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Stack #4585221
| Question | Answer |
|---|---|
| A hot water or steam solution that circulates through rock underground. | hydrothermal fluid |
| Change in the mineral assemblage in wall rock due to heating by an igneous intrusion; also called thermal metamorphism. | contact metamorphism |
| Metamorphism over a broad region, generally due to deep burial and deformation of rock during mountain building; also called dynamothermal metamorphism. | regional metamorphism |
| The process by which one kind of rock is transformed into a different kind of rock by an increase in temperature and/or pressure, by shearing under elevated temperatures, or by reaction with chemically active fluids. | metamorphism |
| The original rock from which a metamorphic rock formed. | protolith |