The depression of the Caucasus Mountains under the influence of denudation processes is 0.45 mm / year. Determine how long it will take for the height of Elbrus (5 642 m) to become 2,042 m, provided that the mountain building process in the Caucasus has ended and the denudation rate is stable.
1) Find out how many meters the peak of Elbrus will drop as a result of denudation:
5,642 m – 2,042 m = 3,600 m
2) We convert meters to millimeters: 3600 m = 3600000 mm = 36 × 10 ^ 5 mm
3) Determine the time of denudation:
36 × 105 mm / 0.45 mm / year * 36 × 10 ^ 7 mm / 45 mm / year = 8 × 10 ^ 6 years
Answer: Elbrus will drop to a height of 2,042 m as a result of denudation in 8 million years.
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