Hihihi

Geo Lecture 8: Volcanism & ampere; Volcanic Hazards Volcano reckoner architecture and gust style Magma whitethorn crystallize at insight in the Earth ( officious fer venthole rock) or squirt from a volcano as lava or pyroclastic debris (both volcanic igneous rock) Magma from a magma quiescency room reaches the surface all by means of a vertical chimney to the crater at the top, or through long cracks called fissures where the lava erupts from a vent along the flanks of the volcano. Eruptions from the crater argon called summit eruptions whereas eruptions along the flanks argon called flank eruptions or fissures eruptions. agreement of Magma source of the avatar and eruption style of volcanoes All magma ar different. They each pass on a distinctive chemical makeup, establish on their particular tectonic setting and their pathways upward toward the surface. The most pregnant chemical segment is the relative amount of ti dioxide (SiO2). Magmas are distinguished on the basis of their silicon dioxide (SiO2) content. *The constitute of a volcano and the objet dart of the lava or pyroclastic debris that is erupted is at present related to its silicon oxide content. Silica controls the viscosity of the magma deep down the chamber viscosity is simply a measure of a legatos immunity to f impression. (ex.

Water has clinical depression resistance, indeed low viscosity; honey has high resistance, thereof high viscosity). Magma rests of 1) the liquidity execute, 2) whatsoever solid crystals of minerals that might have formed from the melt as it cooled, and 3) abundant gases such as H20, CO2, SO2, and H2S. -up to 9% of a magmas composition may consist of gases -These gases are super important since they provide the gas wring that drives the explosive impression of volcanic eruptions. (The more gases trapped in the magma, the more puissant the say-so eruption.) -The high the viscosity, the greater the niggardness of trapped gases and thus the higher the potential exclusivity of eruption. 1) Low-silica magma the lower the silica content, the...If you want to occur a full essay, order it on our website: Ordercustompaper.com

If you want to get a full essay, wisit our page: write my paper