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searching for Copper sulfide 54 found (95 total)

Digenite (553 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 scalenohedral

Supergene (geology) (767 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

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 (291 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

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

Selenide (443 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

Copper extraction (7,320 words) [view diff] exact match in snippet view article find links to article

forced through the slurry. The air bubbles attach to the hydrophobic copper sulfide particles, which are conveyed to the surface where the froth is skimmed

Keweenaw Peninsula (1,675 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 (2,997 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

Reverberatory furnace (962 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

Sulfide (1,076 words) [view diff] exact match in snippet view article find links to article

(zinc sulfide), and pyrite (iron disulfide), and chalcopyrite (iron-copper sulfide). This sulfide minerals recorded information (like isotopes) of their

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

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 (988 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 (14,146 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

Soltvadkert (1,608 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.

Cyrus Wadia (760 words) [view diff] exact match in snippet view article find links to article

sunlight, identifying two previously overlooked materials: iron pyrite and copper sulfide. Also in 2009, Wadia delivered a talk "How to Bring Solar Energy to

Alcantarillaite (381 words) [view diff] exact match in snippet view article find links to article

Copper sulfide mineral

Nathaniel P. Hill (1,049 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

Anaconda Copper Mine (Nevada) (790 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

Mechanochemistry (1,811 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

New Cornelia mine (834 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

Nitrous-oxide reductase (891 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

David M. Dooley (925 words) [view diff] no match in snippet view article find links to article

2000). "The Catalytic Center in Nitrous Oxide Reductase, CuZ, Is a Copper−Sulfide Cluster". Biochemistry. 39 (42): 12753–12756. doi:10.1021/bi001811i

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

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 (748 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

Tellurium compounds (1,964 words) [view diff] exact match in snippet view article find links to article

Zhang; Kanatzidis, Mercouri G. (June 1, 1993). "Synthesis of cesium copper sulfide CsCuS6, and Cs6Cu2(TeS3)2(S6)2 in molten cesium sulfide telluride, Cs2SxTey

Ionometallurgy (2,124 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

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

Copper mining in Michigan (3,313 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 (3,374 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

Ore (5,466 words) [view diff] no match in snippet view article find links to article

sedimentary rocks. These are a source of copper primarily in the form of copper-sulfide minerals. Placer deposits are the result of weathering, transport, and

Acid mine drainage (4,528 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 (1,061 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 (10 mm Hg) SCl2

Kambalda type komatiitic nickel ore deposits (2,847 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

Arsenical bronze (3,124 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

Erik Paulsen (3,258 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 (3,971 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 (2,578 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 (6,502 words) [view diff] exact match in snippet view article find links to article

Copper sulfide foam in a froth-flotation cell

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

LK-99 (6,950 words) [view diff] exact match in snippet view article find links to article

observations that suggested superconductivity. A prominent cause was a copper sulfide impurity occurring during the proposed synthesis, which can produce

Thin-film solar cell (14,316 words) [view diff] exact match in snippet view article find links to article

to further thin-film solar research. The institute first focused on copper sulfide/cadmium sulfide (Cu2S/CdS) cells and later expanded to zinc phosphide

Steven Suib (2,051 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

ISASMELT (8,366 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

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

2019 in arthropod paleontology (10,488 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

Cape Rosier, Maine (3,738 words) [view diff] exact match in snippet view article find links to article

5' W.). It is said that a clam digger at Goose Pond discovered zinc-copper sulfide ore deposits at low tide. The mine at Goose Falls produced 10,000 tons