Alkali feldspar granite, some varieties of which are called 'red granite', [1] is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar (K-spar). It is a dense rock with a …

Alkali Feldspar Granite Granite is a medium-tocoarse-grained acid igneous rock with essential quartz (>20%) and feldspar, where alkali feldspar constitutes between 100 and 35% of the …

Granite (/ ˈ ɡ r æ n ɪ t / GRAN-it) is a coarse-grained intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and …

Alkali feldspars are fundamental rock-forming K- and Na-bearing aluminosilicates that occur in many igneous, metamorphic, and sedimentary rocks, and constitute a significant portion of the …

Alkali feldspar granites are the alkali feldspar-rich end.member of granites. They are felsic plutonic igneous rocks consisting essentially of quartz (20-60% of the felsic minerals) and alkali …

Granite is a medium-tocoarse-grained acid igneous rock with essential quartz (>20%) and feldspar, where alkali feldspar constitutes between 100 and 35% of the feldspars, and minor …

Alkali-feldspar-granite: Mineral information, data and localities. This page is currently not sponsored. Click here to sponsor this page. A light-coloured granitoid (a coarse grained …

Granite is classified according to the QAPF diagram for coarse grained plutonic rocks and is named according to the percentage of quartz, alkali feldspar (orthoclase, sanidine, or …

2015年9月1日 · Quartz, feldspar and biotite are the major minerals in the alkali-feldspar granite and the albite granite. All the feldspars from the two types of granites are depleted in CaO, and …

Alkali feldspar granite, also known as red granite, is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar. Alkali Feldspar Granite is available in black, grey, orange, …