Multiple Choice
A porphyritic texture where large crystals are embedded in a matrix of small crystal may form when_________ .
A) climate change causes crystals to cool at different rates
B) crystals of different compositions grow to different sizes
C) a magma that has partially crystallized slowly moves to a different location where it then cools rapidly
D) crystals of different compositions cool at different rates
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Under the right circumstances, by the process
Q2: Silts and clays are commonly deposited in
Q4: When sand lithifies, the resulting rock is
Q5: Sedimentary rocks make up approximately _percent of
Q6: Magma differentiation tends to produce deposits of_
Q7: What type of stress pressure. is illustrated
Q8: Precipitation in the case of sedimentary rocks
Q9: Quartz is_ resistant to weathering and is
Q10: What is required for an igneous rock
Q11: Examine the words and/or phrases below and