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22–25 SEPTEMBER  PHOENIX, ARIZONA, USA

Scientific Field Trips

Trip descriptions and leader bios are online at community.geosociety.org/gsa2019/learn/field.

2. Pluton Construction in the Sierra Nevada Viewed Using the 10. Journey to the Grand Canyon: A Geologic and
StraboSpot Field Data System. Wed.–Sat., 18–21 Sept. Hydrologic Excursion across Arizona’s Magnificent
Cosponsors: GSA Structural Geology and Tectonics Division; Heartland. Fri.–Sat., 20–21 Sept. Leaders: Wayne Ranney;
GSA Mineralogy, Geochemistry, Petrology, and Volcanology Marvin Frank Glotfelty.
Division. Leaders: Allen F. Glazner, University of North Carolina;
Basil Tikoff; John M. Bartley; Greg M. Stock; Drew S. Coleman. 12. Middle Proterozoic Rocks of the McDowell Mountains,
Arizona, USA—Journey into the Magmatic Gap. Sat., 21 Sept.
3. What Is the Age of the Mazatzal Orogeny? Evidence for Cosponsor: McDowell Sonoran Conservancy. Leader: Steve
Mesoproterozoic ca. 1.47–1.45 Ga Regional Deformation in Skotnicki.
the Type Area of the Mazatzal Orogeny. Thurs.–Fri.,
19–20 Sept. US$235. Cosponsors: GSA Structural Geology 13. An Educator’s Look at Phoenix-Area Geology. Sat., 21 Sept.
and Tectonics Division; GSA Mineralogy, Geochemistry, Cosponsors: National Association of Geoscience Teachers
Petrology, and Volcanology Division. Leaders: Michael F. Doe, (NAGT); NAGT Geo2YC Division; National Earth Science
MF Doe Geoscience LLC. Teachers Association (NESTA). Leaders: Callan Bentley, North
Virginia Community College; Merry Wilson, Scottsdale
5. Unraveling Volcanic and Related Processes Using Remotely Community College; Carla McAuliffe; Aida Awad.
Sensed Data Sets: Perspectives from a Miocene-Aged Volcanic
Terrain in Northwest Arizona. Thurs.–Sat., 19–21 Sept. 14. Tectonic Development of the Colorado Plateau Transition
Cosponsor: GSA Planetary Geology Division. Leaders: Nicholas Zone, Central Arizona: Insights from Lower Crustal and
P. Lang, Mercyhurst University; Susanne McDowell; Cole A. Mantle Xenoliths and Volcanic Host Rocks. Sat., 21 Sept.
Nypaver; Briana D. Li-Vidal; Brandt M. Gibson. US$260. Cosponsors: GSA Geochronology Division; GSA
Mineralogy, Geochemistry, Petrology, and Volcanology Division;
6. Volcanology and Associated Hazards of the San Francisco GSA Structural Geology and Tectonics Division. Leaders: Alan D.
Volcanic Field. Thurs.–Sat., 19–21 Sept. Leaders: Nancy Riggs, Chapman, Macalester College; Nancy Riggs; Mihai N. Ducea.
Northern Arizona University; Michael H. Ort; Charles Connor;
Fabrizio Alfano; Michael Conway. 15. The Co-Evolution of Verde Valley and the Verde River,
Central Arizona. Sat., 21 Sept. Cosponsor: GSA Quaternary
7. Back to the Jurassic: Architecture of Eolian and Wadi Geology and Geomorphology Division. Leaders: Philip A.
Facies of a Coastal Dune Field, Carmel Formation, and Pearthree; P. Kyle House; Kelin Whipple; Joseph P. Cook.
Seismites, Navajo Sandstone, Grand Staircase–Escalante
National Monument and Paria Wilderness, Kane County, 16. Geoarchaeology of Prehistoric Agriculture, Soils, and
Southwest Utah. Wed.–Fri., 18–20 Sept. Cosponsor: Pacific Floodplain Dynamics on the Lower Salt and Middle Gila
Section SEPM (Society for Sedimentary Geology). Leaders: Mario Rivers, Arizona. Sat., 21 Sept. Leaders: Gary Huckleberry,
V. Caputo, San Diego State University; Thomas B. Anderson. University of Arizona; Kyle Woodson; Jonathan Sandor.
8. Exploring Arizona Earth Fissures: An 17. Lava and Pyroclastic Flows of the Miocene Goldfield-
Anthropogenic Geologic Hazard. Fri., 20 Sept. Leaders: Superstition Volcanic Province, Central Arizona. Sat., 21 Sept.
Lorraine K. Carnes, Arizona State University; Joseph P. Cook. US$120. Cosponsors: GSA Mineralogy, Geochemistry, Petrology,
Volcanology Division; Arizona Geological Society; Cereris
9. Classic Springs and Karst Systems of Northern Resource Development (Ft. Worth, Texas). Leaders: R.V. Fodor,
Arizona. Fri.–Sat., 20–21 Sept. Cosponsors: GSA Hydrogeology North Carolina State University; Michael T. Mohr; Brian A.
Division; GSA Karst Division. Leaders: Abraham E. Springer, Dombroski.
Northern Arizona University; Benjamin W. Tobin.

INDUSTRY TRACKS Look for these icons, which identify sessions in the following areas:

Economic Geology Engineering Hydrogeology and
Environmental Geology

www.geosociety.org/AnnualMeeting 59