Traced 18 Haplogroup Q cherry-picking & Carnian Pluvial Episode

Описание: Evolution Hour 279 Jeanson dangles papers re haplogroup Q, Sochtig 2015 https://bmcgenomics.biomedcentral.com... on the Maya, & Malhi 2008 https://globalmigration.ucdavis.edu/s... on the Navajo.

Malhi’s paper on Athapskan language family of N. America, which does have a branch in the American sw, neat maps on Q, R & C, with C gradients spreading from Beringia, R centered by Hudson’s Bay, & Q very much Mesoamerican. Jeanson may have picked on this as it involved “a relatively recent long distance and rapid population movement from the Subarctic to the Southwest of North America,” & language splits after 700 CE. Making this only the 6th of 22 technical papers he didn’t overtly bungle. Not so with the other.

Sochtig wasn’t focused on Q, but A branch, most recent common ancestor of A2w as 9900 ya, A2w1 “it’s oldest sub-clade” 9300, A2w3 a much younger 3500 years, A2w1b at 1500, & A2w1a1a at 1600 ya. But “The clade containing the two Guatemalan sequences, A2w1a1, is 7.9 kya.” Jeanson mentioned none of that--will he mention A later?

So dates shooting past the Big Slosh & the YEC Creation. What’s the skivvy on haplogroup Q? Curiously, Jeanson has Zegura 2004 https://academic.oup.com/mbe/article/... in his refs, but has yet to cite it, maybe because it puts Q 17,000+ ya.

And why cite 2008 paper by Malhi, but not the later Dulik 2012 https://www.pnas.org/doi/10.1073/pnas... on the same issue? A different Dulik work is in his references btw, but he hasn’t cited that yet either. Anyhow, the Dulik paper puts the Q group in a block originating 17-22,000 years ago.

Technically we’ve reached the end of his main book (with only a smattering of his references cited), but there are appendices following, so maybe the avalanche will occur there.

Part 2 CMI geologists Ron Neller & Tas Walker https://creation.com/carnian-pluvial-... hope to connect a long rainy period with the Flood, but are minus even YEC sourcing apart from themselves. They’re bringing up the Carnian Pluvial Episode from the Triassic, a rainy period they deem to be “a fictitious invention” of the scientists. Harrumph.

The field is a burgeoning one, as the sources show. Dal Corso 2018 https://pureadmin.qub.ac.uk/ws/files/... covers a symposium on it. Most of those at the symposium contributed to Dal Corso 2020 https://www.science.org/doi/10.1126/s....

And it involves Wrangellia, an exotic terrane which figures in the early formation of my own Pacific Northwest, so it seemed prime to dive in further.

Mazaheri-Johari 2021 https://www.nature.com/articles/s4159... on mercury deposition (relevant to assessing paleoclimate). Shellnut 2021 linking the Wrangellia terrane to the Galapagos hotspot https://www.nature.com/articles/s4159.... And perhaps most pertinent to any paleoenvironment there, Stanley 2013 on Triassic bivalves there https://www.researchgate.net/publicat.... And for good measure, some flora from later on, Cretaceous mosses from that Vancouver BC area differing notably from extant ones, Shelton 2015 https://bsapubs.onlinelibrary.wiley.c....

So what is the YEC accounting of the pre-Flood environment that could allow all that to be so paleogeographically? Apart from reflexively declaring Big Slosh all the time, nothing of any comparable detail to those papers is on the scene in the YEC frame—and certainly not in the slim squib from Neller & Walker.

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