ConcepTest: Cooling History of Magma #2
Question:
The lines shown on the idealized graph below illustrate the cooling histories for the four magmas listed below, i.e., the lines illustrate how magma temperature decreased with time. What rock is best represented by cooling history B?
a. andesite porphyry
b. gabbro
c. basalt
d. obsidian
a. andesite porphyry
b. gabbro
c. basalt
d. obsidian
Student Responses:
No data yet. The correct response is C.
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