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Gray clay (Malpass clay) in the west Eugene Wetlands and the Willamette Valley is weathered and redeposited ash from Mount Mazama / / authors: Karin E. Baitis, Gregory J. Retallack, Michael E. James
| Gray clay (Malpass clay) in the west Eugene Wetlands and the Willamette Valley is weathered and redeposited ash from Mount Mazama / / authors: Karin E. Baitis, Gregory J. Retallack, Michael E. James |
| Autore | Baitis Karin E. |
| Pubbl/distr/stampa | Denver, CO : , : U.S. Department of the Interior, Bureau of Land Management, National Operations Center, , 2015 |
| Descrizione fisica | 1 online resource (iv, 21 pages) : illustrations (some color), maps (some color) |
| Collana | Technical note |
| Soggetto topico |
Volcanic ash, tuff, etc - Oregon
Clay soils - Oregon Volcanic eruptions - Oregon Volcanic ash, tuff, etc Volcanic eruptions Clay soils |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Abstract--Introduction--Geologic setting of Malpass clay and Dayton soil--Material and methods--Stratigraphic position of the gray clay in the west Eugene wetlands--Chromatography--Vertic soil and gilgai relief--X-ray diffraction--Transmission electron microscope EDX analyses--Transmission electron microscope images--Mineralogy of gray clay unit--Radiometric ages--Palynology--Conclusions--References |
| Altri titoli varianti | Gray clay |
| Record Nr. | UNINA-9910703865003321 |
Baitis Karin E.
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| Denver, CO : , : U.S. Department of the Interior, Bureau of Land Management, National Operations Center, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Guides to some volcanic terranes in Washington, Idaho, Oregon, and northern California / / David A. Johnston and Julie Donnelly-Nolan, editors
| Guides to some volcanic terranes in Washington, Idaho, Oregon, and northern California / / David A. Johnston and Julie Donnelly-Nolan, editors |
| Pubbl/distr/stampa | [Reston, Virginia] : , : United States Department of the Interior, Geological Survey, , 1981 |
| Descrizione fisica | 1 online resource (x, 189 pages) : illustrations, maps |
| Collana | Geological Survey circular |
| Soggetto topico |
Volcanic ash, tuff, etc - California
Volcanic ash, tuff, etc - Idaho Volcanic ash, tuff, etc - Oregon Volcanic ash, tuff, etc - Washington (State) |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910711854203321 |
| [Reston, Virginia] : , : United States Department of the Interior, Geological Survey, , 1981 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Map showing outcrops of granitic rocks and pre-quaternary ash-flow tuffs, basin and range province, Oregon / / compiled by Jane E. Jeness, K.A. Sargent, and David A. Lopez
| Map showing outcrops of granitic rocks and pre-quaternary ash-flow tuffs, basin and range province, Oregon / / compiled by Jane E. Jeness, K.A. Sargent, and David A. Lopez |
| Pubbl/distr/stampa | Reston, Virginia : , : Department of the Interior, United States Geological Survey, , 1984 |
| Descrizione fisica | 1 online resource (1 map) + + pamphlet (12 pages) |
| Collana | Water-resources investigations report |
| Soggetto topico |
Granite - Oregon
Granite outcrops - Oregon Volcanic ash, tuff, etc - Oregon Granite Volcanic ash, tuff, etc |
| Soggetto genere / forma | Maps. |
| Formato | Materiale cartografico a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910713461803321 |
| Reston, Virginia : , : Department of the Interior, United States Geological Survey, , 1984 | ||
| Materiale cartografico a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Mount St. Helens volcanic-ash fall in the Bull Run Watershed, Oregon, March-June 1980 / / by Michael V. Shulters and Daphne G. Clifton
| Mount St. Helens volcanic-ash fall in the Bull Run Watershed, Oregon, March-June 1980 / / by Michael V. Shulters and Daphne G. Clifton |
| Autore | Shulters M. V. <1950-> |
| Pubbl/distr/stampa | [Reston, Va.?] : , : United States Department of the Interior, Geological Survey, , 1980 |
| Descrizione fisica | 1 online resource (v, A15 pages) : illustrations, maps |
| Collana |
Geological Survey circular
Hydrologic effects of the eruptions of Mount St. Helens, Washington, 1980 |
| Soggetto topico |
Volcanic ash, tuff, etc - Oregon
Volcanic ash, tuff, etc |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910711672403321 |
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Shulters M. V. <1950->
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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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