Ancient Maize Map

Information

ID: 379
Other ID: UCR-3418
Type: MicroSample
Subtype: phytolith
Site: Aguadulce
Depositional context: artifact

Maize phytoliths associated with milling stones in Zone B (Piperno and Pearsall 1998). This zone was later AMS-dated with a sample of sediment phytoliths (different from the maize phytoliths associated with the tools)(Piperno et al. 2000) -- see starch grain sample associated with this date.

Radiocarbon Date

Lab number: UCR-3418
Dating method: AMS
Directly dated: No
Dated material: phytoliths (aggregated from sediments)
Contaminated?: No
Lower cal BP (years): 4967
Median cal BP (years): 4804
Upper cal BP (years): 4584
Uncal BP (years): 4250
± 1 σ (years): 60
δ13C:

Attached Files

References Cited

Piperno, D. R.
2009 Identifying crop plants with phytoliths (and starch grains) in Central and South America: A review and an update of the evidence. Quaternary International 193(1/2):146-159.

Piperno, D. R. and D. M. Pearsall
1998 Origins of Agriculture in the Lowland Neotropics. Academic Press, San Diego.

Piperno, D. R., A. J. Ranere, I. Holst and P. Hansell
2000 Starch Grains Reveal Early Root Crop Horticulture in the Panamanian Tropical Forest. Nature 407:894-897.

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