granite basalt limestone felspar

  • ROCKS and how to identify them.ppt.arizona.edu

    GRANITE is a coarse to medium- grained rock that forms from the cooling of magma deep within the Earth (intrusive). It is made up mainly of varying amounts of the minerals: quartz, orthoclase, muscovite, biotite and hornblende. granum, for "grains".

  • Difference Between Basalt and Granite l Basalt vs Granite

    Aug 14, 2011 · The key difference between basalt and granite is that basalt is mostly occurring on ocean floors, while granite is in the crust of the earth in all continents. Earth contains three kinds of rocks namely igneous rocks, sedimentary rocks, and metamorphic rocks. Basalt and granite are two types of igneous rocks. All rocks of igneous origin consist of magma or molten earth that finds its way up to ...