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T6. New Constraints on the Evolution of the Southern T15. Petrology, Geochemistry, and Structure of Cordilleran
California Bight: Understanding Diffuse Plate Boundaries Batholiths through Space and Time. Cosponsored by GSA
across Multiple Scales from Laboratory and Numerical Mineralogy, Geochemistry, Petrology, and Volcanology
Models to Field Observations. Drake Singleton, San Diego Division; GSA Structural Geology & Tectonics Division.
State Univ. and Scripps Institution of Oceanography, Madeline J. Lewis, California Institute of Technology,
dsinglet@ucsd.edu; Boe Derosier, Scripps Institution of mjlewis@caltech.edu; Claire E. Bucholz, California Institute
Oceanography, bderosie@ucsd.edu. of Technology, cbucholz@caltech.edu; Jade Star Lackey,
Pomona College, JadeStar.Lackey@pomona.edu; Juliet Ryan-
T7. Integrated Subduction Zone Systems: Advances in Davis, California Institute of Technology, jrd@caltech.edu.
Understanding Landscape Evolution, Deformation, and
Tectonics. Melanie Michalak, Humboldt State Univ., melanie T16. Metamorphic Processes in Cordilleran Arc Systems.
.michalak@humboldt.edu; Francis Sousa, Oregon State Univ., Joshua Schwartz, California State Univ. Northridge,
francis.sousa@oregonstate.edu; Rebecca Dorsey, Univ. of Joshua.schwartz@csun.edu; Jade Star Lackey, Pomona
Oregon, rdorsey@uoregon.edu. College, JadeStar.Lackey@pomona.edu.

T8. Exhumation and Uplift of the Sierra Nevada and T17. Sediment Stories: Utilizing Sediment to Understand and
Tehachapi Mountains. Ann Blythe, Occidental College, Document the Processes That Shape Earth’s Surface. Joe
ablythe@oxy.edu; Jeffrey Lee, Central Washington Univ., Carlin, California State Univ. Fullerton, jcarlin@fullerton.edu;
jeff@geology.cwu.edu. Andrew Gray, Univ. of California Riverside, agray@ucr.edu.

T9. The Enigmatic Late Cretaceous–Paleogene Tectonic T18. From Coasts to Deserts to Mountains: What Can the Past
Evolution of the Southwestern USA. Richard V. Heermance, Tell Us about California’s Future? Matthew E. Kirby,
California State Univ. Northridge, richard.heermance@ California State Univ. Fullerton, mkirby@fullerton.edu;
csun.edu; Scott Johnston, Cal Poly San Luis Obispo, Elizabeth Fard, Univ. of California Los Angeles, ellyfard@
scjohnst@calpoly.edu; John Singleton, Colorado State Univ., gmail.com; Jessie George, Univ. of California Los Angeles,
John.Singleton@colostate.edu. jmgeorge@ucla.edu; Jiwoo Han, Univ. of California Los
Angeles, hjsing@ucla.edu; Kathleen Johnson, Univ. of
T10. Quaternary Volcanism in California. Seth Burgess, U.S. California Irvine, kathleen.johnson@uci.edu; Glen Sproul
Geological Survey, sburgess@usgs.gov; Jorge Vazquez, dit MacDonald, Univ. of California Los Angeles, glen@
U.S. Geological Survey, jvazquez@usgs.gov; Andrew Calvert, geog.ucla.edu.
U.S. Geological Survey, acalvert@usgs.gov.
T19. Hydrology and Hydrogeology of Arid and Semi-Arid
T11. Impacts of Arc Activity on the Rheology of the Lithosphere Regions. M. Hassan Rezaie Boroon, California State Univ.
across Convergent Margins. Snir Attia, Univ. of Southern Los Angeles, mrezaie@calstatela.edu.
California, sattia@usc.edu; Katie Ardill, Univ. of Southern
California, kardill@usc.edu; Tarryn Cawood, Univ. of T20. Hydrogeology (Posters). Barry Hibbs, California State Univ.
Southern California, cawood@usc.edu; William Schmidt, Los Angeles, bhibbs@calstatela.edu; M. Hassan Rezaie
Univ. of Southern California, wlschmid@usc.edu. Boroon, California State Univ. Los Angeles, mrezaie@
calstatela.edu.
T12. Igneous Minerals as Capsules of Length and Time-Scale
Information for Magma Processes in Magma Plumbing T21. Geoscience in the Two-Year-College (2YC) Community:
Systems. Cosponsored by GSA Mineralogy, Geochemistry, Sharing Successes, Growing Pains, and Lessons Learned.
Petrology, and Volcanology Division. Vali Memeti, California Elizabeth Nagy, Pasadena City College, eanagy-shadman@
State Univ. Fullerton, vmemeti@fullerton.edu; Cal Barnes, pasadena.edu; Martha House, Pasadena City College,
Texas Tech Univ., cal.barnes@ttu.edu. mahouse@pasadena.edu; Tania Anders, Mt. San Antonio
College, tania.anders@mtsac.edu.
T13. Magma Emplacement from Arcs to Outcrops: Patterns,
Processes, and Rates across Multiple Scales. Cullen Scheland, T22. Celebrating Indigenous Voices and Perspectives in
Univ. of Southern California, scheland@usc.edu; Scott Paterson, Geoscience. Diamond Tachera, Univ. of Hawaiʻi at Mānoa,
Univ. of Southern California, paterson@usc.edu. diamondt@hawaii.edu; Brytne Okuhata, Univ. of Hawaiʻi at
Mānoa, bokuhata@hawaii.edu; Jennifer Wong-Ala, Oregon
T14. Magmatic Rates, Processes, and Spatiotemporal Evolution State Univ., wongalaj@oregonstate.edu.
of Arc Activity. Katie Ardill, Univ. of Southern California,
kardill@usc.edu; Barbara Ratschbacher, California Institute of T23. Professional Pathways within the Geosciences.
Technology, ratschba@gps.caltech.edu; Scott Paterson, Univ. Jennifer Wilson, Six Rivers Geosciences, jwilson@
of Southern California, paterson@usc.edu; Cullen Scheland, sixriversgeosciences.com.
Univ. of Southern California, scheland@usc.edu; Ana
Martinez-Ardila, Loma Linda Univ., anmartinez@llu.edu.

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