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Ages of uraninite from two British localities

Published online by Cambridge University Press:  14 March 2018

A. G. Darnley
Affiliation:
Atomic Energy Division, Geological Survey of Great Britain, Young Street, London W. 8
G. H. Smith
Affiliation:
National Chemical Laboratory, Teddington, Middlesex
T. R. D. Chandler
Affiliation:
National Chemical Laboratory, Teddington, Middlesex
D. F. Dance
Affiliation:
Atomic Energy Research Establishment, Harwell, Berkshire
E. R. Preece
Affiliation:
Atomic Energy Research Establishment, Harwell, Berkshire

Summary

Uraninite from Geevor Mine, Cornwall, has been analysed by the complete lead method and an age of 290±7 million years has been accepted. Similar studies of uranium from Tyndrum Mine, Perthshire, give an age of 230±8 million years. The significance of the results is briefly considered.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1960

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References

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