How long does it take for the ocean crust to cool off and become as dense as it can by compaction and mineral infilling of porosity?
A)50-100 years after the cessation of volcanism
B)500,000 to 1 million years
C)5 to 10 million years
D)about 80 million years

Question

Quizplus · Accepted Answer

The ocean crust takes about 80 million years to cool off and become as dense as it can due to compaction and mineral infilling of porosity. This process is gradual and occurs over a long geological timescale.

How Long Does It Take for the Ocean Crust to Cool