it rises toward Earth's surface because it is less dense than surrounding rock. As it rises, two changes 0ccur. First, it cools as enters shallower and cooler levels of Earth. Second, pressure drops because the weight of overlying rock ...
aI can't promise to smile always, because life always has a way to make me cry. . 因为生活总有一个方式做我啼声,我不可能许诺总微笑。 .[translate] aUpward pressure from underlying magma domes the surface 向上压力从部下的岩浆覆以圆顶表面[translate]...
Researchers now think hot and semi-molten rock is carried upward from 40 miles beneath the surface to the newly found reservoir and the chamber above it. Yellowstone, which spans parts of Wyoming, Montana and Idaho, is among the world's largest supervolcanoes, with frequent earthquakes. The ...
(2,200 °F) moves upward to depths of only a few kilometres, where it transfers heat by conduction togroundwater. The groundwater then circulates by convection and forms large underground reservoirs of hot water and steam. Some of this thermal water may escape to the surface ashot spring...