Info
- Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.
Distribution of gold and other metals in silicified rocks of the Goldfield Mining District, Nevada / / by R.P. Ashley and W.J. Keith
| Distribution of gold and other metals in silicified rocks of the Goldfield Mining District, Nevada / / by R.P. Ashley and W.J. Keith |
| Autore | Ashley Roger P (Roger Parkmand), <1940-> |
| Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1976 |
| Descrizione fisica | 1 online resource (iii, B17 pages) : illustrations, maps + + 9 plates |
| Collana | Geological Survey professional paper |
| Soggetto topico |
Ore deposits - Nevada - Goldfield Mining District
Gold ores - Nevada - Goldfield Mining District |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910706847903321 |
Ashley Roger P (Roger Parkmand), <1940->
|
||
| Washington : , : United States Department of the Interior, Geological Survey, , 1976 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Distribution of gold and other ore-related elements near ore bodies in the oxidized zone at Goldfield, Nevada / / by R. P. Ashley and J. P. Albers
| Distribution of gold and other ore-related elements near ore bodies in the oxidized zone at Goldfield, Nevada / / by R. P. Ashley and J. P. Albers |
| Autore | Ashley Roger P (Roger Parkmand), <1940-> |
| Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1975 |
| Descrizione fisica | 1 online resource (iii, 48 pages) : illustrations, maps + + 4 plates |
| Collana | Geological Survey professional paper |
| Soggetto topico |
Gold ores - Nevada - Goldfield Mining District
Ore deposits - Nevada - Goldfield Mining District |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910706710003321 |
|
Ashley Roger P (Roger Parkmand), <1940->
|
||
| Washington : , : United States Department of the Interior, Geological Survey, , 1975 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Mercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek Area, Shasta County, California [[electronic resource] ] : report of investigations, 2001-2003 / / by Roger P. Ashley and James J. Rytuba
| Mercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek Area, Shasta County, California [[electronic resource] ] : report of investigations, 2001-2003 / / by Roger P. Ashley and James J. Rytuba |
| Autore | Ashley Roger P (Roger Parkmand), <1940-> |
| Pubbl/distr/stampa | Reston, Va. : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 2008 |
| Descrizione fisica | viii, 65 pages : digital, PDF file |
| Altri autori (Persone) | RytubaJames J |
| Collana | Open-file report |
| Soggetto topico |
Mercury - Environmental aspects - California - Shasta County
Placer mining - Environmental aspects - California - Shasta County Gold mines and mining - Environmental aspects - California - Shasta County |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Mercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek Area, Shasta County, California |
| Record Nr. | UNINA-9910697311403321 |
|
Ashley Roger P (Roger Parkmand), <1940->
|
||
| Reston, Va. : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 2008 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Mineral resources of the Sheep Mountain Wilderness Study Area, Baker County, Oregon / / by Roger P. Ashley [and five others]
| Mineral resources of the Sheep Mountain Wilderness Study Area, Baker County, Oregon / / by Roger P. Ashley [and five others] |
| Autore | Ashley Roger P (Roger Parkmand), <1940-> |
| Pubbl/distr/stampa | [Reston, Va.] : , : Department of the Interior, U.S. Geological Survey, , 1988 |
| Descrizione fisica | 1 online resource (v, 14 pages) : maps |
| Collana |
U.S. Geological Survey bulletin
Mineral resources of wilderness study areas--east-central Oregon Studies related to wilderness--Bureau of Land Management wilderness study area |
| Soggetto topico |
Mines and mineral resources - Oregon - Sheep Mountain Wilderness
Mines and mineral resources |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910704279903321 |
|
Ashley Roger P (Roger Parkmand), <1940->
|
||
| [Reston, Va.] : , : Department of the Interior, U.S. Geological Survey, , 1988 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||