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Radiocarbon dating of buried trees and climate change in west-central Oklahoma

Davis, O.K. and Kaimei, D. and Dean, J.S. and Parks, J. and Kalin, R. (1995) Radiocarbon dating of buried trees and climate change in west-central Oklahoma. Radiocarbon, 37 (2). pp. 611-614. ISSN 0033-8222

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Abstract

Eleven radiocarbon dates and tree-ring analyses of 3 juniper logs demonstrate the potential for C-14 analysis of buried logs in the American Midwest. Three junipers (cf. Juniperus virginiana) were recovered from 9.20, 10.50, and 10.60 m in the fill of Carnegie Canyon, west-central Oklahoma, Their C-14 ages are calibrated between 3300 and 2800 yr ago. A negative correlation of tree rings and Delta(14)C (p = 0.013) supports the findings of Schmidt and Gruhle (1988), who demonstrate the association of global cooling with reduced solar activity.