Ancient Maize Map

Information

ID: 694
Other ID: AA-86934
Type: MacroSample
Subtype: cob
Site: Paredones
Depositional context: house
Condition: charred
Pottery type:
Vessel form:

This charred cob sample was recovered from Unit 22, floor 6, at a depth of 1.2 m below the surface (Grobman et al. 2011:1756). It has a very low stable δ13C value (−13.4), suggesting it might be contaminated, though it is just within the 2 sigma range for all of the samples in this database.

Radiocarbon Date

Lab number: AA-86934
Dating method: AMS
Directly dated: Yes
Dated material: charred maize
Contaminated?: No
Lower cal BP (years): 4825
Median cal BP (years): 4681
Upper cal BP (years): 4531
Uncal BP (years): 4181
± 1 σ (years): 34
δ13C: -13.4

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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