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8803 - New investigations on environmental changes and cultural manifestations during the Transition between Late Pleistocene and Early Holocene on Northern Zacatecas, Mexico

The archaeology, geology and ancient environments of Pleistocene in Mexico are poorly known and the data accumulated during the last six or seven decades comes mainly from investigations derived from casual discoveries or projects focused on specific sites, and is very regionalized. The research resumed in this paper is the core of a doctoral investigation still undergoing. It has been planed as an intent to conduct a systematic search for both the earliest human occupation and Pleistocene/Holocene transition stratigraphic markers in a region that had not previously provided any kind of information on any of these aspects, an experiment meant to explore the posiblities of finding indicators of the Transition between the two Quaternary periods without counting with any previous help or guiding information but scientific approach, systematization and tenacity. The first field season developed in the endorreic basin of Concepcion del Oro, Zacatecas, during the second half of 2010, and it consisted only in surface explorations, managing to identify 34 archaeological and paleontological sites, a few of them showing potential Paleo-american occupation, as well as stratigraphy that rose new hypothesis and research directions. The second field season, still undergoing at the moment of the submission of this abstract, developed during the second half of year 2011 and focused on the excavation and testing of four sites chosen among those discovered during the previous season, each of them of a different type: one open camp, one rockshelter, one fossilized Pleistocene pond and one cave.

Keywords: Pleistocene, Holocene, archaeology, paleoclimatic

Author: Ardelean, Ciprian F. (University of Exeter, United Kingdom/Ver Königr)

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