U-Pb dating of zircon: A sourcing method for pottery from La Morena archaeological site,north-west Colombia* |
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| Authors: | M Weber V Valencia J Caballero B Villada A Cardona F Iizuka |
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| Institution: | 1. Departamento de Geociencias y Medio Ambiente, Universidad Nacional de Colombia, Carrera 80 # 65-223, Medellín, Colombia;2. Department of the Environment, Washington State University, Pullman, WA, 99164 USA;3. Herrenknecht AG, Schlehenweg 2, D-77963 Schwanau-Allmannsweier, Germany;4. Grupo Estudios del Territorio GET, Instituto de Estudios Regionales INER, Universidad de Antioquia, Cl. 67 #53-108 Medellín, Colombia;5. Departamento de Procesos y Energía, Universidad Nacional de Colombia, Carrera 80 # 65-223, Medellín, Colombia;6. School of Social Sciences, Humanities and Arts, University of California Merced, Merced, CA, USA |
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| Abstract: | U-Pb zircon radiometric dating and petrographic thin-section analysis were used for provenance identification of Ferrería and Marrón Inciso pottery styles from La Morena archaeological site in northwestern Colombia. U-Pb dating was applied to zircons recovered from pottery and rock samples from nearby geological units. The results suggest at least three distinct sources: the metamorphic rock unit on which the archaeological site is located, a granodiorite unit that outcrops further away from the site, and a mafic rock that cannot be attributed with certainty. U-Pb in zircons proved to be effective as a provenance method, where ages of the possible source rocks are well constrained, and can be applied to areas where traditional sourcing methods may be problematic. |
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| Keywords: | U-Pb in zircon petrography provenance pre-Hispanic pottery Colombia |
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