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Black shales hosted

While doing my due diligence I learned that Gold in black shales has become one of the most important deposit types for Gold exploration in northern China The Mystery of Black Shale Although Gold deposits in black shales have been studied for several decades their genesis and mineralization mechanism are still a matter of controversy

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  • Jaw crusher
    Wagner T And Boyce AJ 2003 Sulphur Isotope

    The black shalehosted antimony mineralizations are structurally situated at the anks of major anticlinal zones predominantly in close vicinity to signicant lithological contrasts between siliceousbituminous limestones and black shales The antimony mineralizations in the Arnsberg area are hosted by the upper black shales and the

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    Could Organic Rich Black Shales Be A Source For MV

    PSCould Organic Rich Black Shales Be A Source For MVT Deposits Bryan Bottoms1 and Adriana Potra2 Search and Discovery Article 80615 2017 Posted October 30 2017 Adapted from poster presentation given at AAPG 2017 MidContinent Section Meeting Oklahoma City Oklahoma September 30 October 3 2017

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    Rhenium And Osmium Isotopes In Black Shales And Ni

    Rhenium and osmium abundances and osmium isotopic positions were determined by negative thermal ionization mass spectrometry for samples of Devonian black shale and an associated Nienriched sulfide layer from the Yukon Territory Canada The same position information was also obtained for samples of early Cambrian NiMorich sulfide layers hosted in black shale in Guizhou

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  • Jaw crusher
    Black Carbonaceous Shale And Gold Mining

    black carbonaceous shale and gold mining black carbonaceous shale and gold mining Unconventional Resources Petrolm Agency SA The Frontier Geology Department is

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    Synsedimentary To Early Diagenetic Gold In Black S

    Steadman JA and Large RR and Meffre S and Olin PH and Danyushevsky LV and Gregory DD and Belousov I and Lounejeva E and Ireland TR and Holden P Synsedimentary to early diagenetic gold in black shalehosted pyrite nodules at the Golden Mile Deposit Kalgoorlie Western Australia Economic Geology 110 5 pp 11571191

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  • Jaw crusher
    Wismut Mining Pany Wikipedia

    The mineralisation is hosted by Palaeozoic metablack shales and Metabasalts Uranium mineralisation occurs in irregular shaped bodies of highly variable size and uranium content in average 70 tonnes of uranium per body The uranium minerals mainly pitchblende occur as impregnations thin veinlets or in breccia zones in these bodies

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    ultiphase Evolution In The Blackshalehosted Deep

    Aug 01 2013Read Multiphase evolution in the blackshalehosted NiCuZnCo deposit at Talvivaara Finland Ore Geology Reviews on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

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  • Jaw crusher
    A Genesis Model For The Black Shalehosted Polymeta

    AUTHORS Lingang Xu Jingwen Mao Bernd Lehmann ABSTRACT The Early Cambrian Niutitang Formation in South China consists of a black shale sequence with a synsedimentary organic carbonrich polymetallic sulfide layer with extreme metal enrichment locally mined as Ni MoPGEAu ore

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    Pasinex Resources Intersects BlackShale Hosted Zin

    Pasinex Resources Intersects BlackShale Hosted Zinc Sulphides Beneath HighGrade Zinc Oxides at its HighGrade Zinc Project in Nevada Drilling to Start at the Akkaya Zinc Property in Turkey

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    Origin Of Early Cambrian Blackshalehosted Barite

    Blackshalehosted barite deposits occur widely across the world including in South China the Qinling Mountains of central China Nevada USA and Mangampeta India Clark et al 2004 Of these deposits the Dahebian barite deposit in Tianzhu County Guizhou Province South China is the largest known barite mineral reserve globally Yang et

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    A Stable Isotope Study Of Black Shalehosted Gold

    Isotopic determinations have been made on minerals from mineralized veins including inclusion fluids altered wallrocks and host shales from the ClogauSt Davids gold mine and smaller mines in the Dolgellau Gold Belt The Clogau Formation shales hosting the mineralization contain calcite mean 13C 115PDB and graphite mean 13C 222PDB yielding an equilibrium isotopic

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    Black Shale Serieshosted SilverVanadium Deposits O

    The Krich beds formed in an anoxic basin whereas the phosphorites formed in a more oxic and higher energy depositional environment The Black Shale Series occurs in the lower and upper parts of the Doushantuo Formation that in the upper part consists of black illite shale and dark gray dolostone and contains Serich Ag and V deposits

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    Vanadium Mining And Deposit Types INN

    Vanadiumrich metalliferous black shales are found mainly in late Proterozoic and Phanerozoic marine successions and it will be the first primary shalehosted producer of vanadium in the US

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    Isotope And Elemental Geochemistry Of Black Shaleh

    Oct 21 2016Carbonate concretions hosted within organic carbonrich shale sequences represent unique archives of often exceptionally preserved fossil biota Besides providing highfidelity preservation their geochemical signatures can provide insight into the physical and chemical processes during early and laterstage concretion growth

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    Diverse Associations Between Ore Deposits And Blac

    Such techniques hosted by Devonian black shales of Guangxi China which partly depend upon the presence or absence which are second in production only to the Malaysian of graphite formed from organic matter may be placer Sn deposits Laznicka 1999

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    Paragenesis Of Cobalt And Nickel In The Black Butt

    Oct 22 2013Abstract The Black Butte copper deposits formerly known as Sheep Creek are a group of sediment hosted laterally extensive CuCoAg deposits hosted in dolomitic shale of the midProterozoic Newland Formation

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  • Jaw crusher
    Black Shale Rock

    Black shale variety of shale that contains abundant organic matter pyrite and sometimes carbonate nodules or layers and in some locations concentrations of copper nickel uranium and vanadium Fossils are rare in the shale and either are replaced by pyrite or are preserved as a film of g

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  • Jaw crusher
    The Xikuangshan Sb Deposit Hosted By The Upper

    Request PDF on ResearchGate On Jan 31 2004 Delian Fan and others published The Xikuangshan Sb deposit hosted by the Upper Devonian black shale series Hunan China

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  • Jaw crusher
    SEDIMENTHOSTED DEPOSITS

    Also known as shalehosted stratiform sulphide deposits ENVIRONMENT Form in reducing marine basin environments associated with finegrained carbonaceous rocks Environments include Black shales are very conductive and will mask less conductive sphalerite Mag Pyrrhotiterich deposits will exhibit a positive mag anomaly

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  • Jaw crusher
    Black Shale May Provide Unfathomed Mineral Wealth

    Black shale may provide unfathomed mineral wealth Introduction It may appear paradoxical and surprising that many professionals engaged in mineral development do not appreciate the great potential of Black Shale with respect to hosting very valuable mineral resources

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  • Jaw crusher
    Base Metals

    Birch Mountains polymetallic black shale Sedimenthosted copper Sedimenthosted copper occurrences in Alberta are stratabound ores predominantly silverbearing chalcocite chalcopyrite and bornite acpanied by iron sulphides occurring as disseminations in shallow marine epicontinental sandstone and siltstone

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  • Jaw crusher
    Original Paper Platinumgroup Elements PGE And

    identified from the socalled noble metal rich black shales within the CuAg shales of the Kupferschiefer type Kucha 1975 1981 1982 Piestrzynski et al 1996 Pieczonka and Piestrzynski 1997 and others in gold ores hosted by black shales at the Sukhoy Log deposit Russia Distler et al 1998 metalliferous black shales of the Kursk mag

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  • Jaw crusher
    Terrestrial Radioisotopes In Black Shale Hosted Mn

    May 18 2013Occurrence of terrestrial radioisotopes in great amounts during mining on a longterm causes significant radiation exposure It is important to inspect black shalehosted manganese ores from this aspect as black shales are typically potential Urich formations

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  • Jaw crusher
    Sulphur Isotope Geochemistry Of Black Shalehosted

    Mar 01 2003Veintype and beddingconcordant mesothermal 180410 C stibnitesulphosalt mineralization at Arnsberg NE Rhenish Massif Germany is hosted by Carboniferous pyriterich black shales and siliceous limestones A detailed sulphur isotope study of the stibnitesulphosalt mineralization and pyrite from a variety of regional hostrock lithologies has been carried out using an in situ

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  • Jaw crusher
    Vanadium USGS

    Vanadium is extracted from several different types of mineral deposits and from fossil fuels These deposits include vanadiferous titanomagnetite VTM deposits sandstonehosted vanadium with or without uranium deposits SSV deposits and vanadiumrich black shales

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  • Jaw crusher
    ultiple Sources Of Metals Of Mineralization In Lo

    Black shalehosted SEDEXtype barite deposits in the Tian Zhu area have Ba and other metals from seawaterderived hydrothermal submarine exhalative fluids as suggested by Wang and Li 1991 Fei et al and Emsbo 2004 6 Conclusions At the passive continental margin of the Yangtze platform in the north to east Guizhou Province a

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  • Jaw crusher
    A Carbonaceous Sedimentary SourceRock Model For

    As in sedimenthosted orogenic and Carlintype gold deposits and develops a corresponding genetic model In this twostage basinscale model gold and arsenic are introduced early into black shale and turbidite basins during sedimentation and diagenesis stage 1 and concentrated to ore grades by later hydrothermal structural

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  • Jaw crusher
    Silver Sands 92 Resources

    At Pine Pass vanadium is hosted within the phosphatic black shales of the Toad Formation with trenching returning 054 V2O5 over 130 m The Silver Sands Vanadium Property hosts analogousidentical lithologies to those at Pine pass including the Toad Formation

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  • Jaw crusher
    Clay Lake Gold Target Conroy Gold And Natural Reso

    Clay Lake gold target enpasses all the above points After Bortnikov 1995 Mineralogy geochemistry and origin of the black shale hosted gold deposits of the former Soviet Union in Mineral Deposits From their Origin to their Environmental Impacts pp 935 937 Gold potential at Clay Lake

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