Ancient Maize Map

Information

ID: 696
Other ID: AA-86938
Type: MacroSample
Subtype: cob
Site: Paredones
Depositional context: midden
Condition: uncharred
Pottery type:
Vessel form:

Unit 20 stratum 5-6, at about 2.0 m below surface. Because this sample is very recent relative to the many other dates obtained from this deposit, the excavators reject it, along with Beta-263322 obtained on another uncharred cob nearby (Grobman et al. 2011:1756).

Radiocarbon Date

Lab number: AA-86938
Dating method: AMS
Directly dated: Yes
Dated material: uncharred maize
Contaminated?: No
Lower cal BP (years): 1058
Median cal BP (years): 985
Upper cal BP (years): 932
Uncal BP (years): 1130
± 1 σ (years): 27
δ13C: -11.2

Attached Files

References Cited

Grobman, Alexander, Duccio Bonavia, Tom D. Dillehay, Dolores R. Piperno, José Iriarte and Irene Holst
2011 Preceramic Maize from Paredones and Huaca Prieta, Peru. Proceedings of the National Academy of Sciences, U.S.A. 109(5):1755–1759.

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