Igneous Rock Classification 2.0 / 5 based on 1 rating ? GeologyASWJEC Created by: Chris MurrayCreated on: 29-04-13 14:37 Acid Rock with Volcanic grain size (<0.5mm) Rhyolite 1 of 6 Basic/Mafic Rock with Volcanic grain size (<0.5mm) Basalt 2 of 6 Acid Rock with Intermediate grain size (0.5-2mm) Microgranite 3 of 6 Basic/Mafic Rock with Intermediate grain size (0.5-2mm) Dolerite 4 of 6 Basic/Mafic Rock with plutonic grain size (>2mm) Gabbro 5 of 6 Acid Rock with plutonic grain size (>2mm) Granite 6 of 6
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