Comment on The Arrogance of the AnthropoceneparentComments−chimi6yBy some back of the napkin calculations I did once, I found that a couple billion years is enough for the tectonic plates to have completely recycled themselves into the mantle, erasing any structures built on them.−MauranKilom6yCorrect, the stratigraphic record is 3.5 billion years old. At least if this (https://xkcd.com/1194/) xkcd is to be truested.
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By some back of the napkin calculations I did once, I found that a couple billion years is enough for the tectonic plates to have completely recycled themselves into the mantle, erasing any structures built on them.
Correct, the stratigraphic record is 3.5 billion years old. At least if this (https://xkcd.com/1194/) xkcd is to be truested.