GEOLOGY

SESSION I: 8:00

C114

Chairperson: Randall L. Nydam

8:00-8:20 *VEGETATION CHANGE AND HUMAN OCCUPATION AT LA 162, NEW MEXICO.
Nicole M. Arendt (University of Arizona, Tucson, AZ)

8:20-8:40 *THE HOLOCENE VEGETATION RECORD FROM PETRIFIED FOREST NATIONAL PARK, ARIZONA: A POLLEN PERSPECTIVE.
John M. Logan (University of Arizona, Tucson, AZ)

8:40-9:00 *A RECORD OF VEGETATION CHANGE FROM ROCK SHELTER IN CHACO CULTURE NATIONAL HISTORIC PARK, NEW MEXICO.
John M. Logan (University of Arizona, Tucson, AZ)

9:00-9:20 *FOSSIL LIZARDS OF THE RED OWL LOCALITY, SOUTH DAKOTA.
Joanna Wigfield (Grand Canyon University, Phoenix, AZ)

9:20-9:40 PRELIMINARY POLLEN ANALYSIS OF SENTENAC CIENEGA, SAN DIEGO CO., CA.
Owen K. Davis and Chris Eastoe (University of Arizona, Tucson, Az), Jared Aldern (The Land Conversation, Ranchita, CA) and Norrie Robbins (San Diego State University, San Diego, CA)

9:40-10:00 A LATE HOLOCENE POLLEN STRATIGRAPHIC RECORD OF GRAZING IMPACTS FROM A ROCK FISSURE AT WUPATKI NATIONAL MONUMENT, AZ.
Kenneth L. Cole (USGS, Flagstaff AZ), Jessa Fisher and Kirsten Larsen (Northern Arizona University, Flagstaff, AZ).

10:00 - 10:30 COFFEE BREAK, FOYER

10:30-10:50 SEVERE LATE PLEISTOCENE CLIMATE FLUCTUATIONS IN THE GRAND CANYON MEASURED USING PLANT CONTENT AND STABLE ISOTOPES FROM PACKRAT MIDDENS.
Kenneth L. Cole (USGS, Flagstaff AZ) and Samantha Arundel (Northern Arizona University, Flagstaff, AZ).

10:50-11:10 LACERTILIANS FROM THE SMOKY HOLLOW MEMBER OF THE STAIGHT CLIFFS FORMATION (TURONIAN), SOUTHERN UTAH
Randall L. Nydam (Midwestern University, Glendale, AZ)

11:30 - 1:40 LUNCHEON, ANNUAL BUSINESS MEETING AND AWARDS: UNLV DINNING COMMONS