No CrossRef data available.
Published online by Cambridge University Press: 26 February 2011
Hundreds of large, shaped and perforated amber beads excavated from two Middle Sicán elite shafttombs at Huaca Loro on the northern coast of Peru represent the first scientifically documented case of amber use in prehispanic South America. Amber was highly valued and formed a key component of Sicán sumptuary good production. This paper describes the analytical procedures and archaeological and botanical background for source identification and cultural understanding of amber beads found on pectorals, necklaces and gold alloy objects. Samples were initially identified by XRD and FT-IR microscopy, followed by a more detailed and conclusive analysis using pyrolysis GC-MS. Radiocarbon dating points to a minimum age of 50,000 years. Results were compared with amber from known sources in the New World. Various lines of evidence suggest that the amber was derived from a heretofore unknown source, probably an ancient species of Hymenaea, possibly related to H. oblongifolia (family Leguminosae) occurring today in upper Amazonia.