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Isn't part of the issue in this discussion, and maybe the controversy. Is that the knock on effects can take decades/100s of years to develop. An asteroid is 1
by FrustratedMonky 1y ago
Isn't part of the issue in this discussion, and maybe the controversy. Is that the knock on effects can take decades/100s of years to develop. An asteroid is 1 day, but the fallout and seasons changing can take years.
So by the time you look in geologic record, it is 10-100 of years of 'evidence'. And finding a single point event is difficult.
- adastra22 1y agoYes, it can take hundreds to thousands of years or more for the impulse of cosmic event to reach a new steady state in global climate. The KT extinction wasn’t “fast” either.
- cluckindan 1y ago”In the geologic record, the K–Pg event is marked by a thin layer of sediment called the K–Pg boundary or K–T boundary, which can be found throughout the world in marine and terrestrial rocks. The boundary clay shows unusually high levels of the metal iridium” A similar layer is suspiciously missing for the purported YD impact.