期刊
ORE GEOLOGY REVIEWS
卷 137, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.oregeorev.2021.104279
关键词
Pb isotopes; Ore deposits; Iberian Peninsula; Balearic Islands; Database; Archaeometry
资金
- Spanish Ministry of Economy, Industry and Competitiveness
- European Regional Development Fund [MINECO/ERDF CGL2015-63530-P]
- UPV/EHU [GIU15/05]
The use of Pb isotope data for geological research and archaeology studies has proved to be useful, although complete datasets including mineralogical and geological information are requested. The IBERLID database contains information from nearly 3000 samples and provides an online interactive tool for data search, comparison, and analysis.
Although sometimes controversial, the use of Pb isotope data in geological research of ore deposits and metal provenance studies in archaeology has proved a useful tool for investigation of the relations between ore sources and raw materials used by humans. Users of this kind of information have often asked for complete datasets that would include not only numerical values of isotope ratios but also mineralogical and geological information about the samples analysed so as to allow for conscientious data comparison. The IBERLID database here presented has been designed to include available information for nearly 3000 samples from the Iberian Peninsula and Balearic Islands in a unique, complete to the extent possible, upgradable dataset using standardized variables. This allows to compare data and establish groups based upon isotopic ratios, mineralogy and other geological characteristics of the samples. The database is available through an online interactive public tool (www.ehu.eus/ibercron/iberlid) that provides for data search, comparison and graphics design, and may be furthermore exported for enhanced statistical treatment. By direct use of the proposed standardized variables, the compiled results allow to discern among 3 main mineralization events within the Iberian realm, while interpolation of Pb isotope data allow to draw the first maps of model age, mu and kappa parameters. The problem of radiogenic lead in some compiled data requires additional analyses of elemental concentrations, which so far has been generally neglected.
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