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Obuasi, Ashanti
Ghana
Main commodities: Au




The most recent source geological information used to prepare this description was dated: 2007.     Record last updated: 01/11/2012
This description is a summary from published sources, the chief of which are listed below.
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Obuasi, Ashanti

    Selected References
Anonymous  1999 - Obuasi: in    Register of African Gold 1999/2000    pp 99-100
Appiah H, Norman D I,   1991 - The Geology of the Prestea and Ashanti Goldfields: A Comparative Study: in Ladeira E A (Ed.),  Brazil Gold 91 Balkema, Rotterdam    pp 247-255
Blenkinsop T, Mumm A S, Kumi R, Sangmor S  1994 - Structural Geology of the Ashanti Gold Mine: in    Geologisches Jahrbuch   D100  pp 131-153
Carranza E J M, Owusu E A and Hale M,  2009 - Mapping of prospectivity and estimation of number of undiscovered prospects for lode gold, southwestern Ashanti Belt, Ghana: in    Mineralium Deposita   v.44 pp. 915-938
Cox J A, Amanor J A  1999 - Exploration Strategy and Applications at Ashantis Obuasi Operations: in    Journal of the South African Institute of Mining & Metallurgy   May/June 1999 pp 123-137
Dzigbodi-Adjimah  1993 - Geology and Geochemical Patterns of the Birimian Gold Deposits, Ghana, West Africa: in    J. of Geochemical Exploration   47 (1993) pp 305-320
Foster R P  1999 - Destination Africa: New Frontiers, New Mineral Exploration Opportunities: in   African Mining: Exploration and Investment Opportunities Conference, Perth, Australia: 16-17 November, 1999 AJM, Sydney    pp 1-11
Fougerouse, D., Micklethwaite, S., Ulrich, S., Miller, J., Godel, B., Adams, D.T. and McCuaig, T.C.,  2017 - Evidence for Two Stages of Mineralization in West Africa’s Largest Gold Deposit: Obuasi, Ghana: in    Econ. Geol.   v.112, pp. 3-22.
Harcouet V, Guillou-Frottier L, Bonneville A, Bouchot V and Milesi J-P,  2007 - Geological and thermal conditions before the major Palaeoproterozoic gold-mineralization event at Ashanti, Ghana, as inferred from improved thermal modelling: in    Precambrian Research   v154 pp 71-87
Mucke A, Dzigbodi-Adjimah K  1994 - Ore Textures and Paragenesis of the Prestea and Obuasi Gold Deposits in the Ashanti Belt of Ghana: An Ore Microscopic Study: in    Geologisches Jahrbuch   D100 pp 167-199
Mumin A H, Fleet M E, Longstaffe F J  1996 - Evolution of hydrothermal fluids in the Ashanti Gold Belt, Ghana: stable isotope geochemistry of Carbonates, Graphite, and Quartz: in    Econ. Geol.   v91 pp 135-148
Oberthur T, Weiser T, Amanor J A, Chryssoulis S L,  1997 - Mineralogical siting and distribution of gold in quartz veins and sulfide ores of the Ashanti mine and other deposits in the Ashanti belt of Ghana: genetic implications: in    Mineralium Deposita   v32 pp 2 - 15
Oberthur T, Mumm A S, Vetter U, Simon K, Amanor J  1996 - Gold Mineralization in the Ashanti Belt of Ghana: Genetic Constraints of the Stable Isotope Geochemistry: in    Econ. Geol.   v91 (1996) pp 289-301
Oberthur T, Schmidt Mumm A, Vetter U, Simon K, Amanor J A  1996 - Gold mineralization in the Ashanti Belt of Ghana: genetic constraints of the stable isotope geochemistry: in    Econ. Geol.   v 91 pp 289-301
Oberthur T, Vetter U, Davis D W, Amanor J  1998 - Age Constraints on Gold Mineralization and Paleoproterozoic Crustal Evolution in the Ashanti Belt of Southern Ghana: in    Precambrian Research   v89 (1998) pp 129-143
Oberthur T, Vetter U, Mumm A S, Weiser Th, Amanor J, Gyapong W, Kumi R, Blenkinsop T  1994 - The Ashanti Gold Mine at Obuasi in Ghana: in    Geologisches Jahrbuch   D100 pp 31-127
Oberthur T, Vetter U, Schwartz M O, Weiser Th, Amanor J, Gyapong W  1991 - Gold Mineralisation at the Ashanti Mine Ghana: Preliminary Mineralogical and Geochemical Data: in Ladeira E A (Ed.),  Brazil Gold 91 Balkema, Rotterdam    pp 533-537
Oberthur T, Weiser T, Amanor J, Chryssoulis S L  1997 - Mineralogical Siting and Distribution of Gold in Quartz Veins and Sulfide Ores of the Ashanti Mine and Other Deposits in the Ashanti Belt of Ghana: Genetic Implications: in    Mineralium Deposita   32 (1997) pp 2-15
Reisberg, L., Le Mignot, E., Andre-Mayer, A.-S., Miller, J. and Bourassa, Y.,  2015 - Re-Os Geochronological Evidence for Multiple Paleo-Proterozoic Gold Mineralizing Events at the Scale of the West African Craton: in Andre-Mayer, A.-S., Cathelineau, M., Muchez, P., Pirard, E. and Sindern, S., (Eds.), 2015 Mineral Resources in a Sustainable World, Proceeding of the 13th Biennial SGA Meeting, 24-27 August 2015, Nancy, France,   v.4, pp. 1655-1658.
Schmidt Mumm A, Oberthur T, Vetter U, Blenkinsop T G,  1997 - High CO2 content of fluid inclusions in gold mineralisations in the Ashanti Belt, Ghana: a new category of ore forming fluids? : in    Mineralium Deposita   v32 pp 107-118
Yao Y and Robb L J,  2000 - Gold mineralization in Palaeoproterozoic granitoids at Obuasi, Ashanti region, Ghana: Ore geology, geochemistry and fluid characteristics : in    S. Afr. J. Geol.   v103 pp 255-278


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