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Describe the earth crust and its process.
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the upper most solid layer of the earth is called crust
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The Earth’s Crust:-
The earth’s crust is the outmost and first layer of the earth. It is the hardened part of the Earth with a depth of about 5 to 70 kilometers (~ 3 to 44 miles) and makes about less than 1% of the entire Earth’s volume. The earth crust is split up into two parts: the oceanic crust and the continental crust.
The continental crust is approximately 60 kilometers thick while the oceanic crust is about 5 kilometers below the ocean. The ocean crust is the largest and takes up to 71% of the earth’s crust while the continental crust take up the remaining 29%. The continental crust consists of rocks such as the igneous rocks, and the oceanic crust is consists of basalt and sedimentary rocks.
The rocks in the continental crust are estimated to be about 3.9 billion years old. The average density of the oceanic crust is 3g/cm while the average density of the continental earth is 2.7g/cm. The crust temperature is approximately 200 to 400 degrees Celsius. The Earth crust is also always in constant motion and as such, it is the layer where tectonic plates are found.
Hope its help!!
The earth’s crust is the outmost and first layer of the earth. It is the hardened part of the Earth with a depth of about 5 to 70 kilometers (~ 3 to 44 miles) and makes about less than 1% of the entire Earth’s volume. The earth crust is split up into two parts: the oceanic crust and the continental crust.
The continental crust is approximately 60 kilometers thick while the oceanic crust is about 5 kilometers below the ocean. The ocean crust is the largest and takes up to 71% of the earth’s crust while the continental crust take up the remaining 29%. The continental crust consists of rocks such as the igneous rocks, and the oceanic crust is consists of basalt and sedimentary rocks.
The rocks in the continental crust are estimated to be about 3.9 billion years old. The average density of the oceanic crust is 3g/cm while the average density of the continental earth is 2.7g/cm. The crust temperature is approximately 200 to 400 degrees Celsius. The Earth crust is also always in constant motion and as such, it is the layer where tectonic plates are found.
Hope its help!!
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