Hedges, R. Methodological issues in the 14 C dating of rock paintings. Radiocarbon, 40 1 Include files Advanced Search Browse. START BASKET 0 Tools. ITEM ACTIONS EXPORT. Add to Basket. Local Tags Release History Details Summary. Methodological issues in the 14 C dating of rock paintings Hedges, R. Genre : Journal Article. Files show Files hide Files : BGC File Permalink :. Name : BGC Description :. OA-Status :. Visibility : Restricted Max Planck Institute for Biogeochemistry, MJBK. Technical Metadata :. Copyright Date :. Copyright Argentina dating :. License :. Locators show. Creators show hide Creators : Hedges, R. Content show hide Free keywords argentina dating Organic-carbon Human blood Art Oxidation Earth sciences. Abstract : Chemical and isotopic analyses have been made of pigment samples from two separate rock art sites in Argentina. The purpose of the study has been to establish the feasibility of extracting carbonaceous material from the samples which will permit reliable radiocarbon dates for the time of painting. The two sites, Catamarca and Rio Negro, present quite different problems. Most of the paper is concerned with Catamarca, and here we have shown that the paint pigments contain very little or no organic binder; but they do contain calcium oxalate derived from local cacti, and calcium carbonate derived probably from local plant ash. We describe a method to purify carbon extracted from the calcium oxalate, and present the dates obtained on both components. We show that, though rare, natural deposits containing both calcium oxalate and calcite do occur, but that they are very distinct in both C and C compositions; and we argue that they are very unlikely to contaminate the pigments to such an extent that the C dates are altered. For the Rio Negro site we show that the ground for the paint pigments contains argentina dating derived from fires burnt inside the cave, and discuss how analytical methods provide information to develop a strategy for extracting material, from both ground and pigment, for more reliable dating. Details show hide Language s :. Dates : Date issued: Publication Status : Issued. Pages :. Publishing info :. Table of Contents :. Type :. Identifiers : Other: BGC Degree :. Event show. Legal Case show. Argentina dating information show.
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