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Obsidian and granite are both igneous rocks. Obsidian is of extrusive origin (which means the magma cooled quickly) and has a glassy texture. Granite is of intrusive origin (which means the magma cooled slowly) and is phaneritic, or coarse grained.y
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∙ 11y ago
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∙ 13y agoGranite and obsidian are similar in composition.
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∙ 15y agoBoth are formed from the cooling of molten material.
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∙ 14y agoboth are created by volcanic processes
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∙ 15y agoCOMPOSITION
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Can Obsidian turn into Granite?
Obsidian and Granite are both igneous rocks so unless the Obsidian rock goes back into the magma and cools slower it can possibly form into granite.
What family is obsidian in?
Obsidian is part of the Granite family of igneous rocks.
What volcano does obsidian come from?
Obsidian is a felsic glass. At depth, it will crystallize to form granite. On the other hand it turns into perlite on reacting with water. At high grade it recrystallizes to form felsic glass.
Name 4 kinds of igneous rocks?
Examples of igneous rocks are pumice, obsidian, basalt, and rhyolite.
What categories is granite pumice obsidian limestone sandstone marble in?
any categorie ehydude
How does granite form into Obsidian?
Granite cools slow. Obsidian cools fast, so faster than granite.
How are granite and obsidian are different?
Granite is a rock, whereas obsidian is a type of glass formed by cooling lava.
Can Obsidian turn into Granite?
Obsidian and Granite are both igneous rocks so unless the Obsidian rock goes back into the magma and cools slower it can possibly form into granite.
What family is obsidian in?
Obsidian is part of the Granite family of igneous rocks.
How is granite different from scoria pumice and obsidian?
granite is extrusive rock
Which rock has large mineral grains granite obsidian basalt or pumice?
Granite
What are the examples of ingeous rocks?
Obsidian, Granite, and i believe slate
What does granite obsidian and pumice share?
They are all Igneous rocks.
What type of rocks are pumice obsidian and granite?
Igneous rocks
What volcano does obsidian come from?
Obsidian is a felsic glass. At depth, it will crystallize to form granite. On the other hand it turns into perlite on reacting with water. At high grade it recrystallizes to form felsic glass.
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
What geological process is at work when obsidian or granite turns into sandstone or shale?
Compaction
