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In geology rock is a naturally occurring solid aggregate of one or more minerals or mineraloids. The common rock granite is a combination of the quartz, feldspar and biotite minerals. There are three major groups of rocks: Igneous rocks, Sedimentary rocks and Metamorphic rocks. Petrography is a rock identification process, which uses concise, accurate descriptions of physical characterstics of rocks.
Related Journals of Geological Rock
Geography & Natural Disasters, International Journal of Rock Mechanics and Minings Sciences, Rock Art Research, Soils and Rocks, Rock Mechanics and Rock Engineering, Rock Mechanics and Geotechnical Engineering