| NOUN | substance | metamorphic rock | rock altered by pressure / pressure and heat / heat |
|---|
| Meaning | rock altered by pressure / pressure and heat / heat. | |
|---|---|---|
| Narrower | amphibolite | A metamorphic rock composed chiefly of amphibole and plagioclase |
| gneiss | A laminated metamorphic rock similar to granite | |
| hornfels, hornstone | A fine-grained metamorphic rock formed by the action of heat on clay rocks | |
| marlite, marlstone | metamorphic rock with approximately the same composition as marl | |
| schist | Any metamorphic rock that can be split into thin layers | |
| Broader | rock, stone | material consisting of the aggregate of minerals like those making up the Earth's crust |
| Spanish | roca metamórfica | |
| Catalan | roca metamòrfica | |
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