Time: 12:00 pm til 1:00 pm
Location: UNF Archaeology Lab
Description: Presented by John Krigbaum, PhD, Associate Professor, Department of Anthropology, University of Florida
Advances in technology including mass spectrometry permit fresh insights into past people. Bioarchaeology, the study of human remains in archaeological context, has contributed in substantive ways towards reconstructing past lifeways, and the analysis of stable isotope ratios using tools of mass spectrometry on prehistoric remains have transformed the field. In this talk, I will touch on my work past and present in the tropical rainforests of Southeast Asia, focusing on a variety of isotopes derived from human tooth enamel (e.g., carbon, oxygen, lead, strontium). One advantage of tooth enamel is that it captures a window of time during tooth development that has high resolution, allowing for the interpretation of human behavior with sub-annual precision. Serially sampling tooth enamel along growth layers offers new perspectives of diet and environmental change and permits key questions to be addressed such as the ecological context associated with new modes of food production in Southeast Asia during the mid-Holocene.
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