Abstract
IN view of the great importance of manganese ores in modern steel manufacture, much interest is attached to a small book by Dr. A. W. Groves on “Manganese” (Second Edition. Imperial Institute, 1938. 3s. 6d. net). It is one of the series of monographs on mineral production. Ores occur in many lands, but large-scale production is confined to the Soviet Union, India, the Gold Coast, the Union of South Africa, Brazil, Egypt and Cuba. It is noteworthy that with the exception of the Soviet Union and to a small extent the United States, all great steel-producing countries have to rely upon imports from distant lands for their supplies of manganese. These ores are thus one of the most essential constituents of ocean trade. The book gives details of occurrence and production in all lands where the ore has been found and ends with a long bibliography.
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Manganese Ores. Nature 142, 1155 (1938). https://doi.org/10.1038/1421155a0
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DOI: https://doi.org/10.1038/1421155a0