What is a protolith? a. The parent rock before metamorphism b. One of the plate
ID: 804459 • Letter: W
Question
What is a protolith?
a. The parent rock before metamorphism
b. One of the plate tectonic boundaires
c. A type of mineral in sedimentary rocks
d. A type of fault
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The Law of superposition simply states that _____
a. Older sedimentary rocks are deposited first and subsequent younger rocks atop them.
b. Sedimentary rocks are always deposited on metamorphic rocks
c. Sedimentary and igneous rocks can be metamorphosed
d. volcanoes create extrusive igneous rocks
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True or False: All sedimentary rocks are deposited relatively flat?
Explanation / Answer
What is a protolith?
Answer:
a. The parent rock before metamorphism
The term is also used in the context of metamorphic rocks where again the parent rock or protolith refers to the original rock before metamorphism takes place.
The Law of superposition simply states that _____
Answer:
a. Older sedimentary rocks are deposited first and subsequent younger rocks atop them.
Explanation: sequence is from oldest to youngest
True or False: All sedimentary rocks are deposited relatively flat?
Answer: True
All sedimentary rocks are deposited relatively flat
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