Magmatic segregation occurs when ________.
A) light minerals crystallize early and migrate through fractures in rock
B) heavy minerals crystallize early and settle to the lower part of the magma chamber
C) high-pressure conduits carry crystals to the surface
D) hot, metal-rich fluids migrate through fractures in rock
Question 2
________ is a high-pressure ultramafic rock, often containing diamonds, which is carried to the surface in tapered volcanic pipes.
A) Pegmatite
B) Migmatite
C) Kimberlite
D) Platinum
When horses lie down to sleep, others in the herd remain standing, awake or in a light doze, keeping
Selected Minerals Used for Pharmactherapy
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Tunicate larva (Ascidia), early metamorphosis. LM.