 | Cabral, Alexandre Raphael, Koglin, Nikola, Brätz, Helene (2012) Iridium enrichment and poor fractionation from gold, platinum and palladium in clausthalite (PbSe), Tilkerode, eastern Harz, Germany. Mineralogy and Petrology, 105 (3) 113-119 doi:10.1007/s00710-012-0203-0 | Journal (article/letter/editorial) | | vein-type deposits, is the selenide analogue of galena and is the most abundant A.R. Cabral et al. selenide...Erlangen, with a UP193FX New Wave Research Laser and an Agilent 7500i ICPMS, tuned for maximum sensitivity... The laser ablation of clausthalite is marked by an abrupt increase in signal for Au and PGEs. The signals...clausthalite was used as internal standard. Such an internal standard was necessary because reference...ratios of >102, e.g., Piestrzyński et al. 2002). Such an extreme fractionation of Pd and Pt from Ir is also |  | Bauer, Matthias E., Burisch, Mathias, Ostendorf, Jörg, Krause, Joachim, Frenzel, Max, Seifert, Thomas, Gutzmer, Jens (2019) Trace element geochemistry of sphalerite in contrasting hydrothermal fluid systems of the Freiberg district, Germany: insights from LA-ICP-MS analysis, near-infrared light microthermometry of sphalerite-hosted fluid inclusions, and sulfur isotope geochemistry. Mineralium Deposita, 54 (2) 237-262 doi:10.1007/s00126-018-0850-0 | Journal (article/letter/editorial) | | contrasting hydrothermal fluid systems of the Freiberg district, Germany: insights from LA-ICP-MS analysis, near-infrared...Nature 2018 Abstract The historic silver mining district of Freiberg (Germany) comprises hydrothermal vein-style...Freiberg, Germany Introduction The silver mining district of Freiberg is well-known for its mining history...polymetallic vein-type mineralization in the Freiberg district has made to the development of mineralogy and...discovered in base metal ores of the Freiberg mining district in the nineteenth century. Sphalerite is the major |  | Lüders, Volker, Romer, Rolf L., Gilg, H. Albert, Bodnar, Robert J., Pettke, Thomas, Misantoni, Dean (2009) A geochemical study of the Sweet Home Mine, Colorado Mineral Belt, USA: hydrothermal fluid evolution above a hypothesized granite cupola. Mineralium Deposita, 44 (4) 415-434 doi:10.1007/s00126-008-0221-3 | Journal (article/letter/editorial) | | by mostly negative δ34S values for sphalerite, galena, chalcopyrite, and tetrahedrite, highly variable...contents in fluorite. The Pb isotopic composition of galena as well as the highly variable 87Sr/86Sr ratios...typically occurring in vein structures in the Alma district (Fig. 1) as well as minor quartz–molybdenite mineralization...The formation of Mo-bearing veins in the Alma district is assumed to have occurred concurrently with...large granitic batholith beneath the Alma mining district (Bookstrom et al. 1987; Bookstrom 1989) that is |  | Lecumberri-Sanchez, Pilar, Romer, Rolf L., Lüders, Volker, Bodnar, Robert J. (2014) Genetic relationship between silver–lead–zinc mineralization in the Wutong deposit, Guangxi Province and Mesozoic granitic magmatism in the Nanling belt, southeast China. Mineralium Deposita, 49 (3) 353-369 doi:10.1007/s00126-013-0494-z | Journal (article/letter/editorial) | | younger towards the east (Fig. 1) possibly reflecting an increase in the angle of subduction of the Pacific...consists of early purple fluorite–rhodochrosite–galena–sphalerite with the late addition of chalcopyrite–barite–...a USGS gas-flow freezing/heating stage mounted on an Olympus BX50 microscope (Table 1). Synthetic fluid...using a Jobin–Yvon Raman spectrometer attached to an Olympus optical microscope with 50× and 80× long-working-distance...long-working-distance objectives. The laser source used was an air-cooled 514 nm argon laser set at 100 mW at the |  | Járóka, Tom, Seifert, Thomas, Pfänder, Jörg A., Staude, Sebastian, Seibel, Henning V.L., Krause, Joachim, Bauer, Matthias E. (2019) Geology, sulfide mineralogy and petrogenesis of the Angstberg Ni-Cu-(PGE) sulfide mineralization (Lausitz Block, Bohemian Massif, Germany): A potential Ni-Cu exploration target in Central Europe?. Ore Geology Reviews, 110. 102924 doi:10.1016/j.oregeorev.2019.05.010 | Journal (article/letter/editorial) | | 1016/j.oregeorev.2019.05.010 This is a PDF file of an unedited manuscript that has been accepted for publication...Lausitz Block. The 23 Angstberg intrusion represents an exposed sub-vertical, dike-like body (320 x 60 m...suggested Devonian age of the intrusion is confirmed by an 40Ar-39Ar biotite age of 373.9 ± 0.9 Ma 31 for...originate from sulfide melts that were entrained in an olivine-rich crystal mush during magma rise to upper...(Fig. 1b). Over 20,000 t of sulfide ore containing an average of 2– 72 4 wt.% Ni, 1–2 wt.% Cu, and 0 |  | | Journal (article/letter/editorial) | | oïl g (in Chicago, Illinois): Der Einfluß τοη Manganrerbindungen bei der oberflächlichen Umwandlung und...und sekundären Anreicherung der Goldlagerstätten (Trans. American Institute Mining Engineers, 41, 768—837)...löst. Allein die manganhaltigen Lösungen sind in der Kälte wirksam, denn eine 0 , 1 ^ Chlorid enthaltende...natürliche Lösung kann dann Gold lösen und es fortführen an Stellen, wo keine Oxydation eintreten kann. Metallsalze...Goldlagerstätten der Vereinigten Staaten stehen mit den oben erwähnten Tatsachen der sekundären Anreicherung |  | | Book | | Pottery and a “Cookbook” from Ka–sha–n (including an essay on the cobalt mine at Qamsar by Thomas Stöllner)...Donkey-Beads from Qom, Iran – Observations Concerning an Almost Forgotten Crafts-Technique. 544 53 Roya...(Vatandoust-Haghighi 1977; Pigott 1989). As a result of an archaeological and metallurgical project undertaken...Caldwell 1967; 1968). This investigation was followed by an international reconnaissance expedition made in 1968...of the development of metallurgy in Iran including an extensive and very useful bibliography by P. R. S |
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