Broadly, metamorphism involves ________. a. the settling of crystals in a melt as it cools b. the sorting of grains by size, as accomplished by rivers and beach waves c. the cementation of loose...

Broadly, metamorphism involves ________. a. the settling of crystals in a melt as it cools b. the sorting of grains by size, as accomplished by rivers and beach waves c. the cementation of loose grains and the precipitation of new minerals into pore spaces d. changes in mineralogy and texture in response to heat and stress