Home › UPSC CSE › Geography › Physical Geography › Rocks of the oceanic crust are nowhere older than:
Rocks of the oceanic crust are nowhere older than:
A20 million years
B200 million years
C2,000 million years
D3,200 million years
Answer & Solution
Correct answer: B. 200 million years
1. Some continental rocks are 3,200 million years old.
2. Oceanic crust is under 200 million years old.
3. Ocean floor sediments are also thin.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 4, Distribution of Oceans and Continents._
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