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What are types of volcanic rock?
Volcanic rocks are extrusive igneous rocks.
What is category of igneous extrusive rock?
Some igneous extrusive rocks include obsidian, basalt, andesite, rhyolite, scoria, pumice, basaltic glass. If you want more, go to page 6 on the Earth Science Reference Tables at the related link.
What are igneous rocks that form on lava?
Extrusive igneous rock, like basalt and rhyolite.
What example of a extrusive igneous rock is?
coal
What is the difference between igneous rock that cools above and igneous rock that cools below ground?
That depends on where it cools. Igneous rock forms from magma or lava (there's a difference!) cools and hardens. Extrusive igneous rock forms above the earth's crust, like when the lava from a volcanic eruption hardens. Intrusive igneous rock cools inside the earth when conditions change and the area around the magma cools allowing the magma to cool.
Is rhyolite a metamorphic rock?
No. Rhyolite is an extrusive igneous rock.
How is rhyolite categorized?
Rhyolite is a felsic extrusive igneous rock.
Is Rhyolite Porphyry an intrusive or extrusive rock?
Rhyolite Porphyry is an intrusive rock, formed from the slow cooling of magma underground. It is characterized by large crystals (phenocrysts) surrounded by a fine-grained matrix.
What kind of rock is formed after a volcano erupts?
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
Is rhyolite a igneous rock or metamorphic rock?
it is Igneous.actually it is the extrusive counterpart of Granite
What is an example of an extrusive igneous rock?
An example of an extrusive igneous rock is basalt. Basalt forms from the rapid cooling of lava on the Earth's surface and is commonly found in volcanic areas. It has a fine-grained texture due to its quick cooling process.
Is rhyolite monomineralic or polymineralic?
polymineralic igneous rock!
Rhyolite is an example of a?
A rhyolite volcano is a volcano that erupts rhyolitic lava or pyroclasitc material. Rhyolite is an igneous rock formed from the eruption of extremely viscous silica rich material. Eruptions involving rhyolite can be extremely large and violent. In some cases, however, rhyolite can build into lava domes or form thick, extremely slow lava flows.
The extrusive counterpart of granite?
The extrusive chemical equivalent of intrusive granite is rhyolite.
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.
What are types of volcanic rock?
Volcanic rocks are extrusive igneous rocks.
What is the classification of rhyolite?
Felsic extrusive igneous rock. It is the volcanic equivalent of granite.
