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CLEP Biology Practice Test
Multiple Choice
CLEP Biology
Multiple Choice Practice Test
Question 1 of 3
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The type of petrification in which the organic matter of the dead body is replaced by double carbonates of calcium and magnesium is called
A
None of these
B
Dolomitization
C
C .Carbonization
D
Silicification
E
Pyritization
In the process of fossil formation, the replacement of dead organic matter by the dissolved minerals is called petrification. It is of different types according to the mineral deposited. Silicification is the replacement of original dead matter by silica; Pyritization is the replacement by iron pyrites. When carbon compounds are deposited, it is called carbonization. In dolomitization, magnesium carbonate replaces the calcium carbonate that was already deposited in dead matter.
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