Distribution and abundance of gold and other selected elements in altered bedrock, Empire Mining District, Clear Creek County, Colorado : a study of the geological and geochemical relationships of gold anomalies to those of tellurium, tin, bismuth, silver, and manganese / / by Maurice A. Chaffee |
Autore | Chaffee Maurice A. |
Pubbl/distr/stampa | [Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1972 |
Descrizione fisica | 1 online resource (iii, 23 pages) : illustrations |
Collana |
Geological Survey bulletin
Contributions to geochemical prospecting for minerals |
Soggetto topico |
Geochemical prospecting - Colorado - Clear Creek County
Gold ores - Colorado - Clear Creek County Ore deposits - Colorado - Clear Creek County Geochemical prospecting Gold ores Ore deposits |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Distribution and abundance of gold and other selected elements in altered bedrock, Empire Mining District, Clear Creek County, Colorado |
Record Nr. | UNINA-9910707394803321 |
Chaffee Maurice A. | ||
[Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1972 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado / / by Robert H. Moench and Avery Ala Drake, Jr. ; prepared on behalf of the U. S. Atomic Energy Commission |
Autore | Moench Robert Hadley <1926-> |
Pubbl/distr/stampa | [Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1966 |
Descrizione fisica | 1 online resource (v, 91 pages, 3 pages of plates) : illustrations, maps (some color) |
Collana | Geological Survey bulletin |
Soggetto topico |
Ore deposits - Colorado - Clear Creek County
Mines and mineral resources - Colorado - Clear Creek County Geology, Economic - Colorado - Gilpin County Ore deposits - Colorado - Gilpin County Mines and mineral resources - Colorado - Gilpin County |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Economic geology, Idaho Springs district, Colorado |
Record Nr. | UNINA-9910704392903321 |
Moench Robert Hadley <1926-> | ||
[Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1966 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado / / by J.E. Harrison and J.D. Wells |
Autore | Harrison Jack Edward <1924-> |
Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1959 |
Descrizione fisica | 1 online resource (v, 92 pages) : illustrations, maps + + 13 plates |
Collana | Geological Survey professional paper |
Soggetto topico |
Geology - Colorado - Clear Creek County
Ore deposits - Colorado - Clear Creek County Petrology - Colorado - Clear Creek County Geology Ore deposits Petrology |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910706580303321 |
Harrison Jack Edward <1924-> | ||
Washington : , : United States Department of the Interior, Geological Survey, , 1959 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Geology and ore deposits of the Freeland-Lamartine district, Clear Creek County, Colorado / / by J. E. Harrison and J. D. Wells |
Autore | Harrison Jack Edward <1924-> |
Pubbl/distr/stampa | [Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1956 |
Descrizione fisica | 1 online resource (v, 33-127 pages, 10 pages of plates) : illustrations, maps, charts |
Collana |
Geological Survey bulletin
Geology and ore deposits of Clear Creek, Gilpin, and Larimer Counties, Colorado |
Soggetto topico |
Geology - Colorado - Clear Creek County
Ore deposits - Colorado - Clear Creek County Geology Ore deposits |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Geology and ore deposits of Clear Creek, Gilpin, and Larimer Counties, Colorado |
Record Nr. | UNINA-9910704266703321 |
Harrison Jack Edward <1924-> | ||
[Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1956 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Geology and ore deposits of the Lawson-Dumont-Fall River district, Clear Creek County, Colorado / / by C.C. Hawley and Frank Baker Moore ; prepared on behalf of the U. S. Atomic Energy Commission |
Autore | Hawley C. C (Charles Caldwell), <1929-> |
Pubbl/distr/stampa | [Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1967 |
Descrizione fisica | 1 online resource (vi, 92 pages, 4 pages of plates) : illustrations, maps (some color) |
Collana | Geological Survey bulletin |
Soggetto topico |
Geology - Colorado - Clear Creek County
Ore deposits - Colorado - Clear Creek County Geology |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Lawson-Dumont-Fall river district, Colorado |
Record Nr. | UNINA-9910707169203321 |
Hawley C. C (Charles Caldwell), <1929-> | ||
[Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1967 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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Utilization of mull (forest humus layer) in geochemical exploration in the Empire district, Clear Creek County, Colorado : sampling of the forest humus layer may be an effective geochemical tool in areas where the bedrock is covered by colluvium or glacial drift / / by Gary C. Curtin [and four others] |
Autore | Curtin Gary C. <1935-> |
Pubbl/distr/stampa | [Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1971 |
Descrizione fisica | 1 online resource (iv, 39 pages) : illustrations |
Collana |
Geological Survey bulletin
Contributions to geochemical prospecting for minerals |
Soggetto topico |
Forest soils - Colorado - Clear Creek County
Geochemical prospecting - Colorado - Clear Creek County Ore deposits - Colorado - Clear Creek County Forest soils Geochemical prospecting Ore deposits |
Formato | Materiale a stampa |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | Utilization of mull |
Record Nr. | UNINA-9910707394903321 |
Curtin Gary C. <1935-> | ||
[Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1971 | ||
Materiale a stampa | ||
Lo trovi qui: Univ. Federico II | ||
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