Question
Obsidian, Andesite, Gabbro and Perodite are :
Answer: Option E
Answer: (e)
Igneous rocks are formed from the solidification of molten rock material.
There are two basic types:
Intrusive igneous rocks such as diorite, gabbro, granite, peridotite and pegmatite that solidify below Earth's surface; and
Extrusive igneous rocks such as andesite, basalt, obsidian, pumice, rhyolite and scoria solidify on or above Earth's surface.
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Answer: (e)
Igneous rocks are formed from the solidification of molten rock material.
There are two basic types:
Intrusive igneous rocks such as diorite, gabbro, granite, peridotite and pegmatite that solidify below Earth's surface; and
Extrusive igneous rocks such as andesite, basalt, obsidian, pumice, rhyolite and scoria solidify on or above Earth's surface.
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