• March 16th, 2016

Short referenced essay explaining why there is little oceanic crust older than 200 Ma. Explain the consequences of this for understanding the age of the Pacific Ocean, and our understanding of past oceans.

Paper, Order, or Assignment Requirements

Geologists can reliably determine how old most rocks are using a combination of fossil evidence and radiometric dating. It is rare to find oceanic crust that is older than 200 million years old (Ma), whereas there is plenty of continental crust that is much older.
Write a short referenced essay explaining why there is little oceanic crust older than 200 Ma.
Explain the consequences of this for understanding the age of the Pacific Ocean, and our understanding of past oceans.
Do fully reference your essay (between 3 and 6 references is usual; at least one to be a printed book or peer-reviewed journal article).
Word limit: 1000 (does not include Figures and list of references)

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