Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/6670539 |
| 报告编号 | RHO-BWI-C-21 |
| 来源ID | OSTI_ID: 6670539 |
| Preliminary geology of eastern Umtanum Ridge, South-Central Washington | |
| Goff, F.E. | |
| 英文摘要 | The basalt stratigraphy and geologic structures of eastern Umtanum Ridge have been mapped and studied in detail to help assess the feasibility of nuclear waste terminal storage on the Hanford Site in southeastern Washington State. Eastern Umtanum Ridge is an asymmetric east-west-trending anticline of Columbia River basalt that plunges 5 degrees eastward into the Pasco Basin. Geologic mapping and determination of natural remanent magnetic polarity and chemical composition reveal that flows of the Pomona and Umatilla Members (Saddle Mountains Basalt), Priest Rapids and Frenchman Springs Members (Wanapum Basalt), and Grande Ronde Basalt were erupted as fairly uniform sheets. The Wahluke and Huntzinger flows (Saddle Mountains Basalt) fill a paleovalley cut into Wanapum Basalt. No evidence was found to indicate Quaternary-age movement on any structures in the map area. The basalt strata on the south limb of the Umtanum anticline display relatively little tectonic deformation since Miocene-Pliocene time. Thus, the buried south flank of Umtanum Ridge may provide an excellent location for a nuclear waste repository beneath the Hanford Site. |
| 出版年 | 1981 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES ; 58 GEOSCIENCES ; BASALT ; STRATIGRAPHY ; WASHINGTON ; GEOLOGY ; COLUMBIA RIVER BASIN ; FEASIBILITY STUDIES ; GEOLOGIC DEPOSITS ; HANFORD RESERVATION ; MAPS ; RADIOACTIVE WASTE DISPOSAL ; IGNEOUS ROCKS ; MANAGEMENT ; NATIONAL ORGANIZATIONS ; NORTH AMERICA ; PACIFIC NORTHWEST REGION ; ROCKS ; US DOE ; US ERDA ; US ORGANIZATIONS ; USA ; VOLCANIC ROCKS ; WASTE DISPOSAL ; WASTE MANAGEMENT 052002* -- Nuclear Fuels-- Waste Disposal & Storage ; 580100 -- Geology & Hydrology-- (-1989) |
| URL | http://www.osti.gov/scitech/servlets/purl/6670539 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/260029 |
| 推荐引用方式 GB/T 7714 | Goff, F.E.. Preliminary geology of eastern Umtanum Ridge, South-Central Washington,1981. |
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