 | Staude, S., Mordhorst, T., Nau, S., Pfaff, K., Brugmann, G., Jacob, D. E., Markl, G. (2012) Hydrothermal carbonates of the Schwarzwald ore district, southwestern Germany: Carbon source and conditions of formation using δ18O, δ13C, 87Sr/86Sr, and fluid inclusions. The Canadian Mineralogist, 50 (5) 1401-1434 doi:10.3749/canmin.50.5.1401 | Journal (article/letter/editorial) | | OF THE SCHWARZWALD ORE DISTRICT, SOUTHWESTERN GERMANY: CARBON SOURCE AND CONDITIONS OF FORMATION USING...Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany Katharina PFAFF* Institut für Geowissenschaften...Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany Gerhard BRÜGMANN and Dorrit E. JACOB Institut...Universität, JJ Becher-Weg 21, D-55099 Mainz, Germany Gregor MARKL§ Institut für Geowissenschaften,...Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany Abstract Diagenetic carbonates, metamorphic carbonates |  | Walter, Benjamin F., Gerdes, Axel, Kleinhanns, Ilka C., Dunkl, István, von Eynatten, Hilmar, Kreissl, Stefan, Markl, Gregor (2018) The connection between hydrothermal fluids, mineralization, tectonics and magmatism in a continental rift setting: Fluorite Sm-Nd and hematite and carbonates U-Pb geochronology from the Rhinegraben in SW Germany. Geochimica et Cosmochimica Acta, 240. 11-42 doi:10.1016/j.gca.2018.08.012 | Journal (article/letter/editorial) | | U-Pb geochronology from the Rhinegraben in SW Germany Benjamin F. Walter, Axel Gerdes, Ilka C. Kleinhanns...U-Pb geochronology from the Rhinegraben in SW Germany, Geochimica et Cosmochimica Acta (2018), doi: https://doi...U-Pb geochronology from the Rhinegraben in SW Germany. Benjamin F. Walter*1, Axel Gerdes2, Ilka C. Kleinhanns1...Geoscience, Wilhelmstraße 56, 72074 Tübingen, Germany 2 Goethe University Frankfurt, Insitute of Geosciences...Altenhoeferallee 1, D-60438 Frankfurt am Main, Germany 3 University of Göttingen, Geoscience Center, |  | | Journal (article/letter/editorial) | | Bergakademie Freiberg, Brennhausgasse 14, 09599 Freiberg, Germany BENJAMIN F. WALTER AND GREGOR MARKL Institut...Tübingen, Wilhelmstrasse 56, 72074 Tübingen, Germany ABSTRACT Late-stage pseudomorphous and perimorphous...the hydrothermal veins of the Schwarzwald, SW Germany: (1) the primary mineral is dissolved and replaced...Anna bei Fahl mine. (C) Pseudomorphous replacement of baryte by quartz (II). Anna bei Fahl mine. (D)...(44) hydrothermal veins in the Schwarzwald, SW Germany (Fig. 2), we present here a comprehensive study |  | | Journal (article/letter/editorial) | | presentprior to the introductionof the cobaltand silver mineralizationsthat accompanythe fahlbandsat these...fahlbands. The term was first used at the Isilver mines {n Southern Norway, where the commonlyoccurringstripes...crosscutting calcite veins, which carried workable silver only where they crossedsuch sulfiderich zonesor...zonesor fahlbaands. The etymologyof the prefix fahl is of someinterestas there are several possiblederivationsof...meantoriginallyit is necessary to consider the possiblerootsof fahl and fa/d. The word fa/l has severalmeaningsin German |  | | Journal (article/letter/editorial) | | IT.—NO. xxxi. 2 18 Sckeerer—Occurrence of Silver at Kongsberg. the pinnulas. In those genera again... completed his remarks X "on the Occurrence of Silver at Kongsberg.2 The district in which the Kongsberg...pyrites) and still retain their old names of Fall (or Fahl) bands. They are crossed by numerous small veins...Heavy spar, 1 Proceedings of the Mining Society of Freiburg, at a meeting held 3rd April, 1866. Extracted...angaaende Kongsberg Solwark." Scheerer— Occurrence of Silver at Kongsberg. 19 Fluor spar, and Quartz; in places |  | Lo, Li, Belt, Simon T., Lattaud, Julie, Friedrich, Tobias, Zeeden, Christian, Schouten, Stefan, Smik, Lukas, Timmermann, Axel, Cabedo-Sanz, Patricia, Huang, Jyh-Jaan, Zhou, Liping, Ou, Tsong-Hua, Chang, Yuan-Pin, Wang, Liang-Chi, Chou, Yu-Min, Shen, Chuan-Chou, Chen, Min-Te, Wei, Kuo-Yen, Song, Sheng-Rong, Fang, Tien-Hsi, Gorbarenko, Sergey A., Wang, Wei-Lung, Lee, Teh-Quei, Elderfield, Henry, Hodell, David A. (2018) Precession and atmospheric CO2 modulated variability of sea ice in the central Okhotsk Sea since 130,000 years ago. Earth and Planetary Science Letters, 488. 36-45 doi:10.1016/j.epsl.2018.02.005 | Journal (article/letter/editorial) | | (the so-called marginal ice zone) represents a region of significant open water (pelagic) productivity...ice derived ice rafted debris (IRD) in the same region (Sakamoto et al., 2005) with larger fluctuations...southwestern Okhotsk Sea. Also within the study region, freshwater input from the Amur River and polar...Data View (GMT) version 5 (Schlitzer, 2017). tral region of the Okhotsk Sea (Liu et al., 2006; Wang and...setting The Okhotsk Sea represents the southernmost region of contemporary seasonal sea ice formation in the |  | | Report (issue) | | Alaska within the Tanana-Kuskokwim Lowland. The region surrounding Lake Minchumina has a continental climate...and Johnson, 1984; Kodama, 1981; table 1). The region has warm summers and cold winters typical of a...Anderson (1970) reported that ground water in the region around Lake Minchumina is abundant and likely available...and continental (Hartman and Johnson, 1984). The region experiences cool summers and moderately cold winters...Glacial drift is the primary deposit within the region and obscures most bedrock (Magoon and others, 1976; |  | | Journal (article/letter/editorial) | | occurrences, such as those near Deming, New Mexico, and Silver Cliff, Colorado, it seems less appropriate for...been described as spherulites in 1 89 I from the Silver Cliff area in Custer County (Cross 1891) and from...however, was not documented until m c h later by Fahl(1948), who relates the “discovery” of the locality...to 3 feet in diameter (or as much as 300 pounds [Fahl 19481); most are reported to be 4-6 inches in diameter...2014 and Kile 1991) or 8-14 inches in diameter (Fahl 1948). By comparison, Oregon thunder eggs are reported |  | | Report (issue) | | during volcanic eruptions (Selkregg, 1976; Jones and Fahl, 1994). On October 22, 1981, rainfall runoff caused...15297610, Russell Creek near Cold Bay (Jones and Fahl, 1994). Flooding, however, was not reported in the...Resources/Engineering Experiment Station, 95 p. Jones, S.H., and Fahl, C.B., 1994, Magnitude and frequency of floods in...Selkregg, L., 1976, Alaska regional profiles Southwest region: Anchorage, University of Alaska, Arctic Environmental...11 j. ; (01075) SILVER, DISSOLVED (UG/L AS AG) rto rtvj; <1 <1 <1 (01077) SILVER, TOTAL RECOVERABLE |  | Proskurnin, V. F., Palyanova, G. A., Karmanov, N. S., Bagaeva, A. A., Gavrish, A. V., Petrushkov, B. S. (2011) The first discovery of uytenbogaardtite in Taimyr (Konechnoe ore occurrence) Doklady Earth Sciences, 441 (2) 1661-1665 doi:10.1134/s1028334x11120063 | Journal (article/letter/editorial) | | first find for the entire Taimyr–Severnaya Zemlya region. It is associated with native gold (fineness 520–560‰)...potential of the North Taimyr area in terms of gold, silver, zinc, copper, lead, cadmium, strontium, thorium...deposits and ore occurrences in which complex gold and silver sulfides, such as uyten bogaardtite (Ag3AuS2)...Paleozoic–Early Mesozoic Kara deuterogenic metallogenic region. The host rocks are gray terrigenous flyschoid...observed for 75 m with gold grades of 0.8 to 38 g/t, silver grades of up to 600 g/t, and con tents of As of |  | | Report (issue) | | ... ... .. . .. . . .. (5) The Folding of the Region in Late Silurian or Devonian Time ..... , (6) The...Farren Mining Co., N .L. (S) The Murchison River Silver and Lead Co" N.L ................................Other Section. ... ... ... (10) The South Murchison Silver and Lead Mining Co., N.L. ... ... ... ... (11)..... (12) The Thomas' Blocks Silver Mining Co., N.L. (13) The Tullah Silver and Lead Mining Co., N.L. ...which mark. the old level of the flood-plain. The region has been elevated since the establishment of this |  | | Journal (article/letter/editorial) | | some of the other minerals which occur in this region, are offered in the following notes : - 1. Native...oxidized and absorbed without leaving a trace of silver. The cupel stain, when cold, is of a clear yellow...district around Black Bay. In most localities of this region the galena is accompanied by copper pyrites, the...these lodes. I have assayed a good many samples for silver without finding any workable quantity of the latter...ton of reduced lead. This comparative absence of silver appears to be connected with the very general absence |  | | Report (issue) | | discharge record through 1990 (table 2) (Jones and Fahl, 1994). The frequency of floods from runoff of rain...the 1963-73 discharge record (table 2) (Jones and Fahl, 1994) Table 2. Estimated peak discharges of the..., and Weber, E.J., 1955, The Central Kuskokwim Region, Alaska U.S. Geological Survey Professional Paper...available from Federal Aviation Administration, Alaskan Region], variously paged. F & J Consultants, 1981, McGrath...AT., 1960, Geomorphology of the Upper Kuskokwim Region, Alaska: U.S, Geological Survey Bulletin 1071-G |  | | Journal (article/letter/editorial) | | locations of goldore deposits that are atypical for the region have been carried out in the North Caucasus in...and aplitelike granites. It is distinguished by a region of geochemical anomalies containing Au and other...arsenopyrite, then chalcopyrite, sphalerite, galena, and fahl ores were crystallized. Next come Bi, Au, and Ag...sulfide and telluride mineral associations is silver and gold–silver with Ag dominance. Native gold was deposited |  | Rahaman, Waliur, Smik, Lukas, Köseoğlu, Deniz, N, Lathika, Tarique, Mohd, Thamban, Meloth, Haywood, Alan, Belt, Simon T., Knies, J. (2020) Reduced Arctic sea ice extent during the mid-Pliocene Warm Period concurrent with increased Atlantic-climate regime. Earth and Planetary Science Letters, 550. 116535pp. doi:10.1016/j.epsl.2020.116535 | Journal (article/letter/editorial) | | Science Letters 550 (2020) 116535 ponents using silver-ion chromatography (Belt et al., 2015) with saturated...modern geological and tectonic setting of the study region have largely remained stable over the past ∼4.6...Nd signature near its origin in the inter-gyre region (north of 46◦ N) displays ε Nd values between −14...observations of an advanced “Atlantification” of the study region (Cabedo-Sanz and Belt, 2016; Naafs et al., 2010;...Program Sci. Results 151. Clotten, C., Stein, R., Fahl, K., De Schepper, S., 2018. Seasonal sea ice cover |  | | Book | | following chapter. 3. The oxides of tellurium, gold, silver, platinum, osmium, iridium, rhodium, and mercury...sulphur 94-176, Berz. P. L. Bareges, Moletz, Aries, Baden near Vienna, &c. ; likewise in Italy, from volcanic...Hartz Joachimsthal Bohemia with ores of arsenic, ; silver, ; ; &c. ROCK SALT (CHLORIDE OF SODIUM). ...quartz, iron, and copper pyrites, ores of lead and silver, &c., in metalliferous veins. BREUNNERITE. CARBONATE... formed from calcareous springs, in Italy and Germany. Hydrous or Blue Vesuvian Limestone. H.=3-0 C. |  | Hatira, N., Perthuisot, V., Rouvier, H. (1990) Les min�raux � Cu, Sb, Ag, Hg des minerais de Pb-Zn de Sakiet Koucha (diapir de Sakiet Sidi Youssef, Tunisie septentrionale) Mineralium Deposita, 25 (2) doi:10.1007/bf00208853 | Journal (article/letter/editorial) | | diapirs in the same district. It includes: pyrite, fahl ore group minerals, chalcopyrite, bournonite, sphalerite...sphalerite, galena and an Ag-Hg amalgam. The fahl ore group is highly variable in composition and grades...Cabri, L.J., Stewart, J.M.: Characteristics of the silver-antimony minerals. Can. Miner. 11: part. 1, p....Burke, E.A.J.: Schachnerite, paraschachnerite and silver amalgam from the Sala Mine, Sweden. Mineral. Mag |  | | Journal (article/letter/editorial) | | Gold–Platinum Metal Mineralization in the Upper Amur Region A. V. Mel’nikov and Academician of the RAS V. G...block of the Stanovoi Megablock in the upper Amur region revealed several unconventional formation types...indicates that “discordant” bodies of the upper Amur region are enriched in Pt. Ferruginous quartzites. In...metasomatites is noted for the first time in the upper Amur region. The ore occurrence area should be investigated...chalcopyrite, pentlandite, pyrite, malachite, and fahl- 909 Blagoveshchensk 50° II III 9 IV 129°Am |  | | Journal (article/letter/editorial) | | regel ved letingen etter nye sølvforekomster: "Uten fahl(bånd) og (kalkspat)gang intet sølv". Sølvet ble...district, Norway, and their relationship with the silver and base metal veins. Norsk Geologisk Tidsskrift...Kongsberg. Famous mineral localities: the Kongsberg Silver Mines, Norway. Mineralogical Record 17, 19-36....Naturvidenskabene 27, 309-322. NEUMANN, H. (1944): Silver deposits at Kongsberg. Norges Geologiske Undersøkelse...(1996): The ore mineralization at the Kongsberg Silver Mines, Norway. 10th Kongsberg Seminar 1996: "Fractures |  | | Journal (article/letter/editorial) | | of Silver from the Fahl-ores of Baranca, Mexico. ( C k e m . Cmtr. [31, 1878, 830-831) .-The fahl-ore...zincblende, galena, iron and copper pyrites, quartz, silver, and a trace of gold, was crushed and roasted with...residue the silver with n little lead was extracted by solution of sodium thiosulphate, and the silver precipitated...regulus containing nearly the whole of the copper, silver, and golcl present i n the original pyrites. Preliminary...excess of iron sulphide be always present, copper, silver, gold, nickel, and certain other metak are all |  | | Journal (article/letter/editorial) | | total only 102 tons of gold and the same amount of silver were mined. We suggest that the ques tions raised...: 1 to 1 : 5; Kubaka, Birkachan, etc.) and goldsilver (Au/Ag from 1 : 10 to 1 : 50; Yunoe, Ol’cha, etc...addition, the pre dominant development of copper–silver sulfides (in contrast to Ag–Sb or Ag–As sulfosalts...association and any magmatic formations developed in this region is still under dis DOKLADY EARTH SCIENCES Vol...100%) Native gold Chalcopyrite Pyrite Pb–Zn sulfides Fahl ore (Ag, wt %) Akantite Ag selenides Geochemical |  | | Journal (article/letter/editorial) | | Tbe object of this is fol' tbe purpose of tion of silver from the fixing batb witb an old oxalate de and...same journal advises saturating with carbonate of silver. At tbe ends of tbe balance diametrically opposite...side of the face plate. THE FINEST BROMIDE OF SILVER. ammonia water and neutralizing with bromine...Inflamed Mueou8 Surfaee8. out heat,say at 30° to 680 Fahl'.,the plates are more sensi Dr. George R. Sbepherd |  | | Journal (article/letter/editorial) | | Tbe object of this is fol' tbe purpose of tion of silver from the fixing batb witb an old oxalate de and...same journal advises saturating with carbonate of silver. At tbe ends of tbe balance diametrically opposite...side of the face plate. THE FINEST BROMIDE OF SILVER. ammonia water and neutralizing with bromine...Inflamed Mueou8 Surfaee8. out heat,say at 30° to 680 Fahl'.,the plates are more sensi Dr. George R. Sbepherd |  | IMAI, NAOYA, LEE, HYUN KOO, SAKAI, TETSUO, PARK, No YOUNG (1982) Bournonite from the Janggun mine, Republic of Korea - Contributions to the knowledge of ore-forming minerals in the janggun lead-zinc-silver ores. 1. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 77 (9) 310-321 doi:10.2465/ganko1941.77.310 | Journal (article/letter/editorial) | | of ore-forming minerals in the Janggun lead zinc-silver ores (l)* NAOYA IMAI, HYUN KOO LEE** and TETSUO...(6) be of empirical 3.90 mineral ead-zinc-silver At Pb white may anhedral . without wavelength...with and the bireflectance close lead-zinc-silver associated to have been formed at the latest...development has shown the new reserves of lead-zinc-silver ores as well as manganese carbonate ores, indicating...the Janggun potential field of lead, zinc and silver. Research program involving not only geology and |  | | Journal (article/letter/editorial) | | Potassium ferricyanide Ammonia-liquor Caustic soda Silver nitrate Stannous chloride Bi-ehromate of potassium...the reaction for arsenic acid (with nitrate of silver) and all the other reactions for arsenic ; mirror...the reactions for arsenious and arsenic acid with silver nitrate and the usual arsenic reactions. The insoluble...solution of silver sulphate was obtained, which gave the characteristic reactions for silver and sulphuric...characteristic reaction for arsenic acid with silver nitrate. All the silver of the proustite was converted into |
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