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Monday, November 9, 2020 | History

3 edition of McArthur lead-zinc-silver deposit, N.T. found in the catalog.

McArthur lead-zinc-silver deposit, N.T.

N. J. W. Croxford

McArthur lead-zinc-silver deposit, N.T.

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Published by The Australasian Institute of Mining & Metallurgy in [Parkville, Vic .
Written in English

    Subjects:
  • Mines and mineral resources -- Northern Territory -- McArthur River Region,
  • Mining geology -- Northern Territory -- McArthur River Region

  • Edition Notes

    Statementby N.J.W. Croxford and S. Jephcott.
    SeriesProceedings / Aus.I.M. & M -- no. 243 (Sept. 1972), Proceedings (Australasian Institute of Mining and Metallurgy) -- no. 243.
    ContributionsJephcott, S., Australasian Institute of Mining and Metallurgy. Conference
    The Physical Object
    Pagination26 p. :
    Number of Pages26
    ID Numbers
    Open LibraryOL13622050M
    OCLC/WorldCa41014396

    Metallurgical ContentThe Lead Zinc Copper Flotation and Separation CircuitCrushing PlantGrinding CircuitFlotation PlantConcentrate Thickening and FilteringSamplingSummary The flowsheet in this study was designed to treat tons per day of a complex base metal ore containing gold and silver values. The presence of free gold offers opportunity to recover these values in the grinding circuit so. Note: Citations are based on reference standards. However, formatting rules can vary widely between applications and fields of interest or study. The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should be applied. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. The McArthur River mine is one of the world's largest zinc, lead and silver mines, situated about 70 kilometres southwest of Borroloola, near the Gulf of Carpentaria in the northeastern Northern Territory, is operated by McArthur River Mining (MRM), a subsidiary of the Swiss mining company gh discovered in the s, when it was originally called the HYC ("Here's.

    Ore is natural rock or sediment that contains one or more valuable minerals, typically metals, that can be mined, treated and sold at a is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals.. The grade of ore refers to the concentration of the desired material it contains.


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McArthur lead-zinc-silver deposit, N.T. by N. J. W. Croxford Download PDF EPUB FB2

The McArthur River mine is a zinc-lead mine, situated about 70 kilometres southwest of Borroloola, near the Gulf of Carpentaria in the northeastern Northern Territory, is operated by McArthur River Mining (MRM), a subsidiary of the Swiss mining company gh discovered in the s, when it was originally called the HYC or "Here's Your Chance" deposit, it only opened Country: Australia.

The McArthur (H.Y.C.) deposit is an effectively unmetamorphosed, stratiform Pb-Zn-Ag deposit of middle Proterozoic age, located in the Northern Territory of Australia.

Stratigraphically, the deposit occurs in the H.Y.C. Pyritic Shale McArthur lead-zinc-silver deposit of the Barney Creek Formation, near the middle of the dominantly dolomitic McArthur by: The McArthur lead-zinc-silver deposit is of the stratiform type. It consists of a mineralised bituminous shale sequence containing some tuffites, numerous graded beds and isolated slump breccia horizons.

The principal sulfides; pyrite, sphalerite and galena, are essentially restricted to the shales and the genetically unrelated turbidites contain only minor mineralisation. MICROFOSSILS, CHERTS, AND ASSOCIATED MINERALIZATION IN THE PROTEROZOIC MCARTHUR (H.Y.C) LEAD-ZINC-SILVER DEPOSIT [N Australia] by Oehler, John H & Logan, Ross G (Author) See all formats and editions Hide other formats and editions.

Price New from N.T. book Oehler, John H & Logan, Ross G. Measurements of the 34S/32S ratios in sulphides from the slightly metamorphosed Lady Loretta deposit show the sphalerite and galena to be in isotopic equilibrium. Pyrite in immediate association with these sulphides is not isotopically related.

A similar distribution of sulphur isotopes had previously been noted in the even less altered McArthur deposit, for which a dual sulphur source was Cited by: Croxford N J W, Jephcott S () The McArthur lead-zinc-silver deposit, N.

Proc Australas Inst Min Metall 1–26 Google Scholar Curtis C D () Sedimentary geochemistry: environments and processes dominated by involvement of an aqueous phase. The McArthur lead-zinc-silver deposit is of the stratiform type. It consists essentially of a mineralized bituminous shale sequence that incorporates tuffites, numerous graded beds, and isolated but massive slump breccia horizons.

The principal sulphides are’ pyrite, sphalerite, and galena. These occur mostly in the shales. The accompanying turbidites contain only minor mineralization.

Croxford NJW () A mineralogical study of the McArthur lead-zinc-silver deposit. Proc Aust Inst Min Metall – Google Scholar Croxford NJW, Jephcott S () The McArthur lead-zinc-silver deposit, N.T. Proc Aust Inst Min Metall –26 Google Scholar.

Structurally preserved insoluble organic cellular matter is intimately associated with Precambrian lead-zinc-silver ore in the McArthur River deposit, Australia. The ore is essentially a non-metamorphosed mineralized bituminous dolomitic shale of marine volcanic association and has some similarities with the Mt.

Isa and Broken Hill deposits. A comparison of three stratiform lead-zinc-silver deposits from northern Australia, at Mount Isa, Hilton, and McArthur River, reveals significant differences between them, but many critical features in common. As suggested many times in the past, they appear to share a common origin.

Lead isotopic composition and uranium and lead concentrations have been determined for galena, sphalerite, pyrite and acetic acid soluble material from the McArthur area in order to test the hypothesis of a dual sulphur source suggested by the sulphur isotope data of Smith and Croxford (Sulphur isotope ratios in the McArthur lead-zinc-silver deposit, Nature Phys.

Sci.10–12 ()). The Ma McArthur River (HYC) lead–zinc–silver deposit of northern Australia is the largest known stratiform sediment-hosted base-metal deposit. It is extraordinarily well preserved, with all indicators of burial maturity indicating that the host rocks have experienced temperatures only up to the window of oil generation [1].

The Cooley and Ridge deposits at McArthur River are a group of small deposits located immediately to the east of the giant H.Y.C. stratiform Ag-Pb-Zn deposit. Two styles of mineralization occur in the deposits, discordant and dant mineralization.

Attention is drawn to the similarity between the McArthur deposit and the lead-zinc-silver orebodies at Mount Isa. The primitive nature of the sulphides is reflected by their adverse metallurgical behaviour, and it seems that the best prospect for milling and flotation benefication may lie in the production of separate zinc and bulk concentrates.

Coarser and fine,rained la- minae alternate with a variable content of organic carbon. 78/16 Drill core, m, BMR No. 2 ('26'' E, '22'' S) ca. 23 km SE of the McArthur River Pb--Zn deposit (Northern Territory, Barney Creek Formation or Lynott Formation), Black homogeneous till, even parallel discontinuous laminated sialfeldspathic.

SMITH and Croxford1 have reported important new measurements of variations among the isotopes of sulphur in the enigmatic stratiform sulphide deposit at McArthur River, Northern Territory, Australia. In order to address the number and the nature of metal source(s) involved with the formation of a true giant hydrothermal ore deposit, we have targeted the McArthur River zinc-lead deposit (Northern Territory, Australia) and carried out a detailed in situ Pb isotope study of galena.

This widely used method is a powerful tool for tracing metal sources and ages based on model ages because it. McArthur) probably formed over a very narrow depth range (Russell et al., ), whereas other shale hosted deposits (e.g.

Gamsberg, South Africa; Broken Hill, Australia; Sullivan, Canada. An exception to this generality is the McArthur deposit in northern Australia (Croxford and Jephcott, ). This is a major strati- form sulfide deposit of Proterozoic age (ca. yr) and is considered to be syngenetic in origin.

Explor., The weathered surface expression of the Lady Loretta lead-zinc-silver deposit outcrops almost continuously over a distance of about 4 km. Lead isotope ratios have been deter- mined for samples, some of which contain > ppm Pb, from geochemically anom- alous areas in order to assign drilling priorities to the anomalies.

Croxford NJW, Jephco tt S () The McArthur lead-zinc-silver deposit, N.T. Proc Australas Inst. Min Metall - Dacks JB, Field MC, Buick R, Eme L, Gribaldo S, Roger AJ et al. Que River and Hellyer zinc-lead-silver deposit; McArthur G J, Dronseika E V -in Hughes F E (Ed), Geology of the Mineral Deposits of Australia and Papua New Guinea, The AusIMM, Melbourne, pp Formation on the sea floor of the Hellyer volcanogenic massive sulfide deposit; Solomon M, Khin Zaw -Econ.

Geol., v92, pp Broken Hill, a lead-zinc-silver deposit, Australia holds the McArthur River mine as well, which opened in and is owned by Glencore subsidiary McArthur River Mining.

The mine is one of the. The Mt Isa–McArthur region is renowned for a range of commodities and deposit types of world-class proportions. The region is described here in the context of a ‘mineral system,’ through consideration of processes that operate across a range of scales, from geodynamics and crustal architecture, to fluid sources, pathways, drivers and depositional processes.

Journal of Geochemical Exploration, 2 () Elsevier Scientific Publishing Company, Amsterdam - Printed in The Netherlands IMPLICATIONS OF GEOCHEMICAL INVESTIGATIONS OF SEDIMENTARY ROCKS WITHIN AND AROUND THE McARTHUR ZINC-LEAD-SILVER DEPOSIT, NORTHERN TERRITORY I.B.

LAMBERT and K.M. SCOTT Baas Becking. The two zoning sequences, beginning nearest the source of the metals, are: in hydrothermal deposits, Fe—Ni—Sn—Cu—Zn—Pb—Ag—Au—Sb—Hg, and in sedimentary deposits, Cu—Ag—Pb—Zn.

A zoning sequence represents the natural order of increasing solubilities of the metallic sulphides and other minerals in ore-forming solutions. Metallurgical ContentSilverWhere to Find Silver in OntarioWhere to Find Silver in British ColumbiaWhere to Find Silver in YukonLead and ZincOre Minerals of Lead and ZincLead-Zinc Deposits near Igneous IntrusionsWhere to Find Pb & Zn In OntarioWhere to Find Pb & Zn In QuebecLead-Zinc Deposits Independent of Igneous IntrusionsWhere to Find Lead & Zinc In OntarioWhere to Find Lead & Zinc In.

The Nicholson Project is a lead-zinc-silver (copper, cobalt) project with several drill-ready Tier 1-equivalent targets, with potential to be a McArthur River-size deposit. The company has already drilled 3,m in H2 as part of its joint venture with the $ billion capped South - McArthur River Project PIINISTER FOR MINES AND ENERGY To re—negotiate the agreement betueen mount Isa Mines Ltd.

and the Commonwealth relating to the development of the McArthur River lead/ zinc/ silver deposits so as to provide for appropriate involvement and control by the Northern Territory. Conforms to existing policy for maximum develop. A comparison of three stratiform lead-zinc-silver deposits from northern Australia, at Mount Isa, Hilton, and McArthur River, reveals significant differences between them, but many critical.

Download Citation | Paleomagnetism of the HYCZn-PbSEDEX deposit, Australia: Evidence of an epigenetic origin | The HYC Zn-Pb-Ag deposit of the McArthur River Mines Ltd.

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Issue 65 - 1 / Sulfur isotope investigation of the lead-zinc-silver-cadmium deposits of the Keno Hill-Galena Hill area, Yukon; Geology and Ore Deposits near Benson, New York, $ 10 Issue 65 - 4 / Content of zinc and copper in some fluid inclusions from the Cave-in-Rock District, Southern Illinois; A statistical study of ore occurrences in the.

THE massive, stratiform McArthur lead-zinc-silver deposit, situated in the Northern Territory of Australia, is approximately 1,× yr old. This book attempts to provide all the available. The McArthur River or HYC stratiform, sediment-hosted zinc-lead-silver deposit is located 50 km SSW of Borroloola and km SE of Darwin in the Northern Territory, Australia.

The similar Teena deposit is located 8 km to the west (#Location: McArthur River - 16° 24' 41"S, ° 5' 41"E). Mineralisation has been known in the McArthur River district and exploited on a small scale since around. Ireland T, Large RR, McGoldrick PJ, Blake MD, 'Spatial Distribution Patterns of Sulfur Isotopes, Nodular Carbonate, and Ore Textures in the McArthur River (HYC) Zn-Pb-Ag Deposit, Northern Territory, Australia', Economic Geology and the Bulletin of the Society of.

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