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| University of Georgia Radiocarbon Laboratory | |
|---|---|
| Name | University of Georgia Radiocarbon Laboratory |
| Established | 1964 |
| Type | Research laboratory |
| Parent | University of Georgia |
| Location | Athens, Georgia |
| Director | William H. (placeholder) |
| Focus | Radiocarbon dating, archaeology, paleoclimatology, geology, biochemistry |
University of Georgia Radiocarbon Laboratory is a research facility at the University of Georgia in Athens, Georgia that specializes in radiocarbon measurement, sample preparation, and chronological analysis. The laboratory serves investigators across archaeology, paleoclimatology, geomorphology, forensic science, and ecology, providing radiocarbon dates that inform studies from Native American sites to Holocene climate reconstructions. The facility interacts with federal agencies, museums, and international research teams to support interdisciplinary projects.
The laboratory traces its origins to radiocarbon initiatives at the University of Georgia during the 1960s, when investigators engaged with pioneers such as Willard Libby-era developments and collaborations with the National Science Foundation and the Smithsonian Institution. Over decades the lab adapted through connections with Columbia University accelerator facilities and exchanges with laboratories at Lawrence Livermore National Laboratory and University of Arizona, reflecting broader shifts from gas proportional counting to accelerator mass spectrometry and cross-institutional calibration efforts involving the International Radiocarbon Conference and archives like the Radiocarbon journal. Institutional milestones include upgrades funded through grants from the National Institutes of Health and partnerships with regional museums such as the Georgia Museum of Natural History.
Physical infrastructure at the Athens campus includes dedicated cleanrooms, combustion suites, acid-base-acid (ABA) pretreatment setups, and sealed-tube facilities comparable to those at University of Oxford and University of California, Irvine. Sample preparation lines support CO2 extraction and graphitization for subsequent measurement on accelerator mass spectrometers at partner facilities like the Center for Applied Isotope Studies and national chronometry centers including Woods Hole Oceanographic Institution and Lamont–Doherty Earth Observatory. Analytical capabilities are augmented by gas proportional counters, liquid scintillation counters, and contamination-control systems inspired by protocols from Oxford Radiocarbon Accelerator Unit and ETH Zurich. Archive storage for reference standards mirrors practices at the National Institute of Standards and Technology.
The laboratory offers pretreatment protocols such as ABA, cellulose extraction, and humic removal adapted from methods used at University College London, McMaster University, and University of Arizona. For charcoal, bone, shell, peat, and sediment samples the lab employs collagen extraction techniques aligned with criteria developed by researchers at University of Groningen and University of Bern. Chronometric services include conventional radiocarbon dating, AMS target production, blank assessment, and reservoir correction informed by studies from Scripps Institution of Oceanography and NOAA. Calibration services reference the IntCal curves established by international consortia and tie into dendrochronological frameworks from Harvard University and University of Arizona Laboratory of Tree-Ring Research.
Research programs link faculty and students from departments including Department of Anthropology, University of Georgia, Department of Geology, University of Georgia, and regional partners such as the Chattahoochee-Oconee National Forest projects and the Ocmulgee National Monument. Collaborative studies have connected the lab with investigators at Yale University, University of Cambridge, University of Florida, and Brown University on topics ranging from Late Pleistocene chronology to Holocene sea-level change. Interdisciplinary grants have been awarded in partnership with agencies including the National Science Foundation and the National Endowment for the Humanities, and collaborations extend to museum conservation labs at the Metropolitan Museum of Art and the American Museum of Natural History.
The laboratory contributed dates to major regional syntheses such as chronologies for Mississippian culture sites, coastal reconstructions tied to Atlantic hurricane histories, and peatland records used in IPCC-linked paleoclimate assessments. Its datasets supported publications in journals alongside work from colleagues at Cornell University, University of Michigan, and Dartmouth College. The lab played roles in provenance studies involving artifacts curated by the Peabody Museum of Archaeology and Ethnology and conservation assessments for collections at the Atlanta History Center and the State Botanical Garden of Georgia.
Educational activities include training workshops for students and professionals modeled on courses run at Smithsonian Institution and summer schools affiliated with the European Radiocarbon Summer School. The lab hosts internships for undergraduates from the University of Georgia and outreach programs with K–12 partners, regional museums, and the Society for American Archaeology. Faculty and staff contribute to curriculum in the School of Environmental, Conservation, and Restoration and supervise graduate theses that intersect with programs at the Center for Tropical and Emerging Global Diseases and the Institute of Archaeology.