publication . Other literature type . 2006

The Evolution from Late Miocene West Salton Detachment Faulting to Cross-Cutting Pleistocene Oblique Strike-Slip Faults in the SW Salton Trough, Southern California

Steely, Alexander N.;
Open Access
  • Published: 01 May 2006
  • Publisher: DigitalCommons@USU
  • Country: United States
Abstract
Field studies in the southwest Salton Trough between Yaqui Ridge and Borrego Mountain show that the West Salton detachment fault was active during the Pliocene and may have initiated during the latest Miocene. At Yaqui Ridge dominantly east-directed extension is recorded by slickenlines on the NW-striking detachment fault, and shows that the fault is actually a low-angle dextral oblique strike-slip fault. Crustal inheritance is responsible for the position of the fault at Yaqui Ridge, which reactivates a late Cretaceous reverse -sense mylonite zone at map scale. Late Miocene to Pliocene basin fill deposits at Borrego Mountain display progressive unconformities, ...
Subjects
free text keywords: evolution, late, miocene, salton, detachment, faulting, cross-cutting, pleistocene, oblique, strick-slip, faults, salton trough, california, Geology
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DigitalCommons@USU
Other literature type . 2006
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