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forming of sed rocks

QuestionAnswer
what are sediments sediments are small pieces of rock that are moved and deposited by water, wind, glaciers, and gravity.
what is weathering Weathering produces rock and mineral fragments known as sediments.
what is Chemical Weathering Chemical weathering occurs when the minerals in a rock are dissolved or otherwise chemically changed.
what is Physical Weathering During physical weathering, however, minerals remain chemically unchanged.Rock fragments break off of the solid rock along fractures or grain boundaries.
what is erosion The removal and transport of sediment is called erosion.
what is Deposition When transported sediments are deposited on the ground or sink to the bottom of a body of water, deposition occurs.
what is Lithification lithification, the physical and chemical processes that transform sediments into sedimentary rocks.
what is Compaction lithification begins with compaction, The weight of overlying sediments forces the sedimentgrains closer together, causing the physical changes
what is Cementation Cementation occurs when mineral growth glues sediment grains together into solid rock.
what is Bedding The primary feature of sedimentary rocks is horizontal layering called bedding. This feature results from the way sediment settles out of water or wind.
what is Graded bedding Bedding in which the particle sizes become progressively heavier and coarser toward the bottom layers is called graded bedding.
what is Cross Bedding cross bedding is formed as inclined layers of sediment are deposited across a horizontal surface. When these deposits become lithified, the cross-beds are preserved in the rock.
what are Ripple Marks When sediment is moved into small ridges by wind or wave action or by a river current, ripple marks form.
Created by: Taten Adkins
 

 



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