 | | Journal (issue) | | Articles Famous mineral localities: The Bristol copper mine, Connecticut................................(520) 322-6031 PHOTOs: ZOISITE, Tanzania, 5 cm; CUPRITE, Tsumeb, 1.9 cm; DIOPTASE, Congo, 4 cm; MIMETITE...late 1 8 4 0 ’s, the history o f interm ittent copper m ining at Bristol covers 1 5 0 years, not ceasing...anently u ntil 1 9 5 3 . INTRODUCTION The Bristol Copper mine is located near the city of Bristol, in Hartford...exploit remaining ore reserves, but the fall of copper prices from their World War II levels forced the |  | | Journal (article/letter/editorial) | | way. Encrustations made up of tenorite and (or) cuprite are called cupriferous oxicrete or adopting the...mineralization cuprite goethite cuprite goethite goethite cuprite tenorite cuprite azurite malachite...reference below) Site-country: the name of the primary deposit/ mineralized site and the host country where the...epithermal Al-(Cu) epithermal P phosphorite goethite cuprite cryptomelane manganite malachite azurite malachite...stibiconite senarmontite bismutosti biconite cuprite Carbocretes tridymite cristobalite opal CT opaline-CT |  | | Report (issue) | | Preliminary Model of Porphyry Copper Deposits Open-File Report 2008–1321 U.S. Department of the Interior...Geological Survey Preliminary Model of Porphyry Copper Deposits By Byron R. Berger, Robert A. Ayuso, Jeffrey...Seal, R.R., 2008, Preliminary model of porphyry copper deposits: U.S. Geological Survey Open-File Report.......................3 Physical Description of Deposit...................................................................................14 Theory of Deposit Formation..................................... |  | | Journal (article/letter/editorial) | | Secondary Copper Minerals Downloaded by [UQ Library] at 20:09 23 November 2014 from Eastern Australia...edu.au sharpemin@dodo.com.au Figure 1. Native copper, 2 inches high, Mount Elliott, Cloncurry region...been major producers of copper for more than a century. Significant secondary copper mineral deposits occur...primary sulfides, many fine specimens of secondary copper minerals were recovered in the past and during...state of the same name (Markham and Basden 1974). Copper mining remains extremely active, but very few deposits |  | | Journal (article/letter/editorial) | | Auburn University Auburn, Alabama 36849-5305 A Cuprite Downloaded by [Temple University Libraries] at...deposits, especially those of copper. At relatively shallow depths, copper is concentrated as the native...well known to collectors familiar with porphyry copper deposits of Arizona, New Mexico, and Utah. Many...Many of the world’s finest specimens of native copper, azurite, malachite, atacamite, and a host of other...least of these is cuprite, the topic of this issue’s Connoisseur’s Choice. Cuprite is most familiar as |  | Cheng, Shuting, Cao, Jianjin, Li, Yingkui, Hu, Guai, Yi, Zebang (2018) TEM observations of particles in groundwater and their prospecting significance in the Bofang copper deposit, Hunan, China. Ore Geology Reviews, 95. 382-400 doi:10.1016/j.oregeorev.2018.03.006 | Journal (article/letter/editorial) | | their prospecting significance in the Bofang copper deposit, Hunan, China Shuting Cheng, Jianjin Cao, Yingkui...their prospecting significance in the Bofang copper deposit, Hunan, China, Ore Geology Reviews (2018),...their prospecting significance in the Bofang copper deposit, Hunan, China Shuting Chenga, b, Jianjin Cao...related to deep concealed ore bodies in the Bofang deposit through discussions on their classification and...geological information they provide about the Bofang copper deposit suggest that metals that are captured by geochemical |  | Ciurej, Agnieszka, Struska, Monika, Wolska, Anna, Szczerba, Marek, Olszak, Janusz (2022) Copper-Bearing Mineralisation in the Upper Devonian Limestones: A Case Study from the Historical Teresa Adit in the Świętokrzyskie Mountains, Poland. Minerals, 13 (1) 54 doi:10.3390/min13010054 | Journal (article/letter/editorial) | | minerals Article Copper-Bearing Mineralisation in the Upper Devonian Limestones: A Case Study from the...Struska, M.; Wolska, A.; Szczerba, M.; Olszak, J. Copper-Bearing Mineralisation in the Upper Devonian Limestones:...ciurej@up.krakow.pl Abstract: The studied copper ore deposit is located in Miedzianka Mountain (Świ˛etokrzyskie...(Świ˛etokrzyskie Mountains, central Poland). This deposit was exploited from the 13th century to the 1950s;...partially transformed by mining works. Samples of copper- and rock-forming minerals in limestones collected |  | | Journal (article/letter/editorial) | | Geology, v. 106, pp. 307–316 COPPER ISOTOPE CHARACTERISTICS OF COPPER-RICH MINERALS FROM BESSHI-TYPE...Abstract The copper isotope ratios of chalcopyrite, secondary malachite, and native copper of metamorphosed...reequilibration may have reduced the original range of copper isotopes, premetamorphic δ65Cu characteristics...generally preserved. The chalcopyrite samples of one deposit might be significantly affected by dissolution...native copper (δ65Cu = 1.43−1.71‰) have higher δ65Cu values than chalcopyrite from the same deposit. This |  | | Journal (article/letter/editorial) | | 70 (2006) 4215–4228 www.elsevier.com/locate/gca Copper isotopes as monitors of redox processes in hydrothermal...Abstract The stable copper isotope composition of 79 samples of primary and secondary copper minerals from...emplectite, as well as supergene native copper, malachite, azurite, cuprite, tenorite, olivenite, pseudomalachite...Fresh primary Cu(I) ores have at most localities copper isotope ratios (d65Cu values) of 0 ± 0.5& despite...down to 2.92&. Secondary Cu(I) minerals such as cuprite have high d65Cu values between 0.4 and 1.65&, whereas |  | Brugger, J., Ogierman, J., Pring, A., Waldron, H., Kolitsch, U. (2006) Origin of the secondary REE-minerals at the Paratoo copper deposit near Yunta, South Australia. Mineralogical Magazine, 70 (6) 609-627 doi:10.1180/0026461067060361 | Journal (article/letter/editorial) | | of the secondary REE-minerals at the Paratoo copper deposit near Yunta, South Australia J. BRUGGER1,2,*...A-1090 Wien, Austria ABSTR ACT The Paratoo copper deposit, located in the Neoproterozoic to Cambrian...between 1888 and 1967 from oxidized ores. The deposit is located in the core of a breached, doubly plunging...magnetite, pyrite, chalcopyrite, copper sulphide and native copper associated with extensive potassic...likely scenario for the genesis of the Paratoo deposit involves circulation of basinal fluids, focusing |  | | Journal (issue) | | Milpillas mine, opened in 2006, is an unde,ground copper mine in Sonora, Mexico operated by Industrias Petioles...enriched Porphyry Copper Deposit, which proved to contain multiple bonanzas of world-class copper minerals, especially...INTRODUCTION The Milpillas mine is an underground copper mine in Sonora, Mexico operated by the Mexican...discovered, deeply oxidized and enriched Porphyry Copper Deposit (the term is traditionally capitalized in geological...crystallized examples of other copper minerals, including several rare copper vanadate and arsenate species |  | Jena, Silpa, Tripathy, Sunil, Mandre, N., Venugopal, R., Farrokhpay, Saeed (2022) Sustainable Use of Copper Resources: Beneficiation of Low-Grade Copper Ores. Minerals, 12 (5) 545 doi:10.3390/min12050545 | Journal (article/letter/editorial) | | Review Sustainable Use of Copper Resources: Beneficiation of Low-Grade Copper Ores Silpa Sweta Jena 1 ...com Abstract: The global market has announced copper as a modern energy metal and finds its extensive...etc. Copper ore is primarily beneficiated from sulphide mineral deposits. Due to high-grade copper sulphide...sulphide deposit exhaustion, the focus has now shifted towards recovery from different lean-grade oxide...The present paper summarizes the utilization of copper as a clean energy mineral and its importance in |  | | Journal (article/letter/editorial) | | com/locate/gca A synthetic fluid inclusion study of copper solubility in hydrothermal brines from 525 to 725...were buffered by the mineral assemblage native copper + cuprite + talc + quartz. In situ fluid composition...behaviour of Cu in magmatic-hydrothermal systems. Copper concentrations up to 15 wt% were measured at 630...increasingly important and may predominate over copper(I)-chloride complexes. The roles of fluid mixing...reserved. 1. Introduction The majority of economic copper deposits are hydrothermal in origin and often display |  | | Journal (article/letter/editorial) | | Studies of Sulfide Copper Mineralization in the Dochileh Area: An Example of Manto-Type Deposit in the Sabzevar...Shahrood, Iran Abstract The Dochileh stratiform copper deposit in the Sabzevar Zone of northeastern Iran is...amounts of bornite, chalcopyrite, native copper, malachite, and cuprite minerals, which occur as hydrothermal...data confirmed the mineralization containing high copper values in the two depth levels: the vein-type mineralization...sedimentary rocks and δ18O-poor meteoric water. Copper and sulfide-rich hydrothermal fluid have flowed upward |  | | Journal (issue) | | Black Forest, including the Krunkelbachtal uranium deposit near Menzenschwand, and for numerous studies and... all uranium minerals from the Krunkelbachtal deposit. In fact, because of his authorship or co-authorship...a suite now known to include chalcocite, native copper and wire silver, as well as some of the world’s...Жезқазған; pronounced “Jez-kahzgahn”) means “Copper Kettle” or “Copper Diggings” in Kazakh, an appropriate name...name for one of the world’s great stratiform copper deposits. It is located in the cool, semi-arid heart |  | | Journal (article/letter/editorial) | | (Australia) 2 Universitet i Trondheim, N-7034 Trondheim (Norway) 3Research School o f Earth Sciences, Australian...d e r to explain t h e g e n e r a t i o n o f copper-rich fluids and the precipitation of Devonian ...Institute of Technology, University of Trondheim, Norway. His main research interests are stratabound base-metal...Canada and Norway, University of Osto, United Nations Development Fund, Cyprus and Zambian copper mine (NCCM...earth's crust and processes involved in mineral deposit formation. 175 Geology, 76(2) 1981 (e.g. Corbett |  | | Journal (article/letter/editorial) | | source of one of the strangest pseudomorphs: native copper after aragonite, described originally by Domeyko...(188 I). In this article we describe not only the copper after aragonite but also other types of pseudomorphs...eastern Andes of Bolivia. Pseudomorphs of native copper, cuprite, chalcocite, and malachite-after-aragonite...Corocoro, the site of the most important Bolivian copper deposit, with a long history reaching back to pre-Columbian...native copper was the main ore mineral, with minor chalcocite occuring in some parts. The copper lies in |  | Mathieu, Jordan, Turner, Elizabeth C., Kontak, Daniel J., Fayek, Mostafa, Mathur, Ryan (2018) Atypical Cu mineralisation in the Cornwallis carbonate-hosted Zn district: Storm copper deposit, Arctic Canada. Ore Geology Reviews, 99. 86-115 doi:10.1016/j.oregeorev.2018.06.009 | Journal (article/letter/editorial) | | Cornwallis carbonate-hosted Zn district: Storm copper deposit, Arctic Canada Jordan Mathieu, Elizabeth C...Cornwallis carbonate-hosted Zn district: Storm copper deposit, Arctic Canada, Ore Geology Reviews (2018)...Cornwallis carbonate-hosted Zn district: Storm copper deposit, Arctic Canada Jordan Mathieua,*, Elizabeth...and numerous base-metal showings, including Storm copper. Storm is unusual because it is near the southern...indicates reduced fluids. These data suggest that Storm copper mineralisation is related to basementequilibrated |  | Braxton, D. P., Cooke, D. R., Ignacio, A. M., Rye, R. O., Waters, P. J. (2009) Ultra-Deep Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their Implications for Geologic, Physiographic, and Tectonic Controls. Economic Geology, 104 (3) 333-349 doi:10.2113/gsecongeo.104.3.333 | Journal (article/letter/editorial) | | Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits...2600 Abstract The Boyongan and Bayugo porphyry copper-gold deposits are part of an emerging belt of intrusion-centered...from shallower supergene copper oxide minerals (malachite + azurite + cuprite) to deeper sulfide-stable...hypogene pyrite/copper sulfide ratios (0.6) at Boyongan promoted in situ oxidation of copper sulfides with...only modest (<200 m) supergene remobilization of copper. In contrast, higher hypogene pyrite/chalcopyrite |  | | Journal (article/letter/editorial) | | ARIZONA COPPER Featured at the 1997 Tucson Show Downloaded by [California Institute of Technology] at...of Arizona Tucson, Arizona 85721 A rizona and copper are intricately linked in history. Production from...pounds of the red metal. This enormous amount of copper, which, if placed on a regulation football field...Jerome, and Bisbee were, and are, among the largest copper camps in the world. At the end of the nineteenth...electricity,” and the copper of Arizona was essential to the new industrialization. Copper was squarely at |  | Sikka, Desh B., Petruk, William, Nehru, Cherukupalli E., Zhang, Zheru (1991) Geochemistry of secondary copper minerals from Proterozoic porphyry copper deposit, Malanjkhand, India. Ore Geology Reviews, 6 (2) 257-290 doi:10.1016/0169-1368(91)90026-4 | Journal (article/letter/editorial) | | Geochemistry of secondary copper minerals from Proterozoic porphyry copper deposit, Malanjkhand, India Desh...Geochemistry of secondary copper minerals from Proterozoic porphyry copper deposit, Malanjkhand, India. In:...been recognized at the Proterozoic porphyry copper deposit, Malanjkhand, India. They are: (1) primary...and other secondary copper sulfides; and (3) intensely oxidized ore containing copper sulphates, carbonates...carbonates, chlorides, oxides and native copper. The Malanjkhand chalcopyrite alters, by continued oxidation |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Epigenetic hydrothermal origin of native copper and supergene enrichment in the Vista Alegre district...(2011) Epigenetic hydrothermal origin of native copper and supergene enrichment in the Vista Alegre district...1163–1179 Epigenetic hydrothermal origin of native copper and supergene enrichment in the Vista Alegre district...Alegre, Brazil (Accepted 2 November 2009) Native copper is widespread in the Lower Cretaceous Paraná basaltic...content of the basalts resulted in ore of native copper, Cu oxides, abundant chrysocolla in the top of |  | | Journal (article/letter/editorial) | | JUNE-JULY, OXIDATION AND OF ENRICHMENT COPPER DEPOSIT, No. 1949 IN THE SAN ARIZONA. 4 MANUEL.................................. 256 The ore deposit ........................................................................................ Native copper ................................................................. 273 Geologichistory of the deposit.......................................... Cornpar{son...in development of presentconditions within the deposit. The oxidationandenrichment tookplaceduringan erosioncyclethat |  | | Book | | certain metallic seams, in particular, tin, gold, copper, etc. —Deformations of the Earth’s crust take the...compounds: oxides, carbonates, sulphates, etc., of copper, lead, uranium, etc. Unlike the organic compounds...fluorite, etc.) and derived forms: octahedrons (cuprite), rhombododecahedrons, or solids with twelve rhomboid...(pyrite), and sometimes pyramidal cubes (native copper). —Tetragonal: a straight prism, with a square...Wulfenite 88 Copper Native Copper . . 88 Chalcopyrite . . . 90 90 Tetrahedrite . . . 92 Cuprite 94 Cumengeite |  | | Journal (article/letter/editorial) | | Petrologyand Genesisof a Strata-BoundDisseminated Copper Deposit at Sustut,British Columbia D. H. C. WILTON...mainly chalcocite,bornitc, chalcopyrite,and native copper, are epigeneticand occurwith quartz, epidote,prehnite...pyrite-chalcopyrite-bornite-chalcocite-native copper. The tabular copper zonesand local setsof veinletsappearto...well abovethe tree line Developmental work on the deposit ceased in and consistslargely of barren outcrop...rocks in the area of the deposit comextendssouthfrom the cirque.Accessto the deposit prisethe Lower PermianAsitkaGroup |
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