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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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Dec 11, 2022
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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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Roland Bengtsson
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Answer:
obsidian ..............
Ughzan
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Dec 16, 2022
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Ughzan
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