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by s1artibartfast
2368 days ago
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My understanding is that the carboniferous was a particularly productive coal forming period, but in no way unique. The majority of the coal on earth has been formed since the carboniferous and the process is ongoing today. Figure 1 in the link below provides a good demonstration of north american coal formation over time/ https://www.pnas.org/content/113/9/2442 |
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