complex polymetallic gold deposit

The Mungana porphyry

• gold-copper, with high-grade base metals (Zn-Pb-Ag) • high grade base metals only (Zn-Cu-Pb-Ag), no gold Examples:- Girofla, Lady Jane, King Vol, Redcap group Examples:- Mungana, Harpers • gold-copper only, little or no base metals Examples:- Red Dome Many polymetallic deposits (telescoped) that fall into 3 broad groups - Get price

SILVER MINING POLYMETALLIC MINING

SILVER MINING POLYMETALLIC MINING – KEMPFIELD. and numerous high-grade gold intervals including a spectacular gold intersection of 1 m 1,065 g/t from 97 m by hole AKDD181. The region also hosts world-class copper-gold and gold deposits (100 Mt) such as Northparkes and Cowal. Get price

VOLCANOGENIC MASSIVE SULPHIDE DEPOSITS

Canadian VMS deposit is the 297 Mt Windy Craggy, but it only contains 4.1 Mt of metals. The 50 Mt Horne deposit contains 2.2 Mt of Zn+Cu+Pb, along with over 330 t of Au, making it also a world-class gold deposit (Fig.10b). The 55 Mt LaRonde VMS deposit contains 258 t of gold, and because of its high Au/base metal ratio (Au Get price

Minerals

The ever-increasing global demand for valuable minerals requires safe, efficient, and environmentally responsible mining. Gekko Systems are world leaders in gravity separation and recovery of gold and complex gold. Gekko's unique core technologies and innovative flowsheets also efficiently extract other high-value minerals, such as silver, coal, polymetallics and gemstones. Get price

Polymetallic Massive Sulphides and

Since 1979, polymetallic massive sulphide deposits have been found at water depths up to 3,700 m in a variety of tectonic settings at the modern seafloor including mid-ocean ridges, back-arc rifts, and seamounts. Many of the sulphide deposits consist of a black smoker complex on Get price

Eloro Resources Ltd. Announces Start of Underground

Jun 25, 2020The property can be classified as a polymetallic (Ag, Zn, Pb, Au, Cu, Bi, Sn, In) epithermal-porphyry complex. This is an important mineral deposit type in Bolivia. Geological mapping on the property by Eloro has revealed the spatial and temporal zonation of alteration and vein minerals in an area of about 5 square kilometres. Get price

copper lead and zinc polymetallic mineral processing in cyprus

Metals amp Minerals gt Zinc amp Lead Products sulphide deposits include the Troodos copperiron complex in Cyprus mineral mineral processing equipment for . Inquire Now [PDF] Compositional and textural variations of the major . processing ore deposits Porphyry copperI molybdenum Polymetallic veins leadzinc (Sedex) ttd, po Tynagh, Ireland Get price

DATABASE OF SIGNIFICANT DEPOSITS OF GOLD, SILVER

DATABASE OF SIGNIFICANT DEPOSITS OF GOLD, SILVER, COPPER, LEAD, AND ZINC IN THE UNITED STATES PART A: DATABASE DESCRIPTION AND ANALYSIS by Keith R. Long1, John H. DeYoung, Jr.2, and Stephen D. Ludington3 polymetallic Number Deposits Gold metric t J.D., 1994, Mineral deposit modeling using components for complex mineral deposits—Mixed Get price

Geological Characteristics and Ore‐controlling Factors of

Oct 25, 2018Based on comprehensive petrological, geochronological, and geochemical studies, this study analyzed the relationships between the Beiya gold‐polymetallic skarn deposit and quartz syenite porphyries, and discussed the source(s) and evolution of magmas. Get price

GEOLOGY AND EVOLUTION OF THE COPPER FLAT PORPHYRY

Nov 04, 2016A tent city named Gold Dust was founded in 1881 in the district and was home to numerous prospectors looking for placer gold deposits. In 1884, Hillsboro was the Sierra County seat, but by 1938, mining and subsequently, the population of Hillsboro diminished and the county seat was moved to T or C (then known as Hot Springs). Get price

Metallogenic Mineral Provinces and World Class Ore

Polymetallic Deposits, Lead-Zinc Deposits in the Palaeozoic of Europe Antimony-Gold Deposits and Complex Sulphide-Siderite Ore Deposits in the Palaeozoic Western Carpathians. The Low Tatra and Little Carpathian mountain ranges of the Western Carpathians (Slovak Republic) are well known for their Sb-Au deposits (with antimonite, pyrite and Get price

About Equivalent Grade

VMS deposits are a type of polymetallic deposit that can host some or all of the metals copper, zinc, lead, silver and gold. They usually have a dominant metal, say copper. In this case the other metals are converted to copper and a copper equivalent value is reported. Get price

METALLOGENIC MINERAL PROVINCES AND WORLD CLASS

Boliden polymetallic deposit, which was once the richest Au-As deposit in Europe, producing also Cu, Ag, Pb and Zn. Several similar polymetallic deposits, although smaller, are mined at present. The combined cumulative gold production from these mines is in excess of 220 tonnes, sixty percent of which came from the Boliden deposit. Get price

METALLOGENIC MINERAL PROVINCES AND WORLD CLASS

Boliden polymetallic deposit, which was once the richest Au-As deposit in Europe, producing also Cu, Ag, Pb and Zn. Several similar polymetallic deposits, although smaller, are mined at present. The combined cumulative gold production from these mines is in excess of 220 tonnes, sixty percent of which came from the Boliden deposit. Get price

Emerita Resources raises $2.35 million, prepares drill

Aug 14, 2020Within that deposit a higher-grade zone shows an historic, non-43-101 estimate of 11.21 million tonnes averaging 0.4% copper, 2.47% lead, 5.5% zinc, 64 g/t silver and 1 g/t gold. The deposit starts at surface, reaches 350 metres in depth and remains open down dip, according to historic records. Get price

Polymetallic gold, silver and base metal mineralisation at

• Polymetallic gold-silver-copper intrusion-related system deposit-scale metal zonation • Gold can be a proximal and distal component . Comparison with other IRG systems • Complex intrusive history; – Kosi + Berridale Batholiths Get price

Cobalt Recovery From Polymetallic Concentrates

RECOVERY OF COBALT FROM POLYMETALLIC . CONCENTRATES - NICO DEPOSIT, NWT, CANADA - PILOT gold) type deposit is located in the Mazenod Lake district near the Snare hydroelectric complex, approximately 160 km northwest of Yellowknife, Northwest Territories, Canada. Get price

Mineralogy and geochemistry of Baia Sprie polymetallic ore

and bismuth minerals from the Baia Sprie polymetallic deposit. The present work describes for the first time the presence of bismuth minerals within the deposit that have not been identified so far at Baia Sprie. New chemical electron microprobe results are presented for the common sulfides, pyrite, arsenopyrite, chalcopyrite, sphalerite and Get price

Prospectivity Analysis of Granite

Copper Gold (IOCG) type mineralisation in the Western Bushveld Complex: MSc thesis, University of the Witwatersrand. Kinnaird, J.A., F.J. Kruger, R.G, Cawthorn, 2004, Rb-Sr and Nd-Sm isotopes in fluorite related to the granites of the Bushveld Complex: South Africa Journal of Geology, 107 (3), 413-430. Get price

Great Deposits

Oct 17, 2019In Grasberg Part 1 we discussed the social and cultural aspects of the Grasberg deposit and outlined it's long and fascinating history. In this article we'll dig into the geology of this deposit. Regional Context General Geology of New Guinea (from Gibbins 2006) The first striking fact is how young the deposit is. Get price

Polymetallic massive sulphide deposits

Currently, most exploration activity for massive sulphide deposits is taking place within Exclusive Economic Zones (EEZs) in the SW Pacific (c. 1000-2000 m water depth). Mining of copper and gold from sulphides was due to commence off Papua New Guinea in 2014, but at present is on hold. Get price

MAJOR SILVER DEPOSITS OF BRITISH COLUMBIA

All these deposits are polymetallic with gold, copper, lead and/or zinc occurring with the silver; frequently silver is only produced as a byproduct. The location of these deposits, their current status with respect to production, and deposit type are shown on the accompanying map. Get price

Adriatic Metals: A Polymetallic Explorer

The Rupice deposit is known from exploration activities, which commenced in 1952 and continued intermittently until 1990, initially focusing on barite (= the mineral with chemical formula BaSO 4) mineralization and later on the polymetallic mineralization. The change is understandable in the light of very high BaSO4 grades at shallow levels Get price

IRON OXIDE COPPER

Iron oxide copper-gold (IOCG) deposits encompass a Polymetallic deposits lacking significant iron (Olympic Dam Breccia Complex, Reeve et al., 1990). The breccia complex comprises a hematite-quartz breccia core, a peripheral hematite-granite breccia and a halo of weakly Get price

Cobalt Recovery From Polymetallic Concentrates

RECOVERY OF COBALT FROM POLYMETALLIC . CONCENTRATES - NICO DEPOSIT, NWT, CANADA - PILOT gold) type deposit is located in the Mazenod Lake district near the Snare hydroelectric complex, approximately 160 km northwest of Yellowknife, Northwest Territories, Canada. Get price

SPJ Gold Project

This under-explored polymetallic gold district as been recently identified by the Geological Survey of Canada as a potential Iron-Oxide-Copper-Gold ("IOCG") district. The historic Scadding Mine, located within the SPJ Project, produced 144,000 tons of ore at a grade of 7.2 g/t gold (OFR 5771). Get price

Gold Deposits

Polymetallic ironoxide breccia complex deposits They have been attributed to a broad category of ironoxide–copper– gold deposits from around the world. Olympic Dam (Gawler Craton, Australia) is the only known representative of this type with significant by-product uranium resources. Get price