Genesis of peculiarly zoned Co, Zn and Mn-rich chromian spinel in serpentinite of Bou-Azzer ophiolite, Anti-Atlas, Morocco

Journal of Mineralogical and Petrological Sciences

Volumn 102, Issue 2, 2007, Pages 69-85

  Gahlan, Hisham A ^a   Arai, Shoji ^a  

^a KANAZAWA UNIVERSITY   (Japan)

Author keywords

Anti Atlas; Bou Azzer ophiolite; Mn rich chromian spinel; Morocco; Serpentinite

Indexed keywords

EID: 34347397597     PISSN: 13456296     EISSN: 13493825     Source Type: Journal    
DOI: 10.2465/jmps.060212     Document Type: Article

References (48)

1. Abzalov, A.Z. (1998) Chrome-spinel in gabbro - wehrlite intrusions of Pechenga area, Kola peninsula, Russia: emphasis on alteration features. Lithos, 43, 109-134.
2. Ahmed, A.H., Arai, S. and Attia, A.K. (2001) Petrological characteristics of porliform chromitites and associated peridotites of the Pan African Proterozoic ophiolite complexes of Egypt. Mineralium Deposita, 36, 72-84.
3. Arai, S. (1980) Dunite-harzburgite-chromitite complexes as refractory residue in the Sangun-Yamaguchi zone, western Japan. Journal of Petrology, 21, 141-165.
4. Barnes, S.J. (2000) Chromite in Kornatiites, II. Modification during Greenschist to Mid-Amphibolite Facies Metamorphism. Journal of Petrology, 41, 387-409.
5. Bevan, J.C. and Mallinson, L.G. (1980) Zinc- and manganese-bearing chromites and associated grossular from Zimbabwe. Mineralogical Magazine, 43, 811-814.
6. Bliss, N.W. and MacLean, W.H. (1975) The paragenesis of zoned chromite from central Manitoba. Geochimica et Cosmochimica Acta, 39, 973-990.
7. Bodinier, J.L., Dupuy, C. and Dostal, J. (1984) Geochemistry of Precambrian ophiolites from Bou-Azzer, Morocco. Contributions to Mineralogy and Petrology, 87, 43-50.
8. Charlot, R. (1976) The Precambrian of the Anti-Atlas (Morocco): a geochronological synthesis. Precambrian Research, 3, 273-299.
9. Choubert, G. (1947) L'accident majeur de l'Anti-Atlas. Comptes Rendus de l'Académie des Sciences, Paris, 224, 1172-1173.
10. Clauer, N. (1976) Géochimie isotopique du strontium des milieux sédimentaires. Application á la géochronologie du craton oust-africain. pp. 256, Thése de Doctorat d'Etat Es-Science, Sciences Géologiques, Strasbourg, France.
11. Czamanske, G.K., Himmelberg, G.R. and Groff, F.E. (1976) Zoned Cr, Fe-spinel from La Perouse layered gabbro, Fair-weather Range, Alaska. Earth and Planetary Science Letters, 33, 111-118.
12. Diella, V., Ferrario, A. and Rossetti, R (1994) The magnetite ore deposits of the southern Aosta Valley: chromitite transformed during an alpine metamorphic event. Ofioliti, 19, 247-256.
13. Downes, H., Macdonald, R., Upton, B.G.J., Cox, K.G., Bodinier, J., Mason, PR.D., James, D., Hill, P.G. and Heam, B.C. (2004) Ultramafic Xenoliths from the Bearpaw Mountains, Montana, USA: Evidence for multiple metasomatic events in the lithospheric mantle beneath the Wyoming Craton. Journal of Petrology, 45, 1631-1662.
14. Economou-Eliopoulos, M. (2003) Apatite and Mn, Zn, Coenriched chromite in Ni-laterites of northern Greece and their genetic significance. Journal of Geochemical Exploration, 80, 41-54.
15. Ennih, N. and Liégeois, J-P. (2001) The Moroccan Anti-Atlas: the West African craton passive margin with limited Pan-African activity. Implications for the northern limit of the craton. Precambrian Research, 112, 289-302.
16. Gahlan, H., Arai, S. Ahmed, A.H., Abdel-Aziz, Y.M. and Rahimi, A. (2006) Origin of unique magnetite veins in serpentinite from the Late Proterozoic Bou-Azzer ophiolite, Anti-Atlas, Morocco. Journal of African Earth Sciences, 46, 318-330.
17. Groves, D.I., Barrett, F.M., Binns, R.A. and McQueen, K.G. (1977) Spinel phases associated with metamorphosed volcanic-type iron-nickel sulfide ores from Western Australia. Economic Geology, 72, 1224-1244.
18. Groves, D.I., Barrett, EM. and Brotherton, R.H. (1983) Exploration significance of chrome-spinels in mineralized ultramafic rocks and nickel-copper ores. Geological Society of South Africa Special publication 7, 21-30.
19. Harker, A. (1974) Metamorphism. A study of the transformation of rock masses. pp 362. Chapman and Hall, London.
20. Hébert, R., Adamson, A.C. and Komor, S.C. (1990) Metamorphic petrology of ODP Leg 109, Hole 670A serpentinized peridotites: serpentinization processes at a slow spreading ridge environment. Proceedings of the Ocean Drilling Program, Scientific Results (Detrick, R., Honnorez, J., Bryan, W.B., Juteau, T., et al. Eds.). 106/109, College station, Texas, Ocean Drilling Program, 103-115.
21. Leblanc, M. (1975) Ophiolites précambriennes et gites arseniés de cobalt: Bou Azzer (Maroc). pp. 329, Thése Doctorat d'Etat, Faculté des Science Paris VI, Mémoires Centre Géologique et Céophysique, Montpellier.
22. Leblanc, M. (1981) The late Proterozoic ophiolites of Bou-Azzer (Morocco): Evidence for Pan African plate tectonics. In Precambrian plate tectonics (Kroner, A. Ed.). Elsevier, Amsterdam, 436-451.
23. Leblanc, M. (1986) Co-Ni arsenide deposit, with accessory gold, in ultramatic rocks from Morocco. Canadian Journal of Earth Sciences, 23, 1592-1601.
24. Leblanc, M. and Billaud, P. (1982) Cobalt arsenide orebodies related to an upper Proterozoic ophiolite: Bou-Azzer (Morocco). Economic Geology, 77, 162-175.
25. Lehmann, J. (1983) Diffusion between olivine and spinel: application to geothermometry. Earth and Planetary Science Letters, 64, 123-138.
26. Liipo, J., Vuollo, J., Nykänen, V, Piirainen, T., Pekkarinen, L. and Tuokko, I. (1995) Chromites from the early Proterozoic Outokumpu-Jormua ophiolite belt: a comparison with chromites from Mesozoic ophiolites. Lithos, 36, 15-27.
27. Longerich, H.R, Jackson, S.E. and Günther, D. (1996) Laser ablation inductively coupled plasma mass spectrometry transient signal data acquisition and analyte concentration calculation. Journal of Analytical Atomic Spectrometry, 11, 899-904.
28. Maacha, L., Azizi, R. and Bouchta, R. (1998) Gisements cobaltifères du district de Bou-Azzer (Anti-Atlas): structure, minéralogie et conditions de genése. Chronique de la Recherche Minière, 531-532, 65-75.
29. MacFarlane, N.D. and Mossman, D.J. (1981) The opaque minerals and econoinic geology of the Nemeiben ultramafic complex, Saskatchewan, Canada, Mineralium Deposita, 16, 409-424.
30. Malakhov, S.A. (1983) Petrochemistry of the main formational types of ultramafic rocks. pp. 224, Nauka, Moscow (In Russian).
31. Matsumoto, I. and Arai, S. (2001) Morphological and chemical variations of chromian spinel in dunite-harzburgite complexes from the Sangun zone (SW Japan): implications for mantle/melt reaction and chromitite formation processes. Mineralogy and Petrology, 73, 305-323.
32. Michailidis, K.M. (1990) Zoned chromites with high Mn-contents in the Fe-Ni-Cr- laterite ore deposits from the Edessa area in Northern Greece. Mineralium Deposita, 25, 190-197.
33. Morishita, T., Ishida, Y, Arai, S. and Shirasaka, M., (2005) Determination of multiple trace element compositions in thin (< 30 μ) laser of NIST SRM 614 and 616 using Laser Ablation -Inductively Coupled Plasma-Mass spectrometry (LA-ICP-MS). Geostandards and Geoanalytical Research, 29, 107-122.
34. Nakada, S., Yanagi, T., Maeda, S., Fang, D. and Yamaguchi, M. (1985) X-ray fluorescence analysis of major elements in silicate rocks. Science Report of Kyushu University, 14/3, 103-105 (in Japanese with English abstract).
35. Paraskevopoulos, G.M. and Economou, M. (1980) Genesis of magnetite ore occurrences by metasomatism of chromite ores in Greece. Neues Jahrbuch für Mineralogie Abhandlungen, 140, 29-53.
36. Paraskevopoulos, G.M. and Economou, M. (1981) Zoned Mnrich chromite from podiform type chromite ore in serpentinites of northern Greece. American Mineralogist, 66, 1013-1019.
37. Pearce, N.J.G., Perkins, WT., Westgate, J.A., Gorton, M.P., Jackson, S.E., Neal, C.R. and Chenery, S.P. (1997) A compilation of new and published major and trace element data for NIST SRM 610 and NIST SRM 612 glass reference materials. Geostandards Newsletter, 21, 115-144.
38. Ramdohr, P. (1967) A widespread mineral association connected with serpentinization. Neues Jahrbuch für Mineralogie Abhandlungen, 107, 241-265.
39. Sack, R.O. and Ghiorso, M.S. (1991) Chromian spinels as petrogenetic indicators: thermodynamic and petrological applications. American Mineralogist, 76, 827-847.
40. Saquaque, A., Admou, H., Karson, J.A., Hefferan, K.P. and Reuber, I. (1989) Precambrian accretionary tectonics in the Bou-AzzerEl Graara region, Anti-Atlas. Geology, 17, 1107-1110.
41. Shcheka, S.A., Ishiwatari, A. and Vrzhosek, A.A. (2001) Geology and petrology of Cambrian Khanka ophiolite in Primorye (Far East Russia) with notes on its manganese-rich chromian spinel. Earth Science (Chikyu Kagaku), 55, 265-274.
42. Spry, P.G. and Scott, S.D. (1986) Zincian spinel and staurolite as guides to ore in the Appalachians and Scandinavian Caledonides. Canadian Mineralogist, 24, 147-163.
43. Stanton, R.L. (1972) Ore Petrology. pp. 713, McGraw-Hill, New York.
44. Takahashi, E. (1986) Origin of basaltic magmas-Implications from peridotite melting experiments and an olivine fractionation model-. Bulletin of the Volcanological Society of Japan, 30, S17-S40 (in Japanese with English abstract).
45. Tamura, A., Makita, M. and Arai, S. (1999) Petrogenesis of ultramafic rocks in the Kamuikotan belt, Hokkaido, northern Japan. rIbe Memoirs of the Geological Society of Japan, No. 52, 53-68 (in Japanese with English abstract).
46. Tamura, S., Kobayashi, Y. and Shuto, K. (1989) Quantitative analysis of the trace elements in silicate rocks by X-ray fluorescence method. Earth Science (Chikyu Kagaku), 43/3, 180-185 (in Japanese).
47. Tyrrell, G.W. (1952) The principles of petrology: an introduction to the science of rocks. pp. 349, Methuen; New York: E.P. Dutton. London.
48. Wylie, A.G., Candela, P.A. and Burke, T.M. (1987) Compositional zoning in unusual Zn-rich chrornite from the Sykesville district of Maryland and its bearing on the origin of "ferritchromit". American Mineralogist, 72, 413-422.