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GOLD-RICH VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS

GOLD-RICH VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS BENOIT DUBÉ1, PATRICE GOSSELIN1, MARK HANNINGTON2 AND ALAN GALLEY2 1Geological Survey of Canada, 880 Chemin Sainte-Foy, Quebec, G1S 2L2, Canada 2Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario, K1A 0E8, Canada E-mail: [email protected] Definition Definition of Gold-rich Volcanogenic Massive SulphideGold-rich volcanogenic massive sulphide deposits | Request PDF,The host rocks commonly associated with Au-rich volcanogenic massive-sulphide deposits are felsic volcanic and volcaniclastic rocks that are near, or at the interface with, mafic-intermediate,The gold content of volcanogenic massive sulfide deposits,,Jul 15, 2010· Volcanogenic massive sulfide deposits contain variable amounts of gold, both in terms of average grade and total gold content, with some VMS deposits hosting world-class gold mines with more than 100 t Au. Previous studies have identified gold-rich VMS as having an average gold grade, expressed in g/t, exceeding the total abundance of base metals, expressed in wt.%.

Gold-rich Volcanogenic Massive Sulphide Deposits,

Definition Definition of Gold-rich Volcanogenic Massive Sulphide Deposits Simplified definition A lens of iron-, copper-, zinc- and lead-sulphides, with significant amounts of silver and gold, formed on or below the sea floor by hot springs on and around submarine volcanoes.GOLD RICH VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS B,Gold-Rich Volcanogenic Massive Sulphide Deposits 77 Gold-rich VMS deposits occur in both recent seafloor and in deformed and metamorphosed submarine volcanic set-tings within greenstone belts of various ages. In the latter, they may contain local syntectonic quartz-sulphide or, more rarely, quartz-tourmaline veins, which add to their complex-ity.Adriatic Metals And Atico Mining: My Best Picks In Pure,,Nov 19, 2020· Volcanogenic massive sulfide (VMS) mines tend to be highly-economical assets, to which mining equity investors should consider getting some exposure.,75% with earn-in option) is a gold-rich,

Atico Mining Corporation: Atico Reports Financial Results,

Nov 19, 2020· The La Plata project is a gold rich volcanogenic massive sulphide deposit that was the subject of small-scale mining from 1975-1981 by Outokumpu Finland. The project benefits from aVolcanogenic massive sulfide ore deposit - Wikipedia,Volcanogenic massive sulfide ore deposits, also known as VMS ore deposits, are a type of metal sulfide ore deposit, mainly copper-zinc which are associated with and created by volcanic-associated hydrothermal events in submarine environments. These deposits are also sometimes called volcanic-hosted massive sulfide (VHMS) deposits. The density generally is 4500 kg/m . They are predominantly stratiformaccumulations of sulfide minerals that precipi…Everything you need to know about VMS deposits - MINING.COM,Volcanogenic Massive Sulphide (VMS) deposits are one of the richest sources of metals such as copper, lead, and zinc globally. VMS deposits can also produce economic amounts of gold

Wealth Announces Option Agreement for Goldsmith Gold,

This property adjoins Wealth’s existing Kootenay base metal project (the “Kootenay Project” or the “Project”; Figure 1), where the primary target is nickel-rich volcanogenic massive sulphide (VMS) mineralization. Goldsmith comprises 11 claims totaling 782 hectares.Adriatic Metals And Atico Mining: My Best Picks In Pure,,Nov 19, 2020· Volcanogenic massive sulfide (VMS) mines tend to be highly-economical assets, to which mining equity investors should consider getting some exposure.,75% with earn-in option) is a gold-rich,The Gold-Rich Louvicourt Volcanogenic Massive Sulfide,,The Gold-Rich Louvicourt Volcanogenic Massive Sulfide Deposit, New Brunswick: A Kuroko Analogue in the Bathurst Mining Camp,analogous to high sulfidation volcanogenic massive sulfide deposits. Its intimate relationship with an emergent felsic dome (Flat Landing Brook Formation), chlorite-silicate-oxide-sulfide exhalite (locally hematitic,

Gold-rich Volcanogenic Massive Sulphide Deposits,

Definition Definition of Gold-rich Volcanogenic Massive Sulphide Deposits Simplified definition A lens of iron-, copper-, zinc- and lead-sulphides, with significant amounts of silver and gold, formed on or below the sea floor by hot springs on and around submarine volcanoes.GOLD RICH VOLCANOGENIC MASSIVE SULPHIDE,Gold-Rich Volcanogenic Massive Sulphide Deposits 77 Gold-rich VMS deposits occur in both recent seafloor and in deformed and metamorphosed submarine volcanic set-tings within greenstone belts of various ages. In the latter, they may contain local syntectonic quartz-sulphide or, more rarely, quartz-tourmaline veins, which add to their complex-ity.Everything you need to know about VMS deposits - MINING.COM,Volcanogenic Massive Sulphide (VMS) deposits are one of the richest sources of metals such as copper, lead, and zinc globally. VMS deposits can also produce economic amounts of gold

Rockcliff Identifies Gold Along a 10-Kilometre Long,

TORONTO, ON / ACCESSWIRE / October 18, 2018 / Rockcliff Metals Corporation ("Rockcliff" or the "Company") (TSX.V: RCLF) (FRANKFURT: RO0, WKN: A2H60G) is...Back Forty Project,Back Forty is Aquila’s 100%-owned development-stage project delineating a gold-rich volcanogenic massive sulfide (VMS) deposit located along the mineral-rich Penokean Volcanic Belt in Michigan’s Upper Peninsula. Aquila and various past joint venture partners, including Hudbay Minerals, have invested more than $95 million exploring and,Atico Mining Corporation: Atico Reports Financial Results,,Nov 19, 2020· The La Plata project is a gold rich volcanogenic massive sulphide deposit that was the subject of small-scale mining from 1975-1981 by Outokumpu Finland. The project benefits from a

Wealth Announces Option Agreement for Goldsmith Gold,

This property adjoins Wealth’s existing Kootenay base metal project (the “Kootenay Project” or the “Project”; Figure 1), where the primary target is nickel-rich volcanogenic massive sulphide (VMS) mineralization. Goldsmith comprises 11 claims totaling 782 hectares.Aquila Resources Submits Dam Safety Permit Application for,,Nov 17, 2020· Aquila’s flagship Back Forty Project is an open pit volcanogenic massive sulfide deposit with underground potential located along the mineral-rich Penokean Volcanic Belt in Michigan’s Upper,The gold content of volcanogenic massive sulfide deposits,,Volcanogenic massive sulfide deposits contain variable amounts of gold, both in terms of average grade and total gold content, with some VMS deposits hosting world-class gold mines with more than 100 t Au. Previous studies have identified gold-rich VMS as having an average gold grade, expressed in g/t, exceeding the total abundance of base metals, expressed in wt.%.

Sixty North Gold Announces Significant Expansion of the,

Sixty North Gold Mining Ltd. Sixty North Gold is pleased to announce that it has signed an option agreement to acquire a 100% interest in 10 Mineral Claims totalling 2,394 hectares adjoining the,THE OCCURRENCE OF GOLD IN SULFIDE DEPOSITS OF THE,gold from 0.03 to 1,7 ppm Au. Zn-rich sulfides from the mound are commonly gold-rich, with an average of 9.5 ppm Au and a median value of 6.0 ppm Au (n = I5). White smokers from a low-temperature vent complex on the mound have gold contents of up to 42 ppm Au. In the white smokers, gold is present as submicroscopic particles or asOperations - LaRonde - Agnico Eagle Mines Limited,The LaRonde deposit is a gold-rich volcanogenic massive sulphide deposit. LaRonde lenses were formed mainly by sulphide precipitation from hydrothermal fluids on the seafloor and by replacement below lenses. The stacking of the LaRonde lenses is the result of successive volcanic events, intercalated by cycles of hydrothermal activity associated,

The Gold-Rich Louvicourt Volcanogenic Massive Sulfide,

The Gold-Rich Louvicourt Volcanogenic Massive Sulfide Deposit, New Brunswick: A Kuroko Analogue in the Bathurst Mining Camp,analogous to high sulfidation volcanogenic massive sulfide deposits. Its intimate relationship with an emergent felsic dome (Flat Landing Brook Formation), chlorite-silicate-oxide-sulfide exhalite (locally hematitic,GOLD RICH VOLCANOGENIC MASSIVE SULPHIDE,Gold-Rich Volcanogenic Massive Sulphide Deposits 77 Gold-rich VMS deposits occur in both recent seafloor and in deformed and metamorphosed submarine volcanic set-tings within greenstone belts of various ages. In the latter, they may contain local syntectonic quartz-sulphide or, more rarely, quartz-tourmaline veins, which add to their complex-ity.Sixty North Gold Announces Significant Expansion of the,,A recently a silver- and gold-rich volcanogenic massive sulphide deposit on the Mon Property has been trenched over a 120m strike length yielding results including 203 gpt silver, 1.0 gpt gold,

27088059-Gold-rich-Volcanogenic-Massive-Sulphide-Deposits,

GOLD-RICH VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS BENOIT DUBÉ1, PATRICE GOSSELIN1, MARK HANNINGTON2 AND ALAN GALLEY2 1Geological 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:,The Boliden gold-rich volcanogenic massive sulfide deposit,,The Boliden gold-rich volcanogenic massive sulfide deposit, Skellefte district, Sweden: new U–Pb age constraints and implications at deposit and district scale The Boliden deposit (8.3 Mt at 15.9 g/t Au) is interpreted to have been formed between ca. 1894 and 1891 Ma, based onGold in the volcanogenic mercury-rich sulfide deposit,,The mineralogy of gold from a volcanogenic sulfide deposit in northern Sweden (Långsele) was studied. The enrichment of gold and silver in massive ore occurs associated with an intrusive metadolerite vein which can be traced across the ore. The emplacement of this vein mobilized the precious metals together with galena and Pb-Sb sulfosalts into fractures and low pressure zones. A

Back Forty Project

Back Forty is Aquila’s 100%-owned development-stage project delineating a gold-rich volcanogenic massive sulfide (VMS) deposit located along the mineral-rich Penokean Volcanic Belt in Michigan’s Upper Peninsula. Aquila and various past joint venture partners, including Hudbay Minerals, have invested more than $95 million exploring and,THE OCCURRENCE OF GOLD IN SULFIDE DEPOSITS OF THE,gold from 0.03 to 1,7 ppm Au. Zn-rich sulfides from the mound are commonly gold-rich, with an average of 9.5 ppm Au and a median value of 6.0 ppm Au (n = I5). White smokers from a low-temperature vent complex on the mound have gold contents of up to 42 ppm Au. In the white smokers, gold is present as submicroscopic particles or as7. Geophysical Characteristics of Volcanogenic Massive,,118 7. Geophysical Characteristics of Volcanogenic Massive Sulfide Deposits Figure 7–1. Schematic diagram of the modern Trans-Atlantic Geothermal (TAG) sulfide deposit on the Mid-Atlantic Ridge, depicting a cross section of a volcanogenic massive sulfide deposit with concordant semi-massive to massive sulfide lens underlain by a

Aquila Resources Submits Dam Safety Permit Application for,

Nov 17, 2020· Aquila’s flagship Back Forty Project is an open pit volcanogenic massive sulfide deposit with underground potential located along the mineral-rich Penokean Volcanic Belt in Michigan’s Upper,VMS Deposits | Foran Mining Corporation,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.Sixty North Gold Announces Significant Expansion of the,,Sixty North Gold Mining Ltd. Sixty North Gold is pleased to announce that it has signed an option agreement to acquire a 100% interest in 10 Mineral Claims totalling 2,394 hectares adjoining the,

GOLD-RICH POLYMETALLIC MASSIVE SULFIDE DRILL

GOLD-RICH POLYMETALLIC MASSIVE SULFIDE DRILL INTERSECTION RETURNED 3.84 G/T AU OVER 15.2 METERS AT PERRON PROJECT NEAR NORMETAL, ABITIBI, QUEBEC Montreal, Canada – March 4th,,(UQAM thesis 2002), are characteristic of major volcanogenic gold-rich polymetallic mines of the Abitibi such as Doyon, Bousquet, Dumagami and Laronde.,Ethiopian Projects - East Africa Metals TSX-V EAM,The Debarwa and Emba Derho volcanogenic massive sulphide (VMS) discoveries in Eritrea and SE of the Bisha deposit are 90 to 140 kilometres southwest. Bisha is now a producing gold-copper-zinc-silver mine with over 25 million tonnes at 1% copper and 0.7 grams per tonne gold of ore in reserves.,