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16 Cards in this Set
- Front
- Back
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Conglomerate |
-Clastic -rounded rock fragments (pebbles) in sandstone; resembles concrete |
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Quartz SS. |
-Clastic -Quartz grains; some examples are porous and permeable |
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Arkose SS. |
-Clastic -Abundant grains of Feldspar shows pink |
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Graywacke SS |
-Clastic -Gray color, Sand-sized rock fragments impart a salt-and-pepper appearance |
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Siltstone |
-Clastic -Quartz predominant; Feels Gritty; Grain Size Detectable; Gray (Vanous) Colors |
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Shale |
-Clastic -Grain Size hardly detectable with the unaided eye; Grayish, Blackish,Color |
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Bituminous Coal |
-Biogenic -Black color; sooty |
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Fossiliferous Limestone |
-Biogenic -Calcite shell fragments, fossils detectable |
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Coquina |
-Biogenic -Shell Calcite; appearance of corn flakes |
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Breccia |
-Clastic -Angular fragments show no signs of abrasion |
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Chert |
-Chemical & Biogenic -Micro-crystalline quartz, Conchoidal fracture, sharp edges |
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Micrite Limestone |
-Chemical -Fine-grained character resembles that of mudstone; Calcite (reacts to acid), slightly sharp edges |
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Oolite Limestone |
-Chemical -Sand-size grains of calcite called ooids; white to gray |
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Dolostone |
-Chemical -Texture ranges from that of mudstone |
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Rock Salt |
-Chemical -Cubic crystals of halite with cubic cleavage usually apparent |
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Rock Gypsum |
-Chemical -Very fine crystals impart sugary appearance; usually white |
