An unknown igneous rock has very small crystals. The rock _____.
2 answers:
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Question Options:
A. A and B
B. B and C
C. C and D
D. A and C
E. B and D
Answer: C and D. C is near Hawaii, D is along a mid-ocean ridge
Hotspot in geology is the surface manifestation of a plume that rises from deep in the celestial body's mantle.
Divergent margins also known as rift zones, shield volcanoes tend to form as two oceanic plates pull slowly apart and magma effuses upward through the gap.
The sites based on history that has volcanism related to a hot spot or divergent margin are Hawaii and the mid-ocean ridge. Hawaiian volcanoes within the Pacific Plate are caused by anomalous volcanism.
