SCI 245 Sedimentary Rocks WK 5

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Sedimentary Rocks 1

Sedimentary Rocks

Axia College

Plate tectonics affect where sediment falls to the way that rocks are formed

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from the sediment. There are three different types of sediment rocks that are created in

similar manner but actual make up each sediment rock is very difficult. There is clastic

sediment that will form clastic sedimentary rock, chemical sediment that will form

chemical rock, and then there is Biogenic sediment that will eventually form Biogenic

sedimentary rock. This happens in many different ways and plate tectonics help this

process all along the way. “Divergent margins create rift valleys and passive continental

margins. Colliding tectonics plates create structural basins and valleys associated with

mountain ranges as a result of the folding and faulting of rock. Subducting plates form

deep oceanic trenches along with volcanic arcs that may have back-arc basins. All of

these locations are effective traps for sediment.” (From Sediment to Sedimentary Rock,

2008). Convergent plate boundaries can usually be found on the edges of high mountain

ranges due to plate collisions. When pieces of the mountain breaks off it falls to low-

lying areas as gravel and sand. Convergent plate boundaries lie in very low-lying

trenches caused by the subduction of plates. The sediment will pile up quickly because

these areas are so steep. Once sediment has settled it will then begin the process in

becoming a rock.

Sediment goes through a process called “lithification” that enables the sediment to

form rock. The sediment is transformed into rock by various procedures. Most of the

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Sedimentary Rocks Axia College Plate tectonics affect where sediment falls to the way that rocks are formed from the sediment. There are three different types of sediment rocks that are created in similar manner but actual make up each sediment rock is very difficult. There is clastic sediment that will form clastic sedimentary rock, chemical sediment that will form chemical rock, and then there is Biogenic sediment that will eventually form Biogenic sedimentary rock. This happens in many different ways and plate tectonics help this process all along the way. "Divergent margins create rift valleys and passive continental margins. Colliding tectonics plates create structural basins and valleys associated with mountain ranges as a result of the folding and faulting of rock. Subducting plates form deep oceanic trenches along with volcanic arcs that may have back-arc basins. All of these locations are effective traps for sediment." (From Sediment to Sedimentary Rock, 2008). Convergent plate boundaries can usually be found on the edges of high mountain ranges due to plate collisions. When pieces of the mountain breaks off it falls to low-lying areas as gravel and sand. Convergent plate boundaries lie in very low-lying trenches caused by the subduction of plates. The sediment will pile up quickly because these areas are so steep. Once sediment has settled it will then begin the process in becoming a rock. Sediment goes through a process called " ...
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