干旱区生态环境知识资源中心(Arid): Uranium hydrogeochemical and stream sediment reconnaissance of the Rawlins NTMS quadrangle, Wyoming

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DOI	10.2172/6716416
报告编号	LA-7179-MS; GJBX-81(78)
来源ID	OSTI_ID: 6716416
	Uranium hydrogeochemical and stream sediment reconnaissance of the Rawlins NTMS quadrangle, Wyoming
	Weaver, T.A.; Morris, W.A.; Trexler, P.K.
英文摘要	During the spring and winter of 1976 and January and June of 1977, 570 natural water and 1281 waterborne sediment samples were collected from 1369 locations in the Rawlins, Wyoming, NTMS quadrangle. The samples obtained from this 18 700-km/sup 2/ area were analyzed at the Los Alamos Scientific Laboratory for total uranium. The uranium concentrations in waters ranged from less than the detectable limit of 0.2 parts per billion (ppB) to 448 ppB, with a mean value of 6 ppB. The concentrations in sediments ranged from 1.2 parts per million (ppM) to 60.4 ppM, with a mean value of 4.1 ppM. Based on simple statistical analyses of these data, arbitrary anomaly thresholds were set at 50 ppB for water samples and 9 ppM for sediment samples. Eleven water and 44 sediment samples were considered anomalous; 1 anomalous water and 25 anomalous sediments could be associated with four of the five major uranium occurrences in the quadrangle. Only the Ketchum Buttes area did not show up in the data. Twelve minor reported occurrences could not be identified by the data. Eleven anomalous samples (8 waters and 3 sediments) and 13 near-anomalous samples (10 waters and 3 sediments) outline a broad area in the northeast corner of the quadrangle (corresponding to the drainage area of the Medicine Bow River) where two airborne radiometric anomalies were discovered in an earlier study. This area, and perhaps others, may warrant further, more detailed geological, geophysical, and geochemical investigations.
出版年	1978
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 ; EXPLORATION ; WYOMING ; GEOCHEMICAL SURVEYS ; QUANTITY RATIO ; SEDIMENTS ; STREAMS ; URANIUM ; ACTINIDES ; ELEMENTS ; GEOLOGIC DEPOSITS ; METALS ; NORTH AMERICA ; RESOURCES ; ROCKY MOUNTAIN REGION ; SURFACE WATERS ; USA 050200* -- Nuclear Fuels-- Exploration-- (-1987)
URL	http://www.osti.gov/scitech/servlets/purl/6716416
资源类型	科技报告
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/262018
推荐引用方式 GB/T 7714	Weaver, T.A.,Morris, W.A.,Trexler, P.K.. Uranium hydrogeochemical and stream sediment reconnaissance of the Rawlins NTMS quadrangle, Wyoming,1978.