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252 million years ago, Siberia was subject to a mass series of flood basalt eruptions, creating a large igneous province called the Siberian Traps. Today, it measures 2.7 million square miles in area and a volume of 960,000 cubic miles. But that is the province's current size, which means that it has been measured with 252 million years of erosion into account.

So the question is—Do we have any idea how big the Siberian Traps were initially?

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