Geology and mineral resources of the Congonhas district, Minas Gerais, Brazil. : A study of pre-Cambrian sedimentary iron formation and associated deposits of hematite and manganese ores.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1957.
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| Series: | Geological Survey professional paper ;
290. |
| Subjects: |
| Item Description: | Part of illustrative matter is folded in pocket. Prepared in cooperation with the Departmento Nacional da Produça︢o Mineral of Brazil under the auspices of the International Cooperation Administration of the United States Dept. of State. |
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| Physical Description: | v, 90 pages : illustrations, maps (part color) color profiles, tables. ; 29 cm. |
| Bibliography: | Bibliography: pages 86-87. |