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Fluorspar resources of Africa : geologic setting, production, reserves, outlook for future supply, and relation of fluorspar deposits to rift structures and carbonatites / / by Ralph E. Van Alstine and Paul G. Schruben
| Fluorspar resources of Africa : geologic setting, production, reserves, outlook for future supply, and relation of fluorspar deposits to rift structures and carbonatites / / by Ralph E. Van Alstine and Paul G. Schruben |
| Autore | Van Alstine Ralph Erskine <1914-> |
| Pubbl/distr/stampa | [Reston, Va.] : , : United States Department of the Interior, Geological Survey, , 1980 |
| Descrizione fisica | 1 online resource (iv, 25 pages, 1 page of plates) : illustrations, map |
| Collana | Geological Survey bulletin |
| Soggetto topico |
Fluorspar - Africa
Fluorspar |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Fluorspar resources of Africa |
| Record Nr. | UNINA-9910707831503321 |
Van Alstine Ralph Erskine <1914->
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| [Reston, Va.] : , : United States Department of the Interior, Geological Survey, , 1980 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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NURE geochemical and geophysical surveys--defining prospective terranes for United States placer exploration / / by Andrew E. Grosz and Paul G. Schruben
| NURE geochemical and geophysical surveys--defining prospective terranes for United States placer exploration / / by Andrew E. Grosz and Paul G. Schruben |
| Autore | Grosz A. E (Andrew E.) |
| Pubbl/distr/stampa | Washington : , : United States Government Printing Office, , 1994 |
| Descrizione fisica | 1 online resource (iii, 9 pages) : illustrations, maps (some color) |
| Collana | U.S. Geological Survey bulletin |
| Soggetto topico |
Geochemical prospecting - United States
Heavy minerals - Prospecting - United States Placer deposits - United States Prospecting - United States - Geophysical methods Geochemical prospecting Heavy minerals - Prospecting Placer deposits Prospecting - Geophysical methods |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti |
NURE geochemical & geophysical surveys--prospective terranes, U.S. placer exploration
NURE geochemical and geophysical surveys--prospective terranes, U.S. placer exploration |
| Record Nr. | UNINA-9910708619603321 |
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Grosz A. E (Andrew E.)
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| Washington : , : United States Government Printing Office, , 1994 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Preliminary metallogenic map of North America : a listing of deposits by commodity / / by Michael P. Lee, Philip W. Guild, and Paul G. Schruben
| Preliminary metallogenic map of North America : a listing of deposits by commodity / / by Michael P. Lee, Philip W. Guild, and Paul G. Schruben |
| Autore | Lee Michael P. |
| Pubbl/distr/stampa | [Reston, Virginia] : , : Department of the Interior, U.S. Geological Survey, , 1987 |
| Descrizione fisica | 1 online resource (iv, 138 pages) : illustrations |
| Collana | Geological Survey circular |
| Soggetto topico |
Ore deposits - North America
Raw materials - North America Ore deposits |
| Soggetto genere / forma | Maps. |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Preliminary metallogenic map of North America |
| Record Nr. | UNINA-9910711784303321 |
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Lee Michael P.
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| [Reston, Virginia] : , : Department of the Interior, U.S. Geological Survey, , 1987 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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