2010•Contributions to Geology and Mineral Resources ResearchRequires access

DISCUSSION ON THE GENESIS OF URANIUM-MOLYBDENUM ORE DEPOSIT 460 IN GUYUAN,HEBEI PROVINCE

Fan Bing-hong

Abstract

Ore deposit 460 is a large uranium-molybdenum deposit located at the the superimposition of multi-group fractures and volcanic apparatus.Uranium-molybdenum ore bodies occur in the sub-volcanic rock within the volcanic feeder and in the crypto-exploded breccia.Dissemination and stockwork are the main mineralization styles.The host rock is acidic.The ore bodies are characterized by mineral and alteration zoning and co-existing of high and low temperature minerals.S isotopes indicate that the ore materials are derived from the magmatic hydrothermal fluid and dominated by the crustal materials.The ore fluid is mainly meteoric water heated at depth.Genetically,the ore deposit is a hydrothermal deposit related to sub-volcanic rock.

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Key concepts: Geology, Geochemistry, Uranium ore, Stockwork, Breccia, Mineralization (soil science), Hydrothermal circulation, Volcano