A model to explain the occurrence of platinum- and palladium-rich ophiolite complexes

Journal of the Geological Society

Volumn 153, Issue 2, 1996, Pages 323-328

  Prichard, H M ^a   Lord, R A ^b   Neary, C R ^c  

^a CARDIFF UNIVERSITY   (United Kingdom)

^b UNIVERSITY OF SUNDERLAND   (United Kingdom)

^c NATURAL ENVIRONMENT RESEARCH COUNCIL   (United Kingdom)

Author keywords

Boninite; Ophiolite; Palladium; Platinum; Sheltand Islands

Indexed keywords

BONINITE; MINERALIZATION; OPHIOLITE; PALLADIUM; PARTIAL MELTING; PLATINUM; SUBDUCTION ZONE;

EID: 0029730940     PISSN: 00167649     EISSN: None     Source Type: Journal    
DOI: 10.1144/gsjgs.153.2.0323     Document Type: Article

References (38)

1. AUGÉ, T. 1985. Platinum-group mineral inclusions in ophiolitic chromitite from the Vourinos complex, Greece. Canadian Mineralogist, 23, 163-171.
2. BACUTA, G. C. JR., LIPIN, B. R., GIBBS, A. K. & KAY, R. W. 1988. Platinum-group element abundance in chromite deposits of the Acoje ophiolite block, Zambales ophiolite complex, Philippines In: PRICHARD, H. M., POTTS, P. J., BOWLES, J. F. W. & CRIBB, S. J. (eds) Geo-platinum symposium volume. Elsevier, 381-382.
3. BARNES, S. J. 1989. Are Bushveld U-type parent magmas boninites or contaminated komatiites? Contributions to Mineralogy and Petrology, 101, 447-457.
4. _, NALDRETT, A. J. & GORTO, M. P. 1985. The origin of the fractionation of Pt group elements in terrestrial magmas. Chemical Geology, 53, 303-323.
5. BROWNING, P. 1982. The petrology, geochemistry, and structure of plutonic rocks of the Oman ophiolite. PhD thesis, Open University.
6. CORRIVAUX, L. & LAFLAMME, J. H. G. 1990. Minéralogie des éléments du groupe du platine dans les chromitites de l'ophiolite de Thetford Mines, Québec. Canadian Mineralogist, 28, 579-595.
7. CROCKET, J. H. 1981. Geochemistry of the platinum-group elements. Canadian Institute of Mineralisation and Metallurgy, Special issue 23, 47-64.
8. EDWARDS, S. J. 1990. Harzburgites and refractory melts in the Lewis Hills massif, Bay of Islands ophiolite complex: the base metals and precious metals story. Canadian Mineralogist, 28, 537-552.
9. GUNN, A. G. 1989. Drainage and overburden geochemistry in exploration for platinum-group element mineralisation in the Unst ophiolite, Shetland, UK. Journal of Geochemical Exploration, 31, 209-236.
10. HAMLYN, P. R & KEAYS, R. R. 1986. Sulfur saturation and second stage melts; application to the Bushvelt Pt metal deposits. Economic Geology, 81, 1431-1445.
11. KIRBY, G. A. 1979. The Lizard ophiolite complex. Nature, 282, 58-61.
12. KLINE, E. M. & LANGMUIR, C. H. 1989. Local versus global variations in ocean ridge basalt composition. Journal of Geophysical Research, 94, NB4, 4241-4252.
13. LACHIZE, M., LORAND, J. P. & JUTEAU, T. 1991. Cu-Ni-PGE magmatic sulfide ores and their host layered gabbros in the Haymiliyah fossil magma chamber (Haylayn block, Semail ophiolite nappe, Oman). In: PETERS, T. J., NICOLAS, A. & COLEMAN, R. G. (eds) Ophiolite Genesis and Evolution of the oceanic lithosphere: Proceedings of the ophiolite conference held in Muscat, Oman. Kluwer Academic Publishers, 209-229.
14. LEBLANC, M. 1991. Platinum-group elements and gold in ophiolite complexes: distribution and fractionation from mantle to ocean floor. In: PETERS, T. J., NICOLAS, A. & COLEMAN, R. G. (eds) Ophiolite Genesis and Evolution of the oceanic lithosphere: Proceedings of the ophiolite conference held in Muscat, Oman. Kluwer Academic Publishers, 231-260.
15. _, CEULENEER, G., AL AZRI, H. & JEDWAB, J. 1991. Concentration hydrothermale de palladium et de platine dans les péridotites mantellaires du complexe ophiolitique d'Oman. Complex Rendus de l'Acadamie des Sciences, Paris, 312, Série II, 1007-1012.
16. LORD, R. A. 1991. Platinum-group elements in the Shetland ophiolite complex. PhD thesis, Open University.
17. _, PRICHARD, H. M. & NEARY, C.R. 1994. Magmatic PGE concentrations and hydrothermal upgrading in the Shetland ophiolite complex. Transactions of the institute of Mining and Metallurgy, B103, 87-162.
18. MALPAS, J. & STEVENS, R. K. 1977. The origin and emplacement of the ophiolite suite with examples from western Newfoundland. In: MALPAS, J. & TALKINGTON, R. W. (eds) Ophiolites of the Canadian Appalachians and Soviet Urals. Memorial University, Newfoundland, Contribution to IGCP Project 39, 21-41.
19. MURTON, B. J. 1986. The tectonic evolution of the western Limassol Forest complex, Cyprus. PhD thesis, Open University.
20. NALDRETT, A.J. 1981. Nickel sulfide deposits:- classification, composition and genesis. Economic Geology, 75, 628-685.
21. _ & VON GRUENEWALDT, G. 1989. Association of platinum-group elements with chromitite in layered intrusions and ophiolite complexes. Economic Geology, 84, 180-187.
22. NEARY, C. R. 1974. Chromitiferous ultrabasic rocks in the northern Hijaz of Saudi Arabia. PhD thesis, University of Leeds.
23. _, PRICHARD, H.M. & POTTS, P.J. 1984. Chromite, platinoids, gold and moly in the Shetlands. Mining Magazine, Dec. 559-60.
24. OHNENSTETTER, M., KARAJ, N., NEZIRAJ, A., JOHAN, Z & CINA, A. 1991. Le potentiel platinifere des ophiolites : minéralisations en éléments du groupe du platine (PGE) dans les massifs de Tropoja et Bulquiza, Albanie. Campes Rendus de l'Acadamie des Sciences, Paris, 13, Série II, 201-208.
25. ORBERGER, B., FREDRICH, G. & WOERMANN, E. 1988. Platinum-group element mineralisation in the ultramafic sequence of the Acoje ophiolite block, Zambales, Philippines. In: PRICHARD, H. M., POTTS, P. J., BOWLES, J. F. W. & CRIBB, S. J. (eds) Geo-platinum symposium volume. Elsevier, 361-380.
26. PEARCE, J. A., LIPPARD, S. J. & ROBERTS, S. 1984. Characteristics and tectonic significance of supra-subduction zone ophiolites. In: KOKELAAR, B. P. & HOWELLS, M. F. (eds) Marginal Basin Geology. Geological Society, London, Special Publications, 16, 77-94.
27. _, VAN DE LANN, S. R., ARCLUS, R. J., MURTON, B. J., ISHII, T., PEATE, D. W. AND PARKINSON, I. J. 1992. Boninite and harzburgite from leg 125 (Bonin-Mariana forearc); A case study of magma genesis during the initial stages of subduction. In: FRYER, P. ET AL. (eds) Bonin/Mariana region. Proceedings of the Ocean Drilling Program, 125, 623-656.
28. PEDERSEN, R. B., JOHANNESEN, G. M. & BOYD, R. 1993. Stratiform PGE mineralisations in the ultramafic cumulates of the Leka ophiolite complex, central Norway. Economic Geology, 88, 782-803.
29. PRICHARD, H. M. 1985. The Shetland Ophiolite. In: GEE, D. G. & STURT, B. A. (eds) The Caledonide Orogen: Scandinavia and related areas. Wiley & Sons. Ltd, 1173-1184.
30. _ & LORD, R. A. 1988. The Shetland ophiolite: evidence for a supra-subduction zone origin and implications for platinum-group element mineralisation. In: BOISSONNAS, J. & OMENETTO, P. (eds) Mineral deposits within the European Community. Special publications of the Society for Geology Applied to Mineral deposits. Springer-Verlag, 289-302.
31. _ & _ 1990. Platinum and palladium in the Troodos ophiolite complex, Cyprus. Canadian Mineralogist, 28, 607-617.
32. _ & _ 1993. An overview of the PGE concentrations in the Shetland ophiolite complex. In: PRICHARD, H. M., ALABASTER, T, HARRIS, N. B. W. & NEARY, C. R. (eds) Magmatic Processes and Plate Tectonics. Geological Society, London, Special Publications, 76, 273-294.
33. _, IXER, R. A., LORD, R. A., MAYNARD, J. & WILLIAMS, N. 1994. Assemblages of platinum-group minerals and sulfides in silicate lithologies and chromite-rich rocks within the Shetland ophiolite. Canadian Mineralogist, 32, 2, 271-294.
34. _, NEARY, C. R. & LORD, R. A. 1992. New evidence of platinum-group element concentrations in the Al 'Ays ophiolite complex, Saudi Arabia : Significance for prediction in other ophiolite complexes. In: FOSTER, R. P. (ed.) Mineral deposit modelling in relation to crustal reservoirs of ore-forming elements. Abstract, Institute of Mining and Metallurgy, London.
35. _, _ & POTTS, P. J. 1986. Platinum-group minerals in the Shetland ophiolite. In: GALLAGHER, M. J., IXER, R. A., NEARY, C. R. AND PRICHARD, H. M. (eds) Metallogeny of the basic and ultrabasic rocks. Institution of Mining and Metallurgy, London, 395-414.
36. _, PUCHALT, H., ECKHARDT, J.-D. & FISHER, P. C. In press. Platinum concentrations in mafic and ultramafic lithologies drilled from the Hess Deep. In: GILLIS, K, MEVEL, C. The ship board scientific party. ODP special volume 147.
37. TALKINGTON, R. W., WATKINSON, D. H., WHITTAKER, P. J. & JONES, P. C. 1984. Platinum-group minerals and other solid inclusions in chromite of ophiolitic complexes: occurrence and petrological significance. Tschermaks Mineralogische und Petrographische Mitteilungen, 32, 285-301.
38. WILSON, R. A. M. 1959. The geology of the Xeros-Troodos area. Cyprus Geological Survey Department Memoirs, 1.