Beryllium, columbium, rare earths, tantalum, titanium, yttrium and zirconium in Uganda : submitted by the Government of Uganda
The distribution, occurrence, methods of mining, ore dressing, reserves, production and planned future exploration efforts in respect of beryllium and columbium-tantalum minerals in Uganda are described. The outlook for ...
Isolation of some rare metals
The importance of rare metals in scientific and technical progress has been steadily increasing since the beginning of this century. At the present time it is difficult to conceive any field of modern science which does ...
Some methods of obtaining niobium and tantalum and their usage
This paper talks about Rapid increase of production of rare metals including niobium and tantalum used in most important field of modern engineering is essential for technical progress. Constant and ever-growing interest ...
Status of development of certain new metals and minerals in Kenya : submitted by the Government of Kenya
This report has been prepared for the Seminar on new Metals and Minerals to be held in Addis Ababa on 5-10 February 1968 under the auspices of the United Nations Economic Commission for Africa. The metals which have "been ...
The outlook for pyrochlore concentrates : a review
World production of pyrochlore has recently outstripped that of columbite, previously the main source of niobium. Columbite is largely a by-product of tin mining, but the new pyrochlore mines depend almost entirely for ...
Industrie minière en Afrique de l'Ouest
Cette étude a été rédigée par M. F.Callot, expert dont les services ont été offerts a la Commission économique pour l'Afrique par le Gouvernement français, au titre de son programme d’assistance technique bilatérale.
Report of the second regional conference of African ministers responsible for the development and utilization of mineral and energy resources
This paper focuses on the report of the second regional conference of African ministers responsible for the development and utilization of mineral and energy resources.
Stabilité du pouvoir politique et rente pétrolière dans les Etats Africains
En 2004, l'Afrique détenait prés de 400 milliards de barils de pétrole de réserves prouvées, soit les deuxièmes plus grandes réserves mondiales, après celles du Moyen-Orient. Par ailleurs, l'Afrique sub-saharienne est la ...
Coal in Africa: Basic proposals for its development: Coal potential and possibilities for increased coal utilization
This report to the Conference of Ministers represents an important of a sequence of publications-under the collective topic: "Coal in Africa Basic Proposals for its- Development" and concentrates on the African
Conference on highway engineering in Africa Addis Ababa April 1974: use of local lime in stabilisation for road bases
A locally produced lime manufactured by burning lime atone has been used to stabilize a micaceous sandy clay gravel for use in the construction of the base of a trunk road. In a laboratory trial, the gain in strength of ...