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Prediction of perspective districts, based on evidence weight method, for the polymetal deposits in Nafen-Wanbao area, eastern Liaoning

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Authors:Zhai Furong; Yang Zhanxing; Zhang Guoren; Liang Shuai
Author Affiliations:Primary:
Liaoning University of Technology, Fuxin, China
Liaoning Province Institute of Geological Exploration, China
Volume Title:Dizhi yu Ziyuan Geology and Resources
Source:Dizhi yu Ziyuan = Geology and Resources, 20(5), p.380-386. Publisher: Shenyang Institute of Geology and Mineral Resources, Shenyang, China. ISSN: 1671-1947
Publication Date:2011
Note:In Chinese with English summary. 13 refs.; illus., incl. 4 tables
Summary:The Nanfen-Wanbao area is the concentrated zone for polymetallic deposits of molybdenum, copper, and lead-zinc in the eastern Liaoning Province. Based on the study of the regional metallogenic regularity using MAPGIS software for the data processing platform, 13 spatial ore-controlling factors, such as regional geology, geophysics, and geochemistry, are extracted as evidence factors. Multiple metallogenic information is integrated by the grid-setting to establish the evidence weighting model. By way of posterior probability for inflexion, 13 prospective areas of Grade I, 10 of Grade II, and 7 of Grade III are delineated. The result shows that 83% of the deposits (occurrences) are located in the predicted prospective areas. It is worth noting that neither deposits nor occurrences have been found yet in 3 of the Grade I predicted prospective areas, which should be key prospecting areas in the future.
Subjects:Copper ores; Factor analysis; Lead ores; Lead-zinc deposits; Metal ores; Mineral exploration; Molybdenum ores; Polymetallic ores; Prediction; Statistical analysis; Zinc ores; Asia; China; Far East; Liaoning China; Nafen China; Wanbao China
Coordinates:N404505 N404505 E1252833 E1252833
Record ID:710904-13
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute.
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