Study: Parts of the Sierra Nevada formed in a “geologic instant,” more than twice as fast as previously thought

October 12, 2020 – Although we can’t see it in action, the Earth is constantly churning out new land. This takes place at subduction zones, where tectonic plates crush against each other and in the process plow up chains of volcanos that magma can rise through. Some of this magma does not spew out, but […]