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September 10, 2020 11:05 am 30 pts
What will be the thickness of a moving oceanic lithosphere at a distance of 100 km from the mid-oceanic ridge, given the average plate velocity of 1 mm/yr? A. less than 50 km B. between 50 and 100 km between 100 and 150 km D. more than 150 km
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• Veer vikram singh Best Answer
plate moves 1 mm = 10^-3 m in a year time taken to move 100km (100 X 10^3m) = (100 X 10^-3)/(10^-3) = 100 X 10^6 years = 100 million years
• Veer vikram singh
The thickness of plate increase from about 50km at oceanic ridge to about 110 kilometres at maturity. beyond which it remains constant.
Shivam sharma
Still not able to understand
• Veer vikram singh
age of the plate = 100 km /1 mm per year = 100 Million years hence the plate has reached maturity and it's thickness will be about 110 km
Veer vikram singh
hence option C is correct
• Rahul pandey
Answer (C) Between 100 km to 150 km Explanation: As you know that thickness of lithosphere increases with the distance from MOR. Thickness can-not increased always due to isostati... 