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Episode #046: Potholes and Mid-continent Megafloods

What was the impulse of energy that initiated the domino procession of megafloods? We marvel at the oversized mid-continent spillways in the Dakotas, Minnesota, and Wisconsin – investigating multiple sites with the National Map's “advanced viewer”

St Croix River, Lakes Nipigon and Superior

Connotations of “lake” include more temporary impoundments of meltwater? Critical assessment of Lake Missoula's ice dam model

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While reviewing the events around the catastrophic drainings of Glacial Lake Agassiz, the ongoing question arises: What was the impulse of energy that initiated the domino procession of megafloods?  We continue to marvel at the oversized mid-continent spillways in the Dakotas, Minnesota, and Wisconsin – investigating multiple sites with the “advanced viewer” on the USGS National Map website, with particular focus on the underfit rivers, the massive potholes along the St. Croix (that we explored with Graham Hancock in 2014), and the discharges thru Lakes Nipigon and Superior. RC then broadens the connotations of “lake” to include more temporary impoundments of meltwater, which leads to a critical assessment of the current model of Lake Missoula and its Ice Dam. And in preparation for next episode’s special guest, Jerome Lesemann, we get an introduction to Canada’s extensive drumlin fields…


LINKS:

National map with layer options: https://viewer.nationalmap.gov/advanced-viewer/  (give it a minute to load all the data)

St Croix Dalles:  https://files.dnr.state.mn.us/destinations/state_parks/interstate/interstate_geology.pdf

Impact at Nipigon? https://www.youtube.com/watch?v=Dn8NBPA2w5I

Full listing of scientific papers about the Younger Dryas Impact Hypothesis: https://cosmictusk.com

 

CBD RECOMMENDED - Listen to Randall’s experience with “CBD from the gods” after the mid-break at 54:26. They have some special deals going on right now, and in addition, for the Kosmographia audience - you can also get FREE shipping on your order!  Use code: “RCshipsFREE” (not case sensitive) when you check out at https://www.cbdfromthegods.com


Support Randall Carlson's efforts to discover and share pivotal paradigm-shifting information! Improve the quality of the podcast and future videos. Allow him more time for his research into the many scientific journals, books, and his expeditions into the field, as he continues to decipher the clues that explain the mysteries of our past, and prepare us for the future...

 

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Small class lectures "Cosmography 101" from '06-'09 on Brad's original channel: https://youtube.com/geocosmicrex

  

Kosmographia logo and design animation by Brothers of the Serpent. Check out their podcast: http://www.BrothersoftheSerpent.com/

Theme “Deos” and bumper music by Fifty Dollar Dynasty: http://www.FiftyDollarDynasty.net/

Video recording, editing and publishing by Bradley Young with YSI Productions LLC (copyrights), with audio mastered by Kyle Allen.

 

CBD FROM THE GODS LINK:  http://www.cbdfromthegods.com              COUPON CODE: RCshipsFREE

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All Comments: (3)
  • "Minnesota GNEISS??" --- Monday, 07 March 2022 ... Almost sprayed the computer screen with my drink when Kyle listed the ingredients.+|+|+|+|+|+|+|+|+|+| BTW... howtube website is plugging in tomorrow's date by the comment. This really screws up the ALIBI I was planning on using to cover my crime spree...
    reply
  • Mr. Carlson, BLINK THREE TIMES if Someone is Being Mean to You!!! Not that there's much we can do to help, but we'll be thinking of you... =|=|=|=|=|=|=|=|=|=|=|=|=|=|= Anyhow, That business of launching yourself into free fall, and using gravitational acceleration and sudden deceleration as you achieve minimum kinetic potential, quickly gets to be an exhausting method for becoming intimately acquainted with the local Geology. =|=|=|=|=|=|=|=|=|=|=|=|=|=|=|=|=|=|=|= It's almost as if you're creating a handy reference map on your body of all the obstructions and hazards in your vicinity.
    reply
  • "Minnesota Gneiss" -- Ethyl Alcohol to sterilize the glass, Plagioclase Gravel for texture, and Moose Pee for the High... Poodle Pee if Moose won't cooperate.
    reply
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