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29 Cards in this Set
- Front
- Back
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What are the foliated metamorphic rocks?
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slate, schist, gneiss
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What are the nonfoliated metamorphic rocks?
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marble, quartzite
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What is the texture of slate?
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slaty
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What is the texture of schist?
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schistocity
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What is the texture of gneiss?
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gneissic banding
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What are the parent rocks & metamorphic grade of slate?
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-low grade
-shale, mudstone |
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What are the parent rocks & metamorphic grade of schist?
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-intermediate to high grade
-siltstone, silty sandstone, shale, slate, basalt, & granite |
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What are the parent rocks & metamorphic grade of gneiss?
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-high grade
-shale, schist, granite, and many others |
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What are the parent rocks & metamorphic grade of marble?
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-low to medium grade
-limestone and dolostone |
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What are the parent rocks & metamorphic grade of quartzite?
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-low to medium grade
-sandstone |
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What is the texture of marble?
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nonfoliated
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What is the texture of quartzite?
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nonfoliated
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What minerals are the light and dark bands in gneiss composed of?
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light - quartz, feldspar
dark - biotite, ferromagnesians |
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Which metamorphic rock is composed of an interlocking of quartz grains and is finely crystalline?
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quartzite
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Which metamorphic rock is composed of an interlocking network of calcite grains and is coarsely crystalline?
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marble
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Which metamorphic rock is so fine grained that you cannot see individual minerals?
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slate
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Which metamorphic rock has a dull, earthy luster?
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slate
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What metamorphic rock has a silky to shiny luster due to the reflection of mica flakes?
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schist
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What is the composition of slate?
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pelitic
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What is the composition of schist?
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pelitic
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What is the composition of gneiss?
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quartzofeldspathic
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What is the composition of marble?
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calcic
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What is the composition of quartzite?
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quartzofeldspathic
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What is the order of metamorphism for shale?
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shale -> slate -> schist -> gneiss
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What is the composition of slate?
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pelitic
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What is the composition of schist?
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pelitic
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What is the composition of gneiss?
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quartzofeldspathic
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What is the composition of marble?
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calcic
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What is the composition of quartzite?
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quartzofeldspathic
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