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Related articles:
Igneous rock
Basalt
Andesite
Pumice
Felsic
Rhyolite
Gabbro
Granite
Key terms: rocks lava form often crystals matrix cool green minerals glassy stage volcanic rocks texture igneous common silica phenocrysts vesicular structure crystalline augite filled basalt liquid rhyolite larger surface rapidly content olivine geology surrounded presence eruption corroded composition explosive substance pyroclastic finely crystalline perfect crystalline Search external links cited by footnotes on Wikipedia page Volcanic rock: |
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