Date of Award

2018

Document Type

Poster Session

Department

Chemistry

Advisor

Nathan Hamilton Ph.D.

Keywords

Malaga Island, Spiller Farms, human habitation, environmental evolution

Abstract

Two archaeological excavations for the University of Southern Maine collected sediment columns from select units for geological and chemical analysis. The Spiller Farms site is a Native American site located in Wells, Maine marking a transition period between the Pleistocene and Holocene epochs, 12,000 BP. The Malaga Island site was a historic mixed-race community at the north end of Casco Bay where sediment columns were obtained in near-shore and subtidal zones. The samples obtained from Malaga Island have been radiocarbon dated to 3800 +/- 30 BP at 23 meters below the low-tide line. X-ray fluorescence (XRF) analysis is being conducted on select samples focusing on changes in concentration of elements indicative of both human habitation and environmental change. The purpose of this research is to document environmental evolution, chronological heritage and to extend to public education the changes in past environments.

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