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Is the density low or high for the oceanic crust?
The density of oceanic crust is generally higher than continental crust due to its composition of mostly basaltic rock. This higher density causes oceanic crust to be thinner and denser, leading to its subduction beneath continental crust at convergent plate boundaries.
How does the density of oceanic crust differ from that of continental crust?
Oceanic crust is denser than continental crust because it is primarily composed of basalt, which is a mafic rock with a higher density than the felsic rocks that make up continental crust. Additionally, oceanic crust is thinner and younger than continental crust, contributing to its higher density.
Does earth's crust have the same density?
No, the density of Earth's crust varies depending on the type of rock and location. Generally, continental crust is less dense than oceanic crust. Continental crust is composed mostly of granite and has an average density of about 2.7 g/cm^3, while oceanic crust, which is mainly basalt, has an average density of about 3.0 g/cm^3.
Why is the main reason that oceanic crust is heavier than continental crust?
Oceanic crust is mafic in composition and continental crust is felsic in composition. Mafic minerals generally have a higher density than felsic minerals and therefore, the oceanic crust is heavier.
What is denser oceanic crust or continental crust?
Oceanic crust: It is thinner than continental crust, or sial, generally less than 10 kilometers thick, however it is denser, having a mean density of about 3.3 grams per cubic centimeter.
What portion of the earths crust is more dense oceanic or contenintal?
Oceanic crust is denser than continental crust. Oceanic crust has a density of about 3 g/cm^3, while continental crust has a lower density of about 2.7 g/cm^3.
What is the density of continental crust and oceanic crust?
The specific gravity, on average, of continental crust is 2.7. For oceanic crust, it's 2.9.
Is the density low or high for the oceanic crust?
The density of oceanic crust is generally higher than continental crust due to its composition of mostly basaltic rock. This higher density causes oceanic crust to be thinner and denser, leading to its subduction beneath continental crust at convergent plate boundaries.
Why does the oceanic crust sink beneath the continental crust at the subduction zone?
density
How does the density of oceanic crust differ from that of continental crust?
Oceanic crust is denser than continental crust because it is primarily composed of basalt, which is a mafic rock with a higher density than the felsic rocks that make up continental crust. Additionally, oceanic crust is thinner and younger than continental crust, contributing to its higher density.
Oceanic crust is lighter than the continental crust?
No, the oceanic crust is denser. That's why the land areas "float" so much higher than the ocean bedrock.
How oceanic crust different?
Oceanic and Contintental crust are different in composition as well as size and density Continental- granitic/50-100km thick Oceanic- basaltic/ up to 10km thick Oceanic crust is more dense making it subduct under continental crust
Which type of crust has higher density between oceanic or continental?
Oceanic crust has a higher density compared to continental crust. This is primarily due to its composition; oceanic crust is predominantly made up of basalt, which is denser than the granitic rocks that make up much of continental crust. As a result, oceanic crust typically ranges from about 7 to 10 kilometers in thickness, while continental crust can be much thicker but is less dense overall.
What is a continental crust?
the continental crust is the plate crust formed under the continent (less density) as opposed to oceanic crustformed under the ocean(higher density)
What is a Earth crust?
the continental crust is the plate crust formed under the continent (less density) as opposed to oceanic crustformed under the ocean(higher density)
What is the primary reason that the continential crust stays on top of the oceanic crust?
The primary reason continental crust remains above oceanic crust is its lower density. Continental crust is primarily composed of lighter, less dense rocks like granite, while oceanic crust is denser, made mostly of basalt. This difference in density causes the buoyant continental crust to "float" on the denser oceanic crust beneath it, resulting in the continental crust being elevated above sea level.
Does earth's crust have the same density?
No, the density of Earth's crust varies depending on the type of rock and location. Generally, continental crust is less dense than oceanic crust. Continental crust is composed mostly of granite and has an average density of about 2.7 g/cm^3, while oceanic crust, which is mainly basalt, has an average density of about 3.0 g/cm^3.
