Why basalt forms many stomata?
When the steep slope is encountered, the speed is greatly accelerated, and it carries a large amount of water vapor and bubbles during the flow, and after cooling it forms a shape that forms a variety of variations in the pores.
Magma contains a lot of gas, when the magma sprayed the surface, due to the rapid decline in temperature, the magma internal gas has not completely overflow before the rapid cooling, so there are many pores.
Volcanic eruption out of the magma temperature up to 12.2 degrees Celsius, due to a certain viscosity, in the gentle terrain, the magma flow is very slow, only a few meters per minute flow;
