Ancient Maize Map

Information

ID: 687
Other ID: SALF-X4(17)-CR63
Type: MicroSample
Subtype: starch grain
Site: Santa Ana-La Florida
Depositional context: midden

Sonia Zarrillo (2012) recovered 16 maize starch grains from a charcoal sample scraped from the charred residues adhering to a ceramic sherd. The sherd was recovered from a midden deposit (X4(17) at the site. A portion of the charred residue was AMS radiocarbon dated, giving a direct date for the maize starch.

Radiocarbon Date

Lab number: Beta-312078
Dating method: AMS
Directly dated: Yes
Dated material: organic residue on pottery
Contaminated?: No
Lower cal BP (years): 5271
Median cal BP (years): 4979
Upper cal BP (years): 4861
Uncal BP (years): 4450
± 1 σ (years): 30
δ13C: -14.4

Attached Files

References Cited

Zarrillo, Sonia
2012 Human Adaptation, Food Production, and Cultural Interaction During the Formative Period in Highland Ecuador. Unpublished Ph.D. dissertation, Department of Archaeology, University of Calgary, Calgary.

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