Sediment

Discovery Science: Earth – Origins and Geology – Deposition

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Earth Science: Origins and Geology – Deposition The surface of the Earth undergoes constant change. In this never-ending process, forces created by wind, water, or glacial ice erode the land in one place and deposit it elsewhere due to the pull of gravity. Rivers transport loose particles and debris, and new land is created where … Read more

Discovery Science: Earth – Sedimentary Rocks

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Earth Science: Sedimentary Rocks Sedimentary rocks are the most common type of rock on Earth. All sedimentary rocks are formed in a similar manner: by sedimentation, compaction, or cementation of many smaller particles of mineral, animal, or plant origin. Sedimentary rocks are categorized into three groups: clastic, chemical, and bio- genic. Clastic sediments, such as … Read more