copper ore in shale



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Metalliferous Black Shales and Related Ore Deposits ,

Sediment-Hosted Ore Deposits By ES Ho, RM Kettler, and PA Meyers, Department of Geological Sciences, University of Michigan, Ann Arbor, Ml 48109-1063 The role of organic matter in the formation of ore deposits is the subject of research _at se~eral s~di~ent­ hosted ore ,...

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Mining Industry | Types and Distribution of Copper Ore in ,

Jul 09, 2019· (7) Central Europe Poland-Germany shale copper mining area (8) Spain-Portuguese pyrite-type copper ore belt (9) Russia’s Siberian copper-nickel sulfide mine (10) Udokan sand shale copper mining area in Siberia, Russia (11) The Russian Ural and Kazakhstan Altai pyrite copper polymetallic ore belt (12) Marange Jake Copper Mine, India...

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Oil Shale - Team CoFH

Jul 25, 2021· Oil shale is an uncommon ore that yields bitumen and small amounts of flint Obtaining Oil shale occurs fairly uncommonly in mesas, oceans, swamplands, and snowy biomes in veins between gravel, dirt and stone blocks It is found at almost any altitude (layers 10-80) It occurs in fairly large deposits, almost as large as deposits of coal oreDeposits of oil shale may also contain some coal ore...

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Bioflotation of a Black Shale Copper Ore | ScientificNet

A sample of black shale fraction of copper ore from the Lubin deposit, Poland, was subjected to pretreatment by different microorganisms to improve the copper recovery during the subsequent flotation Chemolithotrophic bacteria grown on So and S2O3 2- were used to depress pyrite before flotation by means of ethyl xantate as collector...

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Copper I - Michigan State University

Note the green, copper-rock vesicles in the ore shown below--there vesicles were originally bubbles in the lava that have been filled with copper Source: Photograph by Randy Schaetzl, Professor of Geography - Michigan State University Commercial ore deposits are present at only about a dozen levels in the Portage Lake Lavas...

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Copper shale Facts: Kupferschiefer Lausitz

The Copper Shale Copper shale is a calcareous mudstone, which includes a variety of metals in finely divided forms, including copper, silver, zinc, and lead The name derives from the proportion of sulfur-containing copper ore in the rock Beyond the importance of its composition, copper shale ,...

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Copper Deposits in Sedimentary and Volcanogenic Rocks

Copper deposits occur in sedimentary and volcanogenic rocks within a wide variety of geologic environments where there may be little or no evidence of hydrothermal alteration Some deposits may be hypogene and have a deep-seated source for the ore fluids, but because of rapid cooling and dilution during syngenetic deposition on the ocean floor, the resulting deposits are not associated with ....

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Midnight Sun Discovers "Ore Shale"-Type Copper-Cobalt ,

Jan 12, 2017· Ore shale mineralization is the dominant form of copper, cobalt and nickel deposition in the Zambia-Congo Copperbelt, the largest single copper production area in the world...

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Coal, Metallic and Mineral Resources | WA - DNR

Mining of coal and metallic minerals in Washington began in the mid to late 1800s Coal production in Washington hit a high in 2003 with an estimated total production of 6,232,000 short tons, yet production ceased in 2006 Metals mining during the same general time period occurred on both sides of the Cascade divide, but was largely concentrated in the northeastern portion of...

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Midnight Sun Discovers “Ore Shale”-Type Copper-Cobalt ,

How to assay and evaluate silver, copper and lead ores...

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"Ore Microscopy and Genesis of the Copper-Shale Deposit at ,

Ore microscopic study of copper-bearing shale at the Creta mine in southwestern Oklahoma reveals a variety of copper sulfide grains and shows that each has originated by replacement of original constituents in the Permian Flowerpot Shale at Creta The largest grains, about 120 μm in diameter, are replacements of megaspores with triletes morphology...

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Processing copper ores with high carbon shale - Froth ,

I am processing copper ores with high carbon content (shale) The feature of the flotation large bubbles with high surface tension I'm looking for a reagent that can help decrease the stability of the bubble, but that does not affect the recovery of copper and can prevent flotation of coal...

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Geology and Ore Deposits of East Shasta Copper-Zinc ,

Minerals of the massive sulfide ore produced from the East Shasta copper-zinc district_____ 70 6 Quantitative spectrographic analysis for germanium, cadmium, cobalt, nickel, and gallium in 14 ore ,...

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[Map showing locations of rock and mineral developments ,

underground development of the ore body started The White Pine mine is unique insofar as Michigan is concerned in that the ore is in the Nonsuch shale and is mainly copper sulfide (chalcocite) with minor amounts of native copper Presently operating copper mines in Houghton and Keweenaw counties obtain native copper...

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SEDIMENT-HOSTED DEPOSITS

Sediment-Hosted Copper Deposits “Epigenetic” disseminated Cu deposits hosted in reduced , fine-grained clastic sedimentary rocks These three types may be considered as a spectrum of base-metal ore deposits which form in sedimentary rocks at some time during the evolution of a sedimentary basin , impermeable shale; and ‘pinch-outs ....

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Electrothermal fracture of copper shale (Book, 1976 ,

Tests were carried out on copper-bearing ores of the Nonesuch Shale Formation in the laboratory and in the field at White Pine, Mich Fieldwork included primary and secondary breakage tests Heating tests on in situ rock failed to produce thermal damage to an extent considered useful; however, boulders up to 30 ft\u00B3 were effectively broken ....

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Material Matters: Miner PEs, Iron Ore, Metals & Shale ,

Mar 19, 2021· Pandemic-related mine supply issues are estimated to have affected around 5% of copper volum Of the industrial base metals, copper has a tight demand and supply outlook through to the middle part of this decade, the broker adds Shale As the oil price recovers, there is potential for a rapid US supply response from shale Longview Economics ....

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How to assay and evaluate silver, copper and lead ores

Identifying Ores of Silver, Copper and Lead Silver is generally found in serpentine, trap, sandstone, limestone, shale, or porphyry rocks, the gangue being quartz, calc, fluorite, or barite All silver ores are heavy, and many of them are sectile, ie, may be cut with the knife Western men test for silver by heating the ore and dipping it ....

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(PDF) Bacterial leaching of black shale copper ore

A sample of run-of-mine black shale ore containing 104 % copper, 80 g/t silver, 119 % sulphur, 12 % organic carbon and 225 % carbonates was leached in a percolation column containing 12 kg ore ....

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Copper shale Facts: Kupferschiefer Lausitz

The Copper Shale Copper shale is a calcareous mudstone, which includes a variety of metals in finely divided forms, including copper, silver, zinc, and lead The name derives from the proportion of sulfur-containing copper ore in the rock Beyond the importance of its composition, copper shale ,...

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copper II - Michigan State University

The ore at White Pine is in the Nonesuch Shale, and consists mainly of the copper sulfide mineral chalcocite (Cu 2 S) Although the presence of copper mineralization in the White Pine area has been known since about 1850, successful mining operations on ,...

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Comparative Analysis of the Strength Distribution for ,

lithological types of copper ore (carbonate, sandstone, and shale ore) were manually divided within each particle size fraction (Figure 1) Figure 1 The lithological types of copper ore within the particle size fraction 21 Material Characteristic Selected physical and mechanical characteristics of the materials were determined The results...

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Keweenaw Michigan field trip

It was one of the few mines to successfully exploit a sulfide ore The Nonesuch shale contains copper sulfides over much of the area in which it was deposited, but there were only economic concentrations at the White Pine mine and in the Presque Isle syncline west of the Porcupine Mountains The deposit was formed when pyrite near the base of ....

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Biotransformation of organic-rich copper-bearing black ,

Apr 01, 2010· The role of indigenous microorganisms in the biotransformation of refractory organic-rich copper-bearing black shale ore (Kupferschiefer) was confirmed in laboratory experiments The persistent shale's organic matter was utilized by a mixture of bacterial strains as the sole carbon and energy source, and bacterial growth was accompanied by ....

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KGS--Kansas Rocks and Minerals--Minerals

Chalcopyrite occurs with lead and zinc ores in the Tri-State district in Cherokee County Although chalcopyrite is mined throughout the world as a copper ore, commercial quantities of the mineral are not known in Kansas Greenockite (hardness 3-3 1/2) Greenockite, ,...

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[Map showing locations of rock and mineral developments ,

underground development of the ore body started The White Pine mine is unique insofar as Michigan is concerned in that the ore is in the Nonsuch shale and is mainly copper sulfide (chalcocite) with minor amounts of native copper Presently operating copper mines in Houghton and Keweenaw counties obtain native copper...

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PRESSURE LEACHING OF SHALE ORE IN OXYGENATED ,

pressure leaching of shale fraction of copper ore is presented Leaching was performed in the autoclave in the temperature range of 100 -180 0 C using oxygen as an oxidizing agent...

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Copper Deposits in Sedimentary and Volcanogenic Rocks

Copper deposits occur in sedimentary and volcanogenic rocks within a wide variety of geologic environments where there may be little or no evidence of hydrothermal alteration Some deposits may be hypogene and have a deep-seated source for the ore fluids, but because of rapid cooling and dilution during syngenetic deposition on the ocean floor, the resulting deposits are not associated with ....

Read More
Mining Industry | Types and Distribution of Copper Ore in ,

Jul 09, 2019· (7) Central Europe Poland-Germany shale copper mining area (8) Spain-Portuguese pyrite-type copper ore belt (9) Russia’s Siberian copper-nickel sulfide mine (10) Udokan sand shale copper mining area in Siberia, Russia (11) The Russian Ural and Kazakhstan Altai pyrite copper polymetallic ore belt (12) Marange Jake Copper Mine, India...

Read More
Oil Shale - Team CoFH

Jul 25, 2021· Oil shale is an uncommon ore that yields bitumen and small amounts of flint Obtaining Oil shale occurs fairly uncommonly in mesas, oceans, swamplands, and snowy biomes in veins between gravel, dirt and stone blocks It is found at almost any altitude (layers 10-80) It occurs in fairly large deposits, almost as large as deposits of coal oreDeposits of oil shale may also contain some coal ore...

Read More