trezor.io
Rate this file (Rating : 5 / 5 with 1 votes)
volcanoes around the world
trezor.io

Volcanoes Around The World

+ Melting of subducted slab containing sediments
+ Magma mixing between felsic rhyolitic and mafic basaltic magmas in an intermediate reservoir prior to emplacement or lava flow.
- If the erupted magma contains <52% and >45% silica, the lava is called mafic (because it contains higher percentages of magnesium (Mg) and iron (Fe)) or basaltic. These lavas are usually much less viscous than rhyolitic lavas, depending on their eruption temperature; they also tend to be hotter than felsic lavas. Mafic lavas occur in a wide range of settings:
+ At mid-ocean ridges, where two oceanic plates are pulling apart, basaltic lava erupts as pillows to fill the gap;

File information
Filename:396767.jpg
Album name:World & Travel
Rating (1 votes):55555
Keywords:#volcanoes #around #world
Filesize:37 KiB
Date added:Jul 13, 2011
Dimensions:700 x 466 pixels
Displayed:57 times
URL:displayimage.php?pid=396767
Favorites:Add to Favorites