San Pedro Viejo Pichasca


The cave is located on a hillside overlooking the Hurtado River Valley. Rivera (2006:409) discusses the maize and other plant remains from the site.

ID Other ID Type Subtype Uncal BP (years) ± 1 σ (years) Median cal BP (years) Lower cal BP (years) Upper cal BP (years) δ13C Contaminated?
GX-21747 MacroSample cob 1100 50 811 1063 959 No
GX-21748 MacroSample kernel 1025 50 867 964 773 No
AA-84947 MacroSample cob 1076 35 940 1050 811 -11.0 No

Attached Files

View of Pichasca Rockshelter at Google Earth Panoramio, © All Rights Reserved, by Ivan Alfirovic Ramos (

References Cited

Rivera, M. A.
    2006    Prehistoric maize from northern Chile: an evaluation of the evidence. In Histories of Maize: Multidisciplinary Approaches to the Prehistory, Biogeography, Domestication, and Evolution of Maize, edited by J. E. Staller, R. H. Tykot and B. F. Benz, pp. 403-413. Academic Press, Amsterdam.