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Sedimentary rocks
Sedimentary rock vocab
Question | Answer |
---|---|
Bioclastic sedimentary rock | made by living organisms or composed mostly of materials from life forms. Also called organic sedimentary rock. |
Cementation | minerals dissolved in water "glue" the sediment together |
Chemical sedimentary rock | rock made from material that was precipitated from water |
Clastic sedimentary rock | made of broken fragments of rock |
Compaction | sediments are squeezed together by the weight of the rock layers above |
Deposition | dropping of sediments. Occurs when agents of erosion(water, wind, glacier) can no longer carry the sediment. |
Fossil | remains, imprints, or traces of a living thing that lived long ago |
Sediment | loose particles created by the breakdown of rocks |
Sedimentary rock | rock formed from pieces of other rocks or the remains of once-living things |