 | Ballo, Ibrahima, Hein, Kim A.A., Guindo, Boukary, Sanogo, Lassana, Ouologuem, Yalema, Daou, Gaoussou, Traore, Amadou (2016) The Syama and Tabakoroni goldfields, Mali. Ore Geology Reviews, 78. 578-585 doi:10.1016/j.oregeorev.2015.10.019 | Journal (article/letter/editorial) | | The syama and tabakoroni goldfields, Mali Ibrahima Ballo, Kim A.A. Hein, Boukary Guindo...Daou, Gaoussou, Traore, Amadou, The syama and tabakoroni goldfields, Mali, Ore Geology Reviews (2015), doi:...pertain. ACCEPTED MANUSCRIPT The Syama and Tabakoroni goldfields, Mali Ibrahima BALLOa; Kim A.A. HEINb;...Des Mines de Syama (SOMISY SA) Rue 50, Porte 688; BP-E 1582 Bamako, SC R Badalabougou, Mali: ibrahimab@somisy...Abstract Gold deposits in the Syama and Tabakoroni goldfields in southern Mali occur along a north-northeast |  | 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) | | andDescriptiveGeologyof the Middle ProterozoicSyamaGold Deposit,Mali, West Africa STEVEN F. OLSON,* KASSOUM DIAKITE,...DEMETRIUS POHL* BHP-UtahMali, Inc., B.P. 2856, Bamako,Mali Abstract The Syamagold depositlies in a Birimian(2...hostof the mineralization;it is commonly bleachedby ankerite,albite,andsericitealterationin the pyritic gold-bearingzones...of the middle ProterozoicBirimian 310 SYAMA Au DEPOSIT, MALI, WEST AFRICA 12Ow IOOW 8iW I 6iW 311...311 4øW --14ON ' Loul• M A L I o Bamako SYAMA 12øN -- , ' ' of'•fi•u'r.; ' . B R A I |  | Salvi, S., Sangaré, A., Driouch, Y., Siebenaller, L., Béziat, D., Debat, P., Femenias, O. (2016) The Kalana vein-hosted gold deposit, southern Mali. Ore Geology Reviews, 78. 599-605 doi:10.1016/j.oregeorev.2015.10.011 | Journal (article/letter/editorial) | | The Kalana vein-hosted gold deposit, southern Mali S. Salvi a,⁎, A. Sangaré b,c, Y. Driouch b, L. Siebenaller...Exploration, 3503 Av. Al Qods Hippodrome, BP 2699 Bamako, Mali d Avnel Gold Mining Limited, 39 Cheval Place, London...domain of the West African Craton, in the south of Mali. These formations are intruded successively by small... Oberthür et al., 1994; Allibone et al., 2002). Mali is second to Ghana as leading gold producer in West...Africa, with world-class deposits such as Morila and Syama to the south, and Sadiola, Yatela and Loulo to the |  | 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) | | distinguished in alteration halos of small quartz–albite–ankerite veins that form networks along the shear zone...altered to an assemblage of albite, chlorite, ankerite, quartz and pyrite (Figs. 5, 6b). This alteration...clearly related to a network of quartz–albite–ankerite veins 5 that occur in all rock types. These...pyrite crystal grown at the expense of a rutile–ankerite association (Rt-ank). Note the evolution stages...upper-left to bottom-right by association of rutile–ankerite going to sieve-textured rutile–pyrite (Rt-Py1) |  | | Journal (article/letter/editorial) | | deposits discovered, delineated and 62 developed in Mali, Mauritania, Senegal, Burkina Faso, Ghana and Cote...Ma in the Kédougou-Kéniéba Inlier in Senegal and Mali (Dioh et al., 2006), and 2181 172 - 2117 Ma in...1) crops out over 16 000 km2 in Senegal and 180 Mali, and is interpreted as the product of accretion...presence of the volcanic rocks in 247 the Dakar region indicates that magmatic activity, with concomitant...there are a number in Ghana, Burkina Faso and 260 Mali that formed before the Eburnean Orogeny (Tangaean |  | Lawrence, D.M., Allibone, A.H., Chang, Z., Meffre, S., Lambert-Smith, J.S., Treloar, P.J. (2017) The Tongon Au Deposit, Northern Côte d’Ivoire: An Example of Paleoproterozoic Au Skarn Mineralization☼. Economic Geology, 112 (7) 1571-1593 doi:10.5382/econgeo.2017.4522 | Journal (article/letter/editorial) | | Au mineralization in southwest Ghana and western Mali. Dating provides further evidence that Au mineralization...the Boundiali belt 80 km to the west, with the Syama Au deposit located on its western margin (Olson...major curved reverse faults during a period of region-wide contractional deformation (e.g., Twiss and...Burkina Faso 10° N1140000N Sierra Leone 240000E Mali 4° W 200000E 180000E 14° N Senegal 8° W 220000E...Burkina Faso Border Nogbele pluton N Guinea Mali Border 0 Côte d'Ivoire Liberia Abidjan 250 |  | Fougerouse, Denis, Micklethwaite, Steven, Ulrich, Stanislav, Miller, John, Godel, Bélinda, Adams, David T., McCuaig, T. Campbell (2017) Evidence for Two Stages of Mineralization in West Africa’s Largest Gold Deposit: Obuasi, Ghana. Economic Geology, 112 (1) 3-22 doi:10.2113/econgeo.112.1.3 | Journal (article/letter/editorial) | | volcanic rocks Obuasi mine B Sibi su 6º08N A’ Gyabunsu Sansu Gold mine Main thrust faults s...made available by more than 10 years of additional mine development since the last study (Allibone et al...Allibone et al., 2002). The oldest rocks in the Obuasi region of southwestern Ghana consist of the Sefwi Group...exposures were selected on the basis of discussions with mine geologists, as well as from interpretation of three-dimensional...availability of active headings. Most active areas of the mine were studied, including the Block 1, Block 2, Block |  | Masurel, Quentin, Thébaud, Nicolas, Miller, John, Ulrich, Stanislav, Hein, Kim A.A., Cameron, Greg, Béziat, Didier, Bruguier, Olivier, Davis, James A. (2017) Sadiola Hill: A World-Class Carbonate-Hosted Gold Deposit in Mali, West Africa. Economic Geology, 112 (1) 23-47 doi:10.2113/econgeo.112.1.23 | Journal (article/letter/editorial) | | Hill: A World-Class Carbonate-Hosted Gold Deposit in Mali, West Africa* Quentin Masurel,1,† Nicolas Thébaud...rocks that crop out in eastern Senegal and western Mali. The geology of the inlier differs from other Paleoproterozoic...within 3 km of the Senegal-Mali shear zone, and country rocks in the region have undergone polycyclic...transcurrent tectonics, after the cessation of region-wide compressional deformation. The high-temperature...hydrothermal fluid circulation along the Senegal-Mali shear zone. Introduction The Paleoproterozoic terranes |  | | Journal (article/letter/editorial) | | Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana R. J. Bowell a a Department of Geology...Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana, International Geology Review, 36:8, 732-752...Sulfide Oxidation and Production of Gossans, Ashanti Mine, Ghana1 R. J. BOWELL Department of Geology, The...at 00:31 19 March 2015 Abstract At the Justice mine, in the Ashanti goldfields of southwestern Ghana...mineralization and weathering products around the Justice mine in the Ashanti Goldfields concession (Fig. 1) were |  | Lambert-Smith, James S., Allibone, Andrew, Treloar, Peter J., Lawrence, David M., Boyce, Adrian J., Fanning, Mark (2020) Stable C, O, and S Isotope Record of Magmatic-Hydrothermal Interactions Between the Falémé Fe Skarn and the Loulo Au Systems in Western Mali. Economic Geology, 115 (7). 1537-1558 doi:10.5382/econgeo.4759 | Journal (article/letter/editorial) | | Falémé Fe Skarn and the Loulo Au Systems in Western Mali James S. Lambert-Smith,1,† Andrew Allibone,2 Peter...district in the KédougouKéniéba inlier in western Mali and eastern Senegal is one of the most richly endowed...District Morila Mana district, Wona, Kona 12º Syama Siguiri Tongon Kalana Post-Paleoproterozoic rocks...of being separated by a terrane boundary (Senegal-Mali shear zone), which reopens the possibility that...FALÉMÉ Fe SKARN AND THE LOULO Au SYSTEMS, WESTERN MALI 1450N 5 km UTM 29N Gara RG10050 Balangouma Pluton |  | Lawrence, D. M., Treloar, P. J., Rankin, A. H., Boyce, A., Harbidge, P. (2013) A Fluid Inclusion and Stable Isotope Study at the Loulo Mining District, Mali, West Africa: Implications for Multifluid Sources in the Generation of Orogenic Gold Deposits. Economic Geology, 108 (2) 229-257 doi:10.2113/econgeo.108.2.229 | Journal (article/letter/editorial) | | Stable Isotope Study at the Loulo Mining District, Mali, West Africa: Implications for Multifluid Sources...Moz resource), in the Birimian terrane of western Mali, contains a range of mineralogically diverse styles...metamorphic fluids, a “salting out effect”). Introduction MALI is the second leading gold producing country in...African craton (inset Fig. 1). In southern Mali, the Morila, Syama, and Kalana deposits are situated within...in southwest Mali. This highly gold productive/prospective region is known as the west Mali gold belt, |  | 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) | | 16 -intrusive rocks. Sample locations: Sabodala mine (Sabmine); Sabodala south (SabS); Bambaraya (B4);...Sabodala, the largest, currently operational gold mine in Senegal. The structural setting, mineralisation...large-scale transcurrent shear zones like the Senegal-Mali shear zone are spatially associated, suggesting...Senegal-Mali shear zone includes the Loulo and Sadiola districts in western and northern Mali being one...MTZ (Main Transcurrent Zone) and the SMF (Senegal-Mali Fault; Milési et al.1992), and intruded by syn- |  | 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) | | production of Ghana, which was the main gold-producing region in Africa before the discovery of the Witwatersrand...Inata Yatela Sadiola SENEGAL Loulo MALI Siguiri GUINEA Syama Kiaka Poura HO BO Fig.4A Gaoua...completed a new 1:50,000 litho-structural map of this region (Fig. 2) based on interpretation of high-resolution...to be Eoeburnean, and to have affected the Gaoua region from ~2170 to 2140 Ma (Baratoux et al., Table...grains commonly present an anhedral core rich in ankerite and albite inclusions (± monazite, xenotime), |  | | Book | | in a given period, the geographic status of the region, the extent of technological development, and other...universally later (1979, 1987)) postulates a broad source region for ore fluids and metals in deeper parts of the...of typical laddered ribbon veins in the Hollinger mine, Timmins, Ontario. (A): Stippled (1) early, tourmalinebearing...extensional veins in conglomerate in the Hollinger mine (e.g., Figure 34 in Poulsen et al., 2000) appear...lode vein mineralization at the Northern Empire mine in Beardmore. Key evidence that Meguma and Archean |  | Le Mignot, Elodie, Siebenaller, Luc, Béziat, Didier, André-Mayer, Anne-Sylvie, Reisberg, Laurie, Salvi, Stefano, Velasquez, Germán, Zimmermann, Catherine, Naré, Athanase, Franceschi, Guy (2017) The Paleoproterozoic Copper-Gold Deposits of the Gaoua District, Burkina Faso: Superposition of Orogenic Gold on a Porphyry Copper Occurrence?. Economic Geology, 112 (1) 99-122 doi:10.2113/econgeo.112.1.99 | Journal (article/letter/editorial) | | such as auriferous tourmalinites (e.g., Loulo in Mali), Fe(-Cu) deposits (e.g., Falémé in Sénégal) or...gold-bearing sulfide mineralization (e.g., Syama in Mali) and gold paleoplacers (referred to as Tarkwaian...al., 2011) and Loulo (Lawrence et al., 2013) in Mali. This paper presents results obtained during the... 15°N NIGER SENEGAL B) 3°W B) Ouagadougou MALI Dédougou BURKINA FASO GUINEA TO BENIN G 10°N...completed a new 1:50,000 lithostructural map of this region (Fig. 2) based on interpretation of high-resolution |  | | Report (chapter) | | Abosso Agua Rica Ajo Alumbrera Angostura Angren Region Ankerite - Aurnor - D e l n i Antamok Ashanti Atlas-Lutopan...Helena St Ives Sukhoi Log Sunrise Dam Svetlinskoye Syama Target Tarkwa Teberebie Telfer Timmins Division |  | | Book | | metallic deposits in Morocco, Algeria, Tunisia, Mali, Mauritania, Egypt, Sudan, and Eritrea. Originally...the setting and origin of major deposits in the region, together with information on tonnages and grades...reduced granitoid-hosted gold mineralization in Mali, and present fluid inclusion and stable isotope...comparisons and contrasts with MVT deposits in the region. The last part is focused on sediment-hosted iron...Rare-Metal Deposits A Review of Gold Mineralization in Mali . . . . . . . . . . . . . . . . . . 327 David M |  | | Report (volume) | | Gordon P. Eaton, Director Published in the Central Region, Denver, Colorado Manuscript approved for publication...Grupo Roraima e Interpretation Petrologica en la Region del Noreste del Parque Nacional Canaima, Estado...and Petrologic Interpretation in the Northeast Region of Canaima National Park, Estado Bolivar, Venezuela)...del Cerro Impacto estan localizados dentro de la region del Grupo Cuchivero. La kimberlita fue intrusionada...minerals in the quartz veins. Carbonate (commonly ankerite) in the quartz veins and carbonate alteration |  | | Book | | dispersion mechanisms that have operated in each region and environment and indicate suitable exploration...transition Mean annual rainfall (mm) Climatic region TABLE 1.1-2 Climatic regions of pedogenetic significance...1989b), with some of the iron ores of the Hamersley region being products of deep supergene weathering about...dispersion models being developed in each climatic region. The differences between equivalent models are...approach would have particular value in a restricted region, for which landforms or facets are well defined |
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Syama Mine, Syama goldfield, Kadiolo Cercle, Sikasso Region, Mali