Are caused by the pressure of leading figures in the lithosphere? Cause a crack in the solid rock layers. When the temperatures of coming down to the crust becomes a Rift Valley groundwater.
Is caused by the pressure of magma in the lithosphere. Cause cracks in the solid rock. When the temperature of the magma in the upper crust sank down into a valley collapsed.
Because of the pressure of the magazine in the earth floor. Cause cracks in the rock solid. When the temperature of the magma tectonic subsidence decreased upper become astronomical observatories.