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volcanogenic strata bound massive sulphides

Volcanogenic Strata Bound Massive Sulphides

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 Zn. The sulfide assemblage in the orebodies is complex and is dominated by a …

The application of rare earth element analyses in the ...

If we start with VMS Volcanogenic Massive Sulphide Ore Deposits and their Mineralization we see from this image shows some of the sulphide chimneys associated with the model black smoker VMS deposit. VMS will emit black plume of hot water venting from one of the chimneys.

Metavolcanic host rocks, mineralization, and gossans of ...

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 …

Fixed Loop TDEM results confirm Cu-Zn massive sulphide ...

• Mineralisation at Kantienpan and Boksputs are of the Volcanogenic Massive Sulphide Type. • Mineralisation occur in the Proterozoic Areachap Group that also host other VMS deposits including Areachap, Kielder and Prieska. • The mineralisation is strata-bound, and sulphide concentrations range from disseminated to massive.

Volcanogenic massive sulfide ore deposit - Wikipedia

Volcanogenic massive sulfide ore deposits, also known as VMS ore deposits, are a type of metal sulfide ore deposit, ... or it could be sedimentary strata if mineralisation occurred toward the …

A general review of volcanogenic massive sulphide deposits ...

Hosted Strata-Bound Copper-Cobalt District, Wolfram Schuh, Richard A. Leveille, Katanga, Democratic Republic of Congo Isabel Fay, and Robert North 269 13 Dzhezkazgan and Associated Sandstone Copper Stephen E. Box, Boris Syusyura, Deposits of the Chu-Sarysu Basin, Reimar Seltmann, Robert A. Creaser,

Geology and geochemistry of the strata-bound sulfide ...

Sea-floor nodules Porphyry copper; hydro-thermal veins Volcanogenic massive sulfide; evaporites Contact-metamorphic; hydrothermal veins Strata-bound Deposit type Editable Text Fig. 13-4, p. 426 Plate Tectonics and Mineral Resources Tectonic processes (high temperature, high pressure, partial melting) promote release and enrichment of metals ...

VOLCANIC-ASSOCIATED MASSIVE SULFIDE DEPOSITS …

Volcanic-associated massive sulfide deposits are among the most likely of all deposit types to have associated environmental problems, particularly acid mine drainage. Analyses of water draining VMS deposits plot in the extreme metal-extreme acidity field (fig. 2). VMS deposits have high iron- and base-metal-sulfide mineral contents

A GEOLOGIC FRAMEWORK FOR EARLY PROTEROZOIC …

The text then ponders on Caledonian massive sulfide deposits in Scandinavia, Precambrian, strata-bound, massive Cu-Zn-Pb sulfide ores of North America, and geology of the Zambian Copperbelt. Concerns cover types of orebodies, structures of the Zambian Copperbelt, geology of representative deposits, general geological features, and ...

volcanogenic strata bound massive sulphides, - diebold-bau.eu

A general review of volcanogenic massive sulphide deposits in China. Ore Geol. Rev., 7:43-71. Volcanogenic, massive sulphide deposits in China have, for the past forty years, been an important source ofCu, Zn, Pb and sulphur, and of a number of associated elements such as Au, Ag and Co.

VMS Deposits | Foran Mining Corporation

Definition of Gold-rich Volcanogenic Massive Sulphide Deposits Simplified definition ... noes. Scientific definition Gold-rich volcanogenic massive sulphide deposits (Au-VMS) are a sub-type of both volcanogenic massive sul- ... canogenic massive sulphide gold deposits are strata-bound volcanic-hosted massive sulphide bodies with associated ...

Strata-bound massive sulfide deposits in Silurian-Devonian ...

Strata-bound massive sulfide deposits in Silurian-Devonian volcanic rocks at Harborside, Maine Bruce A. Bouley. Bruce A. Bouley. ... 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 ...

Volcanogenic - definition of volcanogenic by The Free ...

Early Proterozoic volcanogenic massive sulfide deposits in Wisconsin; an overview Theodore A. DeMatties. Theodore A. DeMatties. 10-353rd Avenue N.W., Cambridge, MN, United States ... syngenetic and epigenetic strata-bound to stratiform massive sulfide mineralization within, along the flanks of, or near the top of the felsic volcanic centers, (2 ...

Syngenetic Massive Sulfide Deposits in Alaska - USGS

Geology and geochemistry of the strata-bound sulfide deposits of the Pyriton District, Alabama ... Stephen H. Stow, James F. Tull; Geology and geochemistry of the strata-bound sulfide deposits of the Pyriton District, Alabama. ... floor surface, distal from the volcanic and ore sources, which were to the southeast. The deposits are similar to ...

Resolving the Relative Timing of Au Enrichment in ...

Syngenetic Massive Sulfide Deposits in Alaska Project Objectives. Syngenetic massive sulfide deposits in Alaska, including sedimentary exhalative (SEDEX) and volcanogenic massive sulfide (VMS) deposits, are an important source of Au, Ag, Cu, Pb, and Zn. Three of Alaska's metallogenic provinces for these ores are (1) Miss-Penn strata of the ...

GEOLOGY AND MINERALIZATION OF THE BANFIELD AND …

Sedimentary exhalative deposits ... These metals are bound weakly to the hydrous clay minerals on the edges of the crystals and are held by weak bonds with hydroxyl groups. ... which leads to a potential degree of overlap between Sedex and Volcanogenic massive sulfide ore deposits. [citation needed]

Sea floor nodules Porphyry copper hydro thermal veins ...

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. They form at or near the seafloor by syngenetic precipitation from mainly seawater-derived and metal-enriched ...

A Tribute to Richard H. SillitoeA Tribute to Richard H ...

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 ...

The comparison of strata-bound massive sulfide deposits ...

volcanogenic strata bound massive sulphid Strata-bound copper-iron sulfide mineralization in a Zn- and Cu-rich massive sulfide ores of volcanogenic used cement mill machinery sale; roller crusher Gold Online Service Laguna - Mining Atlas Laguna is a Gold Project in Grade DSO Sulphide …

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

Copper minerals are found in many different ore deposit types and settings, including porphyry, iron oxide-copper-gold (IOCG), volcanogenic massive sulphide (VMS), strataform and strata-bound deposits. Copper porphyry deposits are by far the most common copper ore type, however they tend to be of relatively low grade. The enormous Chuquicamata ...

Formation of volcanogenic massive sulfide deposits: The ...

Rehtijärvi, P., 1984. Distributions of phosphorus, sulphur and sulphur isotopes in a strata-bound base metal deposit, Kangasjärvi, Finland. Geological Survey 01 Finland, Report olInvestigation 65, 16 pages, 8 figures and 3 tables. The Kangasjärvi strata-bound massive base metal deposit is located in the Vihanti-Pyhäsalmi-Pielavesi

Re–Os geochronology of the Iimori Besshi-type massive ...

Hoydal is one of the very few Scandinavian Caledonian strata-bound volcanogenic massive sulfide deposits which retains dominantly sea-floor depositional features, due to the minimal effects of ...

Sea-floor sulfides at the Hoydal Volcanogenic Deposit ...

Volcanogenic Massive Sulphide ("VMS") deposits are base metal-rich mineral deposits, which can also contain lesser amounts of precious metals. Their ores can be major sources of zinc, copper, and lead, with gold and silver byproducts. VMS deposits are found worldwide, and often form in clusters, or camps.

Volcanogenic mineralization and a rhyolite dome in the ...

implication of the distributions of skarn and strata-bound types of mineral deposits throughout the western United States. Mineral deposits ... Volcanogenic massive sulfide deposits in ocean-crust and island- arc terranes, northwestern Klamath Mountains, Oregon and California R. A. Koski 197

VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS

Re–Os geochronology of the Iimori Besshi-type massive sulfide deposit in the Sanbagawa... Nozaki, Tatsuo; Kato, Yasuhiro; Suzuki, Katsuhiko 2010-08-01 00:00:00 Besshi-type Cu deposits are strata-bound volcanogenic massive sulfide deposits usually associated with mafic volcanic rocks or their metamorphic equivalents. Although there are ...

Strata-bound massive sulfide deposits in Silurian-Devonian ...

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.

VMS Volcanogenic Massive Sulphide Ore Deposits ...

Volcanogenic Strata Bound Massive Sulphides The Company Shanghai GME is the leading provider of equipment, services and integrated solutions in industrial crushing and grinding equipment. In the last 20 years we follow the motto "Best Quality, Best Service", Shanghai Gmachine is possessed of an enviable reputation among its customers in over 50 ...

Volcanogenic Massive Sulphide– Oxide Gold Deposits of the ...

A GEOLOGIC FRAMEWORK FOR EARLY PROTEROZOIC VOLCANOGENIC MASSIVE SULFIDE DEPOSITS IN WISCONSIN: ... epigenetic strata-bound to stratiform massive sulfide mineralization and epigenetic strata-bound ... A general geologic framework for volcanogenic massive sulfide mineralization was proposed for the western end of the belt (DeMatties, 1989). ...

VMS Deposits - ProExMin - Prospecting Exploration Minerals

Volcanogenic Mineralization and a Rhyolite Dome in the Arabian Shield J. McMahon Moore ... disseminated strata-bound and stratiform massive sulphide orebodies occur in distinct areas of the shield, marked by tracts of per- ... some of the strata-bound sulphide ~7~in- eralization occurs at horizons contain-

PROCEEDINGS OF THE SYMPOSIUM ON MINERAL DEPOSITS …

volcanogenic, strata-bound, massive, base-metal sulfides oc- curring in the Devonian formations of the Jeseniky Mts. - are compared with distinctive Phanerozoic types represent- ing this type of ore deposit, i.e., with Kuroko-type, Rose- bery-type, Besshi-type and Cyprus-type deposits. The re-

Early Proterozoic volcanogenic massive sulfide deposits in ...

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.

GOLD-RICH VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS

The 0.85–0.55 Ga Arabian - Nubian Shield of northeast Africa comprises an assemblage of volcanic arc and sub-arc strata that are fertile for volcanogenic massive sulphide (VMS) and overlying ...

Sedimentary exhalative deposits - Wikipedia

Strata-bound massive sulfide deposits in Silurian-Devonian volcanic rocks at Harborside, Maine Bruce A. Bouley. Bruce A. Bouley. ... 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 ...

Distributions of phosphorus, sulphur and sulphur isotopes ...

The Zlaté Hory ore deposits — as an example of volcanogenic, strata-bound, massive, base-metal sulfides occurring in the Devonian formations of the Jeseníky Mts. — are compared with distinctive Phanerozoic types representing this type of ore deposit, i.e., with Kuroko-type, Rosebery-type, Besshi-type and Cyprus-type deposits.