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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...

Volcanogenic massive sulfide ore deposit - Wikipedia

Volcanogenic massive sulfide ore deposit As a class, they represent a significant source of the world's copper, zinc, lead, gold and silver ores, with cobalt, tin, barium, sulfur, selenium, manganese, cadmium, indium, bismuth, tellurium, gallium and germanium as co- or by-products...

VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS

Volcanogenic massive sulphide (VMS) deposits are , volcanic-hosted, and vol-cano-sedimentary-hosted massive sulphide deposits They typically occur as lenses of polymetallic massive sulphide that form at or near the seafloor in submarine volcanic envi-ronments They form from metal-enriched fluids associated , include strata up to 3000m ....

ORE DEPOSIT MODELS - 8 VOLCANOGENIC MASSIVE SULPHIDE ,

At West logues of the stringer zones that occur beneath many synvolcanic massive sulphide deposits [cf River, strata-bound base metal mineralization is represented by three Cu-Zn sulphide lodes ....

A general review of volcanogenic massive sulphide deposits ,

Research paper A general review of volcanogenic massive sulphide deposits in China Volcanogenic, massive sulphides are relatively unimportant in the Late Palaeozoic, both with regard to size and numbers, but a rather unusual and important CuZn deposit, hosted by ultramafic rocks (Deerni) is ascribed to this epoch...

Geological and geophysical characteristics of massive ,

These are bound to the east by rocks of the Mozambique Mobile Belt (MMB) , Sea water is thought to be the major source of sulphur for the volcanogenic massive sulphid , This would suggest that the dip of the conductive bodies conform to that of the exposed rocks implying strata-bound conductors Download high-res image (616KB)...

Gold-rich Volcanogenic Massive Sulphide Deposits - [PDF ,

GOLD-RICH VOLCANOGENIC MASSIVE SULPHIDE DEPOSITSBENOIT DUB1, PATRICE GOSSELIN1, MARK HANNINGTON2 AND ALAN GALLEY21Geological 2Geological Survey of Canada, 880 Chemin Sainte-Foy, Quebec, G1S 2L2, Canada Survey of Canada, 601 Booth Street, Ottawa, Ontario, K1A 0E8, Canada E-mail: [email protected]

High REE and Y concentrations in Co-Cu-Au ores of the ,

Occurrence of high REE and Y concentrations in the Blackbird ores, together with previously documented saline-rich fluid inclusions and Cl-rich biotite, suggest that these are not volcanogenic massive sulfide or sedimentary exhalative deposits but instead are iron oxide-copper-gold (IOCG) deposits...

strata mining supplies - cable handler - thegoblinscovecoza

strata mining supplies - cable handler , volcanogenic strata bound massive sulphides, , Strata Safety Products , Read More; Volcanogenic massive sulfide ore READ MORE strata ,...

Sedimentary exhalative deposits - Wikipedia

Sedimentary exhalative deposits Sedimentary exhalative deposits ( SedEx deposits) are ore deposits which are interpreted to have been formed by release of ore-bearing hydrothermal fluids into a water reservoir (usually the ocean ), resulting in the precipitation of stratiform ore SedEx deposits are the most important source of lead,....

Styles, Textural Evolution, and Sulfur Isotope Systematics ,

The Whalesback Cu-rich volcanogenic massive sulfide deposit in the Newfoundland Appalachians is a highly , are commonly Cu-rich strata-bound to stratiform, syngenetic deposits that form on or near the seafloor by precipitation from hydrothermal fluids at temperatures between 200° and...

Ore mineralogy and sulfur isotope study of the massive ,

The volcanogenic massive sulfide deposit of Filon Norte at Tharsis is hosted by carbonaceous black slate and connected only partly with stockwork veins The massive ores are usually composed of fine-grained pyrite with subordinate amounts of sphalerite, chalcopyrite, galena and arsenopyrite...

Sea floor nodules Porphyry copper hydro thermal veins ,

Sea floor nodules Porphyry copper hydro thermal veins Volcanogenic massive from GEO 101 at Stony Brook University...

VOLCANIC-ASSOCIATED MASSIVE SULFIDE DEPOSITS ,

Massive sulfide deposits, by definition, contain zones or lenses of massive sulfide minerals, many with sulfide mineral contents exceeding 90 volume percent Most deposits also contain extensive zones of semi-massive sulfide rock (25 to 50 volume percent) that contain economically exploitable ore...

Besshi-type volcanogenic sulphide deposits - a review

A Besshi-type Cu deposit is a strata-bound volcanogenic massive sulfide deposit; such deposits are recognized throughout the world in rocks of Early Proterozoic to Tertiary age (Fox, 1984; Slack ....

Early Proterozoic volcanogenic massive sulfide deposits in ,

The Early Proterozoic greenstone belt of northern Wisconsin possesses some of the best volcanogenie (volcanic-hosted) massive sulfide potential in North America A 100-millionton resource of base and precious metal-bearing mineralization, distributed in 13 or more deposits and occurrences and clustered in three districts, has been identified in the belt...

VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS A G G , M D ,

sedimentary-hosted massive sulphide deposits, are major sources of Zn, Cu, Pb, Ag, and Au, and significant sources for , Volcanogenic massive sulphide (VMS) deposits are also known as volcanic-associated, volcanic-hosted, and vol- , hanging-wall strata above the VMS deposit VMS deposits are grouped according to base metal content....

Volcanogenic - definition of volcanogenic by The Free ,

The A Zone prospect consists of strata-bound volcanogenic massive sulphide (VMS) mineralization systems with a demonstrated gold oxide layer of 40 meters (130 feet) to 60 meters (200 feet), as well as a copper-enriched supergene extending from the bottom of ,...

Volcanogenic massive sulfide ore deposit - Wikipedia

Volcanogenic massive sulfide ore deposit They occur within environments dominated by volcanic or volcanic derived (eg, volcano-sedimentary) rocks, and the deposits are coeval and coincident with the formation of said volcanic rocks As a class, they represent a significant source of the world's copper, zinc, lead, gold and silver ores,....

Formation of volcanogenic massive sulfide deposits: The ,

Formation of volcanogenic massive sulfide deposits: The Kuroko perspective Formation of volcanogenic massive sulfide deposits: , Relative sulfur isotope abundances of ancient seas and strata-bound sulfide deposits Sangster, DF Precambrian strata-bound, massive Cu Zn Pb sulfide ores of North America ....

The application of rare earth element analyses in the ,

exhalite-bearing material and iron sulphide bearing 'ore-equivalent' strata We suggest that these differences in REE contents can be utilized in the understanding of, and the exploration for, VMS deposits , FOR VOLCANOGENIC MASSIVE SULPHIDE TYPE DEPOSITS IN MANITOBA by GH Gale and MAF Fedikow Gale, GH and Fedikow, MAF 1999: The ....

Resolving the Relative Timing of Au Enrichment in ,

some workers arguing for a syngenetic, volcanogenic massive sulfide (VMS)-related origin (Hannington et al, 1986, 1999, , They consist of strata-bound semimassive to massive sulfides lenses and underlying discordant sulfide stringers The orebod-ies are Cu rich, precious metal bearing, and locally enriched in...

Gold-rich Volcanogenic Massive Sulphide Deposits ,

main difference between Au-VMS and other VMS deposits Definition of Gold-rich Volcanogenic Massive Sulphide , The Au-VMS deposits are present in both recent Gold-rich volcanogenic massive sulphide deposits , is there-canogenic massive sulphide gold deposits are strata-bound fore an important setting ....

Metallogeny of volcanogenic massive sulfide deposits of ,

Volcanogenic massive sulfide (VMS) deposits are the third most important source of base (and precious) metals in Iran after porphyry-type Cu-Mo and sediment-hosted Zn-Pb deposits , The Chahgaz and Chahanjir deposits are strata-bound and stratiform respectively, and occur within a metamorphosed bimodal volcano-sedimentary sequence ...

Mineral deposits in western Saudi Arabia; a preliminary report

Abstract Strata-bound massive sulfide deposits containing copper, zinc, and nickel sulfides associated with pyrite and pyrrhotite in complexly deformed volcanic rocks in Saudi Arabia have been the subject of controversy They are considered by some geologists to be of syngenetic or volcanogenic origin, and by others to be epigenetic The....

Strata-bound massive sulfide deposits in Silurian-Devonian ,

Strata-bound polymetallic massive sulfide ores of Silurian-Devonian age occur within the Coastal volcanic belt of Maine and New Brunswick This terrain, overprinted by greenschist-facies regional metamorphism, is thought by some to represent volcanism above a consuming plate margin, and by others a tensional tectonic environment...

A GEOLOGIC FRAMEWORK FOR EARLY PROTEROZOIC ,

centers; (2) syngenetic strata-bound to stratiform massive-sulfide mineralization associated with cherty magnetic iron-formation within the main volcanic-arcsequence; and (3) epigenetic stringer sulfide mineralization and syngenetic stratiform massive sulfide mineralization associated with mafic volcanic piles developed within the back-arc basin...

Metavolcanic host rocks, mineralization, and gossans of ,

Volcanogenic massive sulphide (VMS) deposits are major sources of Cu, Zn, Pb, and Ag (±Au) globally, and have formed throughout Earth history (eg Hannington et al 2005; Lydon 2007) Volcanogenic massive sulphide deposits form in a variety of tectonic settings, including backarc and intra arc basins and mid-ocean ridges (Tornos et al 2015)...

Cu, Zn, Pb, and Ag Deposits, Volume 6 - 1st Edition

Discussions focus on tectonic setting of Cyprus-type and Kuroko-type strata-bound massive sulfide deposits; development of some tectonic units in which strata-bound massive sulfide deposits occur in the Paleozoic sequences of New South Wales; volcanic host rocks; and interim summary of ,...

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