Burlingame Gulch, about 600 ft above the floor of Wallula Gap, exposes an estimated 39–40 rhythmite layers. Randall Carlson argues they record multiple surges of one giant flood rather than separate Lake Missoula flood events; conventional Touchet Formation interpretations link the rhythmites to repeated Missoula floods. Mount St. Helens ash dated to roughly 12,900–13,000 years old has been found in Yakima Valley deposits. Fascinating layered evidence! 🌋
Randall Carlson argues Burlingame Gulch rhythmites came from one megaflood
Site mentioned
📍 Burlingame Gulch
Key facts
- The Touchet Formation contains roughly 40–62 distinct rhythmites; about 39–40 are reported in the Burlingame Gulch exposure.
- Burlingame Gulch lies about 600 ft above the floor of Wallula Gap.
- Randall Carlson argues the rhythmites record multiple surges within one giant flood rather than separate Lake Missoula flood events; the conventional Touchet interpretation links them to repeated Missoula floods.
- Lake Missoula outflow could back-flood the Pasco and Yakima basins when it exceeded inflow through Wallula Gap; peak discharge through the gap is estimated at about 250–300 million cfs.
- At Tammany Bar, coarse gray Bonnerville gravels and fine buff Missoula silts record opposing flow directions.
- Mount St. Helens ash dated to roughly 12,900–13,000 years old has been found in Yakima Valley deposits and provides a regional age constraint.
- Carlson interprets the Twin Sisters as giant vortex features within the roughly one-mile-wide constriction at Wallula Gap; this is an interpretation, not established fact.
Sources
73050 Burlingame Canyon Stock Videosshutterstock.com
Burlingame Touchet gulch walls show clear rhythmite sediment layers 4K 0:12. Canyon is a man-made accidental erosion event
How Long Does It Take for a Canyon to Form?icr.org
Burlingame Canyon. It measures 1500 feet long, up to 120 feet deep, and 120 feet wide, winding through a hillside. was observed to form in less than six days.
Touchet Formationen.wikipedia.org
The beds consist of more than 40 to 62 distinct rhythmites – horizontal layers of sediment, each clearly demarcated from the layer below. Touchet beds in ...
Geology - Grand Canyon National Park (U.S. ...nps.gov
To look at rock layers, geologists use a diagram called a stratigraphic column. It shows the rock layers with the oldest on the bottom, and the ...
Geology Rocks: Grand Canyon Rock Layersgrandcanyontrust.org
Geology rocks! A simple way to learn and remember the Grand Canyon rock layers. You'll impress your hiking buddies with your geology.
The Layers Are Real: Grand Canyon Geology and the Floodcanyonministries.org
Grand Canyon's sedimentary layers are real, extensive, and ordered. Explore where biblical creation and conventional geology agree and where ...
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