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Marble is a metamorphic rock that forms from a __________ protolith? - ANSWERSlimestone Which of the following processes will cause metamorphism? - ANSWERSan increase in pressure, interaction with hydrothermal fluids, an increase in temperature (all) What is metasomatism - ANSWERSa change in the bulk composition of a rock during metamorphism Where does sea floor metamorphism take place? - ANSWERSin close proximity to mid-ocean spreading centers What is the relation between metamorphi...