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Preceramic maize from Paredones and Huaca Prieta, Peru.
Grobman A, Bonavia D, Dillehay TD, Piperno DR, Iriarte J, Holst I. Grobman A, et al. Among authors: piperno dr. Proc Natl Acad Sci U S A. 2012 Jan 31;109(5):1755-9. doi: 10.1073/pnas.1120270109. Epub 2012 Jan 17. Proc Natl Acad Sci U S A. 2012. PMID: 22307642 Free PMC article.
The cultural and chronological context of early Holocene maize and squash domestication in the Central Balsas River Valley, Mexico.
Ranere AJ, Piperno DR, Holst I, Dickau R, Iriarte J. Ranere AJ, et al. Among authors: piperno dr. Proc Natl Acad Sci U S A. 2009 Mar 31;106(13):5014-8. doi: 10.1073/pnas.0812590106. Epub 2009 Mar 23. Proc Natl Acad Sci U S A. 2009. PMID: 19307573 Free PMC article.
One of the sites excavated, the Xihuatoxtla Shelter, contains well-stratified deposits and a stone tool assemblage of bifacially flaked points, simple flake tools, and numerous handstones and milling stone bases radiocarbon dated to at least 8700 calendrical years B.P. As reporte …
One of the sites excavated, the Xihuatoxtla Shelter, contains well-stratified deposits and a stone tool assemblage of bifacially flaked poin …
40 results