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ROCKS

ROCKS. SEDIMENTARY ROCKS. Composed of layers of sediment compacted and cemented together. SEDIMENTARY ROCKS. Sedimentary rocks are classified based on how they form. CLASTIC sedimentary rocks are formed from mechanical weathering.

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ROCKS

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  1. ROCKS

  2. SEDIMENTARY ROCKS • Composed of layers of sediment compacted and cemented together

  3. SEDIMENTARY ROCKS • Sedimentary rocks are classified based on how they form. • CLASTIC sedimentary rocks are formed from mechanical weathering. • CHEMICAL sedimentary rocks form when dissolved materials precipitate from solution. • ORGANIC sedimentary rocks form from the accumulation of plant or animal debris.

  4. CLASTIC • Classified based on particle size • Conglomerate • Breccia • Sandstone • Siltstone • Shale

  5. CHEMICAL • Classified based on composition • Limestone • Dolostone • Gypsum • Rock salt • Iron ore • Chert • Flint • Jasper

  6. Did you say JASPER?

  7. ORGANIC • Classified based on source • Coal • Lignite • Bituminous coal • Limestone • Dolomite

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