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8th Grade Science

Sedimentary Rocks

rock cycle Series of process in which rocks forms, changes from one type to another, is broken down or melted, and forms again by geologic processes
sediments Are loose materials such as rock fragments, mineral grains, and bits of shell
weathering The natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks
erosion The process by which wind, water, ice, or gravity transports soil and sediments from one location to another.
sedimentary rock Forms when sediments are pressed and cemented together, or when minerals form from solutions.
detrital/clastic Made from the broken fragments of other rocks.
compaction Is a process where layers build up as pressure increase the bottom layers stick together to form a solid rock
cementation Is a process where large sediments are connected together through a solution from water and materials that are broken down
chemical sedimentary rock Dissolved minerals collect and left when water evaporates
organic sedimentary rock Rocks made of the remains of once-living things Example chalk, coal
Created by: SSC