Micro sample 377


Maize phytoliths were recovered from milling stones (edge ground cobbles) in the lower levels of Zone C (Piperno and Pearsall 1998). These samples were indirectly dated by AMS dated phytoliths recovered from sediments surrounding the tools (Piperno et al. 2000).

Radiocarbon Date

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., 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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