The definition of granite varies a geologist might define granite as a coarse grained quartz and feldspar bearing igneous rock that is made up entirely of crystals.
What is basalt and granite used for.
Crushed basalt is used for road base concrete aggregate asphalt pavement aggregate railroad ballast filter stone in drain fields and may other purposes.
The molten rocks that come out in the form of lava upon cooling take the shape of igneous rocks.
It is common both on earth and other planetary bodies.
All rocks of igneous origin consist of magma or molten earth that finds its way up to the surface of the earth from fissures and cracks underneath the surface of the earth.
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Basalts may be broadly classified on a chemical and petrographic basis into two main groups.
Basalt is also cut into dimension stone.
The tholeiitic and the alkali basalts.
As it turns out most of the ocean floor is basalt and most of the continents are granite.
Learn more about basalt in this article.
Granite is an igneous plutonic rock which is.
However in the dimension stone trade the word granite is used for any feldspar bearing rock with interlocking crystals that are large enough to be seen with the unaided eye.
Basalt extrusive igneous volcanic rock that is low in silica content dark in color and comparatively rich in iron and magnesium.
Apart from insulation basalt is also used to make worktops fireplaces wall panels etc and also for interior decoration.
Its three main minerals are feldspar quartz and mica which occur as silvery muscovite or dark biotite or both.
Its principle minerals include pyroxene feldspar and olivine.
Basalt and granite are two types of igneous rocks.
Granite has long been renowned for its natural simplistic and subtle elegance.
Commercial uses of basalt.
Thin slabs of basalt are cut and sometimes polished for use as floor tiles building veneer monuments and other stone objects.
Basalt is an igneous volcanic rock that forms commonly in oceanic crust and parts of continental crust.
It forms from lava flows which extrude onto the surface and cool.
Commercial uses of granite.
As the name implies crushed granite is a natural stone aggregate material that is comprised of solid granite that has been harvested crushed and screened down to a specific particle size for use in a variety of landscaping and construction projects.
Basaltic crust is dark and thin and heavy while granite is light and accumulates into continent sized rafts which bob about like corks in this sea of basalt when.
Basalt is great for insulation purposes and has got very good thermal and friction properties.
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