Metamorphism and PGE-Au content of chromitite from the Ipanema mafic/ultramafic Complex, Minas Gerais, Brazil

Mineralogy and Petrology

Volumn 71, Issue 3-4, 2001, Pages 173-194

  Angeli, N ^a   Fleet, M E ^b   Thibault, Y ^b   Candia, M A F ^c  

^a SÃO PAULO STATE UNIVERSITY UNESP   (Brazil)

^b UNIVERSITY OF WESTERN ONTARIO   (Canada)

^c UNIVERSITY OF SÃO PAULO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

CHROMITITE; GOLD; MAFIC ROCK; METAMORPHISM; PLATINUM GROUP ELEMENT; REMOBILIZATION; ULTRAMAFIC ROCK;

BRAZIL; MINAS GERAIS;

EID: 0042870991     PISSN: 09300708     EISSN: None     Source Type: Journal    
DOI: 10.1007/s007100170038     Document Type: Article

References (65)

1. de Almeida FFM (1978) Chronotectonic boundaries for Precambrian time divisions in South America. Anais da Academia Brasileira de Ciências 50: 527-535
2. de Almeida FFM, Hasui Y, Brito Neves BB, Fuck RA (1981) Brazilian structural provinces: an introduction. Earth Sci Rev 17: 1-29
3. Angeli N (1988) Pesquisa de jazimentos de níquel e geologia da Foiha Ipanema, MG. Thesis, University of São Paulo, 290p (unpublished)
4. Angeli N, Choudhuri A (1985) Ultramafic complexes and associated mineral deposits in the Precambrian of eastern Minas Gerais, Brazil. Mineral Deposita 20: 309-313
5. Auge T (1988) Platinum-group minerals in the Tiebaghi and Vourinos ophiolite complexes: genetic implications. Can Mineral 26: 177-192
6. Bacuta GC Jr, Kay RW, Gibbs AK, Lipin BR (1990) Platinum-group element abundance and distribution in chromite deposits of the Acoje Block, Zambales Ophiolite Complex, Philippines. J Geochem Expl 37: 113-145
7. Beeson M, Jackson ED (1969) Chemical compositions of altered chromites from the Stillwater Complex, Montana. Am Mineral 54: 1084-1100
8. Bridges LC, Prichard HM, Neary CR, Meireles CA (1993) Platinum-group element mineralization in the chromite-rich rocks of Bragança massif, northern Portugal. Trans Inst Min Metal Sect B 102: B103-B113
9. Bridges JC, Prichard HM, Meireles CA (1995) Podiform chromitite-bearing ultrabasic rocks from the Bragança Massif, northern Portugal: fragments of island arc mantle? Geol Mag 132: 39-19
10. Burkhard DJM (1993) Accessory chromium spinels: their coexistence and alteration in serpentinites. Geochim Cosmochim Acta 57: 1297-1306
11. Campos Neto MC, Figueiredo MCH (1995) The Rio Doce orogeny, southeastern Brazil. J South Am Earth Sci 8: 143-162
12. Candia MAF, Gaspar JC (1997) Chromian spinels in metamorphosed ultramafic rocks from Mangabal I and II complexes, Goiás, Brazil. Mineral Petrol 60: 27-40
13. Capobianco CJ, Hervig RL, Drake MJ (1994) Experiments on crystal/liquid partitioning of Ru, Rh and Pd for magnetite and hematite solid solutions crystalized from silicate melt. Chem Geol 113: 23-43
14. Chadwick B, Crewe MA (1986) Chromite in the Early Akilia Association (ca. 3,800 m.y.), Ivisartoq region, inner Godthabsfjord, Southern Greenland. Econ Geol 81: 184-191
15. Chakraborty KL, Chakraborty TL (1984) Geological features and origin of the chromite deposits of Sukinda Valley, Orissa, India. Mineral Deposita 19: 256-265
16. Corrivaux L, LaFlamme JHG (1990) Minéralogie des éléments du groupe du platine dans les chromitites de l'ophiolite de Thetford Mines, Québec. Can Mineral 28: 579-595
17. Davies G, Tredoux M (1985) The platinum-group element and gold contents of the marginal rocks and sills of the Bushveld Complex. Econ Geol 80: 838-848
18. Dick JB, Bullen T (1984) Chromian spinel as a petrogenetic indicator in abyssal and alpine-type peridotites and spatially associated lavas. Contrib Mineral Petrol 86: 54-76
19. Evans BW, Frost BR (1975) Chrome spinel in progressive metamorphism: a preliminary analysis. Geochim Cosmochim Acta 39: 959-972
20. Ferrario A, Garuti G (1988) Platinum-group minerals in chromite-rich horizons of the Niquelândia Complex (Central Goiâs, Brazil). In: Prichard HM, Potts PJ, Bowles JFW, Gribb SJ (eds) Geo-Platinum 87, London. Elsevier, Amsterdam, pp 261-272
21. Ferreira Filho CF, Naldrett AJ, Asif M (1995) Distribution of platinum-group elements in the Niquelândia layered mafic-ultramafic intrusion, Brazil: implications with respect to exploration. Can Mineral 33: 165-184
22. Fleet ME, Wu T-W (1993) Volatile transport of platinum-group elements in sulfide-chloride assemblages at 1000 °C. Geochim Cosmochim Acta 57: 3519-3531
23. Fleet ME, Wu T-W (1995) Volatile transport of precious metals at 1000 °C: speciation, fractionation, and effect of base-metal sulfide. Geochim Cosmochim Acta 59: 487-495
24. Fleet ME, Angeli N, Pan Y (1993) Oriented chlorite lamellae in chromite from Pedra Branca mafic/ultramafic complex, Ceará, Brazil. Am Mineral 78: 68-74
25. Fleet ME, Crocket JH, Liu M, Stone WE (1999) Laboratory partitioning of platinum-group elements (PGE) and gold with application to magmatic sulfide-PGE deposits. Lithos 47: 127-142
26. Frost BR (1991) Stability of oxide minerals in metamorphic rocks. In: Lindsley DH (ed) Oxide minerals: petrologic and magnetic significance. Mineral Soc Am Rev Mineral 25: 469-487
27. Gauthier M, Corrivaux L, Trottier LJ, Laflamme GJH, Bergeron M (1990) Chromitites platinifères des complexes ophiolitiques de l'Estrie-Beauce, Appalaches du Sud du Québec. Mineral Deposita 25: 169-178
28. Grossi Sad JH (1968) Os cinturões serpentiníticos do Brasil Oriental. EM/UFOP, SICEG, Ouro Preto Bol 7: 140-153
29. von Gruenewaldt G, Hulbert LJ, Naldrett AJ (1989) Contrasting platinum-group element concentration patterns in cumulates of the Bushveld Complex. Mineral Deposita 24: 919-229
30. Haggerty SE (1976) Opaque mineral oxides in terrestrial igneous rocks. In: Rumble D III (ed) Oxide minerals. Mineral Soc Am Rev Mineral 3: Hg-101-Hg-300
31. Haggerty SE (1991a) Oxide textures - A mini-atlas. In: Lindsley DH (ed) Oxide minerals: petrologic and magnetic significance. Mineral Soc Am Rev Mineral 25: 129-219
32. Haggerty SE (1991b) Oxide mineralogy of the upper mantle. In: Lindsley DH (ed) Oxide minerals: petrologic and magnetic significance. Mineral Soc Am Rev Mineral 25: 355-416
33. Hamlyn PR (1975) Chromite alteration in the Panton Sill, East Kimberley region, W. Australia. Mineral Mag 40: 181-192
34. Hulbert LJ, von Gruenewaldt G (1985) Textural and compositional features of chromite in the Lower and Critical zones of the Bushveld complex south of Potgietersrus. Econ Geol 80: 872-895
35. Irvine TN, Findlay TC (1972) Alpine-type peridotite with particular reference to the Bay of Islands Igneous Complex. Publ Earth Phys Branch, Energy Mines and Resources of Canada 42(3): 97-140
36. Kimball KL (1990) Effects of hydrothermal alteration on the compositions of chromian spinels. Contrib Mineral Petrol 105: 337-346
37. McElduff B, Stumpfl EF (1991) The chromite deposits of the Troodos Complex, Cyprus -evidence for the role of a fluid phase accompanying chromite formation. Mineral Deposita 26: 307-318
38. Melcher F, Grum W, Simon G, Thalhammer TV, Stumpfl EF (1997) Petrogenesis of the ophiolitic giant chromite deposits of Kempirsai, Kazakhstan: a study of solid and fluid inclusions in chromite. J Petrol 38: 1419-1458
39. Melcher F, Grum W, Thalhammer TV, Thalhammer OAR (1999) The giant chromite deposits at Kempirsai, Urals: constraints from trace element (PGE, REE) and isotope data. Mineral Deposita 34: 250-272
40. Michailidis KM (1990) Zoned chromites with Mn-contents in the Fe-Ni-Cr-laterite ore deposits from the Edessa area in Northern Greece. Mineral Deposita 25: 190-197
41. Naldrett AJ (1989) Magmatic sulfide deposits. Oxford Monographs on Geology and Geophysics 14. Clarendon Press, New York, 186 p
42. Naldrett AJ, von Gruenewaldt G (1989) Association of platinum-group elements with chromitites in layered intrusions and ophiolite complexes. Econ Geol 84: 180-187
43. 4 spinel crystalline solution at high temperatures and pressures. Contrib Mineral Petrol 87: 196-204
44. Onyeagocha AC (1974) Alteration of chromite from the Twin Sisters Dunite, Washington. Am Mineral 59: 608-612
45. Page NJ, Talkington RW (1984) Palladium, platinum, rhodium and iridium in peridotites and chromitites from ophiolite complexes in Newfoundland. Can Mineral 22: 137-149
46. Page NJ, Cassrad D, Haffty J (1982) Palladium, platinum, rhodium, ruthenium, and iridium in chromites from the Massif du Sud and Tiébaghi Massif, New Caledonia. Econ Geol 77: 1571-1577
47. Pan Y, Fleet ME, Williams HR (1994) Granulite-facies metamorphism in the Quetico Subprovince, north of Manitouwadge, Ontario. Can J Earth Sci 31: 1427-1439
48. Pedersen R-B, Johannesen GM, Boyd R (1993) Stratiform platinum-group element mineralizations in the ultramafic cumulates of the Leka Ophiolite Complex, central Norway. Econ Geol 88: 782-803
49. Prichard HM, Tarkian M (1988) Platinum and palladium minerals from two PGE-rich localities in the Shetland ophiolite complex. Can Mineral 26: 979-990
50. Prichard HM, Lord RA (1993) An overview of the PGE concentrations in the Shetland ophiolite complex. In: Prichard HM, Alabaster T, Harris NBW, Neary CR (eds) Magmatic processes and plate tectonics. Geol Soc London Spec Publ 76: 273-294
51. Prichard HM, Neary CR, Potts PJ (1986) Platinum-group minerals in the Shetland ophiolite. In: Gallagher MJ, Ixer RA, Neary CR, Pritchard HM (eds) Metallogeny of basic and ultrabasic rocks. Inst Mining Metallurg Spec Vol. pp 395-414
52. Righter K, Chesley JT, Geist D, Ruiz J (1998) Behavior of Re during magma fractionation: an example from Volcán Alcedo, Galápagos. J Petrol 39: 785-795
53. Sack RO, Ghiorso MS (1991a) Chromian spinels as petrogenetic indicators: thermo-dynamics and petrological applications. Am Mineral 76: 827-847
54. Sack RO, Ghiorso MS (1991b) Chromite as a petrogenetic indicator. In: Lindsley DH (ed) Oxide minerals: petrologic and magnetic significance. Mineral Soc Am Rev Mineral 25: 323-353
55. Spear FS (1993) Metamorphic phase equilibria and pressure-temperature-time paths. Mineral Soc Am Monograph, Washington DC, 799 p
56. Stone WE, Crocket JH, Fleet ME (1994) Light-rare earth element-rich minerals associated with platinum-group element mineralization in the Archean Boston Creek Flow, Ontario. Mineral Petrol 51: 85-109
57. Stowe CW (1994) Compositions and tectonic settings of chromite deposits through time. Econ Geol 89: 528-546
58. Stumpfl EF, Ballhaus CG (1986) Stratiform platinum deposits: new data and concepts. Fortschr Mineral 64: 205-214
59. Suita MTF, Strider AJ (1996) Cr-spinels from Brazilian mafic-ultramafic complexes: metamorphic modifications. Int Geol Rev 38: 245-267
60. Talkington RW, Watkinson DH, Whittaker PJ, Jones PC (1984) Platinum group minerals and other solid inclusions in chromite of ophiolite complexes: occurrence and petrological significance. Tschermaks Mineral Petrol Mitt 32: 285-301
61. Tarkian M, Naidenova E, Zhelyaskova-Panayotova M (1991) Platinum-group minerals in chromitites from the Eastern Rhodope Ultramafic Complex, Bulgaria. Mineral Petrol 44: 73-87
62. Thalhammer OAR, Prochaska W, Mühlhans HW (1990) Solid inclusions in chrome-spinels and platinum group element concentrations from the Hochgrössen and Kraubath Ultramafic Massifs (Austria). Contrib Mineral Petrol 105: 66-80
63. Trommsdorff V, Evans BW (1974) Alpine metamorphism of peridotitic rocks. Schweiz Mineral Petrogr Mitt 54: 333-354
64. Trompette R (1994) Geology of Western Gondwana (2000-500 Ma). Pan African-Brasiliano Aggregation of South America and Africa. A.A. Balkema, Rotterdam, 350p
65. Yang K, Seccombe PK (1993) Platinum-group minerals in the chromitites from the Great Serpentine Belt, NSW, Australia. Mineral Petrol 47: 263-286