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The Minnesota River flows through a valley that dwarfs it entirely - a channel so vast relative to the modern river that geologists have a specific term for the mismatch. An underfit river is one diminutive relative to the channel it occupies, and Randall points to the Minnesota River as a textbook example. The channel was not carved by the river flowing through it today. It was the spillway of Lake Agassiz - a gigantic meltwater lake that formed during the deglaciation period - and the flow that carved it was of a scale that the modern landscape gives almost no indication of. Geologists who have studied the site have concluded that the meltwater flow through this valley was approximately 4000 times greater than the current flow of the Minnesota River. The channel that remains is the physical scar of one of the most powerful flood events in North American geological history - and the relatively modest river flowing through it today is all that remains of a discharge that would have been incomprehensible to anyone standing in its path. Comment "Megaflood" and join Randall in the field - explore the landscapes, see the evidence firsthand, and be the first to get details on the Finger Lakes Tour! Plus - a link to Randall's newest episode with Grimerica, premiering Friday at 8PM EDT
The Minnesota River flows through a valley that dwarfs it entirely - a channel so vast relative to the modern river that geologists have a specific term for the mismatch. An underfit river is one diminutive relative to the channel it occupies, and Randall points to the Minnesota River as a textbook example. The channel was not carved by the river flowing through it today. It was the spillway of Lake Agassiz - a gigantic meltwater lake that formed during the deglaciation period - and the flow that carved it was of a scale that the modern landscape gives almost no indication of. Geologists who have studied the site have concluded that the meltwater flow through this valley was approximately 4000 times greater than the current flow of the Minnesota River. The channel that remains is the physical scar of one of the most powerful flood events in North American geological history - and the relatively modest river flowing through it today is all that remains of a discharge that would have been incomprehensible to anyone standing in its path. Comment "Megaflood" and join Randall in the field - explore the landscapes, see the evidence firsthand, and be the first to get details on the Finger Lakes Tour! Plus - a link to Randall's newest episode with Grimerica, premiering Friday at 8PM EDT
The canoe floating at the bottom puts the scale into perspective immediately. 220 feet of lake. 220 feet of crater wall rising above it. A total depth of 440 feet and a width of 660 feet. This is Devil's Crater - one of the supreme examples of vertical cavitation on Earth - meltwater moving at incomprehensible speed and rotational force drilling straight down into solid bedrock with the precision of a natural drill bit. The outwash channel extending across the landscape tells the broader story of the flood event that produced it. This is what the Ice Age left behind in the Finger Lakes - and this is just one of the sites waiting to be explored on the tour. NEW EPISODE TONIGHT AT 8PM EDT Comment "IMPACT" for a link to Randall's latest episode with Grimerica's Darren Grimes and Graham Dunlop - Plus get details on his upcoming Finger Lakes Tour!
The canoe floating at the bottom puts the scale into perspective immediately. 220 feet of lake. 220 feet of crater wall rising above it. A total depth of 440 feet and a width of 660 feet. This is Devil's Crater - one of the supreme examples of vertical cavitation on Earth - meltwater moving at incomprehensible speed and rotational force drilling straight down into solid bedrock with the precision of a natural drill bit. The outwash channel extending across the landscape tells the broader story of the flood event that produced it. This is what the Ice Age left behind in the Finger Lakes - and this is just one of the sites waiting to be explored on the tour. NEW EPISODE TONIGHT AT 8PM EDT Comment "IMPACT" for a link to Randall's latest episode with Grimerica's Darren Grimes and Graham Dunlop - Plus get details on his upcoming Finger Lakes Tour!
half a river just disappears forever... scientists still don't know where #mystery #nat...
half a river just disappears forever... scientists still don't know where #mystery #nat...
Explanation Minnesota, USA. At Devil’s Kettle Falls, the river splits into two. One side flows normally. The other side… disappears into a deep hole. For years, people threw objects into it to track where it goes. Nothing was ever found downstream. Scientists later suggested it likely reconnects underground with the main river. But the exact path was never fully mapped. The water falls. But no one sees where it goes.
Explanation Minnesota, USA. At Devil’s Kettle Falls, the river splits into two. One side flows normally. The other side… disappears into a deep hole. For years, people threw objects into it to track where it goes. Nothing was ever found downstream. Scientists later suggested it likely reconnects underground with the main river. But the exact path was never fully mapped. The water falls. But no one sees where it goes.
Discover the wild story of how the Tahquamenon River Improvement Company used dynamite to blast away 16,000 cubic yards of sandstone in 1883. We expose how the logging industry completely destroyed a smaller waterfall just to float timber and drain the swamps of Michigan's Upper Peninsula. Tell me if you prefer root beer or actual river water, and hit follow before we dynamite your feed with more U.P. facts. #Yooper #TahquamenonFalls #MichiganHistory #UpperPeninsula #YooperExposed
Discover the wild story of how the Tahquamenon River Improvement Company used dynamite to blast away 16,000 cubic yards of sandstone in 1883. We expose how the logging industry completely destroyed a smaller waterfall just to float timber and drain the swamps of Michigan's Upper Peninsula. Tell me if you prefer root beer or actual river water, and hit follow before we dynamite your feed with more U.P. facts. #Yooper #TahquamenonFalls #MichiganHistory #UpperPeninsula #YooperExposed
Yooper-lite!
Yooper-lite!
The Iroquois told early settlers that little people lived in the grottoes of this place - and one look at Rainbow Falls begins to explain why. The erosion patterns carved into the rock, the hidden alcoves, and the sheer enchantment of the landscape point to a location that ancient peoples understood as something far more than scenery. The Finger Lakes region is one of the most geologically extraordinary places in North America - and we are just getting started. Comment "FINGERLAKES" and join Randall in the field - explore the landscapes, see the evidence firsthand, and be the first to get details on the Finger Lakes Tour! Plus - a link to Randall's newest episode with Grimerica, premiering today at 8PM EDT
The Iroquois told early settlers that little people lived in the grottoes of this place - and one look at Rainbow Falls begins to explain why. The erosion patterns carved into the rock, the hidden alcoves, and the sheer enchantment of the landscape point to a location that ancient peoples understood as something far more than scenery. The Finger Lakes region is one of the most geologically extraordinary places in North America - and we are just getting started. Comment "FINGERLAKES" and join Randall in the field - explore the landscapes, see the evidence firsthand, and be the first to get details on the Finger Lakes Tour! Plus - a link to Randall's newest episode with Grimerica, premiering today at 8PM EDT
Scavenger hunt for basalt erratics * * * #geology #pnw #healing
Scavenger hunt for basalt erratics * * * #geology #pnw #healing
The Lake Born in Five Minutes! 🏔🌊 Discover the terrifying story of Quake Lake, Montana. In 1959, a massive earthquake caused a mountain to collapse, damming a river and creating a new lake in an instant. See how nature can reshape the world in just minutes. #QuakeLake #MontanaHistory #NaturalDisasters #GeologyFacts #Wonderpedia
The Lake Born in Five Minutes! 🏔🌊 Discover the terrifying story of Quake Lake, Montana. In 1959, a massive earthquake caused a mountain to collapse, damming a river and creating a new lake in an instant. See how nature can reshape the world in just minutes. #QuakeLake #MontanaHistory #NaturalDisasters #GeologyFacts #Wonderpedia
Looks like a giant natural jacuzzi, but it’s actually a geological blender. 🌪️🪨 Welcome to Canajoharie, NY! The Mohawk name translates to "The Pot that Washes Itself," which is the perfect description of how this formed. Swirling water traps rocks and sand, grinding a massive bowl straight into the bedrock over thousands of years. ​⚠️ Warning: The exact same water dynamics that carved this make it extremely dangerous during heavy rain. Flash floods can happen in minutes. Always check the weather before exploring! ​#geology #canajoharie #upstateny #newyorkgeology #earthscience waterfalls hikingny natureeducation fluvialgeology
Looks like a giant natural jacuzzi, but it’s actually a geological blender. 🌪️🪨 Welcome to Canajoharie, NY! The Mohawk name translates to "The Pot that Washes Itself," which is the perfect description of how this formed. Swirling water traps rocks and sand, grinding a massive bowl straight into the bedrock over thousands of years. ​⚠️ Warning: The exact same water dynamics that carved this make it extremely dangerous during heavy rain. Flash floods can happen in minutes. Always check the weather before exploring! ​#geology #canajoharie #upstateny #newyorkgeology #earthscience waterfalls hikingny natureeducation fluvialgeology
Discover nature's quirky potholes! #GlacialMills #NatureFacts #GeologyFun
Discover nature's quirky potholes! #GlacialMills #NatureFacts #GeologyFun
The Chilling Paradox of Vermont’s Cold Bridge Discover the chilling paradox of Vermont’s Cold Bridge, a fascinating natural phenomenon where the bridge temperature drops as the sun shines. This bizarre occurrence challenges our understanding of heat and cooling effects in nature, making it a must-watch for science enthusiasts and curious minds alike. Dive into this mysterious story, share your thoughts below, and don't forget to subscribe for more intriguing discoveries! #vermont #coldbridge #naturemysteries #sciencefacts #bizarrephenomena #coldbridgevermont #unexplained #naturescience #fascinatingfacts #subscribenow
The Chilling Paradox of Vermont’s Cold Bridge Discover the chilling paradox of Vermont’s Cold Bridge, a fascinating natural phenomenon where the bridge temperature drops as the sun shines. This bizarre occurrence challenges our understanding of heat and cooling effects in nature, making it a must-watch for science enthusiasts and curious minds alike. Dive into this mysterious story, share your thoughts below, and don't forget to subscribe for more intriguing discoveries! #vermont #coldbridge #naturemysteries #sciencefacts #bizarrephenomena #coldbridgevermont #unexplained #naturescience #fascinatingfacts #subscribenow
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