Presentations

*undergraduate student coauthor

**graduate student coauthor

2016, December

American Geophysical Union Annual Meeting, San Francisco, CA.

Aranda**, A.N., J. CARLIN, B.P. RHODES, M.E. KIRBY, R.J. Leeper**, R. Smith . Salt marsh response and recovery to coseismic subsidence.

Cortez*, D., J. CARLIN. Recent sedimentation along the mudflats of an urban estuary.

Floyd, J.G., S.R. Beeler, R.A. Mors, E.A. Kraus, E.A., International Geobiology Course 2016, O. Piazza, C.M. Frantz, S.J. LOYD, W. Berelson, B.S. Stevenson, P.J. Marenco, J.R.  Spear, F.A. Corsetti.  2016. Assessing the biological contribution to mineralized cap formation in the Little Hot Creek hot spring system.

LOYD, S.J., M.N. Smirnoff**, A.K. Tripati. 2016. Clumped isotope compositions of authigenic carbonate recovered from cored marine sediments.

McGuffin**, A., J. CARLIN, T. Dellapenna. Establishment of Brazos River flood event layer proxies for paleoclimate reconstruction and flood layer preservation on the Texas continental shelf.

Medina, F., V.V. Russell, J. Feyhl-Buska, F. Sonderholm, S.J. LOYD, R.S. Shapiro, M.R. Rosen, B.W. Stamps, V. Petryshyn, H. Johnson, J.R. Spear, F.A. Corsetti. 2016. Assessing the biogenicity of tufas and their potential as biosignature repositories.

Prokopenko, M., F.A. Corsetti, R.R. Gaines, S.J. LOYD, A. Cordova, W. Berelson. 2016. The nitrogen cycle under changing redox conditions during late Neoproterozoic: the Ediacaran nitrate revolution?

Sandoval, A.**, S.J. LOYD. 2016. Geochemistry of phosphatic-shales and associated authigenic minerals of the Miocene Monterey Formation: Implications for paragenetic evolution.

Smirnoff, M.N.**, S.J. LOYD. 2016. Carbonate geochemistry of marine authigenic carbonates and host sediments: Exploring mineral formation pathways and organic preservation potential in modern sediments.

Stamps, B.W., V. Petryshyn, H. Johnson, W. Berelson, H.S. Nunn,  B.S. Stevenson, S.J. LOYD, R.S. Oremland, L.G. Miller, M.R. Rosen,  F.A. Corsetti, J.R. Spear 2016. The biogeography of endorheic soda lakes in the western United States.

2016, October

Society of Vertebrate Paleontology Meetings, Salt Lake City, UT

Garibay*, A., J.F. PARHAM, and J. Velez-Juarbe. New species of the stem seal Allodesmus from the middle miocene Topanga Formation of Orange County.

Santos**, G.-P., J.F. PARHAM, M. Barboza*, B.N. Kussman*, J. Velez-Juarbe. New records of terrestrial and marine mammals from the Oso Sand Member, Capistrano Formation, Orange County, California.

Shahbazi*, S., I. Magallanes*, J.F. PARHAM, R.W. Boessenecker. Fossil walrus skulls from the empire formation of Oregon represent a new lineage from the late Miocene and support a significant late Miocene radiation of odobenids.

2016, October

A.A.P.G. Pacific and Rocky Mountain Joint meeting, Las Vegas, NV

Arita*, A., V. MEMETI, L. Flores* . Examining the geochemical relationships between the Twentynine Palms and Queen Mountain plutons in Joshua Tree National Park.

Chavez*, E., V. MEMETI, N. McMillan, H. Thompson. Testing the Mojave - Snow Lake fault hypothesis using laser induced breakdown spectroscopy.

Flores*, L., V. MEMETI, A. Arita*. Using K-feldspar megacrysts as recorders of magma processes in the Twentynine Palms and Queen Mountain plutons in Joshua Tree National Park.

Gutierrez*, E., V. MEMETI . Investigating the volcanic-plutonic connections using geochemistry in the Minarets caldera, eastern central Sierra Nevada mountain range.

Kennis*, G.G., J.R. KNOTT, J.S. Lackey. X-ray fluorescence (XRF) analysis of Ubehebe Hills and related basalts, Northern Death Valley, California.

2016, September

G.S.A. annual meeting, Denver, CO

Addison, J., V. Scwartz, J. CARLIN, A. Wagner. Developing a portable xrf method for coastal marine sediment core scanning: an example from the monterey bay continental shelf.

Aranda**, A.N., J. CARLIN, B.P. RHODES, M.E. KIRBY, R.J. Leeper**, R. Smith . Utilizing coastal wetland stratigraphy to identify paleoseismic events and characterize marsh response and recovery to seismically-induced sea level rise in southern california

Ardill, K.E., S.R. Paterson, V. MEMETI , Linked Cretaceous plutonic-hypabyssal-volcanic fields in the central Sierra Nevada, California: A plutonic view beneath focusing volcanic systems.

Arita*, A., V. MEMETI, L. Flores* . Examining the geochemical relationships between the Twentynine Palms and Queen Mountain plutons in Joshua Tree National Park.

Barth, A.P., J.L.Wooden, K. Tani, M. Coble, D. CLEMENS-KNOTT , C.E. Jacobsen, N. Riggs, K. Surpless, J. Shukle. Zircon trace element composition space in plutonic and volcanic arcs: implications for zircon provenance and magmatic arc evolution.

CARLIN, J., J. Addison, A. Wagner, J.A. Barron, V. Schwartz, A. Avalos* . Variability in modern sedimentation along the central california continental shelf: investigating anthropogenic and climatic drivers in impacting shelf stratigraphy.

Ditmar*, J.M., and N. BONUSO. A paleoecology of pleistocene oyster beds, San Pedro, California.

Duccini**, K.M., D. CLEMENS-KNOTT. Olivine-plagioclase-pyroxene cumulates associated with the hornblende-rich Summit Gabbro: early stages of differentiation within the Late Jurassic Sierra Nevada Arc.

Flores*, L., V. MEMETI, A. Arita* . Using K-feldspar megacrysts as recorders of magma processes in the Twentynine Palms and Queen Mountain plutons in Joshua Tree National Park.

Gutierrez, E.P.*, E. Bowman, S. Medynski, C. Busby, M. López Martínez, T. Niemi, V. Salgado Muõz. Miocene volcanism in the Santa Rosalia region, Gulf of California, Baja California: nature of the arc-to-rift transition and possible role of rift-triggered adakite magmatism in generating boleo stratiform CU-CO-ZN sulfides.

Gutierrez, J.A., N. BURSZTYN . Yosemite: teaching the impacts of climate change through a virtual field trip.

Han*, A., J. Flores. Folding as a possible indicator of subsurface paleozoic faulting, central Tennessee.

Helfrich, A.L., V.C. Smith*, S.G. Williams, E. Scwat, I. Thompson, N. lang, C. Miller. A field-based and remotely sensed perspective of mafic intrusions within Meadow Creek basin, southern Black Mountains, NW AZ.

Jackson*, D.O., N. BURSZTYN . Playing in the sand: the ar sandbox as an interactive topographic lesson.

Jordan, L.M., E. Wan, S. Starratt, A. Deino, L.C. Walkup, J.R. KNOTT. Using tephrochronology, 40AR/39AR, ostracods, and diatoms to date and reconstruct the environment of an early Pleistocene time-slice of Waucoba Lake, Inyo County, California, USA.

KNOTT, J.R., M. Machette, E. Wan, R. Klinger, J.C. Liddicoat, A.M. Sarna-Wojcicki, R.J. Fleck, A.L. Deino, J.W. Geissman, J.L.Slate, D.B. Wahl, B. Wernicke, S. Wells, J.C. Tinsley, J. Hathaway**, V.M. Weamer*. Late Neogene-Quaternary tephrochronology, stratigraphy and paleoclimate of Death Valley, CA, U.S.A.

Kutcher*, M.M. E. Scott. First record of Equus occidentalis from Orange County, California, with implications for the Late Pleistocene distribution of Equus in the American Southwest.

Mistretta*, T., J. Estrada*, D. CLEMENS-KNOTT, A.P. Barth, J.L. Wooden. Using zircon trace element signatures to evaluate the nature of Middle to Late Jurassic magmatism within the Sierra Nevada Arc.

Nachbor, A.C., P. Wetmore, L.A. Owen, J.R. KNOTT, S. Xie. Constraining slip rates on the Towne Pass fault, northern Death Valley National Park, California

Patterson*, S., R. McKay*, V. MEMETI . Locating the volcanic source rock of prehistoric cogged stones from Southern California.

Petcovic, H.L., L. Tinigin, N. BURSZTYN, N. Ladue. Pixels: comparing classroom-based and field-based learning to investigate students’ concepts of pixels and sense of scale.

Smith*, V., S.G. Williams, A.L. Helfirch, C.F. Miller, M.L. Foley, J.W. Cribb. Geochemical and petrographic relations between mafic intrusions in Post-Peach Spring Tuff deposits in the southern Black Mountains, Meadow Creek basin, near Oatman, Arizona.

Werts, K., C.G. Barnes, V. MEMETI . Recognizing distinct magmas and discerning magmatic processes using hornblende trace element variability from the Tuolumne Intrusive complex.

Wiitablake*, L.M., N. BURSZTYN . Manageable molecular mineralogy: developing a user-friendly interactive mineralogy game for mobile devices.

Williams**, D.R., V. MEMETI, K. Werts, M.A. Barnes, C.G. Barnes. Significance of the hornblende population diversity in the margins of the Kuna Crest lobe, Tuolumne Intrusive Complex, Sierra Nevada, CA.
Williams, S.G., V.C. Smith*, A.L. Helfrich, B.M. Wallrich, C.F. Miller. Effects of mafic intrusion on tuffaceous host rock, Meadow Creek basin, Black Mountains, AZ: field, geochemical, and petrologic evidence regarding formation of a glassy border facies.

2016, May

Southern California Geobiology Symposium, Pasadena, CA.

Caesar**, K., R. Kyle, T. Lyons, S.J. LOYD. Sulfate-dependent anaerobic oxidation of methane as a generation mechanism for calcite cap rock in Gulf Coast salt domes, USA.

Sandoval**, A., S.J. LOYD. Geochemistry of phosphatic-shales and associated authigenic minerals of the Miocene Monterey Formation: Implications for paragenetic evolution.

Hardisty, D., Z. Lu, A. Bekker, B. Gill, G. Jiang, L. Kah, A. Knoll, S.J. LOYD, M. Osburn, N. Planavsky, P. Swart, X. Zhou, C. Diamond, T. Lyons. Iodine constraints on Proterozoic shallow ocean redox and their biological implications.

2016, April

Geological Society of America Cordilleran Sectional Meeting, Ontario, CA.

Adler*, M., J.F. PARHAM, G.-P. Santos**, Constraining the age of the Eocene Talega Bonebed through microfossil vertebrate index taxa.

Aranda**, A., J. CARLIN, B. RHODES, M. KIRBY . Investigating the evolution of Southern California salt marshes: a facies model to understand the influence of seismic events on environmental resiliency and sustainability.

Ardill**, K.E., S.R. Paterson*, V. MEMETI. Temporal, spatial and geochemical magmatic focusing of plutonic and volcanic fields in the central Sierra Nevada, California.

Arita*, A., V. MEMETI, L. Flores*. Examining the geochemical relationships between the Twentynine Palms and Queen Mountain plutons in Joshua Tree National Park.

Attia**, S., S.R. Paterson*, W. Cao, V. MEMETI, J. Saleeby, A.D. Chapman, G. Dunne, C. Stevens. Evaluating detrital zircon provenance of pre-Mesozoic strata in the Sierra Nevada, eastern California. 

Avila*, M., A.D. WOODS. Major, minor, and trace element analysis of the Montney Formation, Peace River Embayment (Eastern Alberta, Canada) following the Permian-Triassic Mass Extinction.

Barboza*, M., J.F. PARHAM, B.N. Kussman, Vertebrate paleontology and revised age of the Oso Sand Member, Capistrano Formation, Orange County.

Beach**, A.M., A.D. WOODS. A taphonomic, stratigraphic, and geochemical analysis of middle Miocene cetacean bonebeds from the Topanga Formation, Western San Joaquin Hills, Orange County, California.

BURSZTYN , N., A. Walker, B. Shelton, J. Pederson. Bringing Grand Canyon to the campus quad: assessment of student motivation and student learning in the geosciences through virtual field trips for mobile smart-devices.

Caesar**, K.H., J.R. Kyle, T.W. Lyons, and S.J. LOYD. 2016, Sulfate-dependent Anaerobic Oxidation of Methane as a Generation Mechanism for Calcite Cap Rock in Gulf Coast Salt Domes

CARLIN, J., J. Addison, A. Wagner, J. Barron. Modern Sedimentation on the Central California Continental Shelf.

Chen**, N.A., D. CLEMENS-KNOTT . U-Pb detrital zircon comparison of western Sierra Nevada metamorphic pendants with the Golconda allochthon: Implications for the pre-Mesozoic assembly of central California.

Chou, C. Y., A.D. WOODS. A Paleoenvironmental And Ichnologic Analysis Of The Upper Mississipian Portion Of The Rest Spring Shale Of Inyo County, California.

CLEMENS-KNOTT . D., M.L. Gevedon**, A.J. Ianno, K.M. Duccini**. Reconstructing the record of Jurassic arc magmatism, Kern Plateau, Sierra Nevada.

Ditmar*, J.M., M. Kutcher*, M., B. Rue*, N. BONUSO. The paleoecology of Pleistocene oyster beds, San Pedro, California.

Duccini**, K., D. CLEMENS-KNOTT . Olivine-plagioclase-pyroxene cumulates associated with the hornblende-rich Summit Gabbro: a rare view of differentiation within the Late Jurassic Sierra Nevada arc.

Garibay*, A., J.F. PARHAM, J. Velez-Juarbe. New material of the stem seal Allodesmus from the Topanga Formation of Orange County.

Hernandez**, E.L., N. BONUSO . A paleoecological study of the middle and late Triassic within Favret and American Canyon, west-central Nevada.

Hugh*, C.R., A. Garcia*, J.R. KNOTT, E. Wan, M.N. Machette. Manly deposits at Three Bare Hills, Park Service Ridge, NPS 5/190 Junction and Mud Canyon, Death Valley, California.

Kato*, J.K., A.J. Case*, J.R. KNOTT, J.S. Lackey. Geochemical investigation of Neogene basalts of the Horse Thief Hills region, NW of Death Valley: Implications for initiation of Basin and Range extension.

KNOTT, J.R. Tectonic geomorphology of the western Black Mountains and Black Mountains Fault Zone, Death Valley, California.

Law*, N., V. MEMETI, P. Lipman. Using geochemistry to establish the connection between dacites and rhyolites of the Bonanza Tuff, San Juan Volcanic Field, CO.

** Leeper, R., B. RHODES, M. KIRBY , K. Scharer, E. Hemphill-Haley, S. Starratt, J. CARLIN. Abrupt subsidence in the Seal Beach Wetlands, Southern California.

Lowery*, J. S., V. MEMETI, S.R. Paterson. The importance of fractional crystallization in forming the compositional variation in the northeastern Cathedral Peak lobe in Yosemite National Park. 

Macias*, A., A.D. WOODS. Trace Elemental Analysis of Productivity and Oxygenation Conditions within the Western Canada Sedimentary Basin following the Permian-Triassic Extinction. 

Magallanes*, I., J.F. PARHAM, R.W. Boessenecker. The most complete fossil walrus from southern California provides insights on patterns of walrus diversity through time.

Martinez**, A.M., B.L. Clausen, S.R. Paterson*, V. MEMETI. Petrochemistry and magma chamber processes of the Peruvian Coastal batholith granites in the northern part of the Arequipa segment.

McKay*, R., S. Patterson*, V. MEMETI, C. Cortez*. Search for the source of cogstones in southern California.

MEMETI, V., Burchill**, S., Paterson*, S.R . Significance of crystal mixing in the Tuolumne Intrusive Complex.

Patterson*, S., R. McKay*, V. MEMETI, S. James. Locating the volcanic source rock of prehistoric cogged stones from southern California: were they carved from El Modena and Santa Rosa basalts?

Ramirez*, A.E., J.R KNOTT, J.S. Pigati, J. Bright, J.C. Nekola. Pluvial lake deposits of Deep Springs Valley, California.

Reynolds, L., A. Simms, J. CARLIN. Sedimentary record of recent flood events from Sauces Canyon, Santa Cruz Island, California.

Santos**, G.-P., J.F. PARHAM Description of the sedimentology and taphonomy of the late Uintan Talega Bonebed from Orange County, California.

Shellhorn*, A.I., P.A. ARMSTRONG. Evaluation of the Big Pine Volcanic Field contact relationships along the Sierra Nevada frontal fault zone north of Goodale Creek in Owens Valley, California.

Steever*, R., K. Pickett*, N.A. Chen**, D. CLEMENS-KNOTT . Evaluating a potential connection between the Late Jurassic-Early Cretaceous Osa Creek ring complex and the Blackrock andesite, southern Sierra Nevada, CA..

Titular*, J.N., P.A. ARMSTRONG. Determining the nature of the contact between the eastern Sierra Nevada mountain front and the Big Pine Volcanic Field south of Goodale Creek in Owens Valley, California.

Williams*, D.R., V. MEMETI. Significance of the compositional heterogeneity in the Kuna Crest unit of the eastern margin of the Tuolumne Intrusive Complex, Sierra Nevada, CA.

WOODS, A. D., W. Pilesky. Upper Ordovician – Lower Silurian Carbonates From the Southwestern United States Indicate Long-Term Global Cooling but a Short-term Gondwanan Glaciation.

2016, February

Ocean Sciences Meeting, New Orleans, LA.

Aranda**, A., J. CARLIN, B. RHODES, M. KIRBY . 2016. Investigating the Evolution of Southern California Salt Marshes: A Facies Model to Understand the Influence of Seismic Events on Environmental Resiliency and Sustainability.

CARLIN, J., J. Addison, A. Wagner, J. Barron. Decadal-Scale Changes to the Central California Coastal Ocean Recorded in Shelf Sediments.