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AleaJactaEst says:
Interestingly the only geologist on the paper was the third author. The KT boundary discussion (now Im showing my age as I prefer the KT monika) is many years old. The related extinction event took several million years and this is shown in the fossil record. Global wildfires would have caused an immediate (in geological terms) fingerprint. One that does not exist in the said record.
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darwin says:
I think theyre wrong. Recently scientists have uncovered fossilized SUVs and coal fired power plants. The evidence is mounting that Global Warming controls everything.