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Ages of some uranium and thorium minerals from East and Central Africa

Published online by Cambridge University Press:  14 March 2018

A. G. Darnley ,
J. E. T. Horne ,
G. H. Smith ,
T. R. D. Chandler ,
D. F. Dance  and
E. R. Preece
A. G. Darnley
Affiliation:
Atomic Energy Division, Geological Survey of Great Britain
J. E. T. Horne
Affiliation:
Atomic Energy Division, Geological Survey of Great Britain
G. H. Smith
Affiliation:
National Chemical Laboratory, TeddingtonMiddlesex
T. R. D. Chandler
Affiliation:
National Chemical Laboratory, TeddingtonMiddlesex
D. F. Dance
Affiliation:
Atomic Energy Research Establishment, HarwellBerkshire
E. R. Preece
Affiliation:
Atomic Energy Research Establishment, HarwellBerkshire
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Summary

The following ages determined by the complete lead method have been accepted for minerals from a number of localities: uraninite, Nkana, Northern Rhodesia, 522±15 m.y. ; brannerite, Kansanshi, Northern Rhodesia, 503±15 m.y. ; uraninite, Shinkolobwe, Katanga, 642±20 m.y. ; davidite, Mavuzi, Mozambique, 578±15 m.y.; monazite, Monkey Bay, Nyasaland, 597±25 m.y.; samarskite, north-west Kenya, 635±25 m.y. The significance of the results is briefly considered.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 32 , Issue 252 , March 1961 , pp. 716 - 724
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1961

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References

Bannister, (F. A.) and Horne, (J. E. T.), 1950. Min. Mag., vol. 29, p. 101.Google Scholar
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