Spessartine Garnets in a Manganiferous Carbonate Formation from Nsuta, Ghana

Resource Geology

Volumn 48, Issue 1, 1998, Pages 13-22

  Nyame, Frank K ^a   Kase, Katsuo ^a   Yamamoto, Masahiro ^a  

^a OKAYAMA UNIVERSITY   (Japan)

Author keywords

Birimian; Garnet; Ghana; Kutnahorite; Manganese; Nsuta; Rhodochrosite; Spessartine

Indexed keywords

ALMANDINE; ANDRADITE; CARBONATE; GARNET; GROSSULAR; HOST ROCK; MANGANESE; MANGANESE DEPOSIT; MUSCOVITE; ORE DEPOSIT; PYROPE; RHODOCHROSITE; SPESSARTINE;

GHANA; NSUTA; WESTERN REGION;

EID: 0032389225     PISSN: 13441698     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1751-3928.1998.tb00003.x     Document Type: Article

References (18)

1. 2 equilibrium at 1 kbar. Amer. Mineral., 73, 1285-1291.
2. Abrecht, J. (1989) Manganiferous phyllosilicate assemblages: Occurrences, composition, and phase relations in metamorphosed Mn deposits. Contr. Miner. Petrol., 103, 228-241.
3. Brown, E. H. (1969) Some zoned garnets from the greenschist facies. Amer. Mineral., 54, 1662-1677.
4. Buhn, B., Okrusch, M., Woermann, E., Lehnert, K. and Hoernes, S. (1995) Metamorphic evolution of neoproterozoic manganese formations and their country rocks at Otjosondu, Namibia. Jour. Petrol., 36, 463-496.
5. Deer, W. A., Howie, R. A. and Zussman, J. (1992) An introduction to the rock-forming minerals, 2nd ed. Longman Group, UK, 696p.
6. Holtrop, J. F. (1965) The manganese deposits of the Guiana Shield. Econ. Geol., 60, 1185-1212.
7. Hsu, L. C. (1968) Selected phase relationships in the system Al-Mn-Fe-Si-O-H: A model for garnet equilibria. Jour. Petrol., 9, 40-83.
8. Jaffe, H. W., Meijer, W. O. J. G. and Selchow, D. H. (1961) Manganoan cummingtonite from Nsuta, Ghana. Amer. Mineral., 46, 642-653.
9. Kleinschrot, D., Klemd, R., Brocker, M., Okrusch, M., Franz, L. and Schmidt, K. (1994): Protores and country rocks of the Nsuta manganese deposit (Ghana). Neues Jb. Miner. Abh., 168, 67-108.
10. Leube, A., Hirdes, W., Mauer, R. and Kesse, G. O. (1990): The early Proterozoic Birimian Supergroup of Ghana and some aspects of its associated gold mineralisation. Precambrian Research, 46, 139-165.
11. Melcher, F. (1995): Genesis of chemical sediments in Birimian greenstone belts: evidence from gondites and related manganese-bearing rocks from northern Ghana. Mineral. Mag., 59, 229-251.
12. Nyame, F. K. (1995) Geochemical studies of the Proterozoic Nsuta manganese deposit, Western Ghana. Unpublished M.Sc. thesis, Okayama University, Japan, 78p.
13. Roy, S. (1981) Manganese Deposits. Academic Press, London, 458p.
14. Serdyuchenko, D. P. (1980) Precambrian biogenic sedimentary manganese deposits. In Geology and geochemistry of manganese, vol. 2 (Varentsov, I. M. and Grassely, Gy., eds.), 61-85. E. Schweizerbart'sehe Verlagsbuchhandlung, Stuttgart.
15. Service, H. (1943) The geology of the Nsuta manganese ore deposits. Gold Coast Geological Survey Memoir, 5, 32p.
16. Theye, T., Schreyer, W. and Fransolet, A-M. (1996) Low-temperature, low-pressure metamorphism of Mn-rich rocks in the Lienne syncline, Venn-Stavelot Massif (Belgian Ardennes), and the role of carpholite. Jour. Petrol., 37, 767-783.
17. Varentsov, I. M. (1964) Sedimentary manganese ores. Elsevier Publishers, Amsterdam, 119p.
18. Yui, S. (1992) A system of EPMA data reduction programs using BASIC for personal computers. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, 23, 147-158.