All of the following processes contribute felsic material to rising basaltic magmas EXCEPT:
A) melting of accumulated biogenic silica from marine microorganisms.
B) subduction zone magmas assimilate overlying crustal rocks.
C) melting of accumulated detrital continental sediments.
D) partial melting of the warm mantle above a subducting oceanic slab.
Correct Answer:
Verified
Q13: Which process accounts for the vast areas
Q14: Which of the following rocks probably underwent
Q15: The term texture refers to:
A) the kinds
Q16: Under which of the following conditions would
Q17: An igneous structure produced by deep- seated,
Q19: Which of the statements regarding economically valuable
Q20: Which of the following is an example
Q21: The primary difference between magma and lava
Q22: Continental Basalts are frequently found:
A) where rifts
Q23: Which of the following is NOT true
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