Explain how you would decide whether an igneous rock formed from a volcanic eruption.?

👨🏻‍🏫 學術台地球科學及地質學

cecilia

2016-04-13 10:33 am

回答 (1)

[匿名]

2016-04-13 4:39 pm

It will have a glassy texture or groundmass made of tiny particles.
It may have vesicles.

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