Sturzstroms: Large Volume, High Velocity, Killer Debris Flows

Saturday, March 9, 2019, 9 a.m. to noon

Where: Steele Burnand Anza-Borrego Desert Research Center, 401 Tilting T Drive, Borrego Springs | get directions

Cost: Free

Age limit: All ages

Split Mountain Gorge has world-class exposures of two huge sturzstrom deposits. One flowed along the ground in latest Miocene time, the second flowed along the sea floor in earliest Pliocene time. The two sturzstrom deposits look identical within their bodies, but there are marked differences in their bottoms and tops. We will talk about truly unique features on Friday that should leave you full of doubts. On Saturday, we will go to Split Mountain Gorge and do what geologists do best – look at the rocks and discuss their origin in the field. In 1996, Pat led a South Coast Geological Society field trip there with 275 geologists in attendance. All participants began with massive doubts, but they left with new perspectives. Join Pat Abbott, Emeritus Professor SDSU for the lecture and field trip.


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