 | | Journal (article/letter/editorial) | | minerals .......................... Problem of the Chalcocite ...................................... Microstructures....... The South-Central African Metallogenetic Province .............. Summary and Conclusions.........."The Geology and Development of the Roan Antelope Mine," by D.C. Sharpstone, privately printed, London...Tanganyika. A new railroad will shortlybe completedfrom Lobito Bay on the West Coast. PhysicalFeaturesof the...Sharpstone, Chief Geologist of the Roan Antelope Mine. 0 Gray, Anton, op. cit., p. x2. ORES OF NORTHERN |  | Zhao, X.-F., Zhou, M.-F., Hitzman, M. W., Li, J.-W., Bennett, M., Meighan, C., Anderson, E. (2012) Late Paleoproterozoic to Early Mesoproterozoic Tangdan Sedimentary Rock-Hosted Strata-bound Copper Deposit, Yunnan Province, Southwest China. Economic Geology, 107 (2) 357-375 doi:10.2113/econgeo.107.2.357 | Journal (article/letter/editorial) | | Rock-Hosted Strata-bound Copper Deposit, Yunnan Province, Southwest China XIN-FU ZHAO,1 MEI-FU ZHOU,1,†...dominated by chalcopyrite with lesser bornite and chalcocite. Hypogene chalcopyrite and bornite from the Tangdan...Sulfide mineral separates (bornite, chalcopyrite, chalcocite) were analyzed for sulfur isotope compositions...SEDIMENTARY ROCK-HOSTED STRATA-BOUND Cu DEPOSIT, YUNNAN PROVINCE, CHINA 3000 elemental analyzer, yielding sulfur...amalgamated Huili 102 E Fig.4 ve r Sichuan Province ha Ri 746 10 Ma [Zhao and Zhou,2007] 26 N |  | | Journal (article/letter/editorial) | | dominant structural unit is the Rhodesia-Katanga-Angola (R K.A ) or Lufilian arc of folds, which extends...extends for 500 miles through the copper province. Dominant in the Rhodesian section is the Kafue anticline...the sequence downward and along the strike is chalcocite, bornite, chalcopyrite and pyrite. The zoning...thus establishing the westward zonal pattern: chalcocite, bornite, chalcopyrite and pyrite. Repeated transgression...the larger Northern Rhodesia-Katanga-Angola base-metal province, of which the bedded copper ores form |  | Liu, Jiajun, Liu, Yuping, Li, Chaoyang, Zhang, Qian, Li, Zhiming, He, Mingqin, Liu, Shirong, Shao, Shuxun (2002) Characteristics and conditions of formation of an excellent fossil wood cell texture from the vein copper deposits in Lanping-Simao basin, SW China. Ore Geology Reviews, 20 (1) 55-63 doi:10.1016/s0169-1368(02)00038-0 | Journal (article/letter/editorial) | | texture include pyrite, chalcopyrite, bornite and chalcocite. Studies on the samples and examination of their...example the Colorado Plateau (Gross, 1956), the Maybe Mine of * Corresponding author. E-mail address: jiajunl@public...northern part of Italy (Ramdohr, 1980), the No. 20 Mine in Ramoc, AZ, USA (Ramdohr, 1980), the Wuyiyi in...Picot and Johan, 1980, 1982; Min et al., 2001), chalcocite, digenite and native copper (Shuai, 1985, 1988)...textures of pyrite, chalcopyrite, bornite, and chalcocite are recognized, for instance zonary structure |  | | Journal (article/letter/editorial) | | composed of bornite and chalcopyrite with minor chalcocite and digenite, associated with gangue minerals...sulfides, such as pyrite, bornite, chalcopyrite and chalcocite, may provide precise age determination for SSC...making this region the third or fourth largest SSC province in the world (Zhao et al., 2012). The SSC deposits...and bornite, which may locally be replaced by chalcocite and digenite. In both types of ore, pyrite occurs...is locally replaced by late chalcopyrite and chalcocite (Fig. 5a, b). Chalcopyrite is intimately intergrown |  | Imai, H., Lee, Min Sung, Iida, K., Fujiki, Y., Takenouchi, S. (1975) Geologic structure and mineralization of the xenothermal vein-type deposits in Japan. Economic Geology, 70 (4) 647-676 doi:10.2113/gsecongeo.70.4.647 | Journal (article/letter/editorial) | | ikuno, and Tada mines in westernJapan and the Ashio mine in easternJapan belongto the class. The fissurescontainingvein...granitic magma. The vein materials at the Akenobe mine are as follows: Ore minerals: cassiterite, wolframite...stannoidite(hexastannite),mawsonite,tennantite, primary chalcocite,roquesite,native silver, argentite, polybasite...the Ikuno, Tada, and Ash.io mines. At the Ikuno mine, the distribution of the vein materials shows a...At the Akenobe mine similar zoning is recognized. It is inferred that at the Akenobe mine the mineralizing |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado...tennantite from the north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado...in turn, may be replaced by bornite, galena, chalcocite, covellite, and pyrite (Uytenbogaardt and Burke...the Longfellow mine, Red Mountain district, San Juan County (fig. 1). The Longfellow mine was discovered...until 1966 when the mine was allowed to flood. Enargite crystals from the Longfellow mine have been found |  | Gu, Lianxing, Khin Zaw, , Hu, Wenxuan, Zhang, Kaijun, Ni, Pei, He, Jinxiang, Xu, Yaotong, Lu, Jianjun, Lin, Chunming (2007) Distinctive features of Late Palaeozoic massive sulphide deposits in South China. Ore Geology Reviews, 31 (1) 107-138 doi:10.1016/j.oregeorev.2005.01.002 | Journal (article/letter/editorial) | | massive sulphide deposits in South China County, province Longitude/ latitude Metallic commodity Tonnage...Pyrite, pyrrhotite chalcopyrite, sphalerite, chalcocite, pyrite, gold Xu and Zhou (2001), Huang et al...Pyrite, colloidal pyrite, chalcopyrite, bornite, chalcocite, hematite, ferberite, hübnerite Psilomelane,...glaucodote, danaite, cobaltite, chalcopyrite, chalcocite Pyrite, pyrrhotite, chalcopyrite, sphalerite...Permian limestone 112 Table 1 (continued) County, province Longitude/ latitude Metallic commodity Tonnage |  | | Journal (article/letter/editorial) | | safe and economic operation of a deep underground mine. In 2011, Miedzi Copper Corporation initiated its...safe and efficient to operate a deep underground mine. The innovative exploration strategy of Miedzi Copper...that a full potential of the FSM metallogenic province can be assessed via understanding of its geological...covellite, digenite and chalcocite (Oszczepalski, 1999; Borg et al., 2012). Chalcocite is a major Cu-bearing...copper-bearing shale, and lower Zechstein Limestone. Chalcocite, digenite, covellite, bornite and chalcopyrite |  | Zhang, Yongbei, Sun, Shihua, Xu, Chengyan, Wang, Hao, Zhao, Chongsun, Zhu, Zhihua (2003) Carbonatitic Volcanic Genesis of Hetaoqing Fe-Cu Deposit in Central Yunnan, China. Resource Geology, 53 (4) 261-272 doi:10.1111/j.1751-3928.2003.tb00175.x | Journal (article/letter/editorial) | | skinnerite, and secondary minerals limonite, chalcocite, azurite, malachite and tenorite. Gangue minerals...trachy-andesite and basalt with carbonBureau of Yunnan Province, 1991). atite. Most of the carbonatitic volcanic...0.9–12.7 m of thickness. Wuding county, Yunnan province. The confirmed reserve 264 Y. B. ZHANG, S....Geological Team, Geology and Resources Bureau of Yunnan Province, 1991). All of them occur in the southeast wing...Host rocks of the Fe and Cu ores in the Hetaoqing mine are dominated by a series of carbonatitic rocks |  | | Journal (article/letter/editorial) | | to Yemen, in the south (Fig. 1). The Zalm gold mine is the most prominent geologic landmark in the area...investigation of the ancient gold workings at the Zalm mine. Also, Jackson et al. (1963) studied the area as...studied geology and gold mineralization at the Zalm mine during 4 exploration in the area (Figs. 1 and...Eberlé (1999) carried out exploration of the Zalm mine and the surrounding area. Agar (1985, 1988) recognized...reported on the nanoscale, namely anilite and chalcocite that display distinct rim replacement texture |  | | Journal (article/letter/editorial) | | rock formation. The mineralization comprises chalcocite, bornite, chalcopyrite, native copper, covellite...consist of chalcocite, bornite, chalcopyrite, native copper, covellite, pyrite and hematite; chalcocite, native...the 12th ore bed (level number 125) in Jiuquwan mine: 1 - gray medium sandstone, basal psephyte; 2 -...2 - hematite; 3 - light-coloured sandstone; 4 chalcocite; 5 - bornite; 6 - chalcopyrite; 7 - pyrite Table...3 1675-7 qurmy hematite and chalcocite (native copper) - chalcocite and bornite - bornite and chalcopyrite |  | Huang, Yi, Sun, Xiaoming, Shi, Guiyong, Sa, Rina, Guan, Yao, Jiang, Xiaodong, Que, Honghua (2015) Re–Os dating of sulphides from the Yushui Cu-polymetallic deposit in eastern Guangdong Province, South China. Ore Geology Reviews, 70. 281-289 doi:10.1016/j.oregeorev.2015.04.018 | Journal (article/letter/editorial) | | Yushui Cu-polymetallic deposit in eastern Guangdong Province, South China Yi Huang a, Xiaoming Sun a,b,c,⁎...depression. It was discovered in eastern Guangdong Province in the late 1980s and is one of the richest copper...textures dominated by chalcopyrite, bornite, chalcocite, pyrite, sphalerite, galena, and a trace amount...the late 1980s, is located in eastern Guangdong Province, approximately 15 km away from Meixian County...Yongan, Fujian Province, at its north end and extends southward to Huizhou, Guangdong Province, with the length |  | | Journal (issue) | | COVER: CHALCOCITE, colored blue by a microthin coating of bomite, 5.7 cm, from the Flam beau mine, Ladysmith...Weardale fluorite miniature for $140, a beautiful 79 mine aurichalcite (2.75 inches) for $140, a Zambian libethenite...Tredwell to carefully document the localities by mine and sometimes by level. It also afforded him superior...uppermost level of the San Carlos mine, while the large, lustrous Rayas mine acanthites (with nearly zero...zero selenium) are from the deepest levels of that mine. Polybasite, pearceite, stephanite, pyrargyrite and |  | | Journal (article/letter/editorial) | | degree of metal are also Fe-poor facies where chalcocite and/or digenite form enrichment in carbonaceous...different facies suggests the primary origin of those chalcocite mind the correlation between metals and organic...evaporites and into the red beds were Cl-rich. chalcocite framboids were described earlier from White Pine...percent of the whole rock; S~tiow~cz, 1984). The mine was removed from the copper-bearing shales. boron...University) for the discussion and correction of the English text. is separated from the Werra anhydrite by |  | | Journal (issue) | | crystals to 5 mm, with uranophane, from the Shinkolobwe mine, Shaba (formerly Katanga), Zaire. Sorbonne collection...which can also suffer in reproduction.) Where English translations are available we naturally give priority...selection of recent (and very difficult to find) English translations of ancient and medieval works on min...oblongo. W O O D W A R D (John). A Catalogue o f the english native fos sils. L ondon 1728, in-8°. 263 The...the so-called South Equatorial polymetallic ore province straddles Zaire and Zambia. It is a gigantic accumulation |  | | Journal (issue) | | the best vesuvianite specimens from the Jeffrey mine in Quebec. In this issue we present a review of...Herodsfoot Mine Work Readers who enjoyed Roy Starkey's superb article on the famous Herodsfoot mine in Cornwall...to the old engine house at the North Herodsfoot mine is being cleared of hundreds of tons of accumulated...restore the magnificent old ruins of the Herodsfoot mine (it does look like a Jot of fun, though!). At the...was originally the Count House for the Herodsfoot mine. Visits by mineral collectors (by appointment) are |  | Szopa, Krzysztof, Krzykawski, Tomasz, Banasik, Kamila, Król, Piotr, Skreczko, Sylwia, Mounteanou, Stefania Andriopoulou, Koziarska, Marta (2021) EMPA, XRD, and Raman Characterization of Ag-Bearing Djurleite from the Lubin Mine, Lower Silesia, Poland. Minerals, 11 (5) 454 doi:10.3390/min11050454 | Journal (article/letter/editorial) | | Characterization of Ag-Bearing Djurleite from the Lubin Mine, Lower Silesia, Poland Krzysztof Szopa 1, * , Tomasz...https://doi.org/10.3390/min11050454 Abstract: The chalcocite group minerals are widely distributed among different...from supersaturated volcanic gases. Some of the chalcocite group minerals form the main Cu orebodies. Djurleite...Djurleite (Cu31 S16 ) is a rare member of the chalcocite group, with a very complex structure. The physical...Ag-rich djurleite may often be mistaken for Ag-rich chalcocite, which used to be one of the main Ag-bearing |  | | Journal (article/letter/editorial) | | at what was called Wood's copper mine and also at Smith's copper mine about a mile to the northwest. Much...one little mine I obtained a few specimens of pyrite xls. The small xl enclosed is from a mine about 4 miles...following item, dated Aug. 28, 1954. "In the Brooklyn Mine, San Juan Co., Colo., I found a strikingly beautiful...new gypsum mine near Shoals, Martin Co., Ind. The clipping reads as follows: SHOALS GYPSUM MINE WILL BE...SHOALS, Ind. (Spl.) — The U. S. Gypsum Company's mine in Martin County will be the second deepest of its |  | | Journal (article/letter/editorial) | | Yunnan Province, SW China, is located in the southern part of the Emeishan large igneous province. Here...characterized by a pyrite + chalcopyrite + bornite + chalcocite + quartz + calcite assemblage that is developed...mineralization 1. Introduction The Emeishan large igneous province (ELIP) is located on the western margin of the...1b and Table 1). The Permian basalts in Yunnan Province generally have higher copper contents than those...Lijiang deposit, are typical in western Yunnan Province (Chen et al., 2015a) (Fig. 1b and Table 1), while |  | Zhang, Ju-Quan, Li, Sheng-Rong, Santosh, M., Li, Qing, Niu, Si-Da, Lu, Jing, Yan, Li-Na (2019) The Diaoquan Ag-Cu polymetallic skarn mineralization in central North China Craton: Timing, source and genetic model. Ore Geology Reviews, 104. 745-764 doi:10.1016/j.oregeorev.2018.12.005 | Journal (article/letter/editorial) | | 136 Huaiandong Road, Shijiazhuang 050031, Hebei Province, China. b School of Earth Sciences and Resources...The ore minerals include chalcopyrite, bornite, chalcocite, argentite, hessite, native silver, gold, küstelite...ore minerals including chalcopyrite, bornite, chalcocite, argentite, hessite, stromeyerite and wittichenite...products of the early mineralization stage in the mine. The Mo mineralization was apparently later than...wittichenite, chalcopyrite, galena, sphalerite, bornite, chalcocite, stromeyerite, hessite, argentite and molybdenite |  | | Journal (issue) | | Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, “Famous mineral localities: the Old Yuma mine,” in vol....period of activity, access to the mine was cut off in 1984. In 1996 the mine area was absorbed into the Saguaro...and Mining Company for the sum of $558,000. The mine is now owned outright by the Federal Government |  | Liu, Yuan, Li, Sheng-Rong, Santosh, M., Xu, Hong, Li, Chang-Ping, Liu, Shunhao (2019) Ore-forming physicochemical conditions of tellurium-gold deposits: A case study from the Guilaizhuang deposit, eastern North China. Geological Journal, 54 (4) 2400-2418 doi:10.1002/gj.3303 | Journal (article/letter/editorial) | | a major tellurium–gold deposit in the Shandong Province of China, and is located in the eastern margin...arsenopyrite, chalcopy- 4 rite, galena, sphalerite, chalcocite, and argentite. Tellurides contain native tellurium...of 1–2 μm, with some up to 20 μm. Results of chalcocite, chalcopyrite, and argentite (Figure 8). LIU...Utsunomiya, Kesler, & Ewing, sphalerite, porphyrite, chalcocite, chalcopyrite, and argentite. The 2002; Cook...upper limit of the sulfur fugacity is defined by chalcocite number of sulfide minerals (pyrite, As‐bearing |  | | Report (issue) | | History 2.1.3 Geology and Structure 2.1.4 Gamle Mine 2.1.5 Skakketjern- Syvrtibulaearea 2.1.6 Amalie...structure 2.3.4 Mineralization and alteration 2.4 Bø MINE TARGET 2.4.1 Location 2.1.2 History 2.1.3 Geology...Fjelestad 2.5.2 Bognevann iron mine 2.5.3 Gunnars-vatn 2.5.4 Haverstøl Mine 2.5.5 Byglandsfiord - firaksbe...2.5.9 Rysstad 2.5.10 Kaldvassdalen 2.5.11 Mosnap Mine valley 9 10 Pletals eiploratton ss 13 13 ...RESULTSFROM Bo MINE TABLE H: ADDIT1ONAL METALS ANALYZED FOR SELECTED SAMPLES AT Bø MINE. 25 26 TABLE |  | Kavalieris, Imants, Khashgerel, Bat-Erdene, Morgan, Leah E., Undrakhtamir, Alexander, Borohul, Adiya (2017) Characteristics and 40Ar/39Ar Geochronology of the Erdenet Cu-Mo Deposit, Mongolia. Economic Geology, 112 (5) 1033-1054 doi:10.5382/econgeo.2017.4500 | Journal (article/letter/editorial) | | Corporation, Friendship Square, Bayan-Undur soum, Orkhon province, 61027, Mongolia Abstract The Early to Middle...deposit (removed by mining), comprised a bornite-chalcocite enriched zone up to 300 m thick with an average...5 wt % Cu locally. Based on hypogene bornite-chalcocite mineral textures and high-sulfidation state mineralogy...refer to it as Erdenet. The Erdenet open-pit Cu-Mo mine, located in northern † Corresponding author: e-mail...120,000 t of copper and 1 600 t of molybdenum. The mine employs about 6,000 people and is an important contributor |
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