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Feldspars are a group of common rock forming mineralsthat can appear in all rock types. The term 'extrusive' is usually used to describe an igneous rock that has formed on or near the surface.

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Is feldspar extrusive or intrusive?

Feldspar can be found in both extrusive and intrusive igneous rocks. In extrusive rocks, feldspar forms when magma cools and solidifies quickly on the Earth's surface. In intrusive rocks, feldspar forms as magma cools and solidifies slowly beneath the Earth's surface.


Is feldspar metamorphic igneous or sedimentary?

Feldspar is primarily an igneous rock-forming mineral, commonly found in intrusive and extrusive igneous rocks such as granite and basalt. However, feldspar can also be present in some metamorphic rocks as a result of the recrystallization of pre-existing feldspar minerals during metamorphic processes.


Which intrusive and extrusive rocks have the same chemical composition?

Intrusive: Extrusive Equivalent Granite: Rhyolite Diorite: Andesite Gabbro: Basalt


Is basalt a rock or mineral?

Basalt is a type of rock, specifically an extrusive igneous rock that forms from solidified lava flows. It is composed mainly of minerals such as feldspar and pyroxene.


Compare the mineral composition of diorite with the mineral composition of andesite?

Both andesite and diorite are igneous rocks with an intermediate color index. Diorite; however, is intrusive and phaneritic, whereas andesite is aphanitic and extrusive. Andesite is said to be the extrusive equivalent of diorite. Diorite is made up of plagioclase feldspar and ferromagnesian mineral crystals, mainly amphibole. Contrarily, andesite may resemble rhyolite, meaning it presents a need for microscopic examination to see its mineral crystals. The two have a composition of plagioclase feldspar and amphibole, but it is much more difficult to detect in andesite.

Related Questions

Is feldspar extrusive or intrusive?

Feldspar can be found in both extrusive and intrusive igneous rocks. In extrusive rocks, feldspar forms when magma cools and solidifies quickly on the Earth's surface. In intrusive rocks, feldspar forms as magma cools and solidifies slowly beneath the Earth's surface.


Is feldspar metamorphic igneous or sedimentary?

Feldspar is primarily an igneous rock-forming mineral, commonly found in intrusive and extrusive igneous rocks such as granite and basalt. However, feldspar can also be present in some metamorphic rocks as a result of the recrystallization of pre-existing feldspar minerals during metamorphic processes.


Which the following is a fine grained light colored extrusive igneous rock?

fine grained extrusive rocks can contain Potassium and Plagioclase Feldspar, Quartz, Biotite, Amphibole, Pyroxene and Olivine. these are all the choices for every igneous rocks


Which intrusive and extrusive rocks have the same chemical composition?

Intrusive: Extrusive Equivalent Granite: Rhyolite Diorite: Andesite Gabbro: Basalt


Is basalt a rock or mineral?

Basalt is a type of rock, specifically an extrusive igneous rock that forms from solidified lava flows. It is composed mainly of minerals such as feldspar and pyroxene.


Compare the mineral composition of diorite with the mineral composition of andesite?

Both andesite and diorite are igneous rocks with an intermediate color index. Diorite; however, is intrusive and phaneritic, whereas andesite is aphanitic and extrusive. Andesite is said to be the extrusive equivalent of diorite. Diorite is made up of plagioclase feldspar and ferromagnesian mineral crystals, mainly amphibole. Contrarily, andesite may resemble rhyolite, meaning it presents a need for microscopic examination to see its mineral crystals. The two have a composition of plagioclase feldspar and amphibole, but it is much more difficult to detect in andesite.


Is diorite intrusive or extrusive?

Diorite is an intrusive igneous rock, formed from the cooling and solidification of magma beneath the Earth's surface. It contains a mix of minerals such as plagioclase feldspar, biotite, hornblende, and pyroxene.


Is feldspar a rock or mineral?

Feldspar is the name of a group of rock-forming minerals which make up as much as 60% of the Earth's crust. Feldspars crystallize from magma in both intrusive and extrusive rocks, and they can also occur as compact minerals, as veins, and are also present in many types of


What is the difference between gabbro and basalt?

Gabbro is a coarse-grained, intrusive igneous rock composed mainly of calcium-rich plagioclase feldspar, pyroxene, and sometimes olivine. Basalt, on the other hand, is a fine-grained, extrusive igneous rock composed mainly of plagioclase feldspar and pyroxene. Basalt is typically found on the Earth's surface, while gabbro is usually found beneath the surface as intrusive rock formations.


Is pumice an extrusive rock?

Extrusive


Are crystals intrusive or extrusive?

extrusive


Is Obsidian an extrusive rock or intrusive rock?

Yes it is extrusive love yall