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Which one of the following is a result of extremely fast crystallization, resulting in a glassy texture? a. granite-pegmatite b. basalt c. granite d. obsidian
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Which one of the following is a result of extremely fast crystallization, resulting in a glassy texture?

a. granite-pegmatite
b. basalt
c. granite
d. obsidian

User Roland Bengtsson
by
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1 Answer

3 votes

Answer:

obsidian ..............

User Ughzan
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User Tedsmitt
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which statement best explains why obsidian has a smooth glassy surface but basalt has a rough surface
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