Posted on 11/23/2007 8:10:13 PM PST by george76
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A hillside in the Tsangpo River Gorge of Tibet shows evidence of two ancient lakes, formed when glacial ice blocked the river.
The lower line of vegetation marks the edge of the smaller, more recent, lake and the upper line marks the shore of a much larger lake about 10,000 years ago.
Here is a good link:
http://www.uwsp.edu/geo/projects/geoweb/participants/dutch/VTrips/Scablands0.HTM
Thanks.
I hear that , from the air, one can see huge sand deposits in forms of ripples made by the river currents.
Up close, these repeating hills are not so obvious ?
That’s a great link. I have often wondered in which order these areas were created. Fascinating.
This so confusing...Medieval Minimum...
Up close, these repeating hills are not so obvious ?
The features are indeed best from the air (I have flown a private plane over the area).
I also did a number of field trips to that area during grad school. Fascinating formations (once you realize what they are)!
The website I posted upthread has one of the best visual explanations for the formations, but there are also some other good sites. Do a google for "channeled scablands" and see what else is out there.
Thanks.
Sounds like fun to see the geology from the air.
Where is a good place to start for a trip ?
Where is a good place to start for a trip ?
If you are in a private plain you can start from a lot of places: Yakima, the Tri Cities, Pullman, Ellensburg, Spokane, even the Seattle/Tacoma area. Aim for Palouse Falls and areas upstream.
The important thing is to have some good references to help with locations, and what to look for. Check the various sources on the web for further information.
Amazing place, Dry Falls. We go to Sun Lakes camping every summer. You can see one of the lakes in the picture taken from the Dry Falls Interpretive Center. Already looking forward to next year.
Noah’s flood?
Noahs flood?
Somewhere between 600 and 900 AD? Unlikely.
Ping for your interest.
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somethin’ nutty, the only other mention of the Tsangpo, apparently:
Voyage to Our Hollow Earth - 24 Day Trip (you’ve *gotta* see this!)
memepool | He didn’t type in the “Stardate” | Rodney M. Cluff
Posted on 12/18/2003 11:13:01 AM EST by Constitution Day
http://www.freerepublic.com/focus/f-chat/1042811/posts
Back To Siberia: The Biggest Flood?About 14,000 years ago, a wall of water 1,500 feet high surged down the Chuja River valley at 90 miles per hour. A. Rudoy, a geologist at Tomsky State Pedagogical Institute, points to giant gravel bars along the Chuja River valley. These are not the inch-sized ripples we seen on the floors of today's rivers; these are giants measuring tens of yards from crest to crest. Only a catastrophic flood could have piled up these ridges of debris. Rudoy postulates that, during the Ice Ages, a huge ice dam upstream held back a lake 3,000 feet deep, containing 200 cubic miles of water. When the ice dam suddenly ruptured, all life and land downstream was devastated.
by William CorlissCatastrophic Flood Dynamic Database
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Thanks george76. |
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“Mammoth Floods”
Sounds pretty hairy!
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