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Robert Duncan - Unfortunately, we haven't found many...
Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion. (Robert Duncan)

Unfortunately, we haven't found many very old rocks on Earth because our planet's surface is constantly renewed by plate tectonics, coupled with erosion.

Robert Duncan

Related topics

earth erosion found plate surface tectonics rocks

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