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 ...
Report of the seminar on new metals and minerals: Addis Ababa, 5 - 10 february 1968
This paper deals on the Seminar on New Metals and Minerals was convened at Africa Hall, Addis Ababa, from 5-10 February 1968. It was attended by experts from ten member States of ECA, and by four consultants invited from ...
Aspects de l'activité des organismes publics britanniques dans le domaine de l'évaluation des métaux nouveaux
Un certain nombre d'organismes publics se sont intéresses aux métaux nouveaux durant ces dernières années en Grande Bretagne et, a l'exception peut-être du césium, leurs travaux ont porte sur tous les éléments qui doivent ...
Types of rare metals deposits in Africa and main directions in exploration
This paper talks about rare metals deposits in Africa and developments in modern industry and technique require the application of various rare metals which now are very important for many of the quite delicate fields of ...
A note on new materials and minerals in Madagascar
Beryllium and monazite (with graphite and mica) are two of the most important products of the Malagasy mining industry. The rare earths, mainly in the form of columbo-tantalates, are fairly frequently met with in Madagascar. ...
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 ...
Aspects of work of British Government Institutions in the evaluation of the newer metals
The government bodies mainly concerned are the Institute of Geological Sciences, Warren Spring Laboratory (Ministry of Technology) and the Atomic Energy Research Establishment, but much work has been carried out in close ...
Minéraux nouveaux en Côte-d'Ivoire
La présente note que nous proposons poor le "cycle d'études sur les metaux et minéraux nouveaux" organise a, Addis-Abeba, du 5 au 10 février 1968, par la Commission économique de Nations Unies pour l'Afrique