 | Le Bras, Loic Y., Bolhar, Robert, Bybee, Grant M., Nex, Paul A. M., Guy, Bradley M., Moyana, Thabitha, Lourens, Paulien (2021) Platinum-group and trace elements in Cu-sulfides from the Loolekop pipe, Phalaborwa: implications for ore-forming processes. Mineralium Deposita, 56 (1). 161-177 doi:10.1007/s00126-020-01005-4 | Journal (article/letter/editorial) | | exsolution and local traces of chalcocite and covellite related to fluid alteration, whereas the second...cubanite, Cct = chalcocite, Ccp = chalcopyrite, Cv = covellite, Bn = bornite, Mag = magnetite, Py = pyrite, V...Strong alteration of bornite and replacement by covellite at the rims. c Phoscorite. Bornite with chalcopyrite...of this primary phase. Chalcocite, as well as covellite, occur in very small amounts and can be locally...bornite at the borders of the grains (Fig. 2b) Covellite -Replacement of bornite at the border of the grains |  | | Journal (article/letter/editorial) | | CHUQUICAMATA COPPER DEPOSIT tem, as defined by Sylvester (1988). Wollard (1973) infers that extensional...limited to the east in the southern portion of the mine by N-S-trending gouge-bearing faults. This alteration...were chosen because they represent an area of the mine in which multiple generations of vein formation...and quartz + sulfides (pyrite ± chalcocite ± covellite) with and without quartz-sericite halos and sulfide-bearing...series of latestformed vuggy quartz + pyrite ± covellite and/or chalcocite veinlets is observed to maintain |  | Brown, Julie L, Dyer, Sabastien C, Mungall, James E, Christy, Andrew G, Ellis, David J (2020) High-pressure Cu–Fe–S Phase Equilibria: some Experimental and Thermodynamic Constraints on Sulfides in Subduction Zones and the Lithospheric Mantle. Journal of Petrology, 61 (4) doi:10.1093/petrology/egaa043 | Journal (article/letter/editorial) | | eclogites. In particular, the coexistence of pyrite þ covellite at 10 GPa, and pyrite þ bornite at 19 GPa, observed...permissions@oup.com V 1 2 1. prograde pyrite þ covellite inclusions were trapped within lawsonite in lawsonite...lawsonite blueschist at 10 GPa; 2. covellite was not seen in inclusions trapped at pressures and temperatures...instance, the observed coexistence of pyrite þ covellite within inclusions that were trapped in lawsonite...described fully by Brown et al. (2014). Prograde covellite inclusions were found within the lawsonite and |  | | Journal (article/letter/editorial) | | an in a recent letter he writes: "Bastnaand old mine tunnel located west of Tucson. There were also calcite...much of the barite with cal- tain Pass, Calif. The mine is about 3 miles cite and galena." David P. Record...Mart, 4400 Mission Road, road leads to the mine. The mine consists of one shaft. Some bastnasite has...crystals. It is an attractive speciassaying. This mine will be a potential men. source of cerium metal...was announced in the March-April, 1950, manganese mine near Glen wood, Pike ROCKS AND MINERALS, p. 123 |  | | Catalog/List | | "'· f·,,or.-i ti.s cd: send a 1 ist of th,;'! mine"i",;• L, that price for ~ach piece There is no... C191 AJOITE fairly (New Cornelia well covered~ Mine,Ajo,Pima greenish (Belstone light County blue...A) Cl92 ANDRADITE location. brown crystals on Mine near Okehampton Cl93 ARSENOPYRITE Arsenopyrite...location pieces, about a third covered (Bedford Consols Mine near Tavistock, Devon) B) for micros lx 1/2 ins...brassy masses matrix. (Ramsley Mine Devon) lxl fl good covering (Ramsley Mine lx2 f3 C201 COLUMBITE pure |  | Tornos, Fernando, Velasco, Francisco, Slack, John F., Delgado, Antonio, Gomez-Miguelez, Nieves, Escobar, Juan Manuel, Gomez, Carmelo (2017) The high-grade Las Cruces copper deposit, Spain: a product of secondary enrichment in an evolving basin. Mineralium Deposita, 52 (1) 1-34 doi:10.1007/s00126-016-0650-3 | Journal (article/letter/editorial) | | orebody and ca. 0.8 Mt at 8 % Cu in a separate covellite-rich orebody called HC4. In addition, the Las...only the secondary ore, the mine has a projected life until 2022. The mine will produce ca. 1 Mt of copper...Scheiber et al. (2015). HCH and HCL refer, following mine terminology, to cementation zones developed on the... stockwork zone dominated by chalcocite and covellite (Almodovar et al. 1997). The cementation zone...approximate depth of 1500 m was attained. At the mine site, the basement is located at a depth of ca. |  | | Catalog/List | | welcome to select the personal ly and sec rny l2.i.:est onE:-off p!.,~C:'2::3. Just give me makr. surE: J...ARSENIOSIDERITE orange brown crusts on Hidalgoite (Gold Hill Mine Tooele County Utah USA) lxl f2.5O lx2 f5.OO 2x2...purple-brown crystalline masses (Colebrook Hill Mine,Roseberry, Tasmania) lxl fl.5O lx2 f3 2x2 f6.OO...BOKITE black to dark brown masses (Monumnt No 2 Mine Apache County 1/2 x 1/2 f3.5O lxl f5 C266 DEFERNITE...C269 CHABAZITE good covering location. (Ramsley Mine lxl fl.5O lx2 f3 of glassy micros Devon) 2x2 f6 |  | Cote-Mantha, O., Daigneault, R., Gaboury, D., Chartrand, F., Pilote, P. (2012) Geology, Alteration, and Origin of Archean Au-Ag-Cu Mineralization Associated with the Synvolcanic Chibougamau Pluton: The Brosman Prospect, Abitibi Greenstone Belt, Canada. Economic Geology, 107 (5) 909-934 doi:10.2113/econgeo.107.5.909 | Journal (article/letter/editorial) | | – Exploration Division, C.P. 87, 765, ch. de la mine Goldex, Val-d’Or, Québec, Canada J9P 4N9. **Present...replaced by pyrite and marcasite. Chalcocite and covellite replace chalcopyrite, forming rims up to 20 mm...segments of the veins, fine aureoles and needles of covellite up to 150 mm in size are found along magnetite-chalcopyrite...minerals as inclusions Gangue Marcasite Chalcocite + Covellite Stage I Stage II Diss. Py Au-rich Py vn. Remobilization...Chalcopyrite Accessory minerals as inclusions Gangue Covellite Stage I Synvolcanic structuring (megabreccia |  | | Journal (article/letter/editorial) | | National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire...there are examples of chalcopyrite, cuprite, covellite, pyrite, bournonite, and sphalerite after tetrahedrite...tetrahedrite and pyrite specimen from the Anchor mine, Park City, Utah. The specimen was in the stock...examples at the present time are from the Sweet Home mine, near Alma, Park County, Colorado, where it occurs...with enargite and fluorite come from the Longfellow mine, Red Mountain district, San Juan County (D. Bunk |  | Caillet Komorowski, Catherine, El Goresy, Ahmed, Miyahara, Masaaki, Boudouma, Omar, Ma, Chi (2012) Discovery of Hg–Cu-bearing metal-sulfide assemblages in a primitive H-3 chondrite: Towards a new insight in early solar system processes. Earth and Planetary Science Letters, 349. 261-271 doi:10.1016/j.epsl.2012.06.039 | Journal (article/letter/editorial) | | UMR CNRS 7202, CP 52,61 rue Buffon, 75005 Paris, France Bayerishes Geoinstitut, Universität Bayreuth,...Sendai 980-8578, Japan d UPMC–ISTEP, 75005 Paris, France e Division of Geological and Planetary Sciences...determined k-factors (Fe3S (Fei et al., 2000) and covellite) for Fe, Cu and S and a theoretical k-factor for...case that the Cu-sulfide is indeed CuS (covellite). The covellite includes many HgS grains with a dimension...could not measure the individual compositions of covellite and cinnabar grains even by STEM–EDS, due to the |  | | Journal (issue) | | writer took advantage of collecting at the numerous mine dumps in the vicinity of Champion. It is hoped that...Michi1a11 The Beacon Mine, operated by the North Range Mining Company, is the only active mine in the Champion...numerous aumps and ruins in th e vicinity of the Beacon Mine, however, attest to the former activity in the area...of Champion, Michigan (Figure 1. ) ~ The Beacon Mine and its accompanying dumps are located in an area...platy appearance. HEMATITE-The ore from the Beacon Mine consists entirely of specular hematite, and averages |  | | Journal (article/letter/editorial) | | favoured the emplacement of magmatic bodies (Sylvester and Palacios, 1992). The Early Cenozoic magmatic...Reutter and Scheuber, 1988; Reutter et al., 1991; Sylvester and Palacios, 1992). Some work suggests that the...antithetic ( e a s t - west striking) Riedel shears (Sylvester and Palacios, 1992). Geochronological K - A r...(actually in operation) and Potrerillos (abandoned mine) ore bodies. Fig. 4. Geological sketch map of the...the West Fissure System. Based on Sylvester and Palacios (1992) and own observations. Key: 1 = Middle |  | | Journal (article/letter/editorial) | | Tel.: +49-0331-288-28843 Academic Editor: Paul Sylvester Received: 26 January 2017; Accepted: 26 April...occurrence. 2. Regional Geology The abandoned El Dragón mine (entrance and dump) is located at ~19◦ 490 23.90”...m above sea level, about 5 km east of the Porco mine, which is currently Bolivia’s most productive zinc...the presumed time of mineralization. The El Dragón mine is located left of the Rio Jaya Mayu, cutting through...and a siltstone some 100 m away from the El Dragón mine is mineralogically and microstructurally quasi-identical |  | | Book (edition) | | is cross-cut by a crack filled with secondary covellite (blue). Optically Similar Minerals of comparable...increasing oxidation potential: bornitechalcocite/covellite-tenorite and/or malachite plus azurite; native...orange to brown Vonsenite strong, orange shades Covellite strong, yellowish brown to bluish violet grey... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., |  | Hovakimyan, Samvel, Moritz, Robert, Tayan, Rodrik, Melkonyan, Rafael, Harutyunyan, Marianna (2019) Cenozoic Strike-Slip Tectonics and Structural Controls of Porphyry Cu-Mo and Epithermal Deposits During Geodynamic Evolution of the Southernmost Lesser Caucasus, Tethyan Metallogenic Belt. Economic Geology, 114 (7) 1301-1337 doi:10.5382/econgeo.4662 | Journal (article/letter/editorial) | | structures dipping (1978); Tayan (1998); galena, covellite, subsidiary argillic alteration, 65° to 70°...to the northwest; Tayan et al. (2007); covellite, enargite; gangue: carbonate, albite, associated...vein zones; Harutchyan (1984); chalcopyrite, covellite, bornite, propylite, pyrite, associated...WNWKaramyan (1962, 1978); bornite, chalcocite, covellite, argillic alteration, oriented fractures...parallel- Movsesyan and Isaenko subsidiary covellite, enargite, argillic alteration, to subparallel-oriented |  | | Journal (article/letter/editorial) | | reconstructions using GEMCOM data provided by the mine staff at Chelopech. These data allow us to unravel...Cross-sections perpendicular to F1 and located a on Chelopech mine and b on Charlodere occurrence, c perpendicular...mineral assemblage includes enargite, luzonite, covellite, goldfieldite, chalcopyrite, tennantite, bornite...pyrite, chalcopyrite, and barite veins. The Chelopech Mine produces approximately 700,000 t/year of ore and...located about 1 km to the northeast of the Chelopech mine (Fig. 2a) and is considered as an exhumed part of |  | | Journal (article/letter/editorial) | | pyrite enargite enargite pyrite quartz 0.5 cm covellite FIG. 1. High-sulfidation epithermal veins at...subordinate chalcopyrite, bornite, digenite, and covellite, as well as various Au-, Au-Ag, Bi-, and Au-Bi...Tennantite-Goldfieldite Chalcopyrite Bornite Digenite Covellite native Te Sphalerite Barite time FIG. 2. Paragenetic...pyrite-2, hosting small prismatic inclusions of covellite. No trace elements are present in concentrations...well as to the presence of microinclusions of covellite identified also as larger grains. All other trace |  | Harrison, Rachel L., Maryono, Adi, Norris, Malcolm S., Rohrlach, Bruce D., Cooke, David R., Thompson, Jay M., Creaser, Robert A., Thiede, David S. (2018) Geochronology of the Tumpangpitu Porphyry Au-Cu-Mo and High-Sulfidation Epithermal Au-Ag-Cu Deposit: Evidence for Pre- and Postmineralization Diatremes in the Tujuh Bukit District, Southeast Java, Indonesia. Economic Geology, 113 (1) 163-192 doi:10.5382/econgeo.2018.4547 | Journal (article/letter/editorial) | | Tumpangpitu Sample ID/depth (m) Coordinates/RL (m) Mine unit Alteration Mineralization Sedimentary and...Quartz-prophyllite-kaolinite Pyrite-chalcopyrite-covellite GTD-09-112/446 E173877 N9046141/214...Phase 2 medium-grained strongly altered diorite; covellite intergrown with kaolinite replaced early...(Cont.) Sample ID/depth (m) Coordinates/RL (m) Mine unit Alteration Mineralization Phase 5; fine-grained...E174155 N9046097/267 FT Quartz-pyrophyllite-alunite Covellite-bornite-chalcocite-tetrahedrite tennantite-enargite |  | | Journal (issue) | | Briscoe produced a display themed on a single mine. Cambokeels Mine (sometimes known also as Cammock Eals),...sparkling pyrite crusts. A couple of photographs of the mine provided an interesting backdrop. Simon Harrison...exceptional pieces from Rotherhope Fell Mine, Boltsburn Mine and Heights Mine. The Rotherhope Fell material included...from Boltsburn Mine and a large elongated yellow fluorite cube on barite from Hilton Mine, which was a...featured a large group of clear fluorite from Heights Mine next to a bed of deep green cubes from the same |  | | Journal (article/letter/editorial) | | Badovc underground mines and the Kizhnica open-pit mine. The oldest rocks in the area belong to the Paleozoic-Triassic...also sphalerite, Bi sulfosalts, TGM, marcasite, covellite, calcite, and baryte (Figure 4e–i). The mineralized... tetrahedrite group minerals, marcasite, and covellite clasts from pyrite-galena-quartz breccia; (i)...and galena–sphalerite aggregates with secondary covellite from pyrite-galenaquartz breccia. Abbreviations:...calcite; Ccp = chalcopyrite; Cos = cosalite; Cov = covellite; Gn = galena; Hem = hematite; Mrc = marcasite; |  | | Report (issue) | | .................................... Whim Creek mine ...................................................................................... Mons Cupri mine ...................................................... Evelyn copper mine ............................... Yannery Hill copper mine ....................................................... Breens copper mine ............................................................................. Copper Hills copper mine ............................................... |  | | Journal (article/letter/editorial) | | (tetrahedrite, bornite, colusite, Ag-bearing gold, covellite) and sulfide minerals enriched in the epithermal...New Brunswick, McClenaghan et al. 2006, 2009; Ming Mine, New- foundland, Brueckner et al. 2014). In particular...——— ——— ——— Marcasite Pyrrhotite Arsenopyrite Covellite FeS2 Fe1–xS FeAsS CuS x x x x x x x x x x...chalcopyrite stringers, with lesser stromeyerite, covellite, unidentified Cu-Ag phases, and trace Ni-S phases...chalcopyrite grain boundaries (Fig. 6D), and bright blue covellite overprints bornite, stromeyerite, and chalcopyrite |  | Dekov, Vesselin M., Rouxel, Olivier, Kouzmanov, Kalin, Bindi, Luca, Asael, Dan, Fouquet, Yves, Etoubleau, Joël, Burgaud, Gaëtan, Wälle, Markus (2016) Enargite-luzonite hydrothermal vents in Manus Back-Arc Basin: submarine analogues of high-sulfidation epithermal mineralization. Chemical Geology, 438. 36-57 doi:10.1016/j.chemgeo.2016.05.021 | Journal (article/letter/editorial) | | of Marine Geosciences, IFREMER, 29280 Plouzané, France b Marine Chemistry and Geochemistry Department...ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France h Institute of Geochemistry and Petrology, ETH...proportions, and minor native sulfur, marcasite, covellite, barite, tetrahedrite-tennantite and pyrite (Table...phases: the external layer additionally contains covellite, tetrahedrite-tennantite, pyrite and barite. The...by crystalline luzonite (Fig. 3 F). Lamellar covellite forms in the interstities of euhedral luzonite |  | Li, Huan, Myint, Aung Zaw, Yonezu, Kotaro, Watanabe, Koichiro, Algeo, Thomas J., Wu, Jing-Hua (2018) Geochemistry and U–Pb geochronology of the Wagone and Hermyingyi A-type granites, southern Myanmar: Implications for tectonic setting, magma evolution and Sn–W mineralization. Ore Geology Reviews, 95. 575-592 doi:10.1016/j.oregeorev.2018.03.015 | Journal (article/letter/editorial) | | et al., 2013, 2014; Fig. 3 2c, d). The Wagone mine produced over 200 tons of Sn + W (cassiterite and...for the E–W-striking vein system of the Kanbauk mine in the Dawei Sn–W district (Bender, 1983). Sn–W...chlorite (Fig. 4c). In the vicinity of the Wagone mine, fine- to medium-grained muscovite granite occurs...primary deposit in the district is the Hermyingyi mine, where Sn–W sulfide veins are hosted by biotite...chalcopyrite, molybdenite, galena, bismuthinite, covellite, enargite, colusite, pyrrhotite, and boulangerite |  | Kojima, S., Hanamuro, T., Hayashi, K., Haruna, M., Ohmoto, H. (1998) Sulphide minerals in early Archean chemical sedimentary rocks of the eastern Pilbara district, Western Australia. Mineralogy and Petrology, 64 (1) 219-235 doi:10.1007/bf01226570 | Journal (article/letter/editorial) | | Gn galena, Td tetrahedrite, Ml millerite, Cv covellite, Mt magnetite, Hm hematite, Lm limonite (epigenetic)...detectable amounts of As nor Fe. In the Towers cherts covellite occurs as a supergene product replacing chalcopyrite...Earth Planet Sci Lett 4 3 : 7 4 - 8 4 Barley ME, Sylvester GC, Groves DI (1984) Archaean calc-alkaline volcanism...tuffaceous exhalites (Tetsusekiei) of the Fukazawa mine, Hokuroku district, Japan. Econ Geol Mon 5, pp 412-432 |
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