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They cooled too quickly for crystals to form.
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∙ 13y ago
Idontknowwhatimdoing
doo doo buttholecrack/crease
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How is granite different from scoria pumice and obsidian?
granite is extrusive rock
Pumice obsidian and scoria are kinds of?
These are all formed by volcanic activity. Igneous
What are some names of extrusive igneous rocks?
== == Rhyolite, basalt, pumice, obsidian, andesite, dacite, tuff, welded tuff, scoria.
What is lava used for?
Lava itself is not 'used', but solidified lava has many uses. Scoria can be used as decorative stone, and pumice can be used as an abrasive. Obsidian is used in jewelry.
What are some different types of lava rocks?
there are many types of rocks created by lava including: basalt, andesite, rhyolite, obsidian, tuff, pumice, cinder, and scoria.
How is granite different from scoria pumice and obsidian?
granite is extrusive rock
What are some exaples of igneuos rocks?
basalt, granite, rhyolite, andesite, gabbro, obsidian, scoria, pumice.
Pumice obsidian and scoria are kinds of?
These are all formed by volcanic activity. Igneous
What are some extrusive of igneous rocks?
== == Rhyolite, basalt, pumice, obsidian, andesite, dacite, tuff, welded tuff, scoria.
What are some names of extrusive igneous rocks?
== == Rhyolite, basalt, pumice, obsidian, andesite, dacite, tuff, welded tuff, scoria.
Is sandstone a scoria granite or pumice?
None of those. Scoria, Pumice and Granite are igneous rocks. Sandstone is sedimentary.
Will scoria float or sink in water?
scoria will sink but pumice will float.
What is an example of an extrusive igneous rock?
Basalt and rhyolite are examples of extrusive igneous rocks. Also, pumice, scoria, obsidian, tuff, ignimbrite,....
Igneous rocks that cool quickly on earth surface are?
Extrusive igneous rocks, like basalt, pumice, scoria, obsidian, and rhyolite.
What are some different types of lava rocks?
there are many types of rocks created by lava including: basalt, andesite, rhyolite, obsidian, tuff, pumice, cinder, and scoria.
What is lava used for?
Lava itself is not 'used', but solidified lava has many uses. Scoria can be used as decorative stone, and pumice can be used as an abrasive. Obsidian is used in jewelry.
Are Scoria and Pumice pyroclastic rocks?
yes
