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 lenses underlain by discordant …
2021 exploration program. In May, Garibaldi outlined plans to expand the E&L nickel-copper-cobalt-precious-metal massive sulphide zone at Nickel Mountain, and identify new discoveries along the 15 kilometer strike-length between E&L and the nickel-copper outcrops identified at Mount Shirley in 2020. Garibaldi will also explore for Eskay Creek type gold-silver rich volcanogenic-massive-sulphide ...
Geological setting of the Rapu Rapu gold-rich volcanogenic massive sulfide deposits, Albay Province, Philippines. Mineralium Deposita, 2003. Timothy Barrett. Peter Lewis. Ross Sherlock. Timothy Barrett. Peter Lewis. Ross Sherlock. Download with Google Download with Facebook. or.
May 19, 2021· Its copper-zinc-gold-silver rich volcanogenic massive sulphide (VMS) deposit is intended to be the centre of a new mining camp in a district that has been producing for 100 years. The deposit, which is estimated to hold 22.95 million tonnes of indicated resources, starts 25m below the surface extending downward to about 2km.
and deformed auriferous volcanogenic massive sulfide deposits at Barite Hill, South Carolina, and in the Gold Hill trend, North Carolina, are hosted primarily by laminated mudstone and felsic volcanic to volcaniclastic rocks. The high-sulfidation epithermal style of gold mineralization at Brewer and low-
Oct 07, 2012· 10%· Dubé B, Gosselin P, Mercier-Langevin P, Hannington M, Galley A (2007) Gold-rich volcanogenic massive sulphide deposits. In: Goodfellow WD (ed) Mineral deposits of Canada: a synthesis of major deposit-types, district metallogeny, the evolution of geological provinces, and exploration methods.
Gold-rich volcanogenic massive sulfide (VMS) deposits consist of synvolcanic banded and concordant mas-sive sulfide lenses and adjacent stockwork feeder zones in which gold concentration in g/t Au exceeds the com-bined Cu, Pb, Zn grades in wt percent and thus constitutes the main commodity. The Agnico-Eagle LaRonde
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 oxide gold …
La Plata is a gold-rich volcanogenic massive sulphide deposit which was the subject of small scale mining from both an open pit and underground workings from 1975-1981. From 1996 to 2000, Cambior Inc., a Canadian mining company, completed 8,628 metres of drilling and a preliminary resource estimate totaling 840,000 tonnes grading 4.8 grams gold per
10 · White Rock Minerals Ltd (OTCMKTS:WRMCF) has secured additional tenements over historical volcanogenic massive sulphide (VMS) prospects and an emerging trend of new VMS targets as part of the expansion of its district-scale tenement package at the Red Mountain Project in Alaska.. The company has moved to secure contiguous tenements to the north that cover the Galleon prospect …
Jul 14, 2021· The Deep massive sulphide zone discovered more than 650 meters vertically below the historic Normetmar open pit zone, has returned multiple zinc, copper, silver and gold rich intervals to …
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Apr 01, 2013· 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 on two new U-Pb ID-TIMS ages: a maximum age of 1893.9 + 2.0/-1.9 Ma obtained from an altered quartz and feldspar porphyritic rhyolite in the deposit footwall in the volcanic Skellefte group and a minimum age of 1890.8 ± 1 Ma obtained from a felsic mass-flow deposit in the ...
Jul 01, 2006· 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 ...
Mar 01, 1989· Study and review of the gold distribution in selected volcanogenic massive sulphide deposits (Rosebery and Hellyer in Tasmania, Mt. Chalmers in Queensland and Millenbach in Quebec) indicates that gold has two distinct occurrences in these deposits: (1) a gold-zinc-lead-silver association which is commonly found in the upper part of zinc-rich massive sulphide lenses (e.g. Rosebery and …
Qmc plans work program for its goldcopperzincqmc plans work program for its goldcopperzincSep 22 2020 a ni 43101 technical report entitled rocky lake volcanogenic massive sulphide vms project and dated march 20 2013 can be found under qmcs profile on, gold rich volcanogenic massive sulphide …
La Plata is a gold-rich volcanogenic massive sulphide deposit which was the subject of small scale mining from both an open pit and underground workings from 1975-1981. From 1996 to 2000, Cambior Inc., a Canadian mining company, ...
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 as
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 …
Jul 15, 2010· 10%· 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.%.
Jul 01, 1997· Pressure solution of sulfides enhanced gold transport into late brittle fractures. High gold values are confined to the footwall of proximal parts of the exhalite, indicating that gold was introduced during the volcanogenic massive sulfide event and that remobilization was a localized process.
Feb 04, 2019· 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 and silver as ...
Study and review of the gold distribution in selected volcanogenic massive sulphide deposits (Rosebery and Hellyer in Tasmania, Mt. Chalmers in Queensland and Millenbach in Quebec) indicates that gold has two distinct occurrences in these deposits: (1) a gold-zinc-lead-silver association which is commonly found in the upper part of zinc-rich massive sulphide lenses (e.g. Rosebery and Hellyer ...
May 06, 2021· The 2021 program will also explore for Eskay Creek type gold-silver rich volcanogenic-massive-sulphide (VMS) mineralization in the Hazelton Group, which covers a significant portion of the Company's highly prospective Palm Springs claims in the heart of the historic Eskay camp, within the Golden Triangle of northwest British Columbia.
Jul 14, 2021· The Deep massive sulphide zone discovered more than 650 meters vertically below the historic Normetmar open pit zone, has returned multiple zinc, copper, silver and gold rich intervals to …
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.
Volcanogenic Massive Sulphide (VMS) Deposits on the Mon Property. VMS deposits account for 40% of Canadian silver production, 49% of its zinc, 27% of copper, 20% of its lead, and 3% of gold. 2018 exploration by SXTY led to discovery of a new 2,500 m long horizon hosting VMS mineralization enriched in silver, lead, zinc and gold.
The Boliden gold-rich volcanogenic massive sulfide deposit, Skellefte district, Sweden: new U-Pb age constraints and implications at deposit and district scale. Mercier-Langevin, Patrick . Geological Survey of Canada. McNicoll, Vicky . Geological Survey of Canada. Allen, Rodney .
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.
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. ...
Volcanogenic massive sulphide (VMS) deposits are also known as volcanic-associated, volcanic-hosted, and vol- ... metal-rich hydrothermal fluids. For this reason, VMS deposits are classified under the general ... tent, gold content and host-rock lithology (Figs 2,3,4). The
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 Sulphide
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
Feb 03, 2021· - Gold-rich volcanogenic massive sulphide (gold-rich VMS) deposits, similar to the recently-closed Bousquet #2 and IAMGold's LaRonde mines) - Volcanogenic massive sulphide deposits (VMS), analogous to Teck's Louvicourt mine, which ceased operations in 2005 - Gold-rich polymetallic veins, similar to the Doyon and Mouska gold mines ...
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.%.
Montreal, Canada – March 4th, 2013 – AMEX EXPLORATION INC (AMX: TSX-V, "The Company") is very pleased to announced the intersection by drilling of two wide zones of polymetallic massive sulfides stringers and veins, that is interpreted to represent a typical feeder zone associated with volcanogenic massive sulphide deposit (VMS) that has been later deformed and possibly transposed, on ...