Bulk Chemical Composition Of Basalt Versus Granite

Granite is an intrusive igneous rock with a felsic composition.

Bulk chemical composition of basalt versus granite.

Implications for mantle composition and processes january 1989 geological society london special publications 42 1. Granite is lighter in color than basalt. Basalt is basic and contains a substantial amount of olivine whereas granite is. 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 for example can have a quartz content anywhere between 20 and 60. Basalt as a mafic rock contains more calcium oxide manganese oxide and iron compounds than granite. To this end we present. Granite makes up the cores of continents and much of the bulk of major mountain ranges around the world.

It is mostly made out of quartz mica and feldspar. Sio 2 49 97 tio 2 1 87 al 2 o 3 15 99. 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.

Furthermore many of the continental rock formations are. As two rocks are not same it s fun to compare them. The color of the rocks is dependent on the mineral composition of the rock. You can also know more about granite and basalt reserves.

Earth contains three kinds of rocks namely igneous rocks sedimentary rocks and metamorphic rocks. 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. Porosity and density this range of densities can also be attributed to a rock s porosity the amount of open space between mineral grains.