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A note on the occurrence of columbite in the Meldon aplite, Devonshire

Published online by Cambridge University Press:  14 March 2018

Oleg von Knorring
Oleg von Knorring*
Affiliation:
Department of Geology, University of Leeds
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Extract

During a departmental excursion to South Devon in April 1951, material was collected from the Meldon aplite quarry near Okehampton, to the north-west of the Dartmoor granite, which on examination has proved to contain the mineral columbite. The mineral is present only in very small amounts and as extremely minute crystals; nevertheless its presence is of considerable interest in that this appears to constitute the first authenticated record of the occurrence of a mineral of the columbite-tantalite series in Britain.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 29 , Issue 215 , December 1951 , pp. 799 - 801
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1951

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References

1 W. F. P. McLintock, On the occurrence of petalite and pneumatolytic apatite in the Meldon aplite, Okehampton, Devonshire. Min. Mag., 1923, vol. 20, pp. 140– 150.

2 Guide to Excursion A.4, Devon and Cornwall (Mineralogical), International Geological Congress, XVIII Session, Great Britain, 1948.