Forearc Basin Analysis of the Late Jurassic-Early Cretaceous Eugenia Formation; New Mapping and Provenance Analysis in the Northern Vizcaino Penninsula, Baja California Sur Christopher Kohel M.S. Candidate Department of Geological Sciences San Diego State University The Late Jurassic-Early Cretaceous Eugenia Formation represents an enigmatic part of the Vizcaino Peninsula forearc stratigraphy. Eugenia sub-basins on the Vizcaino Peninsula are broadly correlative to the Jurassic forearc...

Paleoseismology of the Southern Clark Strand of the San Jacinto Fault Zone, Southern California Michael Buga M.S. Candidate Department of Geological Sciences San Diego State University Advisors Dr. Tom Rockwell We present results from a new paleoseismic trench site on the Clark strand of the San Jacinto Fault Zone in Clark Lake, western Salton Trough, southern California. The trench results suggest that most late Holocene slip along the Clark fault at Clark Lake is localized within a...

New Insights Into The Relationship Between Fault Segmentation And Earthquake Rupture: The North Anatolian Fault, Turkey Gulsen Ucarkus Post-doctoral Researcher Scripps Institution of Oceanography -------------------------------------------------------------------------------- Strike-slip faults are often segmented by step-overs resulting in a variety of deformation styles such as constraining bends, releasing bends and rotational deformation. These step-overs or discontinuities...

Cataclysms on the Columbia, the Great Missoula Floods Scott Burns Department of Geology Portland State University One of the greatest set of geological events to ever have occurred in North America was given the name, the Missoula Floods. The floods originated when an ice dam broke in upper Idaho liberating waters impounded in back of it in Montana, scouring out large sections of eastern Washington and the lower Columbia River drainage basin. The talk will focus on the incredible story...

The Enigmatic Satellites of Saturn Gary Peterson Professor Emeritus Department of Geological Sciences San Diego State University Saturn, everyone's favorite planet, is the second-largest of the outer giant gas planets and has the lowest density (0.7) of any planet. The others gas planets are about 1.5. In addition, Saturn has the largest satellite (Titan) in the Solar System. Titan is about the same size as Mercury of the inner Solar System. How can this be? It is suggested that...

Geochemical assessment of mixing advanced treated wastewater and groundwater in the Harmony Grove Basin, Southern California Anthony Fisher ABSTRACT The Harmony Grove basin aquifer is located in San Diego California. This location is being sought after by the Rincon del Diablo Municipal Water District for storage of advanced treated wastewater (ATW). After storage, pumping of groundwater is proposed for potable reuse. The project consultant sampled and analyzed groundwater chemical...

Growth Dynamics in the Intertidal Barnacle Megabalanus: Development of a Subseasonal Paleoceanographic Archive Julio F. Morin ABSTRACT The arthropod Megabalanus coccopoma is indigenous to coastal Baja California, but migrated up to San Diego due to an El Nino event in the early 80s (Newman and McConnaughey 1987). Megabalanus dates back to the Miocene (Doyle et al. 2007) is a useful local indicator of exposure and submergence intervals due to their feeding habits which correlates to...

Paleodepth reconstruction through the Pennsylvanian Finis Shale of Texas: Insights from brachiopod oxygen isotopes Leah Carrigan ABSTRACT The Upper Pennsylvanian Finis Shale occurs within the Graham Formation of the Cisco Group and represents a mud-dominated environment along the eastern shelves of the sub-equatorial Midland Basin (Pierce et al., 2010). In a representative section of the Finis Shale, Forcino et al. (2010) documented a fundamental decrease in the abundance and biomass...

The Geochemical Characteristics of the lower Miocene Volcanic and Epiclastic Unit, Picacho State Recreation Area, SE California

Rachel Errthum

The West Bullion-Mesquite Lake Fault Step-Over: Assessment and Comparison With Faults of the Eastern California Shear Zone, Twenty-Nine Palms Marine Corps Base, California Kaitlin Wessel ABSTRACT Twenty-nine Palms Marine Corps Base is positioned in a step-over region between the West Bullion Fault and Mesquite Lake Fault. Both of these belong to a series of transform faults located in the Mojave Desert called the Eastern California Shear Zone (ECSZ) that trends northwest to southeast....