Sedimentary Rock (S), Metamorphic Rock (M), Igneous Rock (I), Heat and Pressure (S to M), Heat and Pressure (I to M), Compaction and Concretion, Weathering and Erosion (M to Sediments), Weathering and Erosion (I to Sediments), Lava and Magma, Sediments, Melting, Cooling and Hardening.

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