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Rhyolite is a rock type that is categorized by mineral composition. Scoria is a textural rock type. Like, Rhyolite can be smooth, or it can be scoria (sharper, bumpier, lots of vesicles).
Think of it as a rock adjective.
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Do granite and rhyolite have the same chemical composition?
They are roughly the same. If they are from the same source of magma, they could be nearly identical in chemical composition.
How do two igneous rocks have the same mineral composition but different textures?
The texture of an igneous rock refers to the size of its mineral crystals. If the common magma of both igneous rocks has experienced differences in cooling rates due to depth, they will have different textures. Slow cooling produces large crystals, and quick cooling produces small crystals. Granite and rhyolite are two igneous rocks sharing the same mineral composition, but having undergone different rates of magma cooling due to depth at solidification.
What rock has the same composition as granite?
Rhyolite is the extrusive equivalent in chemistry and density of granite.
Which intrusive and extrusive rocks have the same chemical composition?
Intrusive: Extrusive Equivalent Granite: Rhyolite Diorite: Andesite Gabbro: Basalt
Which igneous rock has the same chemical composition as basalt but a different grain size?
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Do diorite and rhyolite have the same chemical composition?
No. Diorite has the same composition as andesite while Rhyolite has the same composition as granite.
Is granite the plutonic equivalant of rhyolite?
Yes. Granite and Rhyolite have the same composition.
Are granite and rhyolite similar in a way?
Yes. Rhyolite and granite have the same composition. Rhyolite is the volcanic equivalent of granite.
Do granite and rhyolite have the same chemical composition?
They are roughly the same. If they are from the same source of magma, they could be nearly identical in chemical composition.
How do two igneous rocks have the same mineral composition but different textures?
The texture of an igneous rock refers to the size of its mineral crystals. If the common magma of both igneous rocks has experienced differences in cooling rates due to depth, they will have different textures. Slow cooling produces large crystals, and quick cooling produces small crystals. Granite and rhyolite are two igneous rocks sharing the same mineral composition, but having undergone different rates of magma cooling due to depth at solidification.
What rock has the same composition as granite?
Rhyolite is the extrusive equivalent in chemistry and density of granite.
Why different types of rock can contain the same minerals?
There are many rocks that share the same mineral constitution with another rock. An example would be rhyolite and granite. Mineralogically they can be equal in composition (even derived from the same magma), yet very different in texture, appearance and method of formation.
Are basaltic scoria and scoria the same thing?
Not necessarily. Most scoria is basaltic, but some can be andesitic.
Which intrusive and extrusive rocks have the same chemical composition?
Intrusive: Extrusive Equivalent Granite: Rhyolite Diorite: Andesite Gabbro: Basalt
What is one similarity between Granite and Rhyolite?
Both granite and rhyolite are felsic igneous rocks formed from very viscous silica rich magma. They have essentially the same composition. The difference between them is that granite cools slowly underground, forming large crystals while rhyolite cools rapidly above ground after a volcanic eruption forming small crystals or no crystals.
Why not is a piece of glass a mineral?
Glass doesn't have a crystalline structure, or a specific chemical composition, so it is not a mineral. Obsidian is not a mineral for the same reason.
Can a chemical composition of single mineral vary?
Yes, it can. Aluminum oxide, saphires or rubys are all the same mineral. Just with minor elemental differences.
