A lead isotope database for copper mineralization along the Guadalquivir River Valley and surrounding areas

The Guadalquivir River Valley constitutes the main geographic environment for the earliest development of political structures in the South of the Iberian Peninsula. The inception of Cu-metallurgy over the millennia 4th to 2nd BC in this region coincides with the rise of social complexity as well as...

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Published inJournal of Iberian geology Vol. 47; no. 1-2; pp. 411 - 427
Main Authors Sáez, R., Nocete, F., Gil Ibarguchi, J. I., Rodríguez-Bayona, M., Inacio, N., Quispe, D., Rodríguez, J., Zalduegui, J. F. Santos
Format Journal Article
LanguageEnglish
Published Cham Springer International Publishing 01.05.2021
Springer Nature B.V
Subjects
Copper
Earth and Environmental Science
Earth Sciences
Exploitation
Geology
Isotopes
Metallurgy
Mineral resources
Mineralization
Research Paper
Rivers
Structural Geology
Guadalquivir River
Southern Iberian Peninsula
Cu-metallurgy
Sur de la Península Ibérica
Lead isotopes
España
Portugal
metalurgia del Cu
Spain
Database
Isótopos de plomo
yacimientos minerales
base de datos
Ore deposits
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Summary:The Guadalquivir River Valley constitutes the main geographic environment for the earliest development of political structures in the South of the Iberian Peninsula. The inception of Cu-metallurgy over the millennia 4th to 2nd BC in this region coincides with the rise of social complexity as well as the strategic control of the territory based on the command of the supply of mineral resources. One of the main tools in the study of metallurgical processes and goods movement is the analysis of metal provenance by means of Pb isotope composition. This study includes 98 new Pb isotope analyses performed on Cu mineralizations, many of them with archaeological evidence of exploitation by the first metallurgical societies. The results provided here represent a substantial complement to those presented in published databases and allow for a better discrimination of potential sources for raw material supply of minerals used in the metallurgical processes. The existence of uncertainties introduced by the overlapping of Pb-isotope signatures of Cu-ores obtained from different geological contexts and presence of radiogenic Pb in a number of samples is pointed out.
ISSN:1698-6180
1886-7995
DOI:10.1007/s41513-020-00151-y