Buyanhulu Mine (Tanzania) Paste Tailings Facility: Relating Physical and Geochemical Properties of Gold Tailings to Rate of Rise
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Authors: Wates, JA; Rousseau, P; Shuttleworth, J |
DOI https://doi.org/10.36487/ACG_repo/663_14
Cite As:
Wates, JA, Rousseau, P & Shuttleworth, J 2006, 'Buyanhulu Mine (Tanzania) Paste Tailings Facility: Relating Physical and Geochemical Properties of Gold Tailings to Rate of Rise', in R Jewell, S Lawson & P Newman (eds), Paste 2006: Proceedings of the Ninth International Seminar on Paste and Thickened Tailings, Australian Centre for Geomechanics, Perth, pp. 157-167, https://doi.org/10.36487/ACG_repo/663_14
Abstract:
Bulyanhulu Mine in Tanzania is an underground gold mine, located in a semi-arid climatic region where the net evaporation rate exceeds the rate of precipitation. In these regions, the unsaturated pore spaces in tailings, exist under suction pressures, which play an important part in determining engineering behaviour. Slow rates of deposition and consolidation are important in order to achieve the necessary shear strength and volumetric stability. The potential for Acid Rock Drainage (ARD) is also influenced by the geotechnical properties as pore water saturation and primary and secondary (crack) porosity are all important influences on the rate that oxygen can be transported to sulphide minerals, which are the cause of ARD. Geotechnical and geochemical properties were investigated in a 0.6 m layer of tailings. Drying tests were also done in three cylinders. Geochemical reactions were investigated through sulphur speciation tests and modelling with the PYROX sulphide oxidation model.
References:
Bethke, C.M. (1996) Geochemical Reaction Modelling. Oxford University Press. ISBN 0-19-509475-1.
166 Paste2006,Limerick,Ireland
BuyanhuluMine(Tanzania)PasteTailingsFacility… J.A.Wates,etal.
Das, B.M. (1995) Principles of Geotechnical Engineering. 3rd ed. PWS Publishing Company.
Davis, G.B. and Ritchie, A.I.M. (1986) A model of oxidation in pyritic mine wastes, 1, Equations and approximate solution. Appl.
Math. Modell, 10, pp. 314-322.
Evangelou, V.P. (1995) Pyrite oxidation and its control. CRC Press. ISBN 0-8493-4732-7.
Morin, K.A. and Hutt, N.M. (1997) Environmental geochemistry of minesite drainage. practical theory and case studies. MDAG
Publishing. ISBN 0-9682039-0-6.
Perkins, E.H., Nesbitt, H.W., Gunter, W.D., St-Arnaud, L.C. and Mycroft, J.R. (1995) Critical review of geochemical processes and
geochemical models adaptable for prediction of acidic drainage from waste rock. Mine Environmental Neutral Drainage
(MEND) Program Prediction Committee. MEND Project 1.42.1
Price, W.A. (1997) Guidelines and recommended methods for the prediction of metal leaching and acid rock drainage at minesites in
British Columbia. Reclamation Section, Energy and Minerals Division, Ministry of Employment and Investment, Bag 5000,
Smithers, BC. V0J 2N0.
Theron, M., Addis, P., Wates, J. and Shuttleworth J. (2005) Buyanhulu Mine (Tanzania) Paste Tailings Facility: Relating the
unsaturated properties of gold tailings to rate of rise. Paste 2005. April, Santiago, Chile.
Wates, J.A., Strayton, G. and de Swardt, G. (1999) Long term integrity of tailings deposits. Proceedings from Geotechnics for
Developing Africa. ISSMFE Regional Conference. Durban, South Africa.
Wunderly, M.D., Blowes, D.W., Frind, E.O. and Ptacek, C.J. (1996) Sulfide mineral oxidation and subsequent reactive transport of
oxidation products in mine tailings impoundments: A numerical model. Water Resources Research, Vol 32, No10, pp. 3173-
3187.
Paste2006,Limerick,Ireland 167
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