ParkGuide
Lava flow
2011-09-19

  Erupted from craters and cracks, lava flows along the earth’s surface in a liquid state, and its scope varies with the gradient and the viscosity of magma. The lava flow is in long and narrow band shape, or in broad and flat tongue shape. The acidic lava is sticky, with short flow distance, and even clogged in the craters. When lava cools and condenses, or the gas is exhausted and frothy, its viscosity increases with little movement. The solidified lava is of special forms on the surface, in which, ropy and blocky lava on land and pillow-shaped lava in the water are the most common.

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