San Marcos

Information

ID Other ID Type Subtype Uncal BP (years) ± 1 σ (years) Median cal BP (years) Lower cal BP (years) Upper cal BP (years) δ13C Contaminated?
AA-3311 MacroSample cob 4700 110 5422 5650 5053 No
AA-3310 MacroSample cob 4600 60 5314 5570 5050 No
AA-3306 MacroSample cob 4150 50 4689 4830 4530 No
AA-3304 MacroSample cob 4680 50 5410 5581 5311 No
AA-3305 MacroSample cob 4700 60 5434 5584 5315 No
AA-3315 MacroSample cob 1560 45 1457 1538 1354 No

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References Cited

Long, A., B. F. Benz, D. J. Donahue, A. J. T. Jull and L. J. Toolin
    1989    First Direct AMS Dates on Early Maize from Tehuacán, Mexico. Radiocarbon 31(3):1035-1040.

Mangelsdorf, P. C., R. S. MacNeish and W. C. Galinat
    1967    Prehistoric Wild and Cultivated Maize. In The Prehistory of the Tehuacan Valley, Volume 1.  Environment and Subsistence, edited by D. S. Byers, pp. 178-200. University of Texas Press, Austin.