Rocks and minerals How rocks are formed 2.0 / 5 based on 2 ratings ? Environmental Science/StudiesASAll boards Created by: PhoebeCreated on: 06-05-12 17:50 How is coal formed? Sedimentary biological 1 of 5 How is Halite (sodium chloride salt) formed? Sedimentary evaporite 2 of 5 How is slate formed? Metamorphic 3 of 5 How is hydrothermal copper ore formed? Igneous 4 of 5 How is gravel formed? Sedimentary alluvial/placer 5 of 5
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