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Granite cools slow. Obsidian cools fast, so faster than granite.
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∙ 8y ago
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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
If granite within earth melts and then erupts at the surface what type of extrusive rock is likely to form?
A felsic extrusive igneous rock, such as rhyolite or obsidian.
What igneous rock has no visible crystals?
Granite is a coarse grained igneous rock without Pyroxene.
What is a glassy rock?
Obsidian is a naturally occurring volcanic form of glass.
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 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.
How are granite and obsidian are different?
Granite is a rock, whereas obsidian is a type of glass formed by cooling lava.
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
What is the same about granite and obsidian?
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
Which rock has large mineral grains granite obsidian basalt or pumice?
Granite
What type of rocks are pumice obsidian and granite?
Igneous rocks
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.
If granite within earth melts and then erupts at the surface what type of extrusive rock is likely to form?
A felsic extrusive igneous rock, such as rhyolite or obsidian.
If granite within the earth melts then erupts at the surface what type of extrusive rock is likely form?
A felsic extrusive igneous rock, such as rhyolite or obsidian.
