Is Granite More Dense Than Basalt

In terms of minerals granite has even more feldspar and less amphibole than basalt and almost no pyroxene or olivine. Ocean crust is made of basalt and continental crust is mostly granite 3. Basalt is denser than granite because basalt is a an oceanic type of rock so it has had more pressure from the ocean making it denser than granite because granite is a continental type of rock.

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Granite Vs Gabbro Similarities And Differences

It also has abundant quartz.

Is granite more dense than basalt.

The molten minerals would less dense for the same reason hot water is less dense than cold water and hot air is less dense than cold air. Basalt is an igneous volcanic rock that forms commonly in oceanic crust and parts of continental crust. Basalt is more common in oceanic crust while granite is more common in continental crust. Ask students to justify their labels with an explanation that includes the following words.

Granite is a very hard granular crystalline igneous rock which consists mainly of quartz mica and feldspar and is often used as building stone. Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of earth. Ask students to individually label which rock basalt or granite they think is continental crust and which rock is oceanic crust based on their results from the density lab. Less dense more dense water basalt granite oceanic crust and.

Granitic rocks are even less dense than basalt. All rocks of igneous origin consist of magma or molten earth that finds its way up to. 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. Which would be less dense granite or magma that contains the same minerals as granite.

Basalt is more dense than granite true false weegy. Gabbro basalt and gabbro have a similar composition just the crystal size differs from different cooling rates same for rhyolite and granite. In geologist s shorthand continental crust is felsic. Earth contains three kinds of rocks namely igneous rocks sedimentary rocks and metamorphic rocks basalt and granite are two types of igneous rocks.

Summary of basalt vs. You can also know more about granite and basalt reserves. 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. Sedimentary rocks and granite which are rich in quartz and feldspar tend to be less dense than volcanic rocks.

It forms from lava flows which extrude onto the surface and cool.