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November 13, 2019, 5:43 pm UTC    
October 11, 2019 11:14AM
Fiedel was a little late with his talk [www.hallofmaat.com] and more potholes have turned up since Erlandson et al. 2007.

Of interest is this statement: "The one possible exception is the gap between 17,100 and 14,500 years BP, which is late in the glacial maximum. Ringed seals are a climatic indicator of sea ice, and their remains are quite abundant in On Your Knees Cave. Twenty five samples of ringed seal have been dated so far (more than any other species from a single site) in order to determine 1) the time range of temperatures cold enough to create sea ice, and 2) whether On Your Knees Cave was available as a carnivore den during the entire glacial maximum. This gap of 2,600 appears to be significant, suggesting that the cave may have been covered by a snowfield or glacier during this interval."

But see this paper for a different opinion: [advances.sciencemag.org]

So let's back up in time: [gsa.confex.com]
"Trace element analysis documents two sources for obsidian artifacts recovered from the site; Mount Edziza on the British Columbia mainland and Sumez Island in Southeast Alaska. Collectively these data indicate that by c 9,200 BP humans along the Northwest Coast of North America were coastal navigators with established trade networks for obsidian and a subsistence economy based primarily on marine resources. Because earlier human occupation of the Northwest Coast was necessary in order to establish this broad regional adaptation by 9,200 BP, this evidence strengthens the theory that humans may have first entered the Americas using watercraft along the Northwest Coast of North America during the late Pleistocene (Fladmark 1979)."

Dixion fails to mention Mount Edziza is some 160 km (ca 100 miles) through the coastal mountains to the Pacific Ocean and his reference, Fladmark, demonstrates that obsidian was found at high elevation on the side of Mount Edzizia. A close look at Sumez Island (I think Dixon spelled it wrong, is there a local variation?). Even at modern sea levels the distances required to get there require only a few short water crossings of less than a mile. So given the new claims of 16,000 (Davis 2019) and Triquet Island in 2017 is something like a 100 meter drop in sea level meaning even less distance. So Mount Edziza proves glacier travel and Suemez Island proves no navigation skills or seaworthy boats to get there.

IMO, Dixon and Erlandson et al. can be summed up:
Capt. Picard: "You told the truth up to a point. But a lie of omission is still a lie."
Subject Author Posted

Chasing Red Herrings Down the Kelp Highway (Paleoindian Migration)

Paul H. April 20, 2019 10:05PM

Re: Chasing Red Herrings Down the Kelp Highway (Paleoindian Migration)

Lee Olsen April 21, 2019 08:44AM

Re: Potholes on the kelp highway

Lee Olsen October 11, 2019 11:14AM

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