RESEARCH ADVANCE
New Evidence of the Date of Abandonment of the Plazuelas Archaeological Site in Guanajuato, Mexico through Archaeomagnetic Dating of a Burned Floor
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Juan Morales, Carlos Castañeda, Efraín Cárdenas & Avto Goguitchaichvili • español
Abstract.
The results of the archaeomagnetic dating of a burned floor from the archaeological site Plazuelas, Guanajuato, Mexico, are presented.
The lack of an absolute date for the age of abandonment of the site, which is detailed in ethnohistorical accounts, as well as the lack of carbon remains conclusively associated with this stage, led to the implementation of an alternative method.
The age obtained in this study, most likely representing the floor’s last exposure to fire, is quite consistent with the available archaeological evidence for the site’s date of abandonment.
A subsequent exposure to fire (either natural or anthropogenic) would not likely yield a combination of three magnetic parameters that would converge around the estimated period of abandonment of the site under study.
Keywords: Burned floors, Archaeomagnetic dating, Plazuelas archaeological site, Guanajuato, Mexico.
Reference:
Morales, J., C. Castañeda, E. Cárdenas & A. Goguitchaichvili. 2015. Nuevas evidencias sobre la edad de abandono del sitio arqueológico Plazuelas (Guanajuato, México) mediante la datación arqueomagnética de un piso quemado. Arqueología Iberoamericana 28: 40-45.
http://www.laiesken.net/arqueologia/archivo/2015/28/6. PURL: http://purl.org/aia/286. Publication date: 22 October 2015.
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