Explain in Brief
The crust
The Mantle
THe core of the earth
Sial
Sima
MSCERT Class 8th Geography Ch 4 Interior of the Earth
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Crust - Upper layer of earth
Mantle - Middle layer of the earth
Core - deep layer of earth where the temperature is maximum
Sial - top layer of crust (Silicate+aluminium)
Sima - deep layer of crust (Silicate+manganese)
Mantle - Middle layer of the earth
Core - deep layer of earth where the temperature is maximum
Sial - top layer of crust (Silicate+aluminium)
Sima - deep layer of crust (Silicate+manganese)
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The Crust-the uppermost layer of the earth's surface is called crust. it is thinnest of all layer. it is about 35 km on the continental mass and only 5 km on the ocean floor.
The Mantle- the layer below the crust is called mantle. it extends upto a depth of 2900km. below the crust.
The Core of the earth- The innermost layer of the earth is called core. it has a radius of about 3500km. it has very high temperature and pressure.
Sial-( si-silica and al-aluminium) it is the main mineral constituent of the continental mass.
Sima- (si-silica and ma- magnesium) the oceanic crust mainly comprises of sima.
The Mantle- the layer below the crust is called mantle. it extends upto a depth of 2900km. below the crust.
The Core of the earth- The innermost layer of the earth is called core. it has a radius of about 3500km. it has very high temperature and pressure.
Sial-( si-silica and al-aluminium) it is the main mineral constituent of the continental mass.
Sima- (si-silica and ma- magnesium) the oceanic crust mainly comprises of sima.
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