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| Questão | Responda |
| Metamorphic rock = | Rock that has been changed by natural agencies. Began as igneous/sedimentary rock but altered by heat or pressure. |
| Formation | Contact with cooling igneous rocks intruding, or at edges of tectonic plates where v. high pressures/temperatures occur, as fold mountains are being formed - land being disturbed. THEY DO NOT MELT. |
| Examples | Clay --> slate limestone --> marble |
| Characteristics | Sometimes flake into layers. May be shiny and hard. Happens along destructive plate boundaries & fault lines. Regularly aligned crystals. |
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