publication . Article . 2003

Estudio de la composición isotópica del Pb en galenas del distrito minero de Linares-La Carolina (Jaén, España)

García de Madinabeitia, S.; Santos Zalduegui, José Francisco; Larrea Bilbao, F. J.; Carracedo Sánchez, Manuel; Gil Ibarguchi, José Ignacio;
Open Access Spanish; Castilian
  • Published: 01 Jan 2003
  • Publisher: Sociedad Geológica de España
Abstract
New lead Isotope results for twenty-four galenas of the Linares-La Carolina mining district (Jaén, Spain) are reported. While two.mineralization types, one near Linares (where filons with low Ag content crosscut the Linares and/or Guadalén-Arquillos plutons) and another at La Carolina (Ag-rich filons cut the Santa Elena granite or its host-rocks) may be distinguished, the Pb isotopic compositions of the galenas from both areas are similar and very homogeneous: mPbl204Pb = 18.236 ± 0.036, 207Pb/204Pb = 15.615 ± 0.014 and 208Pb/204Pb = 38.347 ± 0.046, giving a model age of 324 ±18 Ma. These results are very different from the Pb isotopic compositions and model age...
Subjects
free text keywords: Lead isotope, Galena, Linares-La Carolina, Los Pedroches
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