Society for California Archaeology 2010 Annual Meeting

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Society for California Archaeology Annual Meeting 2010 101 "Recent advances in the science of obsidian hydration have led to significant improvements in obsidian hydration dating. Methods have been published for calculating effective hydration temperature based on temperature-dependent diffusion theory, including the effects of burial depth. Site temperature parameters can be computed from data available on the internet, and the effects of paleotemperature variations estimated. The influence of obsidian intrinsic water concentration is also understood. This poster summarizes the current state of the art in OHDbased chronometrics, with a successful protocol for calculation." ROMAN, Deborah California State University, Northridge M.R. DesLauriers California State University, Northridge Debating Changing Late Holocene Subsistence Strategies: Evidence from Analogies between Central Baja and the Santa Barbara Basin • General Session 5 (Victoria South); Friday, 3:15 PM The Late Holocene port center of Campo Quintero on the central Baja Channel Island of Cedros has demonstrated via faunal analysis some similar foraging trends to those patterns displayed on the Northern Alta California Channel islands as well as intriguing analogues to the development of interaction trading spheres with their mainland counterparts across the Kellett Channel. This study reviews both ethnographic evidence, faunal data analyses and selected local environmental proxies to offer hypotheses for both the similarities and the differences noted between two insular groups: the Huamalguenos and the island Chumash. ROMAN, Deborah California State University, Northridge Cordova, Isabel California State University, Northridge New Proxies for the Late Holocene Environment: Discourse and New Developments for Baja, California and Channel Islands. • General Session 5 (Victoria South); Friday, 3:00 PM A profusion of proxies for the Late Holocene Baja California region regarding environmental conditions exists. This paper summarizes these theoretical ideas and will examine their basis in the on-going debate. New proxies currently in development will be presented. The relation of these proxies and their validity to current theoretical discussion on the debate is paramount. Consideration will be given to these different proxies for the Alta and Baja California regions and a discussion on why these divisions exist will be offered. Integrated into the presentation will be a comparative analysis of the Channel Islands environmental climate using current GIS technology. ROMO, Breeann California State University, Bakersfield See BARTON, Amber ROSENTHAL, Jefferey Far Western Anthropological Research Group, Inc. see WHITAKER, Adrian
102 Society for California Archaeology Annual Meeting 2010 ROTH, Barbara J. University of Nevada, Las Vegas THOMAS, Tiffany University of Nevada, Las Vegas Landscapes and Land Use Along Soda Playa • Symposium 4 (De Anza North); Thursday, 3:30 PM This Paper examines land use along the western shore of Soda Playa in the Mojave Desert using data from recent excavations conducted at the Mojave Delta Site, a Ceramic period processing site located near the point where the Mojave River enters Soda Playa and survey data on Ceramic period occupations along the lakeshore. We explore how Ceramic period occupants in the area use the landscape, documenting mobility strategies that incorporated a number of locales including springs, foothills, and dunes. We then discuss the implications of taking a landscape approach for interpreting prehistoric land use in this portion of the Mojave Desert. ROTH, Morgan Cal Poly San Luis Obispo see CERLES, Erica L. RUMOLD, Claudia University of California, Santa Barbara see EERKENS, ]elmer RUSTON, Rachel California State Parks see SMITH, Erin M. RYAN, Christopher Vandenberg AFB Schumacher's Excavations on the Central Coast for the Smithsonian Institution, 1875 • Symposium 5 (Victoria South); Friday, 8:00 AM The American centennial was celebrated, in part, during an international exhibition in Philadelphia in 1876. To create the exhibit of the American Indian, the Smithsonian's Assistant Secretary, Spencer Baird, directed field agents to collect "objects illustrating the habits, customs, peculiarities and general condition of the various tribes, and also…such relics of their predecessors as may be procurable." Paul Schumacher collected artifacts for Baird on the Central Coast of California, including Vandenberg AFB. These collections were photographed during a recent visit to the National Anthropological Archives. SAMPSON, Michael California State Parks Hole-Punched Molluscan Shells at W-150, San Diego County • Symposium 1 (La Sierra); Thursday, 1:20 PM Molluscan shells, principally scallop, manifesting a single hole are occasionally found at coastal sites. It has been suggested they were worn as decoration in dances or other purposes. One site, W-150 (CA-SDI-5017), has an unusually large assemblage of such shells, and they show a variety of shell sizes and hole shapes. These holes were not made by the octopus or other marine
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