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Multigenetic origin for the secondary enrichment in the Las Cruces VMS deposit, Iberian Pyrite Belt

Knight, F.C., Rickard, David and Boyce, A.J. 1999. Multigenetic origin for the secondary enrichment in the Las Cruces VMS deposit, Iberian Pyrite Belt. Presented at: 5th Biennial Meeting of the Society for Geology Applied to Mineral Deposits / 10th Quadrennial Symposium of the International Association on the Genesis of Ore Deposits, London, UK, 22-25 August 1999. Published in: Stanley, C.J., Rankin, A.H., Bodnar, R.J., Naden, J., Yardley, B.W.D., Criddle, A.J., Hagni, R.D., Gize, A.P., Pasava, J., Fleet, A.J., Seltmann, R., Halls, C., Stemprok, M., Williamson, B., Herrington, R.J., Hill, R.E.T., Prichard, H.M. and Wall, F. eds. Mineral Deposits: Processes to Processing, Vols 1 and 2. Taylor & Francis, pp. 543-546.

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Abstract

The Iberian Pyrite Belt is a world famous volcanic massive sulphide province with considerable potential for new discoveries. Las Cruces, a hidden, secondary enriched volcanic massive sulphide deposit, was discovered beyond the conventional limits of the Pyrite Belt in 1994. The deposit has a major secondary zone, which provides the main economic target. Unlike other deposits in the Pyrite Belt, this secondary mineralisation has been well preserved by a thick Tertiary cover. Mineralogy and geochemistry of the secondary mineralisation point to a multi-genetic origin, spanning alteration by a seawater hydrothermal system during primary deposition, to post Tertiary weathering.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Publisher: Taylor & Francis
ISBN: 9789058091222
Last Modified: 08 Mar 2019 16:52
URI: http://orca.cf.ac.uk/id/eprint/119955

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