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Jacobsite from the Tamworth district of New South Wales

Published online by Cambridge University Press:  14 March 2018

F.L. Stillwell
Affiliation:
Commonwealth Scientific and Industrial Organization, Melbourne
A. B. Edwards
Affiliation:
Commonwealth Scientific and Industrial Organization, Melbourne

Extract

Two new occurrences of the rare manganese mineral jacobsite (MnFe2O4) have come to light in the course of mineragraphic studies carried out as part of the research programme of the Mineragraphic Section of the Commonwealth Scientific and Industrial Research Organization. The jacobsite occurs as a constituent of small bodies of high-grade manganese ore at Weabonga, near Danglemah, and at the Mount Sally mine, about 6 miles west of Danglemah, both in the Tamworth district of New South Wales.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1951

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References

1 C. L. Knight, Mineral resources of Australia, Summary Rept. no. 7, Manganese, Bureau Min. Res., Geol. Geophys., Australia, 1947, p. 13.

1 J. A. Dunn, A study of some microscopical aspects of Indian manganese-ores. Trans. Nat. Inst. Sci/ India, 1936, vol. 1, no. 7, pp. 103-124 (p. 108). [M.A. 7-157.]

1 L. J. Igelström, Sur la jacobSite de Nordmark et sur les jacobsites ell général. Bull. Soc. Franq. Min., 1887, vol. 10, p. 185.

1 B. Mason, Mineralogical aspects of the system FeO-F%O3-MnO-Mn2O3. Geol. För. Förh. Stockhohn, 1943, vol. 65, pp. 97-!80 (p ]57). [M.A. 9-32.]