Sedimentary Rocks

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12 Terms

1
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Clastic

loose rock/fragments cemented together

compaction + cementation = lithification

2
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Conglomerate

rounded, poorly sorted, more mature,clastic

<p>rounded, poorly sorted, more mature,clastic</p>
3
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Breccia

angular, younger, clastic

<p>angular, younger, clastic</p>
4
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Sandstone

sand-sized particles, literally is sand, clastic

<p>sand-sized particles, literally is sand, clastic</p>
5
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Shale

very fine-grained, clastic

<p>very fine-grained, clastic </p>
6
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Mudstone

very fine-grained, silt/clay-sized particles,clastic

<p>very fine-grained, silt/clay-sized particles,clastic</p>
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Siltstone

clastic, similar to mudstone

<p>clastic, similar to mudstone</p>
8
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Chemical

precipitation of minerals that form from elements dissolved in water

9
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Rock salt

made mostly out of halite (chemical)

<p>made mostly out of halite (chemical)</p>
10
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Rock gypsum

soft + light-colored (chemical)

<p>soft + light-colored (chemical)</p>
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Limestone

made of CaCO3 (calcium carbonate), made of marine debris, can be chemical or biochemical (if fossils involved)

<p>made of CaCO3 (calcium carbonate), made of marine debris, can be chemical or biochemical (if fossils involved)</p>
12
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Chert

aka flint, mostly made of silica, can be chemical or biochemical (if fossils involved)

<p>aka flint, mostly made of silica, can be chemical or biochemical (if fossils involved)</p>

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