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atroni [7]
3 years ago
7

Describe how obsidian is created from a volcano.

Biology
1 answer:
Jet001 [13]3 years ago
4 0

Answer:

Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. Obsidian is produced when felsic lava extruded from a volcano cools rapidly with minimal crystal growth. ... The inhibition of atomic diffusion through this highly viscous lava explains the lack of crystal growth.

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