Had an interesting conversation with a paleontologist friend
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Date: May 16th, 2025 10:13 PM Author: House-broken Patrolman
His position--which I also believe and have advocated for, but it was reassuring to hear it voiced from someone else in the field--is that it is essentially trivial that some species of dinosaurs (and not meaning birds, but popularly conceived dinosaurs--t. rex; triceratops; velociraptor, mosasaurus etc.) survived beyond the K-Pg boundary--"100 years, 100,000 years, 10 million years--all of it is likely." His position further is that the Earth is complex and a complex set of environments, the Chicxulub impact did not have uniform effects although we may model them as such for purposes of scientific understanding, life at a microscale can be remarkably adaptable, and so it is in a sense trivial for there to have been some area of the Earth where some dinosaur populations did survived and maintained a functioning ecosystem for xxxx years post impact, and we're potentially talking at the level of geologic timescales here, not just 10/100/1000 years. This doesn't mean, unfortunately, that we are destined or likely to encounter fossilization evidence, precisely because of the relatively microscale of such survivorship--we would need to be looking in precisely the right place and have the benefit of a specific period of fossilization surviving, which isn't at all guaranteed (although it is possible and we should keep looking). But just the idea of it is tantalizing, that e.g., a few million years after the impact, somewhere in the neighborhood of northern Montana, tyrannosaurs were still stalking the Earth, still straining their heads up to the night sky to join in a night chorus that would soon enough disappear, but not that one night.
(http://www.autoadmit.com/thread.php?thread_id=5725236&forum_id=2#48938321) |
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