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34 Cards in this Set
- Front
- Back
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What are the clastic sedimentary rocks?
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conglomerate, breccia, sandstone, shale, mudstone
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What are the chemical/biochemical sedimentary rocks?
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oolitic limestone, fossiliferous limestone, chert, rock salt, rock gypsum, coal
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What is the sedimentary environment of conglomerate?
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alluvial fan, river channel, high energy beach
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What is the sedimentary environment of breccia?
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landslide deposit, crushed fault zone, glacial deposit
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What is the sedimentary environment of shale?
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lake, lagoon, flood plain, distal delta, shallow marine
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What is the sedimentary environment of mudstone?
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lake, lagoon, flood plain, distal delta, shallow marine
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What is the sedimentary environment of oolitic limestone?
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shallow marine
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What is the sedimentary environment of fossiliferous limestone?
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off-shore, warm, shallow sea with abundant marine life
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What is the sedimentary environment of chert?
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deep marine
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What is the sedimentary environment of rock salt?
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cut-off sea, warm, arid climate
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What is the sedimentary environment of rock gypsum?
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cut-off sea, warm, arid climate, associated with rock salt
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What is the sedimentary environment of coal?
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swamp
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What is the composition of conglomerate?
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-rock fragments
-mineral grains: chert, quartzite, quartz common |
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What is the composition of breccia?
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-rock fragments
-mineral grains: chert, quartzite, quartz common |
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What is the composition of sandstone?
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-quartz, feldspar
-rock fragments in varying proportions |
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What is the composition of shale?
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quartz, clay minerals
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What is the composition of mudstone?
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quartz, clay minerals
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What is the difference between conglomerate and breccia?
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sedimentary environment & conglomerate (rounded grains) vs. breccia (angular grains)
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What is the difference between shale and mudstone?
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shale is laminated, mudstone is massive (no outward crystalline structure)
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What is the texture of conglomerate/breccia?
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coarse-grained, poor sorting
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What is the texture of sandstone?
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medium grained, excellent to poor sorting
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What is the texture of shale/mudstone?
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fine-grained
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What is the texture of oolitic limestone?
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-medium-grained
-excellent to poor sorting |
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What is the texture of fossiliferous limestone?
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poorly sorted shell and fossil fragments
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What is the texture of chert?
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-fine-grained
-very well sorted |
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What is the texture of rock salt?
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fine to coarse grained
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What is the texture of rock gypsum?
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-fine to coarse grained
-crystalline |
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What is the texture of coal?
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fine to coarse grained
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What is the composition of oolitic limestone?
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small calcite spheres
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What is the composition of fossiliferous limestone?
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calcerous fossil shells, calcite, clay minerals
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What is the composition of chert?
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quartz (silica)
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What is the composition of rock salt?
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halite
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What is the composition of rock gypsum?
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gypsum
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What is the composition of coal?
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preserved plant materials
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