UGC - net -- GEOGRAPHY
Chapter - geotectonic
DIPENDU
MONDAL
1. What is the depth of mantle- - 60-2900 km
2. What is the average density of continental crust - - 3gm / cubic centimeter
3. What is the velocity of P wave at crust - - 6.2 cm
4. Fossils can be seen in which rock - - in sedimentary rock
5. What is the average depth of the crust - - 60 km
6. Granite which type of rock - - Acidic rock
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7. What is the estimated age of the earth - - 450 crore years
8. marl can be seen in which rock - - sedimentary rock
9. yellow colored rock rich in fine silt called - - Loyes
10. What is the amount of silica in acidic rock - - 65%
11. What is sandstone converted into - - quartzite
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12. Mineral oil is found in which rock - - sedimentary rock
13. Who named the asthenosphere - - Gutenberg and Anderson
14. How many meters deep underground temperature rises at a rate of 1 degree centigrade - - 32 meters deep
15. What is the depth of the earth's crust - - 40 kilometers
Hello, my name is Dipendu Mondal. I'm a teacher with three years of experience as a Assist.