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A Note on the Occurrence of Columbite in the Younger Granites of the Jos Plateau, Nigeria

Published online by Cambridge University Press:  01 May 2009

T. U. John  and
K. L. Paulo
T. U. John
Affiliation:
c/o Amalgamated Tin Mines of Nigeria, Ltd., Rayfield, Post Office, Jos, N. Nigeria.
K. L. Paulo
Affiliation:
c/o Amalgamated Tin Mines of Nigeria, Ltd., Rayfield, Post Office, Jos, N. Nigeria.
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Abstract

Of the various members of the Younger Granite Complex columbite is found only in the biotite granites. It occurs as an accessory mineral, and varies in amount in different types.

Type
Articles
Information
Geological Magazine , Volume 91 , Issue 3 , June 1954 , pp. 245 - 248
Copyright
Copyright © Cambridge University Press 1954

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References

REFERENCES

Jacobson, R. R. E., 1946. Notes on the Occurrence of Columbite in the Younger Granites. Geol. Surv. Dept., Nigeria, Annual Report for 1945, 26.Google Scholar
Jacobson, R. R. E., and Webb, J. S., 1946. The Pegmatites of Central Nigeria. Bull. xvii, Geol. Surv. Nigeria.Google Scholar
Jacobson, R. R. E., Cawley, A., and Macleod, W. N., 1951. The Occurrence of Columbite in Nigeria. Occasional Paper No. 9, Geol. Surv. Nigeria.Google Scholar
Mackay, R. A., Greenwood, R., and Rockingham, J. E., 1949. The Geology of the Plateau Tinfields—Resurvey, 1945–1948. Bull. xix, Geol. Surv. Nigeria.Google Scholar