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  • (PDF) Migration of As, Hg, Pb, and Zn in arroyo sediments

    Migration of As, Hg, Pb, and Zn in arroyo sediments from a semiarid coastal system influenced by the abandoned gold mining district at El Triunfo, Baja California Sur, Mexico

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  • Locality Search peru Mindat

    Locality Search peru. Search returned: 911 items. Australia. New South Wales. Clive Co. Bolivia. Peru alluvial deposit

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    DISCOVERY METALS ANNOUNCES HIGHGRADE CHANNEL

    of 17.3% Zn, 29.7% Pb, 0.44% Cu, and 519 g/t Ag over a total width of 4 m. This represents a channel of two continuous channel samples, with total weight of 3.14 kg, from the wall of a manto dipping at 60o SW, exposed in a stope at level +22.

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  • Metal concentrations in the beach sediments of Bahia

    The correlation among Co, Cu, Zn, Cr and Pb indicates the presence of chalcophile elements and the influence of external anthropogenic sources in the study area. The longterm gold mining activities contribute to the source of Co, Cr, Cu, Pb and Zn metals in

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  • Metallic contaminant profiles in sediment cores from Lake

    Abstract. Total extractable concentrations of AI, Fe, Mn, Pb, Cu, Zn, Hg and organic carbon (C org) were determined along four sediment cores from Lake Valencia.In one selected core, the percentage labile fractions were determined in order to establish anthropic enrichment factors, the depth reached by the contaminants and their mobilities.

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  • Epigenetic, lowtemperature, carbonatehosted PbZnCuBa

    The lowtemperature epigenetic and stratabound PbZnCuBaFSrbearing ore deposits enclosed within sedimentary columns historically have been major sources of metals. Exploration companies still find these deposits to be a profitable exploration target due to their simple mineralogy as well as the large tonnage that can present, always

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    ELURA ZnPbAg DEPOSIT, COBAR DISTRICT, NSW

    careful assessment of Zn data (to allow for lithology, e.g., more sandy units contain more Zn Lorrigan, 2000) would be required to see a small and subtle Zn anomaly in the lag data but none is evident in the auger assays. Figure 3. Geochemical anomalies and landforms at Elura (landforms after Gibson, 1999).

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  • Structure and age of the Cerro de Pasco CuZnPbAg

    The worldfamous CuZnPbAg deposit at Cerro de Pasco, Peru, consists of texturally massive pyrite, texturally massive sphaleritegalenapyrite, and veins containing pyrite and enargite. Historically the deposit has been considered to be the hydrothermal product of the adjacent Miocene volcanic and intrusive complex (locally known as the

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    Distribution of Mineral Deposits in the United States

    Distribution of Mineral Deposits in the United States Mexico Border Region quarries and occurrences in and near the CIMRI borderlands study area as recorded in MRDS, May 1993. Figure 22. Spatial distribution of sulfur mines and occurrences in and World class Cu (Mo), AgAu, and PbZnAg deposits formed in and around the magmatic arc

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  • Dry deposition of Mn, Zn, Cr, Cu and Pb in particles of

    Dry deposition of Mn, Zn, Cr, Cu and Pb in particles of sizes of 3 m, 5.6 m and 10 m in central Taiwan Article in Journal of hazardous materials 203204:15868 · December 2011 with 13 Reads

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