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searching for Copper sulfide 49 found (88 total)

alternate case: copper sulfide

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 CopperSulfide 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