miners of copper and gold vein deposit

The Batu Hijau porphyry copper-gold deposit, Sumbawa Island, Indonesia ...

Porphyry copper-gold deposits of the Tombulilato district, North Sulawesi, Indonesia: an extension of the Philippine porphyry copper-gold province ... Hydrologic environments for vein mineralisation in the Hauraki Goldfield. ... Australas. Inst. Mining Metall. Pacific Rim Congress 90, Vol. 2 (1990), pp. 119-126. View Record in Scopus Google ...

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C3 Metals Discovers Large-Scale Epithermal Gold-Copper Vein System at ...

C3 Metals also holds a 100% interest in five licenses covering 20,700 hectares of highly prospective copper-gold terrain within the CRF District of Jamaica, where mining history dates to the 1500s ...

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Porphyry copper deposit - Wikipedia

Numerous world-class porphyry copper-gold deposits are hosted by high-K or shoshonitic intrusions, such as Bingham copper-gold mine in USA, Grasberg copper-gold mine in Indonesia, Northparkes copper-gold mine in Australia, Oyu Tolgoi copper-gold mine in Mongolia and Peschanka copper-gold prospect in Russia. [10]

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Doré Copper Mining reveals drilling plans for Joe Mann gold mine and ...

Doré Copper Mining Corp has announced plans to begin drilling at Joe Mann gold mine and at the Doré Ramp gold-copper deposit in the fourth quarter. At the Joe Man project in Quebec, the company said its drilling plan for the Fall is to extend the plunge of a mineralized shoot in the Main Zone at depths between 1,100 and 1,300 metres (m).

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Copper deposits of the western Upper Peninsula of Michigan

concentrations of copper in copper-dominated deposits. Most of the copper is hosted by rocks of the Mesoproterozoic Midcontinent Rift. Copper deposits in the western Upper Peninsula can be subdivided into two overlapping world-class copper mining districts. The Keweenaw Peninsula native copper district produced 11 billion lbs of

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GOLD at the COPPER KING Gold-Copper Mine near Cheyenne, Wyoming

Many companies drilled the property including ASARCO (1938 and 1970), the Copper King Mining Company (1952-1954), Henrietta Mines (1972-1974), Caledonia Mines (1987), Compass Minerals (1993-94), Mountain Lake Resources, (1997), Saratoga Resources (2006-2008), and US Gold (2017-18).

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Michigan-Copper-Mines - Mining Artifacts

The Michigan State Geologist, Dr. Douglass Houghton, reported on the copper deposits in 1841, causing a rush of prospectors. Mining took place along a belt that stretched about 100 miles southwest to northeast through Ontonagon, Houghton, and Keweenaw counties.

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Gold in porphyry copper deposits: its abundance and fate

Porphyry copper deposits contain up to 100 t of gold and are among the largest reservoirs of gold in the upper crust (Kerrich et al., 2000). They are commonly surrounded by deposits and country rock containing gold that is thought to have been derived from them (Jones, 1992). Gold can be removed from porphyry copper systems by vapors that ...

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NASA - Prospecting from Orbit

Feature. Text Size. 06.14.03. Prospecting from Orbit. Mining for ore isn't what it used to be. A hundred years ago when a mining operation happened upon a copper vein or a gold deposit, the outfit would often just rip out the local flora, excavate the land, and dump the resulting waste and rubble in the nearest pristine stream or flowering meadow.

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Mesothermal Vein Gold Deposits - Streetwise Reports

Much of the world's economic gold, silver, copper and lead-zinc deposits are found in vein (lode) deposits. ... as the price of gold has soared and mining technology has improved, so deposits with larger tonnages and lower grades can be mined economically. Both underground and open-pit mining methods are used to extract minerals with the latter ...

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Mineral Resource Assessment Map for Vein and Replacement Deposits of ...

Outstanding examples are the large, high-grade copper-zinc-lead-silver veins of the Butte district, the silver veins of the Granite-Bimetallic mine (Philipsburg district), the gold-silver veins of the Drumlummon mine (Marysville district), and the silver-zinc-lead veins and replacement ore bodies of the Alta mine (Wickes district).

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QC Copper And Gold Developing Quebec's Next High Grade Open Pit Mine ...

If we take $0.05/lb of copper, this gives a valuation of around $100 million. To double check, we use the following chart to evaluate the deposit from a gold equivalent basis. Explorers are...

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C3 Metals Discovers Large-Scale Epithermal Gold-Copper Vein System at ...

Rock Chips Assayed up to 14.2 g/t Gold and 5.2% Copper. Toronto, Ontario-(Newsfile Corp. - September 13, 2022) - C3 Metals Inc. (TSXV: CCCM) (OTCQB: CUAUF) ("C3 Metals" or the "Company") is pleased to report the discovery of a large-scale, intermediate sulfidation epithermal gold and copper vein swarm at the Company's 100% owned Arthurs Seat project.

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VEIN DEPOSITS - Earth Sci

Vein deposits include most gold mines, many large silver mines and a few copper and lead-zinc mines.. Veins commonly consist of quartz (sometimes of several varieties such as amethystine or chalcedony) usually occurring as interlocking crystals in a variety of sizes or as finely laminated bands parallel to the walls of the vein.

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Ivanhoe Electric Subsidiary Cordoba Minerals Reports Intersecting ...

Aug 8, 2022Ivanhoe Electric Subsidiary Cordoba Minerals Reports Intersecting Multiple High-Grade Gold-Copper Veins within the Alacran Deposit at Its San Matias Copper-Gold-Silver Project in Colombia Ivanhoe...

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Mining - Skill - World of Warcraft - Wowhead

Just To Help Out New Miners that are also new to warcraft i will help ya get a jumpstart on your mining! Alliance: Find Copper Ores Among The Mountains in Elwynn Forest., Not As Rich As Durotar, but one of the best jumpstarts, and also the Human Starting Territory.Also Near Stormwind, The Alliance Capital ... Iron Deposit-----100 Gold Vein ...

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Exploration Copper — White Rock Minerals Ltd

It is considered that while the economic potential for copper-gold mineralisation associated with a porphyry may be at considerable depth (>500m), the potential for high grade copper-gold veins ('D-veins') extending upwards from the porphyry source also presents a strong secondary target.

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Gold Vein - Wowpedia - Your wiki guide to the World of Warcraft

With Mining (1) in retail or Mining (155) in Classic, these veins can be looted for: [Gold Ore] (guaranteed if Mining is 155 or higher) [Gold Ore Nugget] (if Mining is 154 or lower; retail only) [Citrine] (rare) [Jade] (rare) [Lesser Moonstone] (rare) Quest items

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Fallout 76 Best Copper Vein Locations for Good Farming

The best way to get copper quickly is to mine the copper veins at the following locations while wearing Excavator Power Armor. Solomon's Pond. Landview Lighthouse. Kanawha County Cemetery. Whitesprings Station. Smelting the copper ore with the Super Duper perk equipped will result in over 200 copper scrap.

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Cordoba Minerals intersects multiple high-grade gold-copper veins in ...

Cordoba Minerals intersects multiple high-grade gold-copper veins in Alacran Deposit at its San Matias project in Colombia "Results indicate a shared feeder system for the mineralizing fluids and point towards excellent exploration potential to depth, including for a porphyry copper-gold source," said Cordoba CEO Sarah Armstrong-Montoya

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Ivanhoe Electric Subsidiary Cordoba Minerals Reports Intersecting ...

Ivanhoe Electric Subsidiary Cordoba Minerals Reports Intersecting Multiple High-Grade Gold-Copper Veins within the Alacran Deposit at Its San Matias Copper-Gold-Silver Project in Colombia Article...

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Clues from soured milk reveal how gold veins form - Phys

McGill Colloidal Au research team study a mineralized (gold-bearing) vein underground at the Brucejack mine. Credit: Duncan McLeish For decades scientists have been puzzled by the formation of rare...

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(PDF) Characteristics of Porphyry Copper-Gold Mineralization in the ...

Kucing Liar is a large copper-gold skarn deposit with reserves of 406MT grading 1.25% Cu and 1.07 g/t Au and containing around 5 MT of copper and 14 Moz of gold. The deposit is situated close to ...

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Copper Mining - Michigan Technological University

There is no doubt that copper was mined at Isle Royale thousands of years ago. Most likely this was done by indigenous miners who traded the copper with people who lived far to the south. These early mines found native copper in veins at the surface. They left behind pits and dumps. Mining by Europeans started in the 1800s on both the Keweenaw ...

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Epithermal | Mining Geology HQ

High sulphidation (HS) epithermal deposits form at depths less than 1 km and are spatially related to volcanic centers and diatremes. Mineralizing fluids are sourced from high-level degassing of magma and consist of hydrochloric acid, sulphur, and carbon dioxide. HS deposits contain a high metal to sulphur ratio within the sulphide minerals.

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Carrapateena Copper-Gold Project - Mining Technology

Dec 7, 2020The project is located at Pernatty Station and its associated infrastructure is situated within Oakden Hills station. Carrapateena is an iron oxide-copper-gold (IOCG) ore deposit located approximately 250km south-east of OZ Minerals' Prominent Hill mine. It comprises four exploration licences spread across a 1,070km² area in central South ...

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Gold deposits of Suriname: geological context, production and economic ...

Despite the range of mining activities, Suriname's gold deposits and occurrences are under-explored from a scientific point of view. Primary gold mineralisations in the greenstone belt occur in multiple forms, and although their origin is commonly related to the Palaeoproterozoic Trans-Amazonian orogeny, the controls of ore formation in ...

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Gold in porphyry copper deposits: its abundance and fate

Cu/Au atomic ratios of chalcopyrite and bornite in these deposits are 500,000-2,000,000. These values are much higher than Cu/Au ratios derived from average grades for the bulk ore (Table 1), confirming the importance of native gold grains as metal hosts in porphyry copper deposits. Redistribution and loss of gold in porphyry copper deposits

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Ferris-Haggarty Copper-Gold mine, Encampment District, Wyoming

The Ferris-Haggarty mine was a major copper-gold-silver mine in the early 20th century, but closed following disasters related to the mill and smelter burning to the ground along with a drop in copper prices. Most ore likely remains unmined and has similarities to Arizona's world-class United Verde mine. The Ferris-Haggarty appears to be a ...

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Portugal Copper Gold Projects - Goldplay Mining

The Aparis Copper Mine ("Aparis") is a past producing underground copper mine that produced until 1975 when copper averaged just $0.55 per pound. The buildings and a small flotation mill remain on site. The mine contains an extensive vein system. The system extends for over 3 km along strike and remains open for exploration.

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Innovations: Introduction to Copper: Mining & Extraction

Copper minerals and ores are found in both igneous and sedimentary rocks. Mining of copper ores is carried out using one of two methods. Underground mining is achieved by sinking shafts to the appropriate levels and then driving horizontal tunnels, called adits, to reach the ore. Underground mining is, however, relatively expensive and is ...

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Map showing mineral resource assessment for vein and replacement ... - USGS

The purpose of this report is to assess the potential for undiscovered vein and replacement deposits of gold, silver, copper, lead, zinc, manganese, and tungsten in the Butte 1° x 2° quadrangle. This quadrangle, in west-central Montana, is one of the most mineralized and productive regions in the United States. Its mining districts, including the world famous Butte or Summit Valley district ...

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Mineral Reservations | PMDC

Quartz-calcite veinlets have visible copper minerals such as chalcopyrite and bornite. The host rock in the area is chloritic and pyritic andesite porphyry. Malachite and azurite stainings are present on the outcrops in the creek and on the walls of abandoned and active adits in the area.

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The Lost Dutchman Mine: Known Deposits and Direct Evidence of ...

The lack of gold in the Reymert vein knocks it out of the running as a possible source of the Dutchman's gold. Superior (Pioneer): As noted above, the Magma mine was a significant gold producer, and anomalous gold values are common in the smaller deposits and prospects of the Superior District.

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Montreal Star | Gold Rush Expeditions, Inc®

The mine is primarily a gold producing property with some Silver, Copper, and Zinc. It has been targeted for Silver in the past but best returns have been from Gold. The mine also has significant Copper deposits which is not surprising giving the geological locality to the Anaconda and Butte Copper deposits.

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Mineral Deposit Value - How to Calculate the Potential Value of a ...

As you can see in the example above, the deposit does not have to be enormous in size (only 500 meters long by 100 meters wide) to contain a valuable deposit (approximately $6 billion worth of minerals). However, in order to be as realistic as possible about this valuation, you can not assume that the complete ore body contains the same grade (i.e. 2% copper and 1.5 gram per tonne gold).

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POLYMETALLIC VEIN AND REPLACEMENT DEPOSITS (MODELS 19a and 22c ... - USGS

Most polymetallic vein and replacement deposits are zoned such that copper-gold ore is proximal to intrusions, whereas lead-zinc-silver ore is laterally and vertically distal to intrusions. Examples Leadville, Gilman, and Breckenridge districts, Bandora Mine, Colo.; Park City, Utah, district; Eureka, Nev., district; New World, Mont., district.

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Structural Evolution, Vein Orientation, and Paragenesis of the Botija ...

Botija is one of seven Cu-Mo-Au porphyry deposits in the Cobre Panama district, which currently has a global resource of 4.2 Gt at a grade of 0.35 wt % Cu. Host rocks include a sequence of Eocene andesites that are intruded by equigranular and porphyritic intrusions of the 32 to 28 Ma Petaquilla batholith.

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Metallic Minerals Announces Start of Drilling at La Plata Silver-Gold ...

The La Plata district has a long and rich history of mining with the first silver deposits discovered in the 1700s by Spanish explorers. High-grade silver and gold production has been documented from the 1870s through the early 1940s from vein structures, replacement bodies and breccia zones at over 90 individual mines and prospects 3.

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QC Copper Updates on the Opemiska Copper-Gold Deposit's New Mineral ...

Toronto, ON - September 12, 2022 - QC Copper and Gold Inc. ("QC Copper" or the "Company") (QCCU:TSXV | QCCUF:OTCQB) is pleased to provide a detailed update on its progress towards publishing the Company's updated Mineral Resource Estimate ("MRE") on the Opemiska Copper Project ("Opemiska"), as well as other corporate matters. "Our team's primary goal over the past year has been to deliver ...

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