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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/35936

Title: Mineralogy and mineral chemistry of precious metals of the Cu-Au mineralisation at the Palai-Islica deposit, Almería, SE Spain
Authors: Carrillo-Rosúa, Javier
Morales-Ruano, Salvador
Fenoll Hach-Alí, Purificación
Issue Date: Aug-2001
Abstract: The Au-Cu mineralisation of Palai-Islica is hosted within strongly hydrothermally altered calc-alkaline rocks of the Cabo de Gata-Cartagena volcanic belt. Mineralisation is related to subhorizontal levels (named levels A, B, C and D, from bottom to top). Au and Cu are economically the most important elements, with Ag also being of potential interest. The Au-bearing phases of the Palai-Islica deposits are restricted to Au-Ag alloys (present at levels A, B and C) and native gold (found only at level D). The Ag-bearing minerals in levels A, B and C are fahlore, Au-Ag alloys, Ag-Bi-Pb sulphosalts, Ag sulphides, Ag tellurides, collomorphic pyrite, and galena. Within level D, the only significant values of Ag are found in some collomorphic pyrite. As deduced from textural studies and chemical features of different mineral phases, the noble metals at levels A, B and C evolved from Au-rich to Ag-rich as time progressed. Level D is a gold-rich silver-poor level and is apparently not connected with the genesis of the rest of the deposit
Sponsorship: Universidad de Granada. Departamento de Mineralogía y Petrología
Grupo de Investigación de la Junta de Andalucía RNM-0131.
Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR)
The research has also been supported by the project Nº PB 97-1211 and the RNM 0131 Research Group of Junta de Andalucía.
Publisher: Balkema
Description: El capítulo de libro ha sido publicado en los “Proceedings of the sixth biennial SGA meeting”
Keywords: Mineralizaciones metálicas
Ore mineralization
Silver
Plata
Precious metals
Metales preciosos
Epitermal
Epithermal
URI: http://hdl.handle.net/10481/35936
ISBN: 9789026518461
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Carrillo-Rosúa, F.J.; Morales-Ruano, S.; Fenoll Hach-Alí, P. Mineralogy and mineral chemistry of precious metals of the Cu-Au mineralisation at the Palai-Islica deposit, Almeria, SE Spain. In: Piestrzyñski, A. et al., (eds.), Mineral deposits at the beginning of the 21st century: 6thn Biennal SGA-SEG Meeting, August 26-29, 2001, Kraków, Poland. Rotterdam: A.A. Balkema, 2001. pp. 715-718. [http://hdl.handle.net/10481/35936]
Appears in Collections:DDCE - Capítulos de Libros

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