 | | Journal (article/letter/editorial) | | Africa: A new synthesis of the Archaean geology in Sierra Leone, Liberia, Guinea and Ivory Coast Hugh Rollinson...Africa: A new synthesis of the Archaean geology in Sierra Leone, Liberia, Guinea and Ivory Coast, Precambrian...Africa: a new synthesis of the Archaean geology in Sierra Leone, Liberia, Guinea and Ivory Coast Hugh Rollinson...geochronology of the little-known Archaean rocks in Sierra Leone, Liberia, Guinea and Ivory Coast is presented...different ages. The larger supracrustal belts in Sierra Leone contain a thick basalt-komatiite sequence derived |  | | Journal (article/letter/editorial) | | veins from the Yirisen deposit, Sula Mountains greenstone belt, Masumbiri, Sierra Leone Ibrahim J. Barrie... Abstract The auriferous veins at Yirisen, Masumbiri, Sierra Leone, occurring mainly in the form of sericitic...Mountains greenstone belt; Yirisen; Sierra Leone 1. Introduction The Yirisen gold deposit Žbetween latitude 08849X...08850X N and longitude 11844X and 11845X W, Sierra Leone., accessed by an adit and trenches, is located...the Archean basement complex of north-central Sierra Leone ŽFig. 1a.. Together with other smaller greenstone |  | Gunn, A.G., Dorbor, J.K., Mankelow, J.M., Lusty, P.A.J., Deady, E.A., Shaw, R.A., Goodenough, K.M. (2018) A review of the mineral potential of Liberia. Ore Geology Reviews, 101. 413-431 doi:10.1016/j.oregeorev.2018.07.021 | Journal (article/letter/editorial) | | zones. Gold mining commenced at the New Liberty deposit in western Liberia in 2015, while significant gold...the border with Sierra Leone. Many of these are considered to be part of a single province that includes...includes Jurassic age diamondiferous kimberlites in Sierra Leone and Guinea. Deposits and occurrences of a wide...Liberia is located in West Africa, bordered by Sierra Leone, Guinea, Côte d’Ivoire and to the south-west...north and south of the craton are exposed. The northern part of the craton is known as the Reguibat Shield |  | Pandalai, Hari Shankar, Jadhav, Gajanan Narayanrao, Mathew, Biju, Panchapakesan, V., Raju, K. Krishnam, Patil, M. L. (2003) Dissolution channels in quartz and the role of pressure changes in gold and sulfide deposition in the Archean, greenstone-hosted, Hutti gold deposit, Karnataka, India. Mineralium Deposita, 38 (5) 597-624 doi:10.1007/s00126-002-0345-9 | Journal (article/letter/editorial) | | in the Archean, greenstone-hosted, Hutti gold deposit, Karnataka, India Received: 23 August 2001 / Accepted:...deposition in the Archean, greenstone-hosted Hutti deposit have been studied using fluid inclusions and the...observed in the mineralized quartz veins of the Hutti deposit which provide evidence of transient pressure surges...Estimates of P and T are made for the Hutti gold deposit on the basis of arsenopyrite and chlorite geothermometry...from 8.48·106 t ore averaging 6.60 g/t gold. The deposit is localized around nine, sub-parallel quartz reefs |
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