Bulk Chemical Composition Of Basalt Versus Granite

Earth contains three kinds of rocks namely igneous rocks sedimentary rocks and metamorphic rocks.

Bulk chemical composition of basalt versus granite.

To this end we present. Chemical variation modal composition and classification of granitoids bernard bonin1 vojtěch janoušek2 3 jean françois moyen4 1 umr8148 geops université paris sud cnrs université paris saclay f 91405 orsay. You can also know more about granite and basalt reserves. Composition average chemical composition of basalt determined by 3594 chemical analyses of basaltic rocks 2 numbers are mass percents recalculated volatile free to total 100.

Basalt is basic and contains a substantial amount of olivine whereas granite is. 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. Chemical and isotopic systematics of oceanic basalts. Granite is lighter in color than basalt.

Porosity and density this range of densities can also be attributed to a rock s porosity the amount of open space between mineral grains. Granite is a felsic rock meaning that it has a high silicon content. Implications for mantle composition and processes january 1989 geological society london special publications 42 1. Basalt as a mafic rock contains more calcium oxide manganese oxide and iron compounds than granite.

Granite is an intrusive igneous rock with a felsic composition. It is mostly made out of quartz mica and feldspar. Furthermore many of the continental rock formations are. The color of the rocks is dependent on the mineral composition of the rock.

Granite vs basalt information earth s outer layer is covered by rocks and these rocks have different physical and chemical properties. Sio 2 49 97 tio 2 1 87 al 2 o 3 15 99. Granite for example can have a quartz content anywhere between 20 and 60.