Optically stimulated luminescence (OSL) dating and stream profile analysis were used to evaluate the main structural elements controlling the formation of San Timoteo Badlands topography. Stream profiles from 16 streams were created using light detection and ranging (LiDAR) and GPS data, providing new 1 meter-resolution stream profiles along the badlands. Ten new OSL dates from sediments of elevated surfaces preserved east and adjacent to the Claremont fault provide five new vertical displacement rates along the badlands. OSL dates and stream profile analysis suggest that basin subsidence within the Casa Lorna pull-apart basin is the main factor controlling the formation of San Timoteo Badlands topography, and that there is currently little uplift in the northern portion. of the badlands.
|School:||California State University, Long Beach|
|School Location:||United States -- California|
|Source:||MAI 52/06M(E), Masters Abstracts International|
|Keywords:||Active faulting, Active tectonics, Geology, Geomorphology, San jacinto, Tectonic geomorphology|
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