Bulk Chemical Composition Of Basalt Versus Granite

Chemical and isotopic systematics of oceanic basalts.

Bulk chemical composition of basalt versus granite.

Sio 2 49 97 tio 2 1 87 al 2 o 3 15 99. As two rocks are not same it s fun to compare them. As the chemical composition of earth s mantle plays a critical role in a number of geochemical and geophysical models it is important to establish a composition model with its uncertainty firmly quantified. Furthermore many of the continental rock formations are.

Granite makes up the cores of continents and much of the bulk of major mountain ranges around the world. 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. Granite for example can have a quartz content anywhere between 20 and 60.

Granite is a felsic rock meaning that it has a high silicon content. Earth contains three kinds of rocks namely igneous rocks sedimentary rocks and metamorphic rocks. Granite is lighter in color than basalt. Basalt as a mafic rock contains more calcium oxide manganese oxide and iron compounds than granite.

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. Granite is an intrusive igneous rock with a felsic composition. Granite vs basalt information earth s outer layer is covered by rocks and these rocks have different physical and chemical properties. It is mostly made out of quartz mica and feldspar.

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. Basalt is basic and contains a substantial amount of olivine whereas granite is. Porosity and density this range of densities can also be attributed to a rock s porosity the amount of open space between mineral grains.