NTA-NET (UGC-NET) Geography (80) Geomorphology-Fundamental Concepts Study Material (Page 13 of 14)
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Constitution of the Earth՚s Interior
Introduction
The interior of the earth is that portion which is, possibly, not reachable for us. The parts, from where the sample is not supposed to be taken in our hands, are difficult to understand very well directly. Constitution of the earth՚s interior is the study to understand the internal parts of the earth, in terms of the real conditions existing there. These conditions could be about the state of…
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Pressure, Temperature & Density: Interior of Earth
Pressure
Earlier it was assumed that the density of the interior rock is grater due to increasing pressure of the rocks lying above. To some extent, this assumption is true but it is also universally proven fact that the density of the rocks cannot be increased beyond a certain limit, simply by compression or more pressure.
Temperature
With the advancement in technology and knowhow to use the minerals, the mining activities started. We have been digging the earth since many centuries. But the deeper mining and oil exploration has led drilling the crust to the much deeper level in recent times. Our own observations record a rate of increase in temperature and it is about 30 C per 100-met…
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