What Does Granitic Lava Mean

Granitic lava flows called rhyolitic when they form at the surface are rare and do not cover much ground.

What does granitic lava mean.

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. 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. 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.

Information and translations of granitic in the most comprehensive dictionary definitions resource on the web. The thick granitic lava that forms rhyolite often cools quickly while pockets of gas are still trapped inside of the lava. Granitic or rhyolitic lava has a much higher silica content than basaltic 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. Strictly speaking granite is an. A lava butte is generally basaltic lava. 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.

Does paricutin have basaltic lava or granitic 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 lava also known as rhyolitic lava is lava that contains 20 percent more silica also called quartz than basaltic lava the most common. 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 mean.