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What are 2 differences about the cotineantal and oceanic crust?
The two main differences between continental and oceanic crust are their composition and thickness. Continental crust is primarily made up of granitic rocks, which are less dense than the basaltic rocks that make up oceanic crust. Additionally, continental crust is much thicker, averaging around 35 km thick, compared to oceanic crust, which is typically around 7 km thick. These differences in composition and thickness contribute to the contrasting properties and behaviors of continental and oceanic crust in geological processes.
Continental crust are?
Continental crust is the thicker, less dense outer layer of Earth's lithosphere that makes up the continents. It is primarily composed of granitic rocks, such as granite and granodiorite, and is less dense than the oceanic crust, which is mainly basaltic in composition. Continental crust is relatively older than oceanic crust and can be several billion years old in some areas.
How do oceanic and continental crust differ?
Oceanic crust is typically thinner, denser, and younger than continental crust. It is primarily composed of basaltic rocks and forms the ocean floor, while continental crust is thicker, less dense, and contains a wider variety of rock types, including granitic rocks. Continental crust forms the continents and is older than oceanic crust.
What is the difference between the continental crust and the oceanic?
Continental crust is much older, granitic in nature, and less dense than oceanic crust which is composed of basaltic rock. Oceanic crust is in a constant state of creation and destruction through the processes of plate tectonics. Oceanic crust is also considerably less thick than continental crust.
Is basaltic magma wet or dry?
Basaltic magma is considered "dry" because it has relatively low water content compared to other types of magma. This is why basaltic eruptions tend to be less explosive compared to more water-rich magmas like andesitic or rhyolitic magmas.
Where is the crust thickest?
The crust is thickest beneath the continents, particularly in mountainous regions where it can reach depths of around 43 miles (70 kilometers). This thicker continental crust is primarily composed of granite and other lightweight rocks, compared to the oceanic crust which is thinner and predominantly basaltic in composition.
What is the thickest the continental or oceanic?
i believe the continental(granatic)crust is thicker than oceanic(basaltic)crust but i could be wrong
Which mineral is found most frequently in both granitic continental crust and basaltic continental crust?
Plagioclase Feldspar and Biotite and Amphibole
What and the difference between oceanic and continental?
Oceanic crust is mostly basaltic, which is denser, while continental crust is made from mostly basaltic and sedimentary rocks, which are less dense. This difference in density is why the oceanic crust sinks lower (thus the oceans) and the continental crust rides higher (thus the continents) on the mantle.
What kind of rock makes up the continental drift?
Lithospheric rocks, (Basaltic and Granitic rocks)
Continental crust and the difference between oceanic crust?
Oceanic crust is mostly basaltic, which is denser, while continental crust is made from mostly basaltic and sedimentary rocks, which are less dense. This difference in density is why the oceanic crust sinks lower (thus the oceans) and the continental crust rides higher (thus the continents) on the mantle.
Does basaltic magma have a lot of silica or very little?
Basaltic magma is low in silica compared to andesitic or granitic magma.
What are 2 differences about the cotineantal and oceanic crust?
The two main differences between continental and oceanic crust are their composition and thickness. Continental crust is primarily made up of granitic rocks, which are less dense than the basaltic rocks that make up oceanic crust. Additionally, continental crust is much thicker, averaging around 35 km thick, compared to oceanic crust, which is typically around 7 km thick. These differences in composition and thickness contribute to the contrasting properties and behaviors of continental and oceanic crust in geological processes.
Continental crust are?
Continental crust is the thicker, less dense outer layer of Earth's lithosphere that makes up the continents. It is primarily composed of granitic rocks, such as granite and granodiorite, and is less dense than the oceanic crust, which is mainly basaltic in composition. Continental crust is relatively older than oceanic crust and can be several billion years old in some areas.
Which mineral is most found in both granitic continental crust and basaltic oceanic crust?
Plagioclase Feldspar and Biotite and Amphibole
How is continental lithosphere different oceanic lithosphere?
Continental lithosphere is thicker and less dense than oceanic lithosphere. Continental crust is primarily composed of granitic rock while oceanic crust is composed primarily of basaltic rock.
Where do most rocks have basaltic composition?
Most rocks with basaltic composition are found in volcanic regions, such as volcanic islands and mid-oceanic ridges. They are also commonly found in continental flood basalt provinces, which are large expanses of basaltic lava flows that cover extensive areas of land. Basaltic rocks can sometimes be found in other settings as well, such as in certain types of metamorphic rocks.
