Andesite
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| Did you know | It is a fine-grained igneous rock that forms when the magma erupts onto the surface and then crystalizes quickly. |
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| ID | 1354240 |
About Andesite
Andesite is an extrusive igneous, volcanic rock, of intermediate composition, with aphanitic to porphyritic texture. In a general sense, it is the intermediate type between basalt and rhyolite, and ranges from 57 to 63% silicon dioxide as illustrated in TAS diagrams.
Andesite Photos
