Episode #044: Megafloods - MARS, Missoula, Lake Agassiz

Summary

Explore the drastic geological evidence of megafloods, specifically focusing on the Missoula Floods first identified by Harlen Bretz in the 1920s. This podcast examines the historical context of these floods and draws parallels with similar features observed on Mars. Join Randall Carlson and his guests as they uncover the implications of ancient flood events on Earth's past and future.

Key takeaways

• 1Harlen Bretz identified the Missoula Floods in the 1920s after exploring the Channeled Scablands.
• 2The floods were initially thought to be due to accelerated melting of the Cordilleran Ice Sheet.
• 3Bretz eventually accepted a uniformitarian explanation of an ice dam forming and releasing a gigantic lake.
• 4Lake Agassiz and its outflow spillways are discussed in detail regarding their impact on the landscape.
• 5Megaflood features imaged on Mars indicate similar geological processes at work on other planets.

Source

Transcript excerpt

That's ancientnutrition.com, code protein. This is Cosmographia, the Randall Carlson Podcast. And welcome back, ladies and gentlemen, to Cosmographia, the Randall Carlson Podcast. We are joined today by all the usual people. We've got Bradley. How are you doing, sir? I'm good, man. Good to see you guys. We're back. Good to see you, too. Yes, we are back. Mike, how about you? Normal guy land. Silent Mike. Randall. Sir. Sir. How are you doing today? Yeah. How's it going? Going pretty good, man. Yeah. What can I say? Yeah. Life is good? Well, yeah. I mean, the new website's up. The restaurant's all legal and approved, so it's opening a week from tonight. And by the time this is posted, the Wheelhouse Craft Pub and Kitchen will be open for business. All right. Great news. Get down there and get me a sandwich. That's better. You guys better show up. Come on up and try out the menu. Yeah. I'd love to. And the black and tans. Black and tans. I can't wait to do that. To have a secret passcode for Cosmographia listeners that show up at the Wheelhouse Podcast on Scott Boulevard. Hey, what's your deal, man? Yeah. I think you need to do a remote from one of the booths there. There we go. Yeah. I'm going to do that. You know what? It would be fun to do a podcast from there. Yeah. We talked about having Ian on, so that's the way to have Ian on, to let him show us around the pub. Yeah. If people go to the new website and they see the how-to that we're partnering with, and I've got the five regular polyhedra, they're arrayed. That's on the bar that we built. Yeah. The Brazilian Tigerwood Bar. ...

Excerpt from Kosmographia, Sep 13, 2020. Rights remain with the original creators. Hear the full episode at the source.