Lava is magma that has came from a volcano to the surface. It moves at a rate of a few kilometers per hour, and rates as high as 60 km per hour. It contains abundant iron, magnesium components. It can be as hot as 1,000 degress celcius and 1,2000 degrees celcius. It laters cools and hardens. Pahoehoe is freely flowing lava. Pillow lava is the hardened shaped lava.
Great pic! Where is this? My guess is Hawaii.
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