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What about silicon dioxide?
It is a major component of the earth's crust.
Is the earth's crust older than the ocean crust?
Yes, the Earth's continental crust is generally older than the oceanic crust. Continental crust can be billions of years old, while oceanic crust is continuously being created and is typically less than 200 million years old.
What is one major difference between oceanic crust and continental crust?
One major difference between oceanic crust and continental crust is their composition and density. Oceanic crust is primarily composed of basalt and is denser and thinner, averaging about 7 kilometers in thickness. In contrast, continental crust is mainly composed of lighter granitic rocks and is thicker, averaging around 30-50 kilometers. This difference in density contributes to the distinct characteristics of oceanic and continental tectonic plates.
What is the major component of oceanic crust?
The major component of oceanic crust is basalt, which is a type of mafic rock that forms from solidified volcanic lava flows. Basalt is rich in iron and magnesium and is the most common rock type found in the oceanic crust.
Is granite granite?
Granite is an intrusive igneous rock (formed from the slow cooling of magma underground), the major component of the continental crust, coarse grained, and composed of quartz along with a variety of feldspar minerals and micas.
Which mineral is most frequently found in both granitic continental crust and basaltic oceanic crust?
The mineral most frequently found in both granitic continental crust and basaltic oceanic crust is feldspar. Feldspar is a common mineral found in igneous rocks and is a major component of both types of crust due to its abundance and widespread distribution.
What about silicon dioxide?
It is a major component of the earth's crust.
Is the earth's crust older than the ocean crust?
Yes, the Earth's continental crust is generally older than the oceanic crust. Continental crust can be billions of years old, while oceanic crust is continuously being created and is typically less than 200 million years old.
What is one major difference between oceanic crust and continental crust?
One major difference between oceanic crust and continental crust is their composition and density. Oceanic crust is primarily composed of basalt and is denser and thinner, averaging about 7 kilometers in thickness. In contrast, continental crust is mainly composed of lighter granitic rocks and is thicker, averaging around 30-50 kilometers. This difference in density contributes to the distinct characteristics of oceanic and continental tectonic plates.
What is the major component of oceanic crust?
The major component of oceanic crust is basalt, which is a type of mafic rock that forms from solidified volcanic lava flows. Basalt is rich in iron and magnesium and is the most common rock type found in the oceanic crust.
Is granite granite?
Granite is an intrusive igneous rock (formed from the slow cooling of magma underground), the major component of the continental crust, coarse grained, and composed of quartz along with a variety of feldspar minerals and micas.
Which is thicker continental crust oceanic crust?
Continental crust is the thicker of the two: it extends far beneath and above the Oceanic crust.
What is older the oceanic crust or the continental crust?
Continental crust is far older than oceanic crust.
Why is the ocean crust thinner than the continental crust?
It is not. The oceanic crust is thinner than the continental crust!
Is the continental crust thinner than the oceanic crust?
It is not. The oceanic crust is thinner than the continental crust!
Oceanic crust is than continental crust.?
younger
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.
