Question

question 19 of 20 :
select the best answer for the question.

1. during which stage of sedimentary rock formation do minerals crystallize at points of contact with other clasts?

a. burial
b. deposition
c. cementation
d. transportation
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Explanation:

To solve this, we analyze each stage of sedimentary rock formation:

• Option A (Burial): Involves sediments being buried, increasing pressure and temperature, but not mineral crystallization at clast contacts.
• Option B (Deposition): Is the laying down of sediments, not crystallization.
• Option C (Cementation): Minerals precipitate from water in pore spaces, crystallizing at clast (sediment particle) contacts to bind them.
• Option D (Transportation): Involves moving sediments, no crystallization.

So, cementation is the stage with mineral crystallization at clast contacts.

Answer:

C. Cementation