Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2172/6605849 |
| 报告编号 | GJBX-5(81) |
| 来源ID | OSTI_ID: 6605849 |
| Geology and recognition criteria for veinlike uranium deposits of the lower to middle Proterozoic unconformity and strata-related types. Final report | |
| Dahlkamp, F.J.; Adams, S.S. | |
| 英文摘要 | The discovery of the Rabbit Lake deposit, Saskatchewan, in 1968 and the East Alligator Rivers district, Northern Territory, Australia, in 1970 established the Lower-Middle Proterozoic veinlike-type deposits as one of the major types of uranium deposits. The term veinlike is used in order to distinguish it from the classical magmatic-hydrothermal vein or veintype deposits. The veinlike deposits account for between a quarter and a third of the Western World's proven uranium reserves. Lower-Middle Proterozoic veinlike deposits, as discussed in this report include several subtypes of deposits, which have some significantly different geologic characteristics. These various subtypes appear to have formed from various combinations of geologic processes ranging from synsedimentary uranium precipitation through some combination of diagenesis, metamorphism, metasomatism, weathering, and deep burial diagenesis. Some of the deposit subtypes are based on only one or two incompletely described examples; hence, even the classification presented in this report may be expected to change. Geologic characteristics of the deposits differ significantly between most districts and in some cases even between deposits within districts. Emphasis in this report is placed on deposit descriptions and the interpretations of the observers. |
| 出版年 | 1981 |
| 报告类型 | Technical Report |
| 语种 | 英语 |
| 国家 | 美国 |
| 来源学科分类 | 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS ; URANIUM DEPOSITS ; GEOLOGY ; AGE ESTIMATION ; CANADA ; CLASSIFICATION ; GABON ; MINERALIZATION ; NORTHWEST TERRITORIES ; AFRICA ; DEVELOPING COUNTRIES ; GEOLOGIC DEPOSITS ; MINERAL RESOURCES ; NORTH AMERICA ; RESOURCES 050100* -- Nuclear Fuels-- Reserves, Exploration, & Mining |
| URL | http://www.osti.gov/scitech/servlets/purl/6605849 |
| 资源类型 | 科技报告 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/260016 |
| 推荐引用方式 GB/T 7714 | Dahlkamp, F.J.,Adams, S.S.. Geology and recognition criteria for veinlike uranium deposits of the lower to middle Proterozoic unconformity and strata-related types. Final report,1981. |
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