 | 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) | | GOLD-BEARING QUARTZ VEIN SYSTEMS IN THE PALEOPROTEROZOIC MAKO BELT, SOUTHEASTERN SENEGAL M. GUEYE Institute...Earth Sciences, University Ch. A. Diop, Dakar (Senegal) email: mgueye@refer.sn A.M. VAN DEN KERKHOF AND...Earth Sciences, University Ch. A. Diop, Dakar (Senegal) email: mahamadane@netcourrier.com A. MÜCKE AND...Paleoproterozoic Mako Belt in eastern Senegal is characterised by gold-bearing quartz veins. These are superimposed...belt. In the Mako Belt the multi-stage deformed quartz veins and hydrothermally altered protoliths are |  | Lawrence, D. M., Treloar, P. J., Rankin, A. H., Harbidge, P., Holliday, J. (2013) The Geology and Mineralogy of the Loulo Mining District, Mali, West Africa: Evidence for Two Distinct Styles of Orogenic Gold Mineralization. Economic Geology, 108 (2) 199-227 doi:10.2113/econgeo.108.2.199 | Journal (article/letter/editorial) | | second or higher order shears associated with the Senegal-Mali shear zone, with gold mineralization largely...sandstones and breccias mainly within 2 km of the Senegal-Mali shear zone. These deposits are characterized...contrast, Yalea-style deposits are associated with quartz ± ankerite vein lodes and disseminated sulfide...brittle-ductile, shears up to 8 km away from the Senegal-Mali shear zone. Wall-rock alteration is characterized...assemblages consisting of chlorite-sericite-carbonate-quartz ± albite. Ore paragenesis is enriched in As, mainly |  | 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) | | inclusions show evidence of fluid unmixing from reduced (quartz-faylite-magnetite, QFM, buffered), low-salinity...southwest Mali. This highly gold productive/prospective region is known as the west Mali gold belt, and includes...LAWRENCE ET AL. 12°W 6°W 0° Mako Series N 14°N SENEGAL Yatela Sadiola MALI KKI Loulo BURKINA FASO... SZ Rive r SM Falé Bab Z Sabodala MT Bambaraya 13° N Sitakili Gara L-3 Makana 13° N Yalea...Yalea Segala Massawa Tabakoto Gounkoto Saraya Bambadji Kenieba a bi am G r ve Ri Kedougou 12 |
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