mining reports of volcanogenic massive sulfide ore deposit pdf

  • The LaRonde Penna World-Class Au-Rich Volcanogenic

    The LaRonde Penna World-Class Au-Rich Volcanogenic Massive Sulfide Deposit, Abitibi, Québec: Mineralogy and Geochemistry of Alteration and Implications ... main ore zones, 20 North and 20 South, are sheetlike, massive to semimassive polymetallic sulfide lenses and ... Doyon-Bousquet-LaRonde mining camp, which contains more than 22.3 Moz Au ...

  • Geostatistical Methodology to Characterize Volcanogenic ...

    minerals Article Geostatistical Methodology to Characterize Volcanogenic Massive and Stockwork Ore Deposits David Silva and José Almeida * ID NOVA University of Lisbon, Faculty of Sciences and Technology, Earth Sciences Department and GeoBioTec,

  • The gold content of volcanogenic massive sulfide deposits

    The gold content of volcanogenic massive sulfide deposits ... Gold-rich volcanogenic massive sulfide (VMS) deposits are important exploration targets as their gold content contrib- ... (HudBay Minerals Inc. Annual Report 2008), whereas they are approximately 91%, 86%, and 87%

  • Report on the Ore Mineralogy of Samples from the Au- Rich ...

    Report on the Ore Mineralogy of Samples from the Au-Rich 1806 Zone, Ming Volcanogenic Massive Sulfide (VMS) Deposit, Baie Verte, Newfoundland Prepared For: Rambler Metals and Mining ... The 1806 Zone of the Ming volcanogenic massive sulfide (VMS) deposit represents an

  • An Overview of Volcanogenic Massive Sulfide

    An Overview of Volcanogenic Massive Sulfide (VMS) Deposits. Stephen J. Piercey* SJPGeoConsulting ... VMS Deposits Volcanogenic massive sulfide (VMS), volcanic-hosted massive sulfide ... Sph-rich ore, Chisel North, Snow Lake Sph-rich ore, Chisel North, Snow Lake ...

  • Correlation between compositions of ore and host rocks in ...

    The geology and typification of volcanogenic massive sulfide (VMS) deposits of the Southern Urals are considered. The mineralogical-geochemical types of these deposits correlate with the composition of the underlying igneous rocks: Ni-Co-Cu deposits correlatedwith serpentinites (Ivanovka type); (Co ...

  • The Rhyolite-Hosted Volcanogenic Massive Sulfide District ...

    The Rhyolite-Hosted Volcanogenic Massive Sulfide District of Cuale, Guerrero Terrane, West-Central Mexico: Silver-Rich, Base Metal Mineralization ... deposit in British Columbia, Canada (Roth et al., 1999), have ... high-grade silver ore was extracted previously. Mining in the district ceased in 1989, once the easily accessible reserves

    • Published in: Economic Geology · 2008Authors: Thomas Bissig · James K Mortensen · Richard M Tosdal · Brian V HallAffiliation: University of British ColumbiaAbout: Continental margin
    • Cautivo Mining Inc. Projects Las Lomas

      It consists of 43 mining concessions totaling 31,288 hectares. Las Lomas is located in a region recognized for its mineral potential, where artisanal exploitation of gold has been carried out for decades in the province of Ayabaca, including the Project concessions in Pampalarga, San

    • Atico Mining Discovers New Massive Sulfide Outcrop North ...

      of twenty-two years, with recorded production of 1.5 million tonnes of ore at an average head grade of 2.6% copper and an estimated gold grade of 2.5 g/t. Copper and gold mineralization at the El Roble property occurs in volcanogenic massive sulfide (VMS) lenses.

    • Early thrusting and folding in the Snow Lake camp ...

      Major ore types of the Paleoproterozoic Lalor auriferous volcanogenic massive sulfide deposit, Snow Lake, Manitoba. In Targeted geoscience initiative 4: contributions to the understanding of volcanogenic massive sulfide deposit genesis and exploration methods development. Open File 7853.

    • GOLD-RICH VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS

      GOLD-RICH VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS ... Gold-rich volcanogenic massive sulphide deposits (Au-VMS) are a sub-type of both volcanogenic massive sul- ... ore at 6.1 g/t Au. The LaRonde Penna deposit (Doyon-Bousquet-LaRonde district) is the second largest Canadian

    • Atico extends high grade copper-gold mineralization at El ...

      sulfide mineralization at the north end of the deposit. The company also reports that a newly discovered mineralized body, Ares, appears to be a fault offset of the Zeus massive sulfide body.

    • Technical Resource Document: Copper US EPA ARCHIVE

      EPA 530-R-94-031 NTIS PB94-200979 TECHNICAL RESOURCE DOCUMENT EXTRACTION AND BENEFICIATION OF ORES AND MINERALS VOLUME 4 COPPER August 1994 U.S. Environmental Protection Agency

    • VMS Deposits ProExMin Prospecting Exploration Minerals

      Volcanogenic massive sulfide (VMS) deposits are stratabound and sometimes stratiform lenses of polymetallic massive to semi-massive sulfides, sulfidic sediments, disseminated replacement ores, and stockwork sulfide-bearing veins that occur in submarine volcanic environments.

    • Atico Mining Discovers New Massive Sulfide Outcrop North ...

      at the El Roble property occurs in volcanogenic massive sulfide (VMS) lenses. Since entering into the option agreement in January 2011 to acquire 90% of El Roble, Atico has aggressively explored the mine and surrounding claims.

    • Metallogeny of volcanogenic massive sulfide deposits of ...

      Ore facies of the Barika bimodal-felsic-type deposit: A) quartz-sulfide stringer veins, B) massive sulfide ore with quartz gangue patches, C) alternations of sulfide- (dark) and barite (light)-rich bands in bedded ore.

    • Mineral Deposit Models Products USGS Mineral Resources ...

      USGS Mineral Deposit Models are "an organized arrangement of information describing the essential characteristics or properties of a class of mineral deposits. Models themselves can be classified according to their essential attributes (for example: descriptive, grade-tonnage models, genetic ...

    • Massive Sulphide Deposits Earth science

      1. VMS Volcanogenic Massive Sulphide Deposits and Ni-Cu-Co Type Magmatic Massive Sulphide Deposits Volcanic-associated massive sulphide (VMS) deposits occur throughout the world and throughout the geological time column in virtually every tectonic domain that has submarine volcanic rocks as an important constituent.

    • 7. Geophysical Characteristics of Volcanogenic

      Morgan, L.A., 2012, Geophysical characteristics of volcanogenic massive sulfide deposits in volcanogenic massive sulfide occurrence model : U.S. Geological Survey Scientific Investigations Report 20105070 C, chap. 7, 16 p.

    • Cautivo Mining Inc. Projects Las Lomas

      The Tambo Grande Cu-Zn-Au-Ag volcanogenic massive sulfide (VMS) deposit is located 50 km southwest of the Las Lomas Project. The geological and structural setting and certain features of the mineralization suggest that the existing mineralization in the project may be related to ore deposit models like epithermal gold, ±Cu- ±Au-±Mo porphyry ...

    • Volatile-element signatures of volcanogenic massive ...

      Volatile-element signatures of volcanogenic massive sulfide deposits in the Bathurst mining camp, New Brunswick, Canada Soltani Dehnavi, A. (2017). Download PDF

    • The men, mines, and geology of the Verde Mining District ...

      The town of Jerome roosts on the slopes of Cleopatra Hill in Yavapai County, Arizona; and is steeped in a rich history of copper, zinc, gold, and silver ore mining from an ancient volcanogenic massive sulfide deposit that formed on a sea floor more than 1.74 billion years ago.

    • History of the Verde Mining District, Jerome, Arizona

      Unlike ores mined from Arizona's porphyry copper systems, volcanogenic massive sulfide deposits of the Verde Mining District were characterized by comparatively small, compact ore bodies that were very

    • The host rock succession of the Hornträsk massive sulfide ...

      The host rock succession of the Hornträsk massive sulfide deposit in the Rävliden ore horizon, Skellefte District, Sweden Luleå Tekniska Universitet In cooperation with Oulu Mining School A Joint

    • Gold in the Brunswick No. 12 volcanogenic massive sulfide ...

      ARTICLE Gold in the Brunswick No. 12 volcanogenic massive sulfide deposit, Bathurst Mining Camp, Canada: Evidence from bulk ore analysis and laser ablation

    • Mammoth Mine Western Mining History

      Origin of the massive sulfide ore of the West Shasta District has been the subject of geologic debate for years. ... the West Shasta Copper-Zinc district is now generally considered to represent stratabound Kuroko-type volcanogenic massive sulfide deposits. The deposits developed during the Early Devonian within a very depleted (exceedingly ...

    • Volcanogenic massive sulfide ore deposit Wikipedia

      VMS deposits have an ideal form of a conical area of highly altered volcanic or volcanogenic sedimentary rock within the feeder zone, which is called the stringer sulfide or stockwork zone, overlain by a mound of massive exhalites, and flanked by stratiform exhalative sulfides known as the apron.