Basaltic Igneous Rocks Are Lower In Density Than Granitic Rocks

Granite and rhyolite are felsic igneous rocks intermediate igneous rocks have a density. Igneous rocks are formed by the crystallisation of a magma. Lava that cools quickly forms rocks.

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Difference Between Basalt And Granite Difference Between

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Granitic igneous rocks are all of the following except.

Basaltic igneous rocks are lower in density than granitic rocks.

Sedimentary rocks and granite which are rich in quartz and feldspar tend to be less dense than volcanic rocks. High in iron content. A basalt is about 53 sio2 whereas granite is 73. The density of the continental granitic lithosphere is lower than oceanic basaltic lithosphere.

Intrusive slowly cooled inside the crust. High in silica content b. They have a higher silica content and a lower iron and magnesium content than the other types of rock. Plutonic rock formed in the earth.

Consequently due to buoyancy the continental crust rides above the oceanic lithosphere and. Rich in quartz and potassium feldspar. Rock density is very sensitive to the minerals that compose a particular rock type. Igneous rock with a mineral composition between that of basaltic and granitic rock.

And if you know your igneous petrology you will see that the more mafic rich in magnesium and iron a rock is the greater its density. Light colored igneous rock of lower density than basaltic rock formed from magma rich in silica but poor iron and magnesium. This magma is thick and stiff. Continental crust density 2 7 2 8.

Lower in density than basaltic rocks d. The difference between granites and basalts is in silica content and their rates of cooling.

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Basalt Is A Dark Fine Grained Igneous Rock With Generally 45 55 Silica Sio2 It Is Mostly Very Liquid And Feeds Effusive Hawaii Igneous Rock Basalt Igneous

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