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lab test 2 igneous
igneous rocks
8
Geology
Undergraduate 2
10/26/2009
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Term
[image]
 Definition

andesite

... porphyritic and extrusive
Term
[image]
 Definition
basalt
Term
[image]
 Definition

diorite

(more dark than light)
Term
[image]
 Definition
gabbro
Term
[image]
 Definition

obsidian

 

(glossy)
Term
[image]
 Definition

pumice

(frothy)
Term
[image]
 Definition
rhyolite
Term
[image]
 Definition

scoria

(vesicular)
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