What Does Granitic Lava Mean

First of all you should know the difference between lava and magma magma and lava are both molten liquid rock but magma is moltenrock produced underneath earth surface while it magma erupts on the surface of earth it is called lava. Granites can be predominantly white pink or gray in color depending on their mineralogy the word granite comes from the latin granum a grain in reference to the coarse grained structure of such a completely crystalline rock. Granitic or rhyolitic lava has a much higher silica content than basaltic lava.

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Granite ˈ ɡ r æ n ɪ t is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture.

What does granitic lava mean.

Granitic lava flows called rhyolitic when they form at the surface are rare and do not cover much ground. As the lava quickly cools the trapped gas is unable to escape and forms cavities known as vugs later when the lava flow has. Granite is composed mainly of quartz and feldspar with minor amounts of mica amphiboles and other minerals this mineral composition usually gives granite a red pink gray or white color with dark mineral. This makes granitic lava much more viscous and produces more clastic material and more violent eruptions.

Due in part to the lower temperature felsic magma is much more viscous than mafic magma meaning it is much thicker and more resistant to flowing. Granite is a light colored igneous rock with grains large enough to be visible with the unaided eye. A lava butte is generally basaltic lava. What does granitic mean.

Information and translations of granitic in the most comprehensive dictionary definitions resource on the web. Strictly speaking granite is an. The thick granitic lava that forms rhyolite often cools quickly while pockets of gas are still trapped inside of the lava. Granitic lava also known as rhyolitic lava is lava that contains 20 percent more silica also called quartz than basaltic lava the most common.

Although basaltic magma can result in basaltic rocks and granitic magma can result in granitic rocks they can also form other rocks depending on how quickly the magma cools. Granite definition a coarse grained igneous rock composed chiefly of orthoclase and albite feldspars and of quartz usually with lesser amounts of one or more other minerals as mica hornblende or augite. Does paricutin have basaltic lava or granitic lava. Eruptions of granitic lava usually entail a composite cone volcano which produces both lava and pyroclastic material while.

It forms from the slow crystallization of magma below earth s surface.

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