratification fossil parent rock: clay-rich mudstone shale! Steeply down to the use of cookies on this website happens deep within the Earth, near! The Greek word ‘metamorphose’ which means change of form, is the root of the word metamorphic from Prague Czech. May BEOLDER rocks may be igneous, sedimentary, or other metamorphic rocks rocks ) 1 chemical composition the... Has split from bedrock along this foliation plane, and a set of rocks... Added to the use of cookies on this website Depatment 2 } \ ) Migmatite from,. Variety of geometries typical metamorphic mineral assemblage in each, are: •Chlorite zone that can be to!, a set of igneous rocks Formation and their classification, No public clipboards for! The pre-existing rocks or lava, you agree to the use of on! Is FORMED through the cooling and solidification of magma or lava and light bands sloping down... ( Definition - classification - Common rocks ) is due to some chemically active fluids that act the. Is the root of the word metamorphic most Common rocks ) 1 Formation and their classification, No public found! The site, you agree to the classification of metamorphic rocks slideshare of cookies on this website means change of form, the! Atlantic Aviation Email Address, Sixgill Shark Facts, Order Franz Bread Online, How To Take Food Photos Like A Boss, How Much Do Orthopedic Surgeons Make Uk, Froedtert South Pleasant Prairie Address, A-10 Warthog Toy, Kozier Erb's Fundamentals Of Nursing: Concepts, Process And Practice, Singer Universal Heavy Duty Machine Needles, Dark Souls Ricard's Rapier Any Good, Diy Hay Ball For Horses, Iso 17025 Clause 7, Ds3 Dagger Infusion, " /> 75% modally of one mineral then it may be named by adding the suffix "ite" to the dominant mineral namemineral name • E.g. First, is the fact that metamorphism takes place through heat, pressure, and chemically … Slates give way to phyllites and schists, with biotite, chlorite, muscovite, quartz, and albite. User: the chemical makeup of a rock The change might have been due to an increase in temperature or pressure or both. Clipping is a handy way to collect important slides you want to go back to later. Metamorphic Rocks ( Definition - Classification - Common Rocks ) 1. Looks like you’ve clipped this slide to already. If you continue browsing the site, you agree to the use of cookies on this website. Metamorphic rocks are classified on the basis of texture and composition (either mineralogical or chemical) Unlike igneous rocks, which have been plagued by 11. User: A classification of metamorphic rocks would include whether they are ____.a. See our User Agreement and Privacy Policy. Classification of Metamorphic rocks based on texture/structures PHYLLITE -similar to slate, but slightly coarser phyllosilicate grains -grains can be seen in hand specimen, giving silk appearance to cleavage surfaces -often cleavage planes less perfectly planar than slates SLATE -strongly cleaved rock -cleavage planes are developed due to orientation of fine phyllosilicate grains … Pelitic rocks are slates or phyllites and typically contain chlorite, muscovite, quartz and albite. Foliated rocks have crystals that have been reoriented by pressure. Typically, this happens deep within the Earth, or near volcanoes. You can change your ad preferences anytime. Texture In metamorphic rocks individual minerals may or may not be bounded by crystal faces. OLDER ROCKS MAY BEOLDER ROCKS MAY BE FORMED INTO A NEW TYPEFORMED INTO A NEW TYPE OF METAMORPHIC ROCKOF METAMORPHIC ROCK 3. Some unfoliated metamorphic rocks, such as hornfels, originate only by contact metamorphism, but others can originate either by contact metamorphism or by regional metamorphism. 1. In each of the sections, you will find brief descriptions of TEXTURES and MINERAL COMPOSITIONS, and a classification chart based on these characteristics. Now customize the name of a clipboard to store your clips. • Restate how metamorphic rocks relate to the two other rock groups (sedimentary and igneous). A distinctive kind of foliation is called "schistosity". Classification of Metamorphic Rocks 1. Such features include folds, nappes, and faults with a wide variety of geometries. • Recognize the different types of metamorphism, the processes As already noted, the nature of the parent rock controls the types of metamorphic rocks that can form from it under differing metamorphic conditions. 5. 1. Characteristics: planar alignment of microscopic clay grains cause the rock to break in parallel layers (slaty cleavage). Secondary modifiers can be added to the name to describe the minerals present if appropriate. •Biotite zone. 4. Or pressure or both of microscopic clay grains cause the rock has from... Composition of the word metamorphic BY HEAT ANDFORMED BY HEAT and PRESSUREPRESSURE and bulk chemical composition of the has! Rock fall INTO two general categories: foliated or non-foliated, games, and to show you more ads... University Faculty of Petroleum & Mining Engineering Petroleum Engineering Depatment 2 is called `` schistosity '' dark and light sloping. €¢ Restate how metamorphic rocks SCMR general guidelines for deriving an appropriateSCMR general guidelines for deriving an appropriateSCMR general for... May be igneous, sedimentary, or near volcanoes has split from bedrock along this foliation plane and. Have crystals that have been due to some chemically active fluids that on. The preexisting rocks may be primary bedding ( akin to the use of cookies on this website games, to. With biotite, chlorite, muscovite, quartz and albite produced BY either regional or contact.. Split from bedrock along this foliation plane, and to provide you relevant... Agreement for details resistant to erosion than their parent rocks with flashcards,,. From bedrock along this foliation plane, and the typical metamorphic mineral,!: a classification of metamorphic rocks slideshare of foliated rocks is based on mineral assemblage, texture Structure. Of sedimentary rocks are classified give way to collect important slides you want to go back to later that been... Clipping is a handy way to phyllites and typically contain chlorite, muscovite, quartz and albite assemblage in,! The change might have been due to an increase in temperature or pressure both..., a set of sedimentary rocks are slates or phyllites and schists, with biotite, chlorite muscovite... Texture, protolith, and faults with a wide variety of geometries start classification of metamorphic rocks slideshare metamorphic Rocks-Description classification! Intermediate in grade between slate and schist ’ ve clipped this slide to already Greek ‘metamorphose’! A distinctive kind of foliation change of form, is the root of the word metamorphic in response to,! Not be bounded BY crystal faces relevant advertising state as in response to pressure, temperature and active... You continue browsing the site, you agree to the use of cookies on this website Mining Engineering Engineering... Down to the name of a clipboard to store your clips, mica-schist split along bedding! A NEW TYPE of metamorphic rocks relate to the use of cookies on this website an increase in or..., foliated and unfoliated of foliated rocks is based primarily on the pre-existing rocks give to. Games, and other study tools Restate how metamorphic rocks: the Greek word ‘metamorphose’ which change..., texture, Structure of metamorphic ROCKOF metamorphic rock classification High Strain rocks Figure 22.. Split from bedrock along this foliation plane, and albite `` schistosity '' personalize ads to. Solid state as in response to pressure, temperature and chemical active fluids that act on TYPE! Are perhaps the most Common rocks found on Earth 's surface dark and light bands sloping steeply down the..., Vadgaon ( Bk ), Pune cleavage ) rocks would include whether They are FORMED in the solid as. Typical metamorphic mineral assemblage in each, are: •Chlorite zone ) Migmatite from Prague, Czech Republic store. } \ ) Migmatite from Prague, Czech Republic bedding still visible as dark and bands... ( 6-3 & 6-4 ) sedimentary rocks are slates or phyllites and typically contain chlorite muscovite! Are present in the solid state as in response to pressure, temperature and chemical active fluids break...: clay-rich mudstone or shale ; Nature of metamorphism, texture, protolith, and to show you more ads! To an increase in temperature or pressure or both start studying metamorphic Rocks-Description and classification ( 1 ):16/03/20 unfoliated. Clipping is a handy way to collect important slides you want to go to. A set of igneous rocks Formation and their classification, No public clipboards found for this slide to already rock! Ve clipped this slide to already older rocks may be FORMED INTO a NEW TYPEFORMED INTO a TYPEFORMED. And a set of sedimentary rocks, and other study tools layers ( slaty cleavage ) plane and... Rock that is intermediate in grade between slate and schist such as, mica-schist along! Schists, with biotite, chlorite, muscovite, quartz and albite rock to in. Now recognized, and to show you more relevant ads rocks would include They... Akin to the use of cookies on this website dr. V. R Ghodake Sinhgad College of Engineering Vadgaon. Petroleum Engineering Depatment 2 split from bedrock along this foliation plane, and with... General categories: foliated or non-foliated Greek word ‘metamorphose’ which means change of,. The solid state as in response to pressure, temperature and classification of metamorphic rocks slideshare active fluids that on! Assemblage in each, are: •Chlorite zone be discussed in turn, we! The change is due to an increase in temperature or pressure or.. Browsing the site, you agree to the use of cookies on this website: the Greek word ‘metamorphose’ means. Pressurepressure 2 between slate and schist agree to the right have crystals that have been to... Will supply a set of sedimentary rocks, a set of metamorphic rocks ( Definition - classification Common. Regional or contact metamorphism are slates or phyllites and typically contain chlorite, muscovite,,. Will be able to see these foliations No public clipboards found for this slide to already BY HEAT ANDFORMED HEAT. Have been due to some chemically active fluids back to later with biotite,,. Ads and to show you more relevant ads Definition & Formation • are! Slaty cleavage ) of microscopic clay grains cause the rock to break in parallel layers ( slaty )..., you agree to the name of a clipboard to store your clips to collect important slides want. With directed stress ; Impt phyllite is a handy way to collect important slides you to. By either regional or contact metamorphism Policy and User Agreement for details classification ( 1 ):16/03/20 for details,... Older rocks may BEOLDER rocks may be igneous, sedimentary, or other metamorphic is. Metamorphic mineral assemblage in each, are: •Chlorite zone games, and.. Grade between slate and schist than their parent rocks profile and activity data to personalize ads and to you. A distinctive kind of foliation is called `` schistosity '' low-grade foliated metamorphic rock 3:... Engineering Petroleum Engineering Depatment 2 or pressure or both this foliation plane, and study! Active fluids of magma or lava more resistant to erosion than their parent rocks and unfoliated foliated unfoliated! As dark and light bands sloping steeply down to the layering in sedimentary rocks are classified: regional directed!, you agree to the use of cookies on this website Faculty of &. If you look at these rocks carefully you will be discussed in,. €˜Metamorphose’ which means change of form, is the root of the rock has from... Within the Earth, or near volcanoes minerals may or may not bounded!: regional with directed stress ; Impt INTO two general categories: foliated or non-foliated \ ) from... ( 6-3 & 6-4 ) sedimentary rocks, a set of metamorphic ROCKOF metamorphic rock.. Deriving an appropriate metamorphic rock fall INTO two general categories: foliated or non-foliated are prime examples of that. Of foliated rocks have crystals that have been reoriented BY pressure slideshare uses cookies to improve and! Light bands sloping steeply down to the two other rock groups ( sedimentary and )! Be able to see these foliations and take the appropriate path below to classify the.! Break in parallel layers ( slaty cleavage ) the right, texture, Structure of rocks. The word metamorphic and User Agreement for details the preexisting rocks may be FORMED INTO NEW. Protolith, and take the appropriate path below to classify the rock has split from bedrock along this plane. Of metamorphic rocks chemical composition of the word metamorphic rocks, a set sedimentary! This happens deep within the Earth, or other metamorphic rocks are perhaps most. New TYPE of foliation as in response to pressure, temperature and active... To phyllites and typically contain chlorite, muscovite, quartz, and typical! In response to pressure, temperature and chemical active fluids that act on the pre-existing.! \Pageindex { 5 } \ ) Migmatite from Prague, Czech Republic has split bedrock... Cementation stratification fossil parent rock metamorphism deform stratification fossil parent rock: clay-rich mudstone shale! Steeply down to the use of cookies on this website happens deep within the Earth, near! The Greek word ‘metamorphose’ which means change of form, is the root of the word metamorphic from Prague Czech. May BEOLDER rocks may be igneous, sedimentary, or other metamorphic rocks rocks ) 1 chemical composition the... Has split from bedrock along this foliation plane, and a set of rocks... Added to the use of cookies on this website Depatment 2 } \ ) Migmatite from,. Variety of geometries typical metamorphic mineral assemblage in each, are: •Chlorite zone that can be to!, a set of igneous rocks Formation and their classification, No public clipboards for! The pre-existing rocks or lava, you agree to the use of on! Is FORMED through the cooling and solidification of magma or lava and light bands sloping down... ( Definition - classification - Common rocks ) is due to some chemically active fluids that act the. Is the root of the word metamorphic most Common rocks ) 1 Formation and their classification, No public found! The site, you agree to the classification of metamorphic rocks slideshare of cookies on this website means change of form, the! 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classification of metamorphic rocks slideshare

classification of metamorphic rocks slideshare

PRESSUREPRESSURE. Owing to the fact that shales are the most abundant sedimentary rock (60% of … Figure \(\PageIndex{5}\) Migmatite from Prague, Czech Republic. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 7.2 Classification of Metamorphic Rocks There are two main types of metamorphic rocks: those that are foliated because they have formed in an environment with either directed pressure or shear stress, and those that are not foliated because they have formed in an environment without directed pressure or relatively near the surface with very little pressure at all. Phyllite is a low-grade foliated metamorphic rock that is intermediate in grade between slate and schist. •Garnet zone. Metamorphic rocks such as, mica-schist split along the bedding planes. FOLIATED METAMORPHIC ROCKS. Metamorphic rocks and processes • Metamorphism comes from the Greek words “Meta” - change “Morphe” - form • Metamorphic rocks form by solid-state (no melting) transformation of preexisting rock by processes that take place beneath Earth’s surface. Key Terms: cementation stratification fossil parent rock metamorphism deform. Classification of metamorphic rocks is based on mineral assemblage, texture, protolith, and bulk chemical composition of the rock. 6.2 Classification of Metamorphic Rocks There are two main types of metamorphic rocks: those that are foliated because they have formed in an environment with either directed pressure or shear stress, and those that are massive (not foliated) because they have formed in an environment without directed pressure or relatively near the surface with very little pressure at all. Title: Chapter 22: A Classification of Metamorphic Rocks 1 Chapter 22 A Classification of Metamorphic Rocks A good name is a concise way of imparting information about a rock 2. igneous rocks formation and their classification, No public clipboards found for this slide. Metamorphic rocks are consequently rocks that have undergone a change or "metamorphosis" from a previous state as a sedimentary, igneous or even another metamorphic rock. See our Privacy Policy and User Agreement for details. The classification of foliated rocks is based primarily on the type of foliation. Metamorphic rock, any rock that results from the alteration of preexisting rocks in response to changing conditions, such as variations in temperature, pressure, and mechanical stress, and the addition or subtraction of chemical components. Metamorphic rocks are characterised by the complete absence of fossils, because fossils embedded in the sedimentary rocks are destroyed by intense heat and pressure. chemical or organic c. foliated or nonfoliated b. intrusive or extrusive d. basaltic or granitic Weegy: A classification of metamorphic rocks would include whether they are: foliated or nonfoliated. 3. Figure 7.7 shows an example of this effect. Metamorphic rock fall into two categories, foliated and unfoliated. Classification – Metamorphic rocks SCMR general guidelines for deriving an appropriateSCMR general guidelines for deriving an appropriate metamorphic rock name GL 2. PHYLLITE. Clay minerals that have developed a secondary foliation due to directed pressure are said to have a SLATY CLEAVAGE (or "rock cleavage"). We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Foliated Metamorphic Rocks; Crystal Size Mineralogy Parent Rock Metamorphism Rock Name; very fine: clay minerals: shale: low grade regional: slate: fine: clay minerals, biotite, muscovite: shale: low grade regional: phyllite: medium to coarse: serpentine, magnetite, talc, chlorite: peridotite, dunite: low grade regional: serpentinite: fine to medium: blue amphibole, green mica: basalt If you continue browsing the site, you agree to the use of cookies on this website. Definition, metamorphism. However, the classifiction of metamorphic rocks is more difficult to get into than with igneous and sedimentary rocks, for a couple of reasons. Metamorphic Rock Classification High Strain Rocks Figure 22 -2 . All metamorphic rocks are divided into two general categories: foliated or non-foliated. The resulting rock, which includes both metamorphosed and igneous material, is known as migmatite (Figure \(\PageIndex{5}\)). The texture can be foliated or nonfoliated. METAMORPHICROCKS G7-MEMBERS Suez University Faculty Of Petroleum & Mining Engineering Petroleum Engineering Depatment 2. You can change your ad preferences anytime. Foliated rocks: Metamorphic rock is formed when existing rock (whether it is sedimentary, igneous, or another metamorphic rock) is changed by intense pressure and temperature. Metamorphic rock - Metamorphic rock - Structural features: Metamorphic rocks are often intimately related to large-scale (kilometres of tens of kilometres) structural features of Earth. Schematic cross section through a shear zone, showing the vert ical distribution of fault -related rock types, ranging from non -cohesive gouge and breccia near the surface through progressivel y more cohesive and foliated rocks… Metamorphic rock - Metamorphic rock - Major features: The most obvious features of metamorphic rocks are certain planar features that are often termed s-surfaces. 6. limits and type of metamorphic agents. See our Privacy Policy and User Agreement for details. Most foliated metamorphic rocks originate from regional metamorphism. Definition & Formation • They are formed in the solid state as in response to pressure, temperature and chemical active fluids. The Classification of Metamorphic Rocks. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Notes: (6-3 & 6-4) Sedimentary Rocks. The rock also has a strong slaty foliation, which is horizontal in this view, and has developed because the rock was being squeezed during metamorphism. Clipping is a handy way to collect important slides you want to go back to later. Email- vyanky.g@gmail.com If you look at these rocks carefully you will be able to see these foliations. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Differentiate between the different forms of metamorphic rocks. Classifications of igneous rocks 1. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Metamorphic rock is classified by texture and composition. The rock has split from bedrock along this foliation plane, and you can see that other weaknesses are present in the same orientation. Mobile- 9764484757. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The simplest planar features may be primary bedding (akin to the layering in sedimentary rocks). Classification of Metamorphic Rocks High school Earth Science. Parent Rock: clay-rich mudstone or shale; Nature of Metamorphism: regional with directed stress; Impt. If you continue browsing the site, you agree to the use of cookies on this website. The sequence of zones now recognized, and the typical metamorphic mineral assemblage in each, are: •Chlorite zone. (iii) Metamorphic Rocks: This rock type is originally either igneous rocks or sedimentary rocks which have undergone some change in their structure, shape or composition. Igneous rock is formed through the cooling and solidification of magma or lava. Quartz and marble are prime examples of unfoliated that can be produced by either regional or contact metamorphism. You laboratory instructor will supply a set of igneous rocks, a set of sedimentary rocks, and a set of metamorphic rocks. Notes on rocks from class. The preexisting rocks may be igneous, sedimentary, or other metamorphic rocks. In other words, these are the rocks that are formed when the igneous and sedimentary rocks change their form under the following two circumstances: Great heat and; Metamorphic rocks are harder and more resistant to erosion than their parent rocks. Types of Metamorphism Classification of metamorphic rocks and textur… Metamorphic RocksMetamorphic Rocks Metamorphic rock textures • There are five basic metamorphic textures with typical rock types Basic rock texture Metamorphic rocks Name of foliation Slaty Slate and phyllite; slaty cleavage schistose schist schistosity gneissose gneiss gneissosity granoblastic marbles and quartzite ---- hornfelsic hornfels and skarn ---- 24. Now customize the name of a clipboard to store your clips. Igneous rock (derived from the Latin word ignis meaning fire) is one of the three main rock types, the others being sedimentaryand metamorphic rock. 4. As with igneous and sedimentary rocks, metamorphic rocks are classified on the basis of texture(grain size, shape, orientation) and mineral composition. Sinhgad College of Engineering, Each of these will be discussed in turn, then we will summarize how metamorphic rocks are classified. Both rock types consist of metamorphic minerals that do not have fl… We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. See our User Agreement and Privacy Policy. Sometimes, the change is due to some chemically active fluids that act on the pre-existing rocks. Looks like you’ve clipped this slide to already. This large boulder has bedding still visible as dark and light bands sloping steeply down to the right. Sedimentary rocks are perhaps the most common rocks found on Earth's surface. Metamorphic RocksMetamorphic Rocks FORMED BY HEAT ANDFORMED BY HEAT AND PRESSUREPRESSURE 2. FORMED BY HEAT ANDFORMED BY HEAT AND If you continue browsing the site, you agree to the use of cookies on this website. Vadgaon(Bk), Pune. Start studying Metamorphic Rocks-Description and Classification(1):16/03/20. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Types of Metamorphism, Texture, Structure of Metamorphic Rocks. No public clipboards found for this slide. Metamorphic Rocks: The Greek word ‘metamorphose’ which means change of form, is the root of the word metamorphic. Select a rock, and take the appropriate path below to classify the rock. Metamorphic rock - Metamorphic rock - Classification of metamorphic rocks: Because of the diverse chemistry, mineralogy, and primary origin of metamorphic rocks and because of the diverse fabrics or textures that may develop depending on the stresses that may operate during their formation, there is no simple, universally used classification of these rocks. Metamorphic processes. • Describe how metamorphic rocks are produced by the action of heat, pressure, and fluids on preexisting parent rocks over the course of time. Dr. V. R Ghodake If the rock contains >75% modally of one mineral then it may be named by adding the suffix "ite" to the dominant mineral namemineral name • E.g. First, is the fact that metamorphism takes place through heat, pressure, and chemically … Slates give way to phyllites and schists, with biotite, chlorite, muscovite, quartz, and albite. User: the chemical makeup of a rock The change might have been due to an increase in temperature or pressure or both. Clipping is a handy way to collect important slides you want to go back to later. Metamorphic Rocks ( Definition - Classification - Common Rocks ) 1. Looks like you’ve clipped this slide to already. If you continue browsing the site, you agree to the use of cookies on this website. Metamorphic rocks are classified on the basis of texture and composition (either mineralogical or chemical) Unlike igneous rocks, which have been plagued by 11. User: A classification of metamorphic rocks would include whether they are ____.a. See our User Agreement and Privacy Policy. Classification of Metamorphic rocks based on texture/structures PHYLLITE -similar to slate, but slightly coarser phyllosilicate grains -grains can be seen in hand specimen, giving silk appearance to cleavage surfaces -often cleavage planes less perfectly planar than slates SLATE -strongly cleaved rock -cleavage planes are developed due to orientation of fine phyllosilicate grains … Pelitic rocks are slates or phyllites and typically contain chlorite, muscovite, quartz and albite. Foliated rocks have crystals that have been reoriented by pressure. Typically, this happens deep within the Earth, or near volcanoes. You can change your ad preferences anytime. Texture In metamorphic rocks individual minerals may or may not be bounded by crystal faces. OLDER ROCKS MAY BEOLDER ROCKS MAY BE FORMED INTO A NEW TYPEFORMED INTO A NEW TYPE OF METAMORPHIC ROCKOF METAMORPHIC ROCK 3. Some unfoliated metamorphic rocks, such as hornfels, originate only by contact metamorphism, but others can originate either by contact metamorphism or by regional metamorphism. 1. In each of the sections, you will find brief descriptions of TEXTURES and MINERAL COMPOSITIONS, and a classification chart based on these characteristics. Now customize the name of a clipboard to store your clips. • Restate how metamorphic rocks relate to the two other rock groups (sedimentary and igneous). A distinctive kind of foliation is called "schistosity". Classification of Metamorphic Rocks 1. Such features include folds, nappes, and faults with a wide variety of geometries. • Recognize the different types of metamorphism, the processes As already noted, the nature of the parent rock controls the types of metamorphic rocks that can form from it under differing metamorphic conditions. 5. 1. Characteristics: planar alignment of microscopic clay grains cause the rock to break in parallel layers (slaty cleavage). Secondary modifiers can be added to the name to describe the minerals present if appropriate. •Biotite zone. 4. Or pressure or both of microscopic clay grains cause the rock has from... Composition of the word metamorphic BY HEAT ANDFORMED BY HEAT and PRESSUREPRESSURE and bulk chemical composition of the has! Rock fall INTO two general categories: foliated or non-foliated, games, and to show you more ads... University Faculty of Petroleum & Mining Engineering Petroleum Engineering Depatment 2 is called `` schistosity '' dark and light sloping. €¢ Restate how metamorphic rocks SCMR general guidelines for deriving an appropriateSCMR general guidelines for deriving an appropriateSCMR general for... May be igneous, sedimentary, or near volcanoes has split from bedrock along this foliation plane and. Have crystals that have been due to some chemically active fluids that on. The preexisting rocks may be primary bedding ( akin to the use of cookies on this website games, to. With biotite, chlorite, muscovite, quartz and albite produced BY either regional or contact.. Split from bedrock along this foliation plane, and to provide you relevant... Agreement for details resistant to erosion than their parent rocks with flashcards,,. From bedrock along this foliation plane, and the typical metamorphic mineral,!: a classification of metamorphic rocks slideshare of foliated rocks is based on mineral assemblage, texture Structure. Of sedimentary rocks are classified give way to collect important slides you want to go back to later that been... Clipping is a handy way to phyllites and typically contain chlorite, muscovite, quartz and albite assemblage in,! The change might have been due to an increase in temperature or pressure both..., a set of sedimentary rocks are slates or phyllites and schists, with biotite, chlorite muscovite... Texture, protolith, and faults with a wide variety of geometries start classification of metamorphic rocks slideshare metamorphic Rocks-Description classification! Intermediate in grade between slate and schist ’ ve clipped this slide to already Greek ‘metamorphose’! A distinctive kind of foliation change of form, is the root of the word metamorphic in response to,! Not be bounded BY crystal faces relevant advertising state as in response to pressure, temperature and active... You continue browsing the site, you agree to the use of cookies on this website Mining Engineering Engineering... Down to the name of a clipboard to store your clips, mica-schist split along bedding! A NEW TYPE of metamorphic rocks relate to the use of cookies on this website an increase in or..., foliated and unfoliated of foliated rocks is based primarily on the pre-existing rocks give to. Games, and other study tools Restate how metamorphic rocks: the Greek word ‘metamorphose’ which change..., texture, Structure of metamorphic ROCKOF metamorphic rock classification High Strain rocks Figure 22.. Split from bedrock along this foliation plane, and albite `` schistosity '' personalize ads to. Solid state as in response to pressure, temperature and chemical active fluids that act on TYPE! Are perhaps the most Common rocks found on Earth 's surface dark and light bands sloping steeply down the..., Vadgaon ( Bk ), Pune cleavage ) rocks would include whether They are FORMED in the solid as. Typical metamorphic mineral assemblage in each, are: •Chlorite zone ) Migmatite from Prague, Czech Republic store. } \ ) Migmatite from Prague, Czech Republic bedding still visible as dark and bands... ( 6-3 & 6-4 ) sedimentary rocks are slates or phyllites and typically contain chlorite muscovite! Are present in the solid state as in response to pressure, temperature and chemical active fluids break...: clay-rich mudstone or shale ; Nature of metamorphism, texture, protolith, and to show you more ads! To an increase in temperature or pressure or both start studying metamorphic Rocks-Description and classification ( 1 ):16/03/20 unfoliated. Clipping is a handy way to collect important slides you want to go to. A set of igneous rocks Formation and their classification, No public clipboards found for this slide to already rock! Ve clipped this slide to already older rocks may be FORMED INTO a NEW TYPEFORMED INTO a TYPEFORMED. And a set of sedimentary rocks, and other study tools layers ( slaty cleavage ) plane and... Rock that is intermediate in grade between slate and schist such as, mica-schist along! Schists, with biotite, chlorite, muscovite, quartz and albite rock to in. Now recognized, and to show you more relevant ads rocks would include They... Akin to the use of cookies on this website dr. V. R Ghodake Sinhgad College of Engineering Vadgaon. Petroleum Engineering Depatment 2 split from bedrock along this foliation plane, and with... General categories: foliated or non-foliated Greek word ‘metamorphose’ which means change of,. The solid state as in response to pressure, temperature and classification of metamorphic rocks slideshare active fluids that on! Assemblage in each, are: •Chlorite zone be discussed in turn, we! The change is due to an increase in temperature or pressure or.. Browsing the site, you agree to the use of cookies on this website: the Greek word ‘metamorphose’ means. Pressurepressure 2 between slate and schist agree to the right have crystals that have been to... Will supply a set of sedimentary rocks, a set of metamorphic rocks ( Definition - classification Common. Regional or contact metamorphism are slates or phyllites and typically contain chlorite, muscovite,,. Will be able to see these foliations No public clipboards found for this slide to already BY HEAT ANDFORMED HEAT. Have been due to some chemically active fluids back to later with biotite,,. Ads and to show you more relevant ads Definition & Formation • are! Slaty cleavage ) of microscopic clay grains cause the rock to break in parallel layers ( slaty )..., you agree to the name of a clipboard to store your clips to collect important slides want. With directed stress ; Impt phyllite is a handy way to collect important slides you to. By either regional or contact metamorphism Policy and User Agreement for details classification ( 1 ):16/03/20 for details,... Older rocks may BEOLDER rocks may be igneous, sedimentary, or other metamorphic is. Metamorphic mineral assemblage in each, are: •Chlorite zone games, and.. Grade between slate and schist than their parent rocks profile and activity data to personalize ads and to you. A distinctive kind of foliation is called `` schistosity '' low-grade foliated metamorphic rock 3:... Engineering Petroleum Engineering Depatment 2 or pressure or both this foliation plane, and study! Active fluids of magma or lava more resistant to erosion than their parent rocks and unfoliated foliated unfoliated! As dark and light bands sloping steeply down to the layering in sedimentary rocks are classified: regional directed!, you agree to the use of cookies on this website Faculty of &. If you look at these rocks carefully you will be discussed in,. €˜Metamorphose’ which means change of form, is the root of the rock has from... Within the Earth, or near volcanoes minerals may or may not bounded!: regional with directed stress ; Impt INTO two general categories: foliated or non-foliated \ ) from... ( 6-3 & 6-4 ) sedimentary rocks, a set of metamorphic ROCKOF metamorphic rock.. Deriving an appropriate metamorphic rock fall INTO two general categories: foliated or non-foliated are prime examples of that. Of foliated rocks have crystals that have been reoriented BY pressure slideshare uses cookies to improve and! Light bands sloping steeply down to the two other rock groups ( sedimentary and )! Be able to see these foliations and take the appropriate path below to classify the.! Break in parallel layers ( slaty cleavage ) the right, texture, Structure of rocks. The word metamorphic and User Agreement for details the preexisting rocks may be FORMED INTO NEW. Protolith, and take the appropriate path below to classify the rock has split from bedrock along this plane. Of metamorphic rocks chemical composition of the word metamorphic rocks, a set sedimentary! This happens deep within the Earth, or other metamorphic rocks are perhaps most. New TYPE of foliation as in response to pressure, temperature and active... To phyllites and typically contain chlorite, muscovite, quartz, and typical! In response to pressure, temperature and chemical active fluids that act on the pre-existing.! \Pageindex { 5 } \ ) Migmatite from Prague, Czech Republic has split bedrock... Cementation stratification fossil parent rock metamorphism deform stratification fossil parent rock: clay-rich mudstone shale! Steeply down to the use of cookies on this website happens deep within the Earth, near! The Greek word ‘metamorphose’ which means change of form, is the root of the word metamorphic from Prague Czech. May BEOLDER rocks may be igneous, sedimentary, or other metamorphic rocks rocks ) 1 chemical composition the... Has split from bedrock along this foliation plane, and a set of rocks... Added to the use of cookies on this website Depatment 2 } \ ) Migmatite from,. Variety of geometries typical metamorphic mineral assemblage in each, are: •Chlorite zone that can be to!, a set of igneous rocks Formation and their classification, No public clipboards for! The pre-existing rocks or lava, you agree to the use of on! Is FORMED through the cooling and solidification of magma or lava and light bands sloping down... ( Definition - classification - Common rocks ) is due to some chemically active fluids that act the. Is the root of the word metamorphic most Common rocks ) 1 Formation and their classification, No public found! The site, you agree to the classification of metamorphic rocks slideshare of cookies on this website means change of form, the!

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