 | Salvi, Stefano, Velásquez, German, Miller, John M., Béziat, Didier, Siebenaller, Luc, Bourassa, Yan (2016) The Pampe gold deposit (Ghana): Constraints on sulfide evolution during gold mineralization. Ore Geology Reviews, 78. 673-686 doi:10.1016/j.oregeorev.2015.11.006 | Journal (article/letter/editorial) | | com/locate/oregeorev The Pampe gold deposit (Ghana): Constraints on sulfide evolution during gold mineralization Stefano...November 2015 Keywords: Ghana Orogenic gold Birimian Ashanti West Africa Gold nanoparticles a b s t r...r a c t The Ashanti belt, a world-renowned gold producing region in southwest Ghana, has received renewed...focused on the major deposits situated along the Ashanti shear zone and in the adjacent Tarkwa Basin to...processes that control gold deposition at the regional scale. At Pampe, gold endowment has been estimated |  | Allibone, A., Hayden, P., Cameron, G., Duku, F. (2004) Paleoproterozoic Gold Deposits Hosted by Albite- and Carbonate-Altered Tonalite in the Chirano District, Ghana, West Africa. Economic Geology, 99 (3) 479-497 doi:10.2113/gsecongeo.99.3.479 | Journal (article/letter/editorial) | | Paleoproterozoic Gold Deposits Hosted by Albite- and Carbonate-Altered Tonalite in the Chirano District, Ghana, West...Supergroup rocks of southwest Ghana host numerous mesothermal lode gold deposits, including the >38 million...(Moz) Ashanti deposit at Obuasi and other multimillion ounce deposits at Bogoso, Konongo, Prestea, Bibiani...Bibiani, and in the Yamfo-Sefwi region. Gold deposits of the Chirano district are localized along the Chirano...zones on the southeast margin of the Sefwi-Bibiani belt. Economically significant mineralization at Chirano |  | Allibone, A., Teasdale, J., Cameron, G., Etheridge, M., Uttley, P., Soboh, A., Appiah-Kubi, J., Adanu, A., Arthur, R., Mamphey, J., Odoom, B., Zuta, J., Tsikata, A., Pataye, F., Famiyeh, S., Lamb, E. (2002) Timing and Structural Controls on Gold Mineralization at the Bogoso Gold Mine, Ghana, West Africa. Economic Geology, 97 (5) 949-969 doi:10.2113/gsecongeo.97.5.949 | Journal (article/letter/editorial) | | and Structural Controls on Gold Mineralization at the Bogoso Gold Mine, Ghana, West Africa ANDREW ALLIBONE...PATAYE, SAMMUEL FAMIYEH, Bogoso Gold Ltd, Airport Post Office, Accra, Ghana AND EDDIE LAMB Resource...Service Group, P.O. Box 16486, Accra, Ghana Abstract The Bogoso gold deposit comprises ~20 open pits scattered...jogs often coincide with intersecting minor faults. Gold is largely confined to the graphitic mylonite, which...folds. Approximately 75 percent of the gold extracted from the Bogoso district has been mined from a cluster |  | | Journal (article/letter/editorial) | | Paleoproterozoic, turbidite-hosted, gold deposits of the Ashanti gold belt (Ghana, West Africa): Comparative analysis...analysis of turbidite-hosted gold deposits and an updated genetic model John Berge ⁎ JB MinQuest, Parkvägen...December 2010 Keywords: Turbidite-hosted gold deposits Graphite–gold association Interflow (chemical) sediments...fluids and gold a b s t r a c t The Paleoproterozoic gold deposits of the Ashanti gold belt, Ghana, occur...suggested in this article to belong to that class of gold deposits recognized as ‘turbidite-hosted’. Hence |  | Ouiya, Pascal, Siebenaller, Luc, Salvi, Stefano, Béziat, Didier, Naba, Séta, Baratoux, Lenka, Naré, Athanase, Franceschi, Guy (2016) The Nassara gold prospect, Gaoua District, southwestern Burkina Faso. Ore Geology Reviews, 78. 623-630 doi:10.1016/j.oregeorev.2015.11.026 | Journal (article/letter/editorial) | | homepage: www.elsevier.com/locate/oregeorev The Nassara gold prospect, Gaoua District, southwestern Burkina Faso...West African Craton Boromo Greenstone Belt Burkina Faso Orogenic gold Shear zone a b s t r a c t The Nassara-Au...prospect is located in the Birimian Boromo Greenstone Belt in southwestern Burkina Faso. It is part of a larger...shales) at the southern termination of the Boromo Belt. Gold is associated with pyrite and other Fe-bearing...distinguished in alteration halos of small quartz–albite–ankerite veins that form networks along the shear |  | | Journal (article/letter/editorial) | | in Austria Evolution of gold mineralization in the Ashanti Gold Belt, Ghana: evidence from carbonate...rocks of the Bogosu and Prestea mining districts of the Ashanti Gold Belt, Ghana. The compositions of coexisting...and composition of fluids in the Bogosu-Prestea mesothermal gold system. Temperatures derived from the...alteration of mafic dikes, and 340 to 140 °C for gold deposition. The latter range occurs on a thin-section...Zusammenfassung Entstehung der Goldvererzung im Ashanti Gold Belt, Ghana: Riickschlfi'sse aus Karbonatzusammensetzungen |  | | Journal (article/letter/editorial) | | Springer-Verlag 1994 Gold mineralization in As-rich mesothermal gold ores of the Bogosu-Prestea mining district...district of the Ashanti Gold Belt, Ghana: remobilization of "invisible" gold A.H. Mumin 1, M.E. Fleet 1, and...1994 Abstract. The Bogosu-Prestea mining district of southwestern Ghana is a 33 km section of the Early...Early Proterozoic Ashanti Gold Belt. Greenschist facies carbonaceous and carbonate-bearing turbidites...and mafic dikes host numerous economic mesothermal gold deposits. Structurally higher ores in the Bogosu |  | Mil�si, J.P., Ledru, P., Ankrah, P., Johan, V., Marcoux, E., Vinchon, Ch. (1991) The metallogenic relationship between Birimian and Tarkwaian gold deposits in Ghana. Mineralium Deposita, 26 (3) doi:10.1007/bf00209263 | Journal (article/letter/editorial) | | relationship between BMmian and Tarkwaian gold deposits in Ghana J.P. Mil~si 1, p. Ledru 1, p. Ankrah z...GeologicalSurvey Department, PO Box M. 80, Accra, Ghana Received: November 14, 1989/Accepted: December 12...traditional concept of the Early Proterozoic gold deposits in Ghana i.e. gold-bearing shear zones overlain by Tarkwaian...Tarkwaian paleoplacers containing reworked gold derived from the shear-zones - needs to be reconsidered...reconsidered in the light of recent research in Ghana, the Ivory Coast and French Guiana. This research has revealed |  | | Journal (article/letter/editorial) | | Evolutionof Hydrothermal Fluidsin the AshantiGoldBelt,Ghana: StableIsotopeGeochemistry of Carbonates, Graphite...aeeretionary complex. Thegoldoresarelocalized withinthe Ashanti structural beltwhichwe suggest becamea conduitfor...and0 to 1.5 per mil for carbon. IN THEBogosu, Prestea, andAshanti goldminingdistricts of 3 to 6 per mil...(e.g.,AnstheEarlyProterozoic (•2.1 Ga)Ashanti goldbeltof Ghana, Studies carbonate minerals andquartzareubiquitous...duringmineral respectively. studies onthe Bogosu-Prestea miningdistrict, fluidinteraction. Controlling parameters |  | Oberthuer, Thomas, Mumm, Andreas Schmidt, Vetter, Ulrich, Simon, Klaus, Amanor, Joe A. (1996) Gold mineralization in the Ashanti Belt of Ghana; genetic constraints of the stable isotope geochemistry. Economic Geology, 91 (2) 289-301 doi:10.2113/gsecongeo.91.2.289 | Journal (article/letter/editorial) | | Vol.91, 1996,pp 289-301 Gold Mineralization in the Ashanti Belt of Ghana: GeneticConstraints of the... AMANOR AshantiGoldfields Company Ltd., Obuasi,Ghana Abstract The Ashantibeltof Ghanaisthekeydistrictof...ofprimary goldmineralization arepresent in theAshanti belt:(1)mesothermal, generally steeplydippingquartzveinsin...theDixcoveorbelt-type granitoids whichoccurwithin (e.g., Rye, 1993)gold deposits (seealsocontributions in the volcanicbelts...carbonin Birimianargillites andchertsfromGhana(Leube Gold Mineralization et al.,1990),anda stableisotope |  | | Journal (article/letter/editorial) | | Formation at the Prestea Mesothermal Vein Gold Deposit in the Birimian System of Ghana a Napoleon Q. Hammond...Formation at the Prestea Mesothermal Vein Gold Deposit in the Birimian System of Ghana, International Geology...Formation at the Prestea Mesothermal Vein Gold Deposit in the Birimian System of Ghana NAPOLEON Q. HAMMOND...Abstract The Prestea lode gold deposit occurs in a graphitic shear zone in the Birimian system of Ghana. The...Proterozoic greenstone assemblage (**« 2100 Ma) with large gold deposits, consisting of a lower unit predominantly |  | Pigois, Jon-Philippe, Groves, David I., Fletcher, Ian R., McNaughton, Neal J., Snee, Lawrence W. (2003) Age constraints on Tarkwaian palaeoplacer and lode-gold formation in the Tarkwa-Damang district, SW Ghana. Mineralium Deposita, 38 (6) 695-714 doi:10.1007/s00126-003-0360-5 | Journal (article/letter/editorial) | | Tarkwaian palaeoplacer and lode-gold formation in the Tarkwa-Damang district, SW Ghana Received: 17 June 2002...epigenetic gold-forming events are recorded in the world-class gold province of southwest Ghana. A pre-Tarkwaian...rise to the world-class (e.g. Prestea) to giant (e.g. Obuasi) orogenic gold deposits which have made the...against derivation of the palaeoplacer gold from an orogenic gold source related to the compressional phase... Instead, they suggest that the gold source was either orogenic gold lodes related to an earlier compressional |  | Kříbek, Bohdan, Sýkorová, Ivana, Machovič, Vladimír, Knésl, Ilja, Laufek, František, Zachariáš, Jiří (2015) The origin and hydrothermal mobilization of carbonaceous matter associated with Paleoproterozoic orogenic-type gold deposits of West Africa. Precambrian Research, 270. 300-317 doi:10.1016/j.precamres.2015.09.017 | Journal (article/letter/editorial) | | matter associated with Paleoproterozoic orogenic-type gold deposits of West Africa Bohdan Kříbek a,∗ , Ivana...September 2015 Keywords: Carbonaceous matter Graphite Gold deposits Paleoproterozoic West Africa a b s t r...orogenic-type gold deposits in Burkina Faso (the Inata deposit), in Mali (the Syama deposit), and in Ghana (the...(the Obuashi and Bogoso deposits). Two types of CM occur in all the studied deposits: metamorphosed and...reserved. 1. Introduction Many mesozonal orogenic gold deposits in metasediments (Groves et al., 2003; |  | Feybesse, Jean-Louis, Billa, Mario, Guerrot, Catherine, Duguey, Emmanuel, Lescuyer, Jean-Luc, Milesi, Jean-Pierre, Bouchot, Vincent (2006) The paleoproterozoic Ghanaian province: Geodynamic model and ore controls, including regional stress modeling. Precambrian Research, 149 (3) 149-196 doi:10.1016/j.precamres.2006.06.003 | Journal (article/letter/editorial) | | initiated the creation of crustal segments (Sefwi, Ashanti, Kibi belts, . . .). This was followed at around...regional-scale, first-order D2 faults (e.g. the Konongo-Ashanti-Prestea Fault) acted as channels exercising a control...displacement and geometry of a rigid block (southeastern Ghana) coinciding with a high stress zone. Tectonic forces...faults centred on the western border of the Ashanti Belt and formed a synclinorium centred on the Tarkwaian...order to determine the relationship between the gold-bearing hydrothermal event and the geodynamic evolution |  | Olson, Steven F., Diakite, Kassoum, Ott, Lawrence, Guindo, Ambogo, Ford, Christopher R. B., Winer, Nicholas, Hanssen, Eric, Lay, Nilda, Bradley, Robin, Pohl, Demetrius (1992) Regional setting, structure, and descriptive geology of the middle Proterozoic Syama gold deposit, Mali, West Africa. Economic Geology, 87 (2) 310-331 doi:10.2113/gsecongeo.87.2.310 | Journal (article/letter/editorial) | | Birimian(2.0-2.2 Ga) greenstonebelt in southernMali. Gold mineralizationis hostedby a thin (0.5-2.0 km) but...veinlets,andbrecciabodies.Pyriteis the principal gold-bearingmineral and occursdisseminatedin veinlet...commonly bleachedby ankerite,albite,andsericitealterationin the pyritic gold-bearingzones.Silica, Na20,... Tim Syamagolddepositis locatedin southernMali Ghana. 0361-0128/92/1313/310-2153.00 near the edge of...ß . x Jea• lOON--. x x '•1 xAux xKalana x GHANA 8ON-- X X X• • X'• x X xX x•.•J•i LEONE %x I' |  | | Book | | Ver' "\ ~~ • THE MINERAL AND ROCK RESOURCES OF GHANA f btYON RALPH Dedicated to my parellfs for not...ISBN 90 6191 597 X paper edition only for sale in Ghana © 1985 A.A.Balkema, P.O.Box I 675, 3000 BR Rotterdam...REPUBLIC OF GHANA- GEOGRAPHY,PHYSIOGRAPHY,GEOLOGY AND GEOHYDROLOGY 6 3. THE MINERALRESOURCESOF GHANA - BACKGROUND...EXPLOITATION IN GHANA 572 12. TABLES OF SUMMARY OF MINERAL AND ROCK RESOURCESOF GHANA 577 13. LEGISLATION...590 APPENDIX 597 INDEX 602 V Preface The Ghana Geological SuJ;"vey DepaJ;"tment in 1.962, published |  | | Journal (article/letter/editorial) | | Mineralogy and Mineral Chemistry of the Ashanti Gold Deposit at Obuasi, Ghana Shiloh OSAE*, Katsuo KASE** and...Abstract: The gold deposit at Ashanti occurs in the Proterozoic Birimian formation of Ghana. Two main ore...types mined from the deposit are gold-bearing quartz veins, and gold-sulfide disseminations in metasediments...metavolcanics. The main sulfide minerals in the gold-sulfide disseminated ores are arsenopyrite, pyrite...arsenopyrite commonly occur in small amounts, but gold mostly occurs in contact with tetrahedrite, chalcopyrite |  | | Journal (article/letter/editorial) | | West Africa: The World’s Premier Paleoproterozoic Gold Province* Richard J. Goldfarb,1, 2,† Anne-Sylvie...approximate 10,000-metric ton (t) gold endowment, is one of the world’s great gold provinces and the largest...largest Paleoproterozoic gold-producing region. The gold resources are concentrated within the 2250 to 2000...major orebodies are best classified as orogenic gold deposit types, although there are paleoplacer and...belts, and perhaps local intrusionrelated gold systems. The gold-hosting, mainly greenschist metamorphic |  | | Journal (article/letter/editorial) | | quartz-pebbles of the gold-bearing Tarkwaian conglomerates of Ghana as guides to their provenance area R. Klemd 1...Proterozoic Aubearing Tarkwaian conglomerates in Ghana reveal several original (inherited) pre-sedimentary...inclusions in quartz-vein type gold deposits of the Birimian Supergroup in Ghana and Burkina Faso. This type...inclusions has not been reported from any other lode-gold deposit of greenstone affiliation and is thus a...a specific characteristic for Birimian-hosted gold deposits. Therefore, it can be used as an unequivocal |  | | Journal (article/letter/editorial) | | Relationship between gold and manganese mineralizations in the Birimian of Ghana, West Africa Y. NTIAMOAH-AGYAKWA...relationship with gold mineralization are still in progress. Both manganese and gold occur as stratabound...conditions, other elements associated with Birimian gold mineralization, notably copper and arsenic, are...be a useful pathfinder element in the search for gold in tropical lateritic soils derived from Precambrian...greenstones. 1. Introduction The Tarkwaian belt of Ghana (Fig. 1), where mining activities date back |  | | Journal (article/letter/editorial) | | Proterozoic Birimian Supergroup of Ghana and Some Aspects of its Associated Gold Mineralization ALFRED LEUBE...2Geological Survey Department, Box M80, Accra (Ghana) Abstract Leube, A., Hirdes, W., Mauer, R. and...Proterozoic Birimian Supergroup of Ghana and some aspects of its associated gold mineralization. Precambrian..._+66 Ma) form part of the West African craton. Ghana contains the eastern portion of the Birimian terrane...chemistry ), characterize the Birimian Supergroup of Ghana. The belts are separated by basins containing isoclinally |  | Le Mignot, Elodie, Reisberg, Laurie, André-Mayer, Anne-Sylvie, Bourassa, Yan, Fontaine, Arnaud, Miller, John (2017) Re-Os Geochronological Evidence for Multiple Paleoproterozoic Gold Events at the Scale of the West African Craton. Economic Geology, 112 (1) 145-168 doi:10.2113/econgeo.112.1.145 | Journal (article/letter/editorial) | | Geochronological Evidence for Multiple Paleoproterozoic Gold Events at the Scale of the West African Craton Elodie...Archean-Proterozoic craton of West Africa hosts numerous gold deposits, which are spatially and temporally related...multiple deformation events. The majority of these gold deposits are located along shear zones. The structural...history is relatively well established for most gold deposits, but absolute timing of the mineralization...of gold events: Nassara and Kiaka in Burkina Faso and Wassa, Damang, and Obuasi in southern Ghana. Gold |  | GUEYE, M., VAN DEN KERKHOF, A. M., HEIN, U. F., DIENE, M., MUCKE, A., SIEGESMUND, S. (2013) STRUCTURAL CONTROL, FLUID INCLUSIONS AND CATHODOLUMINESCENCE STUDIES OF BIRIMIAN GOLD-BEARING QUARTZ VEIN SYSTEMS IN THE PALEOPROTEROZOIC MAKO BELT, SOUTHEASTERN SENEGAL. South African Journal of Geology, 116 (2) 199-218 doi:10.2113/gssajg.116.2.199 | Journal (article/letter/editorial) | | STUDIES OF BIRIMIAN GOLD-BEARING QUARTZ VEIN SYSTEMS IN THE PALEOPROTEROZOIC MAKO BELT, SOUTHEASTERN SENEGAL...The Paleoproterozoic Mako Belt in eastern Senegal is characterised by gold-bearing quartz veins. These...rocks in an Early Proterozoic greenstone belt. In the Mako Belt the multi-stage deformed quartz veins and...quartz. Gold in the mineralised zones occurs either as inclusions in pyrite or as native gold. Mineralisation...phase separation from a heterogeneous H2O-CO2 fluid. Gold deposition occurs over a temperature range of 220 |  | | Journal (article/letter/editorial) | | formed 26 between ca. 2.5 - 2.3 Ga, nearly all gold, porphyry copper, lead-zinc and sedimentary 27...distinguished by major Precambrian 30 IOCG’s, copper-gold that formed at ca. 2.1 Ga and approx. 680 Ma, and... Mineral Deposit Database highlight that gold and non-gold commodities formed in multiple 37 phases...of iron 38 ore, nickel sulphides, diamonds and gold in the earth’s crust. The pre-Eburnean or Tangaean-...EoEburnean-Eburnean I Event yielded gold, and the major Eburnean Orogeny yielded gold, 40 iron ore, manganese |  | | Journal (article/letter/editorial) | | early regional zone of decollement. Bicentennial Gold '88, Geol. Soc. Aust. Abs. 23:212-214 Whalen, J...Olmsted, J.F. (1988) Geochemistry and origin of albite gneisses, northeastern Adirondack Mountains, New... Lehmann A radiotracer study on the kinetics of gold sorption by mineral surfaces B. Thomson, A.E. Fallick...Gros, P. Piantone Dynamics of shallow late-variscan gold mineralization: the Le Chgltelet Au-arsenopyrite...Lawrance, B.J. Griffin Crystal features of supergene gold at Hannan South, Western Australia P. M6Uer, G |
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