Mineralium Deposita

, Volume 47, Issue 7, pp 739–747 | Cite as

Metallogeny of precious and base metal mineralization in the Murchison Greenstone Belt, South Africa: indications from U–Pb and Pb–Pb geochronology

  • J. JaguinEmail author
  • M. Poujol
  • P. Boulvais
  • L. J. Robb
  • J. L. Paquette


The 3.09 to 2.97 Ga Murchison Greenstone Belt is an important metallotect in the northern Kaapvaal Craton (South Africa), hosting several precious and base metal deposits. Central to the metallotect is the Antimony Line, striking ENE for over 35 km, which hosts a series of structurally controlled Sb–Au deposits. To the north of the Antimony Line, hosted within felsic volcanic rocks, is the Copper–Zinc Line where a series of small, ca. 2.97 Ga Cu–Zn volcanogenic massive sulfide (VMS)-type deposits occur. New data are provided for the Malati Pump gold mine, located at the eastern end of the Antimony Line. Crystallizations of a granodiorite in the Malati Pump Mine and of the Baderoukwe granodiorite are dated at 2,964 ± 7 and 2,970 ± 7 Ma, respectively (zircon U–Pb), while pyrite associated with gold mineralization yielded a Pb–Pb age of 2,967 ± 48 Ma. Therefore, granodiorite emplacement, sulfide mineral deposition and gold mineralization all happened at ca. 2.97 Ga. It is, thus, suggested that the major styles of orogenic Au–Sb and the Cu–Zn VMS mineralization in the Murchison Greenstone Belt are contemporaneous and that the formation of meso- to epithermal Au–Sb mineralization at fairly shallow levels was accompanied by submarine extrusion of felsic volcanic rocks to form associated Cu–Zn VMS mineralization.


Gold mineralization VMS deposit Antimony Line Kaapvaal Craton Murchison range South Africa 



This work was funded by the National Institute of Sciences of the Universe (CNRS-INSU “Action Incitative”, France). We acknowledge C. Anhaeusser and J. Vearncombe for their comments. Thanks are also due to Bernd Lehmann and Hartwig Frimmel for editorial handling.


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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • J. Jaguin
    • 1
    Email author
  • M. Poujol
    • 1
  • P. Boulvais
    • 1
  • L. J. Robb
    • 2
  • J. L. Paquette
    • 3
  1. 1.Campus de Beaulieu Géosciences Rennes, UMR CNRS 6118, OSUR, Université Rennes 1Rennes CedexFrance
  2. 2.Department of Earth SciencesUniversity of OxfordOxfordUK
  3. 3.UMR CNRS 6524, Laboratoire Magmas et VolcansClermont-Ferrand CedexFrance

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