Granite occurs as relatively small, less than 100 km2 stock-like masses and as large batholiths often associated with orogenic mountain ranges and is frequently of great extent. Small dikes of granitic composition called aplites are associated with granite margins.
|Occurrence of granite|. Granite occurs as relatively small, less than 100 km2 stock-like masses and as large batholiths often associated with orogenic mountain ranges and is frequently of great extent. Small dikes of granitic composition called aplites are associated with granite margins. A rock consisting of equal proportions of orthoclase and plagioclase plus quartz may be considered a quartz monzonite. A granite containing both muscovite and biotite micas is called a binary granite. Granite is a common and widely-occurring group of intrusive felsic igneous rocks. It consosits of orthoclase and plagioclase feldspars, quartz, hornblende, biotite, muscovite and minor accessory minerals, like magnetite, garnet, zircon and apatite. Ordinary granite always contains a small amount of plagioclase.  GRANITE ROCKS. Granite is a common and widely-occurring group of intrusive felsic igneous rocks that forms at great depths and pressures under continents. Granite consists of orthoclase, plagioclase quartz, hornblende, biotite, muscovite and minor accessories such as magnetite, garnet, zircon and apatite minerals. Rarely a pyroxene is present. Ordinary granite always carries a small amount of plagioclase, but when this is absent the rock is referred to as alkali granite. Granite is a common and widely-occurring group of intrusive felsic igneous rocks that form at great depths and pressures under continents. Granite consists of orthoclase and plagioclase feldspars, quartz, hornblende, biotite, muscovite and minor accessory minerals such as magnetite, garnet, zircon and apatite. Rarely, a pyroxene is present. Granite. Granite is a crystalline igneous rock that consists largely of feldspar and quartz. These two are the most common minerals in the crust which means that granite too is among the most ubiquitous rock types, especially in the upper continental crust. Although granite is indeed very widespread, not every rock that is named so is a true granite. Granite differs from granodiorite in that at least 35% of the feldspar in granite is alkali feldspar as opposed to plagioclase; it is the potassium feldspar that gives many granites a distinctive pink color. The extrusive igneous rock equivalent of granite is rhyolite. Granites can be predominantly white, pink, or gray in color, depending on their mineralogy. The word granite comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a holocrystalline rock. Plagioclase is the most common mineral in igneous rocks. The illustration to the left shows a large chalky white grain of plagioclase. The chalky appearance is a result of weathering of plagioclase to clay and this can often be used to aid in identification. Muscovite is not a common mineral in igneous rocks, but rather an accessory that occurs in small amounts. It is shiny and silvery, but oxidizes to look almost golden. In fact, more prospectors probably confused muscovite in their pans for gold than they did pyrite (fool's gold). One of the most common igneous rocks is granite (Figure 4.9). Granite is used extensively in building materials and making statues. Perhaps you have used a pumice stone to smooth your skin or to do jobs around the house. Pumice is another example of an igneous rock (Figure 4.10). Because such slow cooling allows time for large crystals to form, intrusive igneous rock has relatively large mineral crystals that are easy to see. Granite is the most common intrusive igneous rock (Figure 4.12). Granite is a common and widely-occurring group of intrusive felsic igneous rocks that form at great depths and pressures under continents. Granite consists of orthoclase and plagioclase feldspars, quartz, hornblende, biotite, muscovite and minor accessory minerals such as magnetite, garnet, zircon and apatite. Rarely, a pyroxene is present. A rock consisting of equal proportions of orthoclase and plagioclase plus quartz may be considered a quartz monzonite. A granite containing both muscovite and biotite micas is called a binary granite. Granite /ˈɡraenɨt/ ˈɡrænɨt is a common type of felsic intrusive igneous rock that is granular and phaneritic in. Texture granites can be predominantly, white, pink or gray in, color depending on their. mineralogy Granites can be predominantly white, pink, or gray in color, depending on their mineralogy. The word granite comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a holocrystalline rock.
http://www.graniteland.com/infos/home/granite http://www.mineralszone.com/minerals/granite.html http://www.acropolismarble.com/about_granite.htm http://www.vgranite.com/why-granite.php http://www.sandatlas.org/granite/ https://en.wikipedia.org/wiki/Granite http://faculty.chemeketa.edu/afrank1/rocks/igneous/igmin.htm https://en.wikibooks.org/wiki/High_School_Earth_Science/Igneous_Rocks http://www.graniteland.com/infos/home/granite https://en.wikipedia.org/wiki/Granite
what is common occurrence for granite