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Chemical Sedimentary Rock

Chemical Sedimentary Rock. Hill Science 6. Chemical Sedimentary Rock. Most common chemical sedimentary rock is limestone. Forms in shallow sea water CaCO 3 precipitates out of sea water and forms limestone. To Create a Precipitate. Chemical Sedimentary Rock.

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Chemical Sedimentary Rock

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  1. Chemical Sedimentary Rock Hill Science 6

  2. Chemical Sedimentary Rock • Most common chemical sedimentary rock is limestone. • Forms in shallow sea water • CaCO3 precipitates out of sea water and forms limestone.

  3. To Create a Precipitate

  4. Chemical Sedimentary Rock • Chert – silica flint, agate and jasper • Yellowstone travertine - CaCO3 from hot springs agate chert

  5. Chemical Sedimentary Rock • Geodes – silica filled cavities in limestone left by gas or organic matter that has decayed

  6. Chemical Sedimentary Rock • Evaporites – crystals form when water evaporates gypsum, halite

  7. Sedimentary Rocks • Tell us what the Earth's surface was like in the past. • Only sedimentary rocks contain fossils! • Fossils can tell us about ancient plants, animals, and climates.

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