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Annotated geology of Red Canyon upstream of mega-landslide in Grand Canyon Supergroup by Brian Gootee. Landslide is on left side of picture and slid to the east (right) some time during the Pleistocene (last 2.8 million years). From Brian Gootee's observations, 'I think it blocked Red Canyon, piled up alluvial fans on the back side, then cut through it where there is a boulder (mansion-size boulders) field downstream of landslide toe. As far as I can tell the fan is Pleistocene but soil development is not obvious.' George Billingsley of the US Geological Survey first identified the landslide.
Cedar Canyon, MP8 Landslide Complex, Iron County - Utah Geological Survey
Landslide along fire road in Runyon Canyon due to heavy rains, Los Angeles, CA Stock Photo - Alamy
Massive landslide damages Kennecott's Bingham Canyon Mine
A Closer Look: Geology of the 'Train Wreck' on South Kaibab Trail (U.S. National Park Service)
Travertine mound in Big Canyon, Arizona, Page 6
Ancient landslide destroyed area size of Cincinnati
Road trip to Red Bluff, Grand Canyon of Mississippi
Cedar Canyon, MP8 Landslide Complex, Iron County - Utah Geological Survey
Geologists revisit giant Zion landslide - BBC News
