Geological Classification of Rocks

On the basis of geological occurrence, rocks are classified into three categories: Sedimentary Rocks Igneous Rocks Metamorphic Rocks Sedimentary Rocks Rocks formed due to deposition of minerals one over another due to action of water, wind, and other natural agents is called sedimentary rocks. Sandstone Limestone Shale Claystone Conglomerate Dolomite Igneous Rocks Rocks formed due to volcanic action when magma or lava cools down and solidifies is called igneous rocks There are two types of igneous rocks: Plutonic Rocks Igneous

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