 | | Journal (article/letter/editorial) | | pohwatp@si.edu Conichalcite Tsumeb Mine, Tsumeb Otjikoto Region, Namibia A n article appeared in a...the adelite-descloizite group. It is a calcium copper arsenate, CaCu2+(AsO4) 552 ROCKS & MINERALS (OH)...secondary mineral found in the oxidized zone of copper deposits. The more common associated minerals include...chenevixite, libethenite, brochantite, malachite, azurite, and jarosite (Palache, Berman, and Frondel 1951)...malachite, 10.5 cm across, from the Tsumeb mine, Tsumeb, Otjikoto region, Namibia. Fine spherules of conichalcite |  | | Journal (article/letter/editorial) | | former Cu-As mine: water–rock interaction, REE systematics and stability of secondary copper minerals Susanne...Schwarzwald, Germany. Flowing and dripping waters from three sites in the abandoned mine were sampled...sample types collected from different depths in the mine have different flow paths and are influenced to...exploited from the former mine. The sample site in the upper part of the mine (“HGS water”) is about 30...contrast, the water collected in the lower part of the mine (about 100 m below surface) is dripping constantly |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians Universität, Department für Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Journal (article/letter/editorial) | | Tübingen, Wilhelmstrasse 56, 72074 Tübingen, Germany Received 4 March 2013; accepted in revised form...bismutite, malachite and azurite samples from the Schwarzwald mining district, SW Germany, was analyzed in order...21.0& VPDB, cerussite, bismutite, malachite and azurite d18O values show a variation from +11.2& to +17...sources. We show that the PAFFs of malachite, azurite and bismutite have the same temperature dependence...water in equilibrium with cerussite, malachite and azurite overlap with the range that can be expected for |  | | Report (issue) | | months” in the Big Bear orebody in the Fletcher mine, Viburnum Trend, Reynolds County, Missouri; these...serious galena specimens from this famous leadmining region. 1 =========================================...twin, 6 cm, from the Big Bear orebody, Fletcher mine, Viburnum Trend, Reynolds County, Missouri. Weinrich...Galena, 4 cm, from the Big Bear orebody, Fletcher mine, Viburnum Trend, Reynolds County, Missouri. Weinrich...attractive specimens has been given as the Ortega mine in the Mundo-Tamboras district, Sanchez Carrion |  | Keim, Maximilian F., Staude, Sebastian, Marquardt, Katharina, Bachmann, Kai, Opitz, Joachim, Markl, Gregor (2018) Weathering of Bi-bearing tennantite. Chemical Geology, 499. 1-25 doi:10.1016/j.chemgeo.2018.07.032 | Journal (article/letter/editorial) | | Tübingen, Germany 2 Bayerisches Geoinstitut, University of Bayreuth, 95440 Bayreuth, Germany Helmholtz-Institut...Stuttgart, Azenbergstraße 18, 70174 Stuttgart, Germany *corresponding author: Sebastian Staude MA mail:...E D phone: +49 (0)7071-29-73080 AC 4 SC Germany 1 ACCEPTED MANUSCRIPT Abstract The tennantite-tetrahedrite...spatially CE independent of the precursor fahlore. Copper and As originate from older weathering assemblages...near-surface AC environments of oxidation zones or on mine dumps, where elements are highly mobile and a high |  | Svorová Pawełkowicz, Sylwia, Wagner, Barbara, Kotowski, Jakub, Żukowska, Grażyna Zofia, Gołębiowska, Bożena, Siuda, Rafał, Jokubauskas, Petras (2021) Antimony and Nickel Impurities in Blue and Green Copper Pigments. Minerals, 11 (11) 1236 doi:10.3390/min11111236 | Journal (article/letter/editorial) | | Antimony and Nickel Impurities in Blue and Green Copper Pigments Sylwia Svorová Pawełkowicz 1,2, * , Barbara...Antimony and Nickel Impurities in Blue and Green Copper Pigments. Minerals 2021, 11, 1236. https://doi...Impurities in paint layers executed with green and blue copper pigments, although relatively common, have been...analyses of copper pigments layers from wall paintings situated in the vicinity of copper ore deposits...Poland. We compare the results with the analyses of copper minerals from three deposits, two local, and one |  | Serafimovski, Todor, Tasev, Goran, Strmić Palinkaš, Sabina, Palinkaš, Ladislav A., Gjorgjiev, Lazar (2016) Porphyry Cu mineralizations related with the small Tertiary volcanic intrusions in the Bučim ore deposit, Eastern Macedonia. Geologia Croatica, 69 (1) 101-119 doi:10.4154/gc.2016.09 | Journal (article/letter/editorial) | | chalcocite, covellite, tenorite, native Cu, malachite, azurite etc. Added minerals such as calaverite, krennerite...and uneconomic ore mineralization. Although the mine at Bučim has been known since ancient times, it...which led to about 800 m of uplift of the Bučim region in the Borov Dol area, which in turn is uplifted...Bučim area in contrast to the Borov Dol–Damjan region (Figs. 1, 2, 3). Seve ral andesite/trachyandesite...1979. The annual exploitation capability of the mine is 4 Mt of ore. At present, ore with 0.21 % Cu, |  | | Journal (article/letter/editorial) | | produce a somewhat complete listing o f crystallized azurite localities. How ever, as work progressed it became...county or state division, district, city or village, mine, specific level). O c ALGERIA Gouraya AUSTRALIA...Hill Proprietary mine Block 14 mine Robinson Candobolin (2 mi. NE of) Molong, Gunible mine NMNH N M N H...Mungana, Girofla mine South Mt. Isa district, Boomerang mine Mt. Isa, Mt. Isa mine, Black Rock open cut...Burra, Burra copper mine Flinders Range Spring Creek mine Wirrabarra (2 km NW of), Charlton mine 24 ROCKS |  | | Journal (article/letter/editorial) | | Willstaett-Eckartsweier Germany info@wendel-minerals.com Clara Mine The Figure 1. Dumps of the Clara mine where collecting...a small fee. Near Wolfach in the Black Forest Germany From the Myth of the “Golden Calf ” to Modern Mining...to be told even now (List 1969). Today, the Clara mine uses the latest technology and is one of the most...the best quality. Location and History The Clara mine lies in the upper Rankach Valley, about 5 kilometers...central Black Forest in southwestern Germany, in the province of Baden-Wurttemberg. It might be easier to |  | | Report (issue) | | from the old Kelly mine in New Mexico. Associations of aurichalcite, kipushite, azurite and hemimorphite...specimens of green copper-rich smithsonite have come from a recent find in Sounion mine #6 (also known as...as the Exi mine, “Exi” being Greek for “six”) in the ancient Laurium mining district of Attika, Greece...$130). Cu-rich smithsonite, 2.7 cm, from Sounion mine #6, Laurium district, Attika, Greece. Greek Rocks...=============== The same discovery in Sounion mine #6 has also produced larger specimens which show |  | | Book | | Netherlands. Back cover The museum ldar-Oberstein. West-Germany. is quaintly situated beneath the Felsenkirche...Copyright 1986 by . Ulrich Burchard, Lalling, West-Germany All rights reserved including the right of reproduction...Printed in Germany Miscellaneous: Design & Lay Out by Rainer Bode, Haltern, West-Germany Type set by...Wurzburg, West-Germany Colour separations by Litho Thungen GmbH, Thungen, West-Germany H. Bari, Musee...Printed by Sellier Druck GmbH, Freising, West-Germany 6 Gasull, Museo de Geologia, Barcelona 249; V |  | | Journal (issue) | | 5-+ Cu 11 Fe 3S 10 -+ 2Cu 5 FeS• + CuFeS 2 • Ida-Mine, SWAfrika. (Vergr. 250 X). Aufnahme: P. RAMDOHR...Endes eine Verdrängungs-Pseudomorphose vor. Temagami-Mine, Ontario. (Vergr. 250 X . Schliff nach einer Oktaederfläche...G. Hentschel/Wiesbaden : . . . . . . es gibt im Kreis der Hochschulen eine Reihe sehr skeptischer Kollegen...: 6. Koblenzer Mineralien- und Fossilienbörse, Rhein-Mosel-Halle . 02.: 10-17 Uhr. Leitung : Reinhard...Neuen nicht allein gelassen und fühlen, daß sie im Kreis der Fortgeschrittenen durchaus für voll genommen |  | | Journal (article/letter/editorial) | | 70 (2006) 4215–4228 www.elsevier.com/locate/gca Copper isotopes as monitors of redox processes in hydrothermal...Tübingen, Germany Institut für Mineralogie, Senckenberganlage, D-60054 Frankfurt, Germany b Received...Abstract The stable copper isotope composition of 79 samples of primary and secondary copper minerals from...veins in the Schwarzwald mining district, South Germany, shows a wide variation in d65Cu ranging from 2...emplectite, as well as supergene native copper, malachite, azurite, cuprite, tenorite, olivenite, pseudomalachite |  | | Journal (issue) | | cover Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection;...considering the historic importance of copper mining in Arizona, native copper would be the logical choice for... And in fact, a group of fourth graders at the Copper Creek Elementary School in Oro Valley, spearheaded...difference between native copper and copper ore composed of many different copper-containing minerals (e...(e.g., chalcopyrite, azurite, malachite, chrysocolla, linarite, etc.). Consequently it was deemed more |  | | Journal (article/letter/editorial) | | 9(2) Å3, Z = 2, is a new mineral from the Capitana mine, Copiapó, Atacama Province, Chile and has been identified...numerous other deposits world-wide. At the Capitana mine, it occurs as transparent, colorless, tapering hexagonal...secondary mineral in the oxidized zone of the Capitana mine, a Cu-Pb-Ag deposit, where it closely associated...array of unusual minerals. In 2004 at the Capitana mine near Copiapó, one of the authors (R.A.J.) collected...the dumps of the southern workings of the Capitana mine. Three samples were found on different parts of |  | | Book (edition) | | Compounds, Carbides, Nitrides, Phosphides and Silicides Copper I/A.01-10 4 Silver I/A.01-20 6 Gold I/A.01-40 8...Sulphosalts II/A - Alloys and Alloy-like Compounds, with Copper, Silver, Gold and Nickel Algodonite II/A.01-10... Selenium and Tellurium < 1:1, Tellurides with Copper, Silver and Gold Linnaeite II/D.01-20 320 Polydymite...Sb,Bi = x), Sulfosalts with Predominant Iron and Copper x = 2.0 Berthierite II/E.01-10 458 Wittichenite...Waterfree Carbonates with Unfamiliar Anions V/C.01-10 Azurite V/C.01-20 Malachite V/C.06-30 Defernite 774 776 |  | | Journal (article/letter/editorial) | | Universitesi] at 11:52 22 December 2014 Kilometer 3 Mine, Laurium District, Greece E rythrite, an attractive...green encrustations on chloanthite at the old cobalt mine dumps below Great Hill near the East Hampton–Portland...occurs with nickel arsenides in the Mohawk No. 2 mine, Keweenaw County, Michigan. Annabergite has been...Rosita–Silver Cliff district, Custer County; the Gem mine at Gem Park, Fremont County; Elk Park, San Juan...forms nodular masses 2 cm across at the Snowbird mine, Mineral County, and occurs in the Dillon or Wolf |  | | Journal (article/letter/editorial) | | 2012 Olivenite TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA H ydrothermal copper deposits are dominated...dominated in their primary mineralogy by copper-bearing sulfide minerals such as chalcopyrite. When these deposits...2005), the sulfides become unstable and oxidize. Copper released from this reaction can form a plethora...“supergene” minerals, ranging from simple native copper and copper oxides to complex secondary minerals such...specimen of olivenite from the worldfamous Tsumeb mine in Namibia, where attempts at specimen mining have |  | | Journal (issue) | | Acanthite with silver, 2.6 cm, from the Uchucchacua mine, Peru; Allan Young collection and photo. Amethyst...collecting has flourished throughout the Northwest region in recent decades; a history of the mineral discoveries...the estate. Many early minerals collected in the region about Spokane, Washington, are represented in the...Alaska, ca. 1906. She organized her own company to mine the garnets, and may have distributed thousands...that men would be hired as laborers to work the mine and help develop it, but that no men would be involved |  | Staude, Sebastian, Werner, Wolfgang, Mordhorst, Teresa, Wemmer, Klaus, Jacob, Dorrit E., Markl, Gregor (2012) Multi-stage Ag–Bi–Co–Ni–U and Cu–Bi vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid evolution. Mineralium Deposita, 47 (3) 251-276 doi:10.1007/s00126-011-0365-4 | Journal (article/letter/editorial) | | vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid...Co–Ag–Bi–U mining area (Schwarzwald ore district, SW Germany) hosts several unconformity-related vein-type mineralizations...Universität Tübingen, Wilhelmstrasse 56, 72074 Tübingen, Germany e-mail: markl@uni-tuebingen.de W. Werner Regierungspräsidium...Bergbau (LGRB), Albertstr. 5, 79104 Freiburg i. Br., Germany U–Bi, Bi–Ag, Ni–As–Bi and Co–As–Bi. Important...Göttingen, Goldschmidtstr. 1-3, 37077 Göttingen, Germany Keywords Bi–Co–Ni–Ag–U vein mineralization . Schwarzwald |  | | Journal (issue) | | Moore Tpmoore1@cox.net The Guatomo (“Hat Yai”) mine near Tham Thalu, Bannang Sata District, Yala Province.............731 . by M. P. Sacchi The Santa Rosa mine, Inyo County, California .........................crystal, 1.6 cm wide, from the Tsumeb mine, Tsumeb, Otjikoto Region, Namibia. Unique Minerals specimen;...Berezovsk district). Figure 26. The gold mining region around Berezovsk, including the names of all of...in the area of the No. 1 shaft at the Pyšminskij mine near Berezovsk. Figure 29. Workings along veins |  | | Book (volume) | | phisches Institut der Universität Heidelberg (Germany), my research training with professors like P....center, zoned bravoite crystal. Rub.sn, Maubach, Germany (osp). b Aggregate of subtly zoned pyrite (with...interstitial quartz (black) and minor copper sulfides (colored). Rub606, Geevor Mine, Cornwall, UK (dsp). c Dissemination...of safflorite (white). CR328, Freiberg, Saxony, Germany (osp). d Hypidiomorphic inclusion of tetrahedrite...rombohedral gratonite sections. HD 8, Wiesloch, Baden-Württemberg, Germany (d + p). c Pyritization of Rotliegendes |  | | Book | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...times, and there is evidence of at least one flint mine dating from this period. Finely worked and polished...production clearly ranked with that of food supplies. Copper and gold were the first known metals. Gold occurs...metal tools were made of copper, occasionally found native, but pure copper is also too soft. Only by...pure metal. In order to obtain copper in sufficient quantities copper ores had to be found and smelted |  | | Book | | photos of minerals— listed generally either as a region or a corresponds to the group of minerals dis-...dendrites, moss, branching trees, wire, knitting (copper); wart-like, mammillary (red hematite); 7 parallel...powder acts like malachite, red cinnabar, blue azurite or yellow phosphor. Most minerals exhibit thin...right: orpiment, pyrite, cinnabar. hematite, azurite, malachite. no streak is detectable, the mineral’s...fingernail: rubbing fingernail: scratching possible copper com: scratching possible knife: scratching easily |
|
