Special Volumes

  1. Journal of African Earth Sciences 2015 Tectonics, mineralisation and regolith evolution of the West African Craton
  2. Precambrian Research 2016 Craton to Regional-scale analysis of the Birimian of West Africa
  3. Ore Geology Reviews 2016 West African Mineral Atlas Monograph
  4. Economic Geology 2017 West African Gold

Publications by WAXI Team


  1. Amponsah, P.O., Salvi, S., Béziat, D., Jessell, M., Siebenaller, L., Baratoux, L. 2015. Geology and geochemistry of the shear-hosted Julie gold deposit, NW Ghana.  J. Afr. Earth Sci. 112, 505-523.
  2. Amponsah, P.O., Salvi, S., Didier, D., Baratoux, L., Siebenaller, L., Jessell, M.W., Nude, P.M., Gyawu, E.A. 2016. Multistage gold mineralization in the Wa-Lawra greenstone belt, NW Ghana; The Bepkong deposit, J. Afr. Earth Sci.120, 220-237. http://dx.doi.org/10.1016/j.jafrearsci.2016.05.005
  3. Amponsah, P.O., Béziat, D., Salvi, S., Baratoux, L., Nude, P.M., Nyarko, R.S., Jessell, M.W. 2016. The Bepkong Gold deposit, NW, Ghana. Ore Geology Reviews. 78, 718-723.
  4. Arhin, E., Zango, S.M. 2015. Unravelling regolith material types using Mg/Al and K/Al plot to support field regolith identification in the savannah regions of NW
    Ghana, West Africa. J. Afr. Earth Sci.  http://dx.doi.org/10.1016/j.jafrearsci.2015.09.007
  5. Arhin, E., Jenkin, G.R.T., Cunningham, D., Nude, P. 2015. Regolith mapping of deeply weathered terrain in savannah regions of the Birimian Lawra Greenstone Belt, Ghana. Journal of Geochemical Exploration,  159, 194–207.http://dx.doi.org/10.1016/j.gexplo.2015.09.008
  6. Ballo, I., Hein, K.A.A., Guindo, B., Sanogo, L.,  Ouologuem, Y., Daou, G., Traore, A. 2016. The syama and tabakoroni goldfields, Mali. Ore Geology Reviews. http://dx.doi.org/10.1016/j.oregeorev.2015.10.019
  7. Baratoux, L., Metelka, V., Naba, S., Jessell, M. W., Grégoire, M., & Ganne, J. 2011. Juvenile Paleoproterozoic crust evolution during the Eburnean orogeny (∼2.2–2.0Ga), western Burkina Faso. Precambrian Research, 191(1-2), 18–45. doi:10.1016/j.precamres.2011.08.010
  8. Baratoux, L., Metelka, V., Naba, S., Ouiya, P., Siebenaller, L., Jessell, M.W., Nare, A., Béziat, D., Salvi, S., Franceschi, G. 2015. Tectonic evolution of the Gaoua region, Burkina Faso: implications for the mineralization.  J. Afr. Earth Sci. http://dx.doi.org/10.1016/j.jafrearsci.2015.10.004
  9. Béziat, D., Siebenaller, L., Salvi, S., Chevalier, P. 2016. A weathered skarn-type mineralization in Ivory Coast: The Ity gold deposit. Ore Geology Reviews. 
  10. Block, S., Ganne, J., Baratoux, L., Zeh, A., Parra-Avila, L.A., Jessell, M., Ailleres, L., Siebenaller, L. 2015. Petrological and geochronological constraints on lower crust exhumation during Paleoproterozoic (Eburnean) orogeny, NW Ghana, West African craton. J. Met. Geol. doi: 10.1111/jmg.12129
  11. Block, S., Jessell, M.W., Ailleres, L., Baratoux, L., Bruguier, O., Zeh, A., Bosch, D., Caby, R., Mensah, E. 2015. Lower crust exhumation during Paleoproterozoic (Eburnean) orogeny, NW Ghana, West African Craton: interplay of coeval contractional deformation and extensional gravitational collapse. Precambrian Research. http://dx.doi.org/doi:10.1016/j.precamres.2015.10.014
  12. Block, S., Jessell, M.W., Ailleres, L., Baratoux, L., Bruguier, O., Zeh, A., Bosch, D., Caby, R., Sagna, R. 2016. Paleoproterozoic juvenile crust formation and stabilisation in the south-eastern West African Craton (Ghana); new insights from U-Pb-Hf zircon data and geochemistry. Precambrian Research, 287, 1-30. http://dx.doi.org/10.1016/j.precamres.2016.10.011
  13. Chardon, D., Grimaud, J-L., Rouby, D., Beauvais, A., Christophoul, F. 2016. Stabilization of large drainage basins over geological time scales: Cenozoic West Africa, hot spot swell growth, and the Niger River. Geochem. Geophys. Geosyst., 17, 1164–1181 http://dx.doi.org/10.1002/2015GC006169
  14. Diene, M., Fullgraf, T., Diatta, F.,  Gloaguen, E.,  Gueye, M.,  Ndiaye, P.M. 2105 Review of the Senegalo-Malian shear zone system – Timing, kinematics and implications for possible Au mineralisation styles. J. Afr. Earth Sci.
  15. Eglinger, A., Thébaud, N., Zeh, A., Davis, J. Miller, J., Parra-Avila, L.A., Loucks, R., McCuaig, T.C., Belousova, E. 2017. New insights into the crustal growth of the Paleoproterozoic margin of the Archean Kéména-Man domain, West African craton (Guinea): Implications for gold mineral systemPrecambrian Research 292 (2017) 258–289. http://dx.doi.org/10.1016/j.precamres.2016.11.012
  16. Feng, X., Gerbault, M., Martin, R., Ganne, J., Jessell, M.W. 2016. 3-D numerical modelling of the influence of pre-existing faults and boundary conditions on the distribution of deformation: example of North-Western Ghana. Submitted Precambrian Research.
  17. Fisher, L.A., Fougerouse, D., Cleverley, J.S., Ryan, C.G., Micklethwaite, S., Halfpenny, A., Hough, R.M., Gee, M., Paterson, D., Howard, D.L., Spiers, K. 2015. Quantified multi-scale X-ray fluorescence element mapping using the Maia detector array: application to mineral deposit studies. Mineralium Deposita, 50, 665–674. http://dx.doi.org/10.1007/s00126-014-0562-z
  18. Fontaine, A., Eglinger, A., Ada, K., André-Mayer, A.-S., Reisberg, L., Siebenaller, L., Le Mignot, E., Ganne, J., Poujol, M. 2016. Geology of the world-class Kiaka polyphase gold deposit, West African Craton, Burkina Faso, Journal of African Earth Sciences, http://dx.doi.org/10.1016/j.jafrearsci.2016.11.017
  19. Fougerouse, D., Micklethwaite, S.,Halfpenny, A., Reddy, S.M., Cliff, J.B., J. Martin, L.A., Kilburn, M., Guagliardo, P., Ulrich, S. 2016. The golden ark: arsenopyrite crystal plasticity and the retention of gold through high strain and metamorphism. Terra Nova, 28, 181-187. http://dx.doi.org/10.1111/ter.12206
  20. Fougerouse, D., Micklethwaite, S., Tomkins, A.G., Mei, Y.,  Kilburn, M.,  Guagliardo, P., Fisher, L.A., Halfpenny, A., Gee, M., Paterson, D., Howard, D.L. 2016. Gold remobilisation and formation of high grade ore shoots driven by dissolution-reprecipitation replacement and Ni substitution into auriferous arsenopyrite, Geochimica et Cosmochimica Acta, 178, 143-159, http://dx.doi.org/10.1016/j.gca.2016.01.040.
  21. Fougerouse, D., Micklethwaite, S., Ulrich, S., Miller, J., Godel, B., Adams, D.T. McCuaig, T.C. 2017. Evidence for Two Stages of Mineralization in West Africa’s Largest Gold Deposit: Obuasi, Ghana. Economic Geology, v. 112, i. 1, p. 3-22. http://dx.doi.org/10.2113/econgeo.112.1.3
  22. Ganne, J., De Andrade, V., Weinberg, R. F., Vidal, O., Dubacq, B., Kagambega, N., … Allibon, J. 2011. Modern-style plate subduction preserved in the Palaeoproterozoic West African craton. Nature Geoscience, 5(1), 60–65. doi:10.1038/ngeo1321
  23. Goldfarb, R.J., André-Mayer, A-S. 2017. West African Gold. Economic Geology, v. 112, i. 1, p. 1-2. http://dx.doi.org/10.2113/econgeo.112.1.1
  24. Goldfarb, R.J., André-Mayer, A-S., Jowitt, S.M., Mudd, G.M. 2017. West Africa: The World’s Premier Paleoproterozoic Gold Province. Economic Geology, v. 112, i. 1, p. 123-143. http://dx.doi.org/10.2113/econgeo.112.1.123
  25. Grimaud, J.-L., Chardon, D., & Beauvais, A. 2014. Very long-term incision dynamics of big rivers. Earth and Planetary Science Letters, 405, 74–84. doi:10.1016/j.epsl.2014.08.021
  26. Grimaud, J.L.,  Chardon, D.,  Metelka, V.,  Beauvais, A., Bamba, O. 2015. Neogene cratonic erosion fluxes and landform evolution processes from regional regolith mapping (Burkina Faso, West Africa).  Geomorphology. http://dx.doi.org/10.1016/j.geomorph.2015.04.006
  27. Hein, K.A.A.,  Matsheka, I.R., Bruguier, O., Masurel, Q., Bosch, D., Caby, R., Monie, P. 2016. The Yatela gold deposit: 2 billion years in the making. Ore geology Reviews. 
  28. Hein, K.A.A., Tshibubudze, A. 2016. Manganese deposits of the Oudalan province in the northeast of Burkina Faso, and Ansongo Inlier in eastern Mali, Ore Geology Reviews, http://dx.doi.org/10.1016/j.oregeorev.2015.11.008.
  29. Hein, K.A.A. 2016. The Bagassi gold deposits on the eastern margin of the Houndé greenstone belt, Burkina Faso, Ore Geology Reviews, http://dx.doi.org/10.1016/j.oregeorev.2015.10.028.
  30. Hein, K. A. A. 2010. Succession of structural events in the Goren greenstone belt (Burkina Faso): Implications for West African tectonics. Journal of African Earth Sciences, 56(2-3), 83–94. doi:10.1016/j.jafrearsci.2009.06.002
  31. Hein, K. A. A., & Funyufunyu, T. A. 2014. Artisanal mining in Burkina Faso: A historical overview of iron ore extraction, processing and production in the Dem region. The Extractive Industries and Society. doi:10.1016/j.exis.2014.04.004
  32. Hein, Kim A.A. 2016. West African Mineral Atlas Monograph. Ore Geology Reviews, 78, 556–557. http://dx.doi.org/10.1016/j.oregeorev.2016.04.001
  33. Heron, K., Jessell, M.W., Harris, E.M., Benn, K., Crawley, Q. 2016. The Tasiast Deposit. Ore Geology Reviews 10.1016/j.oregeorev.2015.08.020
  34. Jessell, M.W., Boamah, K., Duodu, J.A., Ley-Cooper, Y. 2015. Geophysical evidence for a major paleochannel within the Obosum Group of the Volta Basin, Northern Region, Ghana. J. Afr. Earth Sci. http://dx.doi.org/10.1016/j.jafrearsci.2015.04.007
  35. Jessell, M.W., Santoul, J., Baratoux, L., Youbi, N., Ernst, R.E., Metelka, V., Miller, J., Perrouty, S. 2015. An updated map of West African mafic dykes. J. Afr. Earth Sci. doi: 10.1016/j.jafrearsci.2015.01.007
  36. Jessell, M.W., Begg, G.C., Miller, M.S. 2016. The Geophysical Signatures of the West African Craton. Precambrian Research. 10.1016/j.precamres.2015.08.010
  37. Jessell, M.W. 2016. The West African Exploration Initiative (WAXI) – a Case Study in Development Geoscience, AusIMM Bulletin. October 2-16, https://www.ausimmbulletin.com/feature/the-west-african-exploration-initiative-a-case-study-in-development-geoscience/
  38. Jessell, M. W., Amponsah, P. O., Baratoux, L., Asiedu, D. K., Loh, G. K., & Ganne, J. 2012. Crustal-scale transcurrent shearing in the Paleoproterozoic. Precambrian Research, 213, 155–168. doi:10.1016/j.precamres.2012.04.015
  39. Jessell, M.W., Liegeois, J.P. 2015. 100 years of research on the West African Craton.  J. Afr. Earth Sci. http://dx.doi.org/10.1016/j.jafrearsci.2015.10.008
  40. Jessell, M.W., Cawood, P.A., Miller, J.M. 2016. Editorial: Craton to Regional-scale analysis of the Birimian of West Africa. Precambrian Research. http://dx.doi.org/10.1016/j.precamres.2015.12.014
  41. Kríbek, B., Sykorová, I., Machovic, V., Knésla, I., Laufeka, F., Jirí Zachariásd, J. 2015. The origin and hydrothermal mobilization of carbonaceous matterassociated with Paleoproterozoic orogenic-type gold deposits of West Africa. Precambrian Research 270, 300–317. http://dx.doi.org/10.1016/j.precamres.2015.09.017
  42. Kríbek, B., Zachariáš, J., Knésl, I., Míková, J., Mihaljevic, M., Veselovskýa, F., Bamba, O. 2016. Geochemistry, mineralogy, and isotope composition of Pb, Zn, and Cu in primary ores, gossan and barren ferruginous crust from the Perkoa base metal deposit, Burkina Faso. Journal of Geochemical Exploration, 168, 49–64. http://dx.doi.org/10.1016/j.gexplo.2016.05.007
  43. Lebrun, E. Tebaud, N.,  Miller, J.M., Ulrich, S.,  Bourget, J.,  Terblanche, O. 2016.  Geochronology and lithostratigraphy of the Siguiri district: Implications for gold mineralisation in the Siguiri Basin (Guinea, West Africa).  Precambrian Research  http://dx.doi.org/doi:10.1016/j.precamres.2015.10.011
  44. Lebrun, E., Miller, J., Thébaud, N., Ulrich, S., McCuaig, T.C. 2017. Structural Controls on an Orogenic Gold System: The World-Class Siguiri Gold District, Siguiri Basin, Guinea, West Africa. Economic Geology, v. 112, i. 1, p. 73-98. http://dx.doi.org/10.2113/econgeo.112.1.73
  45. Le Mignot, E., Siebenaller, L., Béziat, D., André-Mayer, A-S., Reisberg, L., Salvi, S., Velasquez, G., Zimmermann, C., Naré, A., Franceschi, G. 2017. The Paleoproterozoic Copper-Gold Deposits of the Gaoua District, Burkina Faso: Superposition of Orogenic Gold on a Porphyry Copper Occurrence? Economic Geology, v. 112, i. 1, p. 99-122. http://dx.doi.org/10.2113/econgeo.112.1.99
  46. Le Mignot, E., Reisberg, L., André-Mayer, A-S., Bourassa, Y., Fontaine, A., Miller, J. 2017. Re-Os Geochronological Evidence for Multiple Paleoproterozoic Gold Events at the Scale of the West African Craton. Economic Geology, v. 112, i. 1, p. 145-168. http://dx.doi.org/10.2113/econgeo.112.1.145
  47. Lindsay, M. D., Perrouty, S., Jessell, M. W., & Ailleres, L. 2013. Making the link between geological and geophysical uncertainty: geodiversity in the Ashanti Greenstone Belt. Geophysical Journal International, 195(2), 903–922. doi:10.1093/gji/ggt311
  48. Lindsay, M., Perrouty, S., Jessell, M., & Ailleres, L. 2014. Inversion and Geodiversity: Searching Model Space for the Answers. Mathematical Geosciences. doi:10.1007/s11004-014-9538-x
  49. Markwitz, V., Hein, K.A.A., Miller, J.M. 2016. West African Mineral Deposit Database: a review of West African mineral deposits, spatial distribution and mineral endowment. Precambrian Research. 
  50. Markwitz, V., Hein, K.A.A., Jessell, M.W., Miller, J.M. 2016. Metallogenic portfolio of the West Africa Craton, Ore Geology Reviews. http://dx.doi.org/10.1016/j.oregeorev.2015.10.024
  51. Martin, R., Monteiller, V., Komatitsch, D., Perrouty, S., Jessell, M.W., Bonvalot, S., Lindsay, M. 2013. Gravity inversion using wavelet-based compression on parallel hybrid CPU/GPU systems: application to South-West Ghana. Geophys. J. Int. 195, 1594-1619, http://dx.doi.org/doi: 10.1093/gji/ggt334
  52. Masurel, Q., Miller, J.M., Hein, K.A.A., Hanssen, E., Thebaud, N. Ulrich, S., Kaisin, J., Tessougue, S. 2015. The Yatela gold deposit in Mali, West Africa: The final product of a long-lived history of hydrothermal alteration and weathering. Journal of African Earth Sciences. http://dx.doi.org/10.1016/j.jafrearsci.2015.10.006
  53. Masurel, Q., Thébaud, N., Miller, J., Ulrich, S., Hein, K.A.A., Cameron, G., Béziat, D., Bruguier, O., Davis, J.A. 2017. Sadiola Hill: A World-Class Carbonate-Hosted Gold Deposit in Mali, West Africa. Economic Geology, v. 112, i. 1, p. 23-47. http://dx.doi.org/10.2113/econgeo.112.1.23
  54. Masurel, Q., Thébaud, N., Miller, J., Ulrich, S., Roberts, M.P., Béziat, D. 2017. The Alamoutala Carbonate-Hosted Gold Deposit, Kédougou-Kénieba Inlier, West Africa. Economic Geology, v. 112, i. 1, p. 49-72. http://dx.doi.org/10.2113/econgeo.112.1.49
  55. Masurel, Q., Thebaud, N., Miller, J.M., Urlich, S. 2017. The tectono-magmatic framework to gold mineralisation in the Sadiola-Yatela gold camp and implications for the paleotectonic setting of the Kédougou-Kénieba inlier, West Africa, Precambrian Research, 292, 35-56. http://dx.doi.org/10.1016/j.precamres.2017.01.017
  56. Metelka, V., Baratoux, L., Naba, S., & Jessell, M. W. 2011. A geophysically constrained litho-structural analysis of the Eburnean greenstone belts and associated granitoid domains , Burkina Faso , West Africa. Pre, 190, 48–69. doi:10.1016/j.precamres.2011.08.002
  57. Metelka, V., Baratoux, L., Jessell, M.W., Naba, S. 2015. Visible and infrared properties of weathered to unaltered rocks from Precambrian granite greenstone terrains of the West African Craton. J. Afr. Earth Sci. 112, 570-585. http://dx.doi.org/10.1016/j.jafrearsci.2015.10.003
  58. McCuaig, T.C., Fougerouse, D., Salvi, S., LSiebenaller, L., Parra-Avila, L.A., Seed, R., Beziat, D., Andre-Mayer A.-S. 2016. The inata deposit, belahouro district, northern Burkina Faso. Ore Geology Reviews. http://dx.doi.org/10.1016/j.oregeorev.2015.11.014
  59. Ouiya, P., Siebenaller, L.,   Salvi, S., Béziat, D., Naba, S.,  Baratoux, L., Naré, A., Franceschi, G. 2016. The Nassara gold prospect, Gaoua District, southwestern Burkina Faso. Ore Geology Reviews. http://dx.doi.org/10.1016/j.oregeorev.2015.11.026
  60. Parra-Avila, L.A., Bourassa, Y., Miller, J.,  Perrouty, S.,   Fiorentini, M.L.,  McCuaig, T.C. 2015. Age constraints of the Wassa and Benso mesothermal gold deposits, Ashanti Belt, Ghana, West Africa. J. Afr. Earth Sci.
  61. Parra-Avila, L.A., , Belousova, E.,  Fiorentini, M.L.,  Baratoux, L., Davis, J.,  Miller, J.M., McCuaig, T.C. 2016. Crustal evolution of the Paleoproterozoic Birimian terranes of the Baoulé-Mossi domain, southern West African Craton: U–Pb and Hf-isotope studies of detrital zircons, Precambrian Research, Volume 274, March, 25-60, http://dx.doi.org/10.1016/j.precamres.2015.09.005.
  62. Perrouty, S., Aillères, L., Jessell, M. W., Baratoux, L., Bourassa, Y., & Crawford, B. 2012. Revised Eburnean geodynamic evolution of the gold-rich southern Ashanti Belt, Ghana, with new field and geophysical evidence of pre-Tarkwaian deformations. Precambrian Research, 204-205, 12–39. doi:10.1016/j.precamres.2012.01.003
  63. Perrouty, S., Lindsay, M. D., Jessell, M. W., Aillères, L., Martin, R., & Bourassa, Y. 2014. 3D modeling of the Ashanti Belt, southwest Ghana: Evidence for a litho-stratigraphic control on gold occurrences within the Birimian Sefwi Group. Ore Geology Reviews, 63, 252–264. doi:10.1016/j.oregeorev.2014.05.011
  64. Perrouty, S., Jessell, M.W., Bourassa, Y., Miller, J., Apau, D., Siebenaller, L., Velásquez, G., Baratoux, L., Aillères, L., Béziat, D., Salvi, S. 2015. The Wassa mine: a poly-deformed orogenic gold system in southwest Ghana – Implications for regional exploration.  J. Afr. Earth Sci. doi:10.1016/j.jafrearsci.2015.03.003
  65. Perrouty, S., Jessell, M.W., Miller, J., Bourassa, Y., Apau, D., Parra, L., Le Mignot, E., Velásquez, G., Siebenaller, L., Baratoux, L., Aillères, L., Ganne, J., André-Mayer, A.-S., Salvi, S. Béziat, D., 2016. Geological setting of the wassa gold deposit, SW Ghana, Ore Geology Reviews. doi: 10.1016/j.oregeorev.2015.09.024
  66. Salvi, S., Velásquez, G., Miller, J.M., Béziat, D., Siebenaller, L., Bourassa, Y. 2016. The Pampe gold deposit (Ghana): Constraints on sulfide evolution during gold mineralization. Ore Geology Reviews. http://dx.doi.org/10.1016/j.oregeorev.2015.11.006
  67. Salvi, S., Amponsah, P.O., Siebenaller, L., Béziat, D., Baratoux, L., Jessell, M.W. 2016. Shear-related gold mineralization in Northwest Ghana: The Julie deposit, Ore Geology Reviews, . doi:10.1016/j.oregeorev.2015.08.008
  68. Salvi, S., Sangare, A.,  Driouch, Y., Siebenaller, L., Beziat, D., Debat, P., Femenias, O. 2016. The Kalana vein-hosted gold deposit, southern Mali
  69. Traoré, Y.D.,  Siebenaller, L.,  Salvi, S.,  Béziat, D.,  Bouaré, M.L. 2016. Progressive gold mineralization along the Syama corridor, southern Mali (West Africa). Ore Geology Reviews. http://dx.doi.org/10.1016/j.oregeorev.2015.11.003
  70. Tshibubudze, A., Kim A.A. Hein, K.A.A. 2016. Gold mineralisation in the Essakane goldfield in Burkina Faso, West African craton. Ore Geology Reviews. http://dx.doi.org/10.1016/j.oregeorev.2015.10.030
  71. Tshibubudze, A., & Hein, K.A.A. 2013. Structural setting of gold deposits in the Oudalan-Gorouol volcano-sedimentary belt east of the Markoye Shear Zone, West African Craton. Journal of African Earth Sciences, 80, 31–47. doi:10.1016/j.jafrearsci.2012.11.010
  72. Tshibubudze, A., Hein, K. A. A., & Marquis, P. 2009. Journal of African Earth Sciences The Markoye Shear Zone in NE Burkina Faso. Journal of African Earth Sciences. doi:10.1016/j.jafrearsci.2009.04.009
  73. Tshibubudze, A., Hein, K. A. A., Peters, L. F. H., Woolfe, A. J., & McCuaig, T. C. 2013. Oldest U-Pb Crystallisation Age for the West African Craton From the Oudalan-Gorouol Belt of Burkina Faso. South African Journal of Geology, 116(1), 169–181. doi:10.2113/gssajg.116.1.169
  74. Tshibubudze, A., Hein K.A.A., McCuaig, T.C. 2015.  The relative and absolute chronology of strato-tectonic events in the Gorom Gorom granitoid terrane and Oudalan-Gorouol belt, northeast Burkina Faso. J. Afr. Earth Sci.
  75. Williams, P.K., Jessell, M.W., Baratoux, D., Ouedraogo, M.F. 2015. Development of sustainable Social Licenses in West Africa – a work in progress, AusIMM Bulletin. December 2015, https://www.ausimmbulletin.com/feature/development-of-sustainable-social-licences-in-west-africa-a-work-in-progress/
  76. Woodman, K.K., Baratoux, L.,   Somda. A.,  Siebenaller, L. 2016. The Youga gold deposit, Burkina Faso. Ore Geology Reviews.  http://dx.doi.org/10.1016/j.oregeorev.2015.11.015