Iron oxide copper gold ore deposits Wikipedia

Iron oxide copper gold ore deposits are important and highly valuable concentrations of copper, gold and uranium ores hosted within iron oxide dominant gangue assemblages which share a common genetic origin. These ore bodies range from around 10 million to >4,000 million tonnes of contained ore, and have a grade of between 0.2% and 5% copper, with gold contents ranging from 0.1 to 1.41 grams per

miners of copper and gold vein deposit kaskadove

miners of copper and gold vein deposit. Mesothermal Vein Gold Deposits StreetWise Reports . Comment The East orebody and West orebody were copper-gold skarn deposits located along the north margins of the Copper Canyon granodiorite body mined in the 1970s The Fortitude Deposit is a world-class gold-silver skarn deposit that was discovered north of the West orebody in late 1980 . Gold

Copper mining in Michigan Wikipedia

The deposit is a stratiform deposit in the lower 15 m of the Proterozoic Nonesuch Shale and the upper 2 m of the underlying Copper Harbor Conglomerate. The principal ore mineral was chalcocite,although native copper predominated in the lower part of the beds.

Models and Exploration Methods for Major Gold Deposit Types

vein-type deposits and their equivalents, formed at mid-crustal levels. Specific deposit types in this clan include the turbidite-hosted and greenstone-hosted vein deposits, as well as the BIF-hosted veins and sulfidic replacement deposits (Figure 1; Table 1). As discussed in more detail below, a confusing issue is

SolGold’s Ecuador copper project gets bigger MINING.COM

07/04/2020 The deposit’s resource now stands at 2.66 billion tonnes at 0.53% copper-equivalent in the measured and indicated categories, and 544 million tonnes at 0.31% copper-equivalent in the inferred

Vein (geology) Wikipedia

19/12/2005 Hydrofracture breccias are classic targets for ore exploration as there is plenty of fluid flow and open space to deposit ore minerals. Ores related to hydrothermal mineralisation, which are associated with vein material, may be composed of vein material and/or the rock in which the vein is hosted. Gold-bearing veins. In situ gold-bearing vein (in brown) at the Toi gold mine, Japan. In many

Gold and Copper Ore Vein YouTube

17/12/2017 This claim is being refiled by the former claimant. This is off-limits now to any prospecting.

Relation between porphyry deposits and their vein satellites

porphyry copper deposit and its nonporphyry satellite (Vesennee gold–silver deposit). Therefore, the Asket ore occurrence can be assigned to both porphyry gold and porphyry gold–copper types

History of Arizona Gold Mining Western Mining History

Gold mining became less attractive, and the miners in Arizona turned their attention to copper. From 1900 until the business Collapse of 1929 and 1930, gold mining was subordinate to base metal mining. The only exceptions were the discovery and exploitation of the rich vein deposits of the Gold Road, Tom Reed, United Eastern, and others, in the Oatman district. Gold mining also continued on a

SolGold’s Ecuador copper project gets bigger

A third resource update for Alpala has added 1.6m tonnes of copper, 2.5m ounces of gold and 92m ounces silver to the deposit.

Vein (geology) Wikipedia

Hydrofracture breccias are classic targets for ore exploration as there is plenty of fluid flow and open space to deposit ore minerals. Ores related to hydrothermal mineralisation, which are associated with vein material, may be composed of vein material and/or the rock in which the vein is hosted. Gold-bearing veins. In situ gold-bearing vein (in brown) at the Toi gold mine, Japan. In many

Copper mining in Michigan Wikipedia

To extract a single mass of copper, miners could spend months chiseling it into pieces small enough to hoist out of the mine. Although they were pure copper, removing the masses took a great deal of effort, and was sometimes not even profitable. The majority of the copper recovered was "barrel copper" (pieces broken from the rock and hand sorted in the "rock house," and shipped to the smelter

Miners Working In A Stope Of A Gold Vein Deposit C

Miners working in a stope of a gold vein deposit complained that there was too much dust being generated during stoping operations and worried about health risk of exposure to respirable silica. To determine the appropriate control process to be used to reduce or prevent dust from occurring, a combined dust survey and dust study was made in the stope for several shifts. The following average

Gold, Silver, And Copper: 9 Top Stock Picks For Resource

19/01/2021 The company has nine producing mines and digs up silver, gold, zinc, lead and copper. And it has a total reserve base of 550 million ounces of silver and 5.2 million ounces of gold.

Veins and Hydrothermal Deposits Geology In

Vein deposits of this nature are a type of hydrothermal deposit because the mineral species which compose the veins were precipitated by hot waters. However, sometimes the preexisting rock wall which contains the vein undergoes alteration. Portions of the host rock may either dissolve and be transported away or else react chemically with the circulating volatile fluids or the newly formed

Glossary of Mining Terms Legends of America

Copper miners in Michigan, Keystone View Co, 1916. Commonly a mixture of one or more of the following: quartz, gold, copper, silver, sulfur, iron, and nickel. Outcrop That portion of a vein appearing at the surface. P. Pack Train Pack trains were used to transport the bare necessities to miners and loggers in the 19th century. They usually consisted of 5 or more horses or mules and

The 10 Biggest Copper Stocks The Motley Fool

Barrick Gold's copper operations consist of a wholly owned copper mine in Zambia and 50% interests in copper mines in Chile and Saudi Arabia. Those three mines combined to produce 383 million

Gold and copper mineralization at the El Indio deposit

01/02/1990 INTRODUCTION The E1 Indio gold-silver-copper vein deposit is located in the high Andes of north-central Chile, approximately 500 km north of Santiago and 180 km east of La Serena (Fig. 1 ). Until 1976, the only mining activity was by "pirquine- ros", independent miners who worked small operations during the summer months. In 1978, St. Joe Minerals began active exploration and

Copper-gold deposits to help gold miners overcome

As a gold miner, Barrick needs to replace its gold reserves as they’re mined out. If, instead of a gold deposit, Barrick acquires a copper-gold porphyry, by-product accounting takes place because the deposit not only has gold but copper, maybe molybdenum, and other metals too. The copper and moly by-products are mined, processed and sold

Relation between porphyry deposits and their vein satellites

porphyry copper deposit and its nonporphyry satellite (Vesennee gold–silver deposit). Therefore, the Asket ore occurrence can be assigned to both porphyry gold and porphyry gold–copper types

History of Arizona Gold Mining Western Mining History

Gold mining became less attractive, and the miners in Arizona turned their attention to copper. From 1900 until the business Collapse of 1929 and 1930, gold mining was subordinate to base metal mining. The only exceptions were the discovery and exploitation of the rich vein deposits of the Gold Road, Tom Reed, United Eastern, and others, in the Oatman district. Gold mining also continued on a

Mining by Aborigines Australia's first miners

The Rumbalara deposit 200 km south of Alice Springs in the Northern Territory has also been a large producer of ochre. During the Second World War, the ochre from Rumbalara was used for the manufacture of camouflage paint. The discovery of the vast Cobar copper and gold deposits in NSW has a connection to the mining of ochre by Aborigines. The

Miners Working In A Stope Of A Gold Vein Deposit C

Miners working in a stope of a gold vein deposit complained that there was too much dust being generated during stoping operations and worried about health risk of exposure to respirable silica. To determine the appropriate control process to be used to reduce or prevent dust from occurring, a combined dust survey and dust study was made in the stope for several shifts. The following average

Mineral Deposit Value How to Calculate the Potential

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).

Veins and Hydrothermal Deposits Geology In

Vein deposits of this nature are a type of hydrothermal deposit because the mineral species which compose the veins were precipitated by hot waters. However, sometimes the preexisting rock wall which contains the vein undergoes alteration. Portions of the host rock may either dissolve and be transported away or else react chemically with the circulating volatile fluids or the newly formed

Glossary of Mining Terms Legends of America

Copper miners in Michigan, Keystone View Co, 1916. Commonly a mixture of one or more of the following: quartz, gold, copper, silver, sulfur, iron, and nickel. Outcrop That portion of a vein appearing at the surface. P. Pack Train Pack trains were used to transport the bare necessities to miners and loggers in the 19th century. They usually consisted of 5 or more horses or mules and

Gold Deposit Classification: List of 10 Types of Gold

Gold/Auriferous Deposits can be classified into types for which here is a List of 10 Types of Gold Deposits:. Auriferous porphyry dykes, sills, and stocks; Auriferous pegmatites; coarse-grained granitic deposits + albitite.; Carbonatites and carbonatite-related deposits.; Auriferous skarn and gold skarn type deposit.; Gold/Silver and vise-versa veins, lodes, mineralized pipes and irregular