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Tharsis
Huelva, Spain
Main commodities: S Cu Zn Pb


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The Tharsis group of more than 16 cupriferous pyrite deposits in Huelva, Spain, are similar to those at Rio Tinto and La Zarza [See the Rio Tinto entry for geological setting].   Tharsis is 30 km SW of La Zarza.

The Tharsis deposits each contained from 50 000 to 50 Mt of ore that totalled 110 Mt reserves in 1989, spread over a 1.5 km length and to a depth of 270 m.   The largest deposits were Filon Norte [20 Mt], San Guillermo [55 Mt], Sierra Bullones [13 Mt].   These orebodies have different geometries, gangues and sulphur, copper, zinc and lead contents.

Mineralisation bears a close relationship to an east-west volcanic lineament.

For detail see the reference(s) listed below.

The most recent source geological information used to prepare this decription was dated: 1989.    
This description is a summary from published sources, the chief of which are listed below.
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  References & Additional Information
   Selected References:
Chauvet, A., Onezime, J., Charvet, J., Barbanson, L. and Faure, M.,  2004 - Syn- to Late-Tectonic Stockwork Emplacement within the Spanish Section of the Iberian Pyrite Belt: Structural, Textural, and Mineralogical Constraints in the Tharsis and La Zarza Areas: in    Econ. Geol.   v.99, pp. 1781-1792.
Leistel J M, Marcoux E, Thieblemont D, Quesada C, Sanchez A, Almodovar G R, Pascual E, Saez R,  1997 - The volcanic-hosted massive sulphide deposits of the Iberian Pyrite Belt. Review and preface to the Thematic Issue: in    Mineralium Deposita   v33 pp 2-30
Leistel J M, Marcoux E, Deschamps Y,  1997 - Chert in the Iberian Pyrite Belt: in    Mineralium Deposita   v33 pp 59-81
Mathur R, Ruiz J, Tornos F  1999 - Age and sources of the ore at Tharsis and Rio Tinto, Iberian Pyrite Belt, from Re-Os isotopes: in    Mineralium Deposita   v34 pp 790-793
Pasava J, Vymazalova A and Tornos F,   2007 - PGE distribution in massive sulfide deposits of the Iberian Pyrite Belt : in    Mineralium Deposita   v42 pp 309-314
Sanchez-Espana J, Velasco F, Boyce A J, Fallick A E  2003 - Source and evolution of ore-forming hydrothermal fluids in the northern Iberian Pyrite Belt massive sulphide deposits (SW Spain): evidence from fluid inclusions and stable isotopes: in    Mineralium Deposita   v38 pp 519-537
Soriano C, Marti J  1999 - Facies analysis of volcano-sedimentary successions hosting massive sulfide deposits in the Iberian Pyrite belt, Spain: in    Econ. Geol.   v94 pp 867-882
Tornos F,  2006 - Environment of formation and styles of volcanogenic massive sulfides: The Iberian Pyrite Belt: in    Ore Geology Reviews   v28 pp 259-307
Tornos F, Gonzalez Clavijo E, Spiro B,  1997 - The Filon Norte orebody (Tharsis, Iberian Pyrite Belt): a proximal low-temperature shale-hosted massive sulphide in a thin-skinned tectonic belt: in    Mineralium Deposita   v33 pp 150-169
Tornos F, Solomon M, Conde C and Spiro B F,  2008 - Formation of the Tharsis Massive Sulfide Deposit, Iberian Pyrite Belt: Geological, Lithogeochemical, and Stable Isotope Evidence for Deposition in a Brine Pool: in    Econ. Geol.   v103 pp 185-214


Porter GeoConsultancy Pty Ltd (PorterGeo) provides access to this database at no charge.   It is largely based on scientific papers and reports in the public domain, and was current when the sources consulted were published.   While PorterGeo endeavour to ensure the information was accurate at the time of compilation and subsequent updating, PorterGeo, its employees and servants:   i). do not warrant, or make any representation regarding the use, or results of the use of the information contained herein as to its correctness, accuracy, currency, or otherwise; and   ii). expressly disclaim all liability or responsibility to any person using the information or conclusions contained herein.

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