What is the major source of heat for contact metamorphism?

deep burial and heat from the earth's interior

heat from grinding and shearing on faults

heat from the spontaneous decomposition of micas and feldspars

heat from a nearby magma body

Ifound this on google “solar system formation. scientists believe that the solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the explosion of a nearby star (called a supernova). this explosion made waves in space which squeezed the cloud of gas and dust.” i hope this you for what your looking for.

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