Of the following, the only process NOT involved in the making of clastic rocks is:A.Sediment depositionB.Build-up of plant materialsC.Sediment transportD.Sediment lithification
Question
Of the following, the only process NOT involved in the making of clastic rocks is:A.Sediment depositionB.Build-up of plant materialsC.Sediment transportD.Sediment lithification
Solution
The only process NOT involved in the making of clastic rocks is B. Build-up of plant materials.
Here's why:
A. Sediment deposition: This is a part of the process of forming clastic rocks. After erosion and transport, the sediment is deposited in new locations.
B. Build-up of plant materials: This is not involved in the formation of clastic rocks. It is, however, a key process in the formation of organic rocks like coal.
C. Sediment transport: This is also a part of the process. Erosion breaks down rocks into smaller pieces or sediments, which are then transported by wind, water, or ice.
D. Sediment lithification: This is the final stage in the formation of clastic rocks. Lithification involves the compaction of the sediment and the cementation where minerals bind the sediments together to form rock.
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