Sentences with phrase «hydrous phases»

As shallow earthquakes start, the temperature rises locally until it is hot enough to start a chemical reaction — usually the breakdown of clays or carbonates or other hydrous phases in the fault zone.

If the fault zone does not have hydrous phases or carbonates, the sudden heating that begins when sliding starts raises the local temperature on the fault all the way to the melting temperature of the rock.

Not exact matches

«The reason this does not happen often, that is, the reason we do not see lots of faults with glass on them, is that the Earth's crust is made up to a large degree of hydrous and carbonate phases, and even the rocks that don't have such phases usually have feldspars that get crushed up in the fault zone,» Green explained.