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rhyolite
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Is rhyolite silica rich or silica poor?
Rhyolite is felsic and thus silica rich.
What has a higher density rhyolite or basalt?
basalt
Do basalt and rhyolite form magma?
No. Both basalt and rhyolite are formed from molten rock erupts from a volcano.
How is andesite different from rhyolite and basalt?
There are rocks that are extrusive (formed quickly on the surface of the earth) or intrusive (formed within the earth under slow cooling). Both types of extrusive or intrusive rocks can vary in composition from mafic (high iron and magnesium content) to silicic (less heavy ions like Fe and Mg, but with more of the lighter elements like Ca, Na, K, etc.). Extrusive rocks range from most mafic to less mafic as such: Basalt, Andesite, Rhyolite (and are all fine-grained b/c they cooled quickly). Intrusive rocks that cool more slowly and have larger crystals range from most mafic to less mafic as such: Gabbro, Diorite, Granite. Basalt and gabbro have a similar composition, just the crystal size differs from different cooling rates (same for rhyolite and granite).
Which igneous rock is an extrusive rock?
Basalt, Rhyolite, Obsidian and Andesite. There's many more but these are the main ones.
Which rock is most felsic out of rhyolite andesite and basalt?
Of these Rhyolite has the highest silica content.
Is rhyolite a basaltic composition?
No. Basalt is a low-silica igneous rock while rhyolite is high-silica. As far as volcanic rocks go, they are essentially opposites.
What has a more felsic composition rhyolite or basalt?
Rhyolite has a more felsic composition than basalt.
Which rock has more silica granite or basalt?
Granite has more silica than basalt in it.
What rock has more silica granite or basalt?
Granite is higher in silica than is basalt.
Is rhyolite silica rich or silica poor?
Rhyolite is felsic and thus silica rich.
Does rhyolite have a more mafic composition than basalt?
Rhyolite is not a mafic rock, but a felsic rock, high in silicates, and similar to granite in composition.
What has a higher density rhyolite or basalt?
basalt
Do basalt and rhyolite form magma?
No. Both basalt and rhyolite are formed from molten rock erupts from a volcano.
Which has a greater percentage of biotite in it rhyolite or basalt?
basalt
Which volcanic rock has the highest level of silicon dioxide rhyolite or basalt?
Rhyolite.
Which has a lighter color rhiolite or basalt?
rhyolite
