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The extrusive counterpart of granite?
The extrusive chemical equivalent of intrusive granite is rhyolite.
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.
Is rhyolite a igneous rock or metamorphic rock?
it is Igneous.actually it is the extrusive counterpart of Granite
Which of the six major kinds of rock are intrusive and which are extrusive?
Intrusive rocks are formed beneath the Earth's surface and include granite, diorite, and gabbro. Extrusive rocks, on the other hand, are formed on the Earth's surface and include basalt, andesite, and rhyolite.
Is Felsic a Intrusive or Extrusive Rock?
Felsic rocks can be either intrusive or extrusive. Intrusive felsic rocks form underground when magma cools and solidifies slowly, creating large crystals. Extrusive felsic rocks form at the Earth's surface when volcanic lava cools quickly, resulting in fine-grained rocks like rhyolite.
Do diorite and rhyolite have the same chemical composition?
No, diorite and rhyolite have different chemical compositions. Diorite is a coarse-grained intrusive igneous rock composed mainly of plagioclase feldspar and amphibole, while rhyolite is a fine-grained volcanic rock composed predominantly of quartz, feldspar, and mica.
What is the difference between rhyolite and granite?
Rhyolite is a fine-grained, extrusive igneous rock with high silica content, while granite is a coarse-grained, intrusive igneous rock also rich in silica but with larger crystals. Rhyolite forms from cooled lava flows on the Earth's surface, while granite forms from slowly cooling magma beneath the surface.
Which is older granite or rhyolite?
Granite is typically older than rhyolite. Granite is an intrusive igneous rock that forms underground from the slow cooling of magma, while rhyolite is an extrusive igneous rock that forms on the surface from the rapid cooling of lava. Therefore, granite generally predates rhyolite in terms of when it was formed.
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.
Which are igneous rocks?
== == Igneous rocks have formed from molten material either above (extrusive) or below (intrusive) ground level. Extrusive igneous rocks include obsidian, basalt, and rhyolite; intrusive igneous rocks include gabbro and granite.
Why is the texture of rhyolite different from the texture of granite?
Granite is an intrusive rock while rhyolite is an extrusive rock.** Intrusive rocks are rocks that are formed BELOW the earth's surface.Extrusive rocks are rocks that are formed ON the earth's surface.
Compare the following specimen pairs graniterhyoliteandesitedioriteand basaltgabbro. are there differences in composition between the rocks in each pair?
Yes, there are differences in composition between the rocks in each pair. Granite and rhyolite are both high in silica and primarily composed of quartz and feldspar, but granite is intrusive (cooled slowly underground) while rhyolite is extrusive (cooled quickly on the surface). Andesite and diorite, on the other hand, have intermediate silica content and are characterized by the presence of plagioclase feldspar, with diorite being intrusive and andesite being extrusive. Lastly, basalt and gabbro are both low in silica, with basalt being the extrusive counterpart of gabbro, which is intrusive; basalt is rich in pyroxene and olivine, while gabbro has a similar mineral composition but forms larger crystals due to slower cooling.
