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T11. Impacts of Arc Activity on the Rheology of the Litho- California Los Angeles, hjsing@ucla.edu; Kathleen Johnson,
sphere across Convergent Margins. Snir Attia, Univer- University of California Irvine, kathleen.johnson@uci.edu;
sity of Southern California, sattia@usc.edu; Katie Ardill, Glen Sproul dit MacDonald, University of California Los
University of Southern California, kardill@usc.edu; Tarryn Angeles, glen@geog.ucla.edu.
Cawood, University of Southern California, cawood@usc
.edu; William Schmidt, University of Southern California, T19. Hydrology and Hydrogeology of Arid and Semi-Arid
wlschmid@usc.edu. Regions. M. Hassan Rezaie Boroon, California State Univer-
sity Los Angeles, mrezaie@calstatela.edu.
T12. Igneous Minerals as Capsules of Length and Time-Scale
Information for Magma Processes in Magma Plumbing T20. Hydrogeology (Posters). Barry Hibbs, California State
Systems. Cosponsored by GSA Mineralogy, Geochemistry, University Los Angeles, bhibbs@calstatela.edu; M. Hassan
Petrology, and Volcanology Division. Vali Memeti, Califor- Rezaie Boroon, California State University Los Angeles,
nia State University Fullerton, vmemeti@fullerton.edu; Cal mrezaie@calstatela.edu.
Barnes, Texas Tech University, cal.barnes@ttu.edu.
T21. Geoscience in the Two-Year-College (2YC) Community:
T13. Magma Emplacement from Arcs to Outcrops: Patterns, Sharing Successes, Growing Pains, and Lessons Learned.
Processes, and Rates across Multiple Scales. Cullen Elizabeth Nagy, Pasadena City College, eanagy-shadman@
Scheland, University of Southern California, scheland@ pasadena.edu; Martha House, Pasadena City College,
usc.edu; Scott Paterson, University of Southern California, mahouse@pasadena.edu; Tania Anders, Mt. San Antonio
paterson@usc.edu. College, tania.anders@mtsac.edu.

T14. Magmatic Rates, Processes, and Spatiotemporal Evolu- T22. Celebrating Indigenous Voices and Perspectives in Geosci-
tion of Arc Activity. Katie Ardill, University of Southern ence. Diamond Tachera, University of Hawaiˈi at Mānoa,
California, kardill@usc.edu; Barbara Ratschbacher, Cali- diamondt@hawaii.edu; Brytne Okuhata, University of
fornia Institute of Technology, ratschba@gps.caltech.edu; Hawaiˈi at Mānoa, bokuhata@hawaii.edu; Jennifer Wong-
Scott Paterson, University of Southern California, paterson@ Ala, Oregon State University, wongalaj@oregonstate.edu.
usc .edu; Cullen Scheland, University of Southern Califor-
nia, scheland@usc.edu; Ana Martinez-Ardila, Loma Linda T23. Professional Pathways within the Geosciences.
University, anmartinez@llu.edu. Jennifer Wilson, Six Rivers Geosciences, jwilson@
sixriversgeosciences.com.
T15. Petrology, Geochemistry, and Structure of Cordilleran
Batholiths through Space and Time. Cosponsored by T24. Convergence of Earth, Data, and Behavior Science.
GSA Mineralogy, Geochemistry, Petrology, and Volcanol- Beth Weinman, Fresno State University, bweinman@
ogy Division; GSA Structural Geology and Tectonics csufresno.edu; Criss Wilhite, Fresno State University,
Division. Madeline J. Lewis, California Institute of Tech- crissw@csufresno.edu.
nology, mjlewis@caltech.edu; Claire E. Bucholz, Califor-
nia Institute of Technology, cbucholz@caltech.edu; Jade T25. Undergraduate Research (Posters). Cosponsored by the
Star Lackey, Pomona College, JadeStar.Lackey@pomona Council on Undergraduate Research (CUR)–Geological Sci-
.edu; Juliet Ryan-Davis, California Institute of Technology, ences. Jeff Marshall, Cal Poly Pomona, marshall@cpp.edu.
jrd@caltech.edu.
FIELD TRIPS
T16. Metamorphic Processes in Cordilleran Arc Systems. Trip registration will open in February 2020. For additional
Joshua Schwartz, California State University Northridge, information, please contact the Field Trip chairs: Richard
Joshua.schwartz@csun.edu; Jade Star Lackey, Pomona Heermance, richard.heermance@csun.edu, and Joshua
College, JadeStar.Lackey@pomona.edu. Schwartz, joshua.schwartz@csun.edu.

T17. Sediment Stories: Utilizing Sediment to Understand and Recent Advancements in Geochronology, Geologic Mapping,
Document the Processes That Shape Earth’s Surface. and Landslide Characterization in Basement Rocks of the
Joe Carlin, California State University Fullerton, jcarlin@ San Gabriel Mountains Block. Jonathan Nourse, Cal Poly
fullerton.edu; Andrew Gray, University of California River- Pomona, janourse@cpp.edu; Brian Swanson, California
side, agray@ucr.edu. Geological Survey, Brian.Swanson@conservation.ca.gov;
Nicolas Barth, University of California Riverside, nic.barth@
T18. From Coasts to Deserts to Mountains: What Can the ucr.edu; Joshua Schwartz, California State University
Past Tell Us about California’s Future? Matthew E. Kirby, Northridge, joshua.j.schwartz@gmail.com.
California State University Fullerton, mkirby@fullerton
.edu; Elizabeth Fard, University of California Los Angeles, Tectonic and Magmatic Evolution of Salinian and Nacimiento
ellyfard@gmail.com; Jessie George, University of California Blocks, Central Coastal California. Cosponsored by GSA
Los Angeles, jmgeorge@ucla.edu; Jiwoo Han, University of Structural Geologic and Tectonics Division; GSA Geochronology

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