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searching for Copper sulfide 49 found (88 total)

Digenite (539 words) [view diff] exact match in snippet view article find links to article

Digenite is a copper sulfide mineral with formula: Cu9S5. Digenite is a black to dark blue opaque mineral that crystallizes with a trigonal - hexagonal

Selenide (513 words) [view diff] exact match in snippet view article find links to article

minerals. The degree of substitution is only of commercial interest for copper sulfide ores, in which case selenium is recovered as a by-product of copper

Cuprite (467 words) [view diff] exact match in snippet view article find links to article

forms. It is a secondary mineral which forms in the oxidized zone of copper sulfide deposits. It frequently occurs in association with native copper, azurite

Brochantite (295 words) [view diff] exact match in snippet view article find links to article

formula is Cu4SO4(OH)6. Formed in arid climates or in rapidly oxidizing copper sulfide deposits, it was named by Armand Lévy for his fellow Frenchman, geologist

Supergene (geology) (764 words) [view diff] exact match in snippet view article

primary ore. This is particularly noted in copper ore deposits where the copper sulfide minerals chalcocite (Cu2S), covellite (CuS), digenite (Cu18S10), and

Clinoclase (230 words) [view diff] exact match in snippet view article find links to article

mineral and forms acicular crystals in the fractured weathered zone above copper sulfide deposits. It occurs in vitreous, translucent dark blue to dark greenish

Villamanínite (397 words) [view diff] exact match in snippet view article find links to article

Villamanínite is a copper sulfide mineral with small amounts of other elements, belonging to group II according to the Strunz classification. It was discovered

Fletcherite (181 words) [view diff] exact match in snippet view article find links to article

Centerville, Reynolds County, Missouri. It occurs as a dissemination within copper sulfide minerals in mineralization replacing dolomite at the type locality in

Copper extraction (5,216 words) [view diff] exact match in snippet view article find links to article

that an acceptably high degree of liberation has occurred between the copper sulfide ore minerals and the gangue minerals. The ore is then wetted, suspended

Keweenaw Peninsula (1,595 words) [view diff] exact match in snippet view article find links to article

20th century. Hard rock mining in the region ceased in 1967 though copper sulfide deposits continued for some time after in Ontonagon. This vigorous industry

Cornwallite (147 words) [view diff] exact match in snippet view article find links to article

Cornwall, England. It occurs as secondary mineral in the oxidized zone of copper sulfide deposits. Associated minerals include olivenite, cornubite, arthurite

Extractive metallurgy (2,969 words) [view diff] exact match in snippet view article find links to article

could be recovered from solution. During extraction of copper from copper sulfide minerals with Ethaline, chalcocite (Cu2S) and covellite (CuS) produce

Sulfide (1,009 words) [view diff] exact match in snippet view article find links to article

(zinc sulfide), and pyrite (iron disulfide), and chalcopyrite (iron-copper sulfide). Dissolved free sulfides (H2S, HS− and S2−) are very aggressive species

Pyrometallurgy (725 words) [view diff] exact match in snippet view article find links to article

such that a mixed sulfide feed (for instance a feed containing both copper sulfide and iron sulfide) reacts such that one metal forms a sulfate and the

Reverberatory furnace (968 words) [view diff] exact match in snippet view article find links to article

furnace used in copper production, treating either roasted calcine or raw copper sulfide concentrate. While they have been supplanted in this role, first by

Posnjakite (170 words) [view diff] exact match in snippet view article find links to article

an uncommon but widespread secondary mineral in the oxidised zone of copper sulfide deposits, which may be of post-mine formation. It is associated with

Dioptase (980 words) [view diff] exact match in snippet view article find links to article

regions where it forms as a secondary mineral in the oxidized zone of copper sulfide mineral deposits. However, the process of its formation is not simple

Thermoelectric materials (11,893 words) [view diff] no match in snippet view article find links to article

Thermoelectric materials show the thermoelectric effect in a strong or convenient form. The thermoelectric effect refers to phenomena by which either a

Alcantarillaite (365 words) [view diff] exact match in snippet view article find links to article

Copper sulfide mineral

Anaconda Copper Mine (Nevada) (780 words) [view diff] exact match in snippet view article

solutions, subsequently electroplating onto stainless steel sheets. Copper sulfide ore from the lower portion of the pit was processed by crushing, and

Nathaniel P. Hill (1,038 words) [view diff] exact match in snippet view article find links to article

that of copper matte. In this method - known as the Swansea process - copper sulfide ore was mixed with gold and silver ore and the copper acted as a vehicle

Soltvadkert (1,643 words) [view diff] exact match in snippet view article find links to article

ghetto was liquidated and Jews were forced to march 26 kilometers to a copper sulfide factory near Kecskemét, from where they were deported to Auschwitz.

Nitrous-oxide reductase (888 words) [view diff] no match in snippet view article find links to article

that contains the catalytic site called CuZ, which is a tetranuclear copper-sulfide cluster. The distance between the CuA and CuZ centers within a single

Mechanochemistry (1,762 words) [view diff] exact match in snippet view article find links to article

mineral cinnabar) and copper metal thereby react to produce mercury and copper sulfide: HgS + 2Cu → Hg + Cu2S A special issue of Chemical Society Review was

Cerro Verde mine (363 words) [view diff] exact match in snippet view article find links to article

Chalcocite and covellite are the most important secondary enrichment copper sulfide minerals. Chalcopyrite and molybdenite are the dominant primary sulfides

San Manuel Copper Mine (749 words) [view diff] exact match in snippet view article find links to article

extracted using the block caving method. It was a large disseminated copper sulfide deposit mined with five shafts each over 3,000 feet (910 m) deep. Headframes

Manhès–David process (2,177 words) [view diff] exact match in snippet view article find links to article

repeated many times until the converter is filled with the purified copper sulfide. The converter slag is usually recycled to the smelting stage due to

David M. Dooley (927 words) [view diff] no match in snippet view article find links to article

2000. The Catalytic Center in Nitrous Oxide Reductase, Cu-z, Is a Copper−Sulfide Cluster. Biochemistry 39(42):12753-12756. Zhu, H., Xie, G., Liu, M.

New Cornelia mine (852 words) [view diff] exact match in snippet view article find links to article

in Arizona. Mining and treatment of the underlying but lower-grade copper sulfide orebody began in 1924. New Cornelia came under the ownership of Phelps

Molybdenum mining in the United States (831 words) [view diff] exact match in snippet view article find links to article

chemicals are added to "depress" the copper, meaning to prevent the copper sulfide minerals from attaching to the froth, while the molybdenum is unaffected

Arsenical bronze (2,274 words) [view diff] exact match in snippet view article find links to article

(Sphalerite (ZnS with more or less iron), for example, is not uncommon in copper sulfide deposits, and the metal smelted would be brass, which is both harder

Ionometallurgy (2,113 words) [view diff] exact match in snippet view article find links to article

could be recovered from solution. During extraction of copper from copper sulfide minerals with Ethaline, chalcocite (Cu2S) and covellite (CuS) produce

Copper mining in Michigan (3,312 words) [view diff] exact match in snippet view article find links to article

308 Although native copper was the dominant ore mineral, chalcocite (copper sulfide) was sometimes present, and, especially in the Mohawk mine, copper arsenide

Pahaquarry Copper Mine (1,463 words) [view diff] exact match in snippet view article find links to article

The copper ore deposit found here is the grayish mineral chalcocite (copper sulfide) embedded in a hard gray sandstone band of the Bloomsburg Red Beds.

Komatiite (3,294 words) [view diff] exact match in snippet view article find links to article

mineralisation at Kambalda, Western Australia. Komatiite-hosted nickel-copper sulfide mineralisation today accounts for about 14% of the world's nickel production

Acid mine drainage (4,488 words) [view diff] exact match in snippet view article find links to article

precipitates retained in sediments are unstable when exposed to oxygen (e.g., copper sulfide or elemental selenium), and it is very important that the wetland sediments

Difluorodisulfanedifluoride (1,046 words) [view diff] exact match in snippet view article find links to article

reacts with copper at high temperatures producing copper fluoride and copper sulfide. SF3SF can be made in the laboratory when low pressure (10mm) SCl2 vapour

Kambalda type komatiitic nickel ore deposits (2,870 words) [view diff] exact match in snippet view article find links to article

silicates do, the yield strength of the nickel sulfide pentlandite, and copper sulfide chalcopyrite is less than that of pyrrhotite and pyrite, resulting in

Erik Paulsen (3,191 words) [view diff] no match in snippet view article find links to article

have imposed a cap-and-trade system. Paulsen voted against allowing copper-sulfide mining in the Boundary Waters Canoe Area. In 2010 Paulsen voted against

Ore genesis (3,896 words) [view diff] exact match in snippet view article find links to article

tubes or volcanic flows — especially komatiite lavas. Komatiitic nickel-copper sulfide deposits are considered to be formed by a mixture of sulfide segregation

1935 Copperbelt strike (2,575 words) [view diff] exact match in snippet view article find links to article

became part of the British Empire. The discovery of large deposits of copper sulfide during the 1900s encouraged large mining companies to invest in Northern

Froth flotation (6,307 words) [view diff] exact match in snippet view article find links to article

Copper sulfide foam in a froth-flotation cell

Biomining (2,584 words) [view diff] exact match in snippet view article find links to article

copper ores because copper sulfate, as formed during the oxidation of copper sulfide ores, is very water-soluble. Approximately 25% of all copper mined worldwide

Vilabouly Complex, Laos (1,592 words) [view diff] exact match in snippet view article find links to article

plentiful in the Vilabouly complex. Chalcocite (Cu2S), a secondary copper sulfide, is also found in many places in the complex, and it is often found

Steven Suib (2,047 words) [view diff] exact match in snippet view article find links to article

application of the aforementioned technology. Suib used the mesoporous copper sulfide material in a visible light driven catalytic process for the transformation

Jameson cell (8,597 words) [view diff] no match in snippet view article find links to article

Copper-sulfide-loaded air bubbles on a Jameson Cell at the flotation plant of the Prominent Hill mine in South Australia

List of minerals recognized by the International Mineralogical Association (C) (6,708 words) [view diff] exact match in snippet view article

008] [no] Covellite (Y: 1832) 2.CA.05a [1,009] [1,010] [1,011] (IUPAC: copper sulfide) Cowlesite (zeolitic tectosilicate: IMA1975-016) 9.GG.05 [1,012] [1

ISASMELT (8,999 words) [view diff] exact match in snippet view article find links to article

bullion. Scientists at the CSIRO conducted small-scale test work on copper sulfide concentrate in 1979, using the CSIRO’s 50 kg Sirosmelt test rig. These

2019 in arthropod paleontology (10,178 words) [view diff] exact match in snippet view article find links to article

(Guizhou, China) by Cui et al. (2019). A study reevaluating crystals of a copper sulfide mineral found in association with specimens of Marrella splendens from