 | Wagner, Thomas, Okrusch, Martin, Weyer, Stefan, Lorenz, Joachim, Lahaye, Yann, Taubald, Heiner, Schmitt, Ralf T. (2010) The role of the Kupferschiefer in the formation of hydrothermal base metal mineralization in the Spessart ore district, Germany: insight from detailed sulfur isotope studies. Mineralium Deposita, 45 (3) 217-239 doi:10.1007/s00126-009-0270-2 | Journal (article/letter/editorial) | | metal mineralization in the Spessart ore district, Germany: insight from detailed sulfur isotope studies...Springer-Verlag 2009 Abstract The Spessart district (SW Germany), located at the southwestern margin of...Universität Würzburg, Am Hubland, 97074 Würzburg, Germany S. Weyer : Y. Lahaye Institut für Petrologie, Geochemie...Senckenberganlage 28, 60325 Frankfurt am Main, Germany H. Taubald Institut für Geowissenschaften, Universität...Universität Tübingen, Wilhelmstr. 56, 72074 Tübingen, Germany R. T. Schmitt Museum für Naturkunde, Leibniz-Institut |  | | Journal (article/letter/editorial) | | Bridge, New York, 288 Charlesite, 238 Chips from the Quarry, 4, 108, 156, 212, 261 Chlorite, 159 Chondrodite...Cummings, W., Mineralization at the Millington Quarry, New Jersey, 213 Currier, R. H . , book review...Diamond, 72 Diatoms, 172 Dietrich, R. V., Lone Jack Quarry, Rockbridge County, Virginia, 157 Dinosaurs, 71...from the Green River Formation, Wyoming, 29 Foote Quarry, Kings Mountain, North Carolina: Revisited 1984...114, 159 Halotrichite, 180 Hanahan, J . , Foote Quarry, Kings Moun tain, North Carolina: Revisited 1984 |  | | Journal (issue) | | net MARCH–APRIL 2019 Articles The Candelaria District Mineral County, Nevada .........................He also bought and operated a decorative-boulder quarry north of Phoenix. He and Phoenix dealer Bob Lane...adams@aero.org Bonanza silver ore made the Candelaria District one of Nevada’s largest silver producers in the...whiteite-(CaMgMg). INTRODUCTION The Candelaria district is located in southeastern Mineral County, along...account of the earlier history of the Candelaria district was compiled from Chalfant (1942), Shamberger |  | | 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) | | physical–chemical regime (North-Bavarian Kaolin Mining District, Germany) Harald G. Dill a,⁎, Stephan Kaufhold b, Angela...University, Welfengarten 1, D-30167 Hannover, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe, D-30631 Hannover, P.O. Box 510163, Germany c Bundesanstalt für Geowissenschaften und Rohstoffe,... Wilhelmstraße 25-30, Germany d Schönwalder Straße 60, D-13585 Berlin, Germany b a r t i c l e i n...Sedimentological–mineralogical facies Mesozoic SE Germany ⁎ Corresponding author. E-mail address: haralddill@web |  | | Journal (article/letter/editorial) | | ated on the northern limits of the English Lake District, has produced an assembly of minerals, in a geologically...three units: the oldest, the Skiddaw Slates, of lower to middle Ordovician age; the Borrowdale Volcanics...its northern and eastern limits by a Dinantian (lower Carboniferous) overlap of conglomerates and limestones...Penfield quarry, Penfield, New York; one green and one black specimen from the Dundas quarry, Dundas,...Dolomite Products quarry, Lockport, New York; two orange specimens from the Niagara Falls quarry, Niagara Falls |  | | Journal (article/letter/editorial) | | xled cyrtolite was found last year in the Pine District, Jefferson Co., Colo., so we were informed by...make a fruitful place for collecting nodules of Marcasite crystals many of which are so new that they shine...specimens in the world are found in the limestone quarry in Legrand, Marshall Co., Iowa. The most noted...Here are some of the specimens collected: "Bumpus Quarry, Albany, Maine—Rose quartz, beryl xls (and massive)...black tourmaline xls, beryl, muscovite. "Harvard Quarry, Noyes Mt., Greenwood, Maine—Garnets, black tourmaline |  | | Report (issue) | | BY JAROSLAV HYRSL AND ALFREDO PETROV The Poopo District ........................................................ 70 BY ALFREDO PETROV The Viloco Tin District: World-Class Cassiterite .......................Bolivia is a bit more than three times the size of Germany or twice the size of France. Bolivia is the poorest...was christened Harry species are known from the district, and Longabaugh ( 1867, Mont Clare, many, such...located high up where the view is best; it is located lower down where there is more oxygen, warmer temperatures |  | | Journal (issue) | | ............... p. 7 Field trip report: Vulcan quarry ................ p. 8 Humor: So you wanna be a...frequently sphalerite from the Tri-State Mining District (Missouri/Kansas/Oklahoma). So I learned to detect...Hissong and me along for comic relief, to a limestone quarry in Danville, KY. For one short day, we collected...pyrite. It is sold in attractive polished slabs. Germany, Poland, and other parts of central Europe are...The Mineral Newsletter Schalenblende, Olkusz District, Poland. This 2-inch-high slab of schalenblende |  | Seidel, Eberhard, Okrusch, Martin, Kreuzer, Hans, Raschka, Helmut, Harre, Wilhelm (1976) Eo-Alpine Metamorphism in the Uppermost Unit of the Cretan Nappe System — Petrology and Geochronology. Contributions to Mineralogy and Petrology, 57 (3) 259-275 doi:10.1007/bf03542937 | Journal (article/letter/editorial) | | aphisches Institut, D-3300 Braunschweig, F.R. Germany Hans Kreuzer, Helmut Raschka, and Wilhelm Harre...Geowissenschaften und Rohstoffe, D-3000 Hannover 51, P.R. Germany Abstract. The uppermost unit of the Cretan nappe...chalcopyrite, pyrrhotite, and pyrite (partly altered to marcasite and goethite) were recognized in the gneiss LEN...by some 20 0 C, if the water vapour pressure was lower than the total fluid pressure according to a ratio...equilibrium, down to somewhat lower temperatures. On the other hand, the lower stability limit of pure Mgcordierite |  | Deditius, Artur P., Utsunomiya, Satoshi, Renock, Devon, Ewing, Rodney C., Ramana, Chintalapalle V., Becker, Udo, Kesler, Stephen E. (2008) A proposed new type of arsenian pyrite: Composition, nanostructure and geological significance. Geochimica et Cosmochimica Acta, 72 (12) 2919-2933 doi:10.1016/j.gca.2008.03.014 | Journal (article/letter/editorial) | | Å have been interpreted to be interlayers of marcasite or arsenopyrite (Cabri et al., 1989; Fleet et...001 and 0.061 ± 0.003, respectively. a Note the lower analytical totals (<100%) for As3+-pyrite2, which...quantify the other trace metals that are present in lower concentrations using EDX, a positive correlation...As-free pyrite, especially for samples from Gold Quarry (e.g., Arehart et al., 1993; Fleet and Mumin, 1997;...opens the possibility that it also forms under even lower temperature conditions in sedimentary-diagenetic |  | | Journal (article/letter/editorial) | | Printed in U.S.A. 0016·7037/86/$3.00 + .00 Marcasite precipitation from hydrothermal solutions JAMES...form September 3, 1986) Abstract-Pyrite and marcasite were precipitated by both slow addition of aqueous...the S20i- and Na2S4 experiments, respectively. Marcasite formed at pH < pK I of the polysulfide species...H2S2, pK I = 5.0; for H2S4, pK I = 3.8 at 25°C). Marcasite forms when the neutral sulfane is the dominant...HSi are likely to be the dominant polysulfides, marcasite will form only below pH 5 at all temperatures |  | | Journal (issue) | | Ctontento The Schneeberg Mining District, Western Erzgebirge, Saxony, Germany ..............................P. Moore7 The Schneeberg District in the famous Saxon Erzgebirge of Germany has been a source of mineral...minerals that have been found in the Schneeberg District, a remarkable 39 were new to science (see Table...Sammlungen, Brennhausgasse 14, D-09599 Freiberg, Germany. Email: Andreas .Massanek@geosamm.tu-freiberg.de...de 2 Naunhoferstrasse 49, D-04299 Leipzig, Germany. Email: info@sm -mineral.de 3 Senckenberg Naturhistorische |  | | Journal (issue) | | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...Jeffrey mine (Quebec), Alpine Rodingites, Fluorite (Germany) $7 v.l0/#3 Taewha mine (Korea) Japan Twins (Quartz)...(Brazil), Jensen quarry (CA), Cunha Baixa mine, Paulkerrite $7 v.15/#6 Bad Ems (Germany), Touissit Vanadinite...Hills type locali ties, Urucum (Brazil), Kalkar quarry (CA), Kremsmiinster $8 v.17/#6 v.I8/#5 Hale Creek...l8/#4 Carrara Marble (Italy), Marburg Museum (Germany) v.18/#6 Stereo Issue— includes stereo viewer |  | | Journal (article/letter/editorial) | | temperature range between Earth surfacetemperatures and lower greenschistfacies.Most mineral-forming processes...LT Lower Tertiary 200 300 I I 400 krn Transitional Crust I UK Upper Cretaceous L K Lower Cretaceous...mantled by cap rocks. These typically consist of a lower anhydrite zone that directly overlies the halite...types (Fig. 3): an upper variegated limestone and a lower banded or "zebra-textured" zone. However, in several...only about half contain the banded calcite. The lower banded calcite zone consists generally of three |  | | Journal (article/letter/editorial) | | carbonate succession into three horizons (Fig. 3). The lower FIG. 3. Stratigraphic column of the studied area...sphalerite and galena, with traces of pyrite and marcasite. White sparry dolomite and blocky calcite are...are sphalerite and galena, with trace pyrite, marcasite, and melnikovite. Different generations of ore...preserved within the following stage of pyrite and marcasite (Fig. 4H). Most of first-stage sulfides were recrystallized...calcite III) formed during deep burial from the Lower Cretaceous up to middle Miocene (Zeeh et al, 1998; |  | | Report (issue) | | of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, the United Kingdom...of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, the United Kingdom...of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, the United Kingdom...------------3. Nickel deposits in the Sudbury district, Ontario, Canada-----------------------4. Nickel...each country having a major nickel deposit or district ---------------------4. By economic class of |  | | Report (issue) | | mbH in Frankfurt am Main, Federal Republic of Germany, and his colleagues who assisted, deserve special...Structure-related uranium mineralization in the Westmoreland district, Queensland, Australia .........................the Southern Black Forest, Federal Republic of Germany ............................... H.W. 247 Bültemann...western edge of the Bohemian Massif (NE Bavaria, FR Germany) .........................................in vein-type deposits of Central Iran (Anarak District) ............. M.R. Espahbod 415 INTRODUCTION |  | | Journal (article/letter/editorial) | | mineralization consisting predominantly of pyrite, marcasite, sphalerite, wurtzite and chalcopyrite. The Pacmanus...sphalerite, chalcopyrite, bornite, wurtzite, pyrite, marcasite, enargite, tennantite, galena, Pb-As-Sulphosalt...ofenargite, covellite, chalcopyrite, pyrite and marcasite. The Papua New Guinea (PNG) Government has granted...sphalerite, chalcopyrite, bornite, wurtzite, pyrite, marcasite, enargite, tennantite, galena, Pb-AsSulphosalt...stable phases of amorphous silica, native sulphur, marcasite, pyrite and covellite are formed in those conditions |  | | Journal (article/letter/editorial) | | S6dimentaires, Universite Paris-Sud, France The Lower Devonian of the Rhine Schist Massif is characterized...having different competance during Siegenian and Lower Emsian deformation. However, locally there is lateral...upper units of the sandy channel series and the lower units of the pelitic swamp facies. Vertical extension...Sur la bordure orientale du toss& de Cologne, le district de Bensberg ne compte actuellement qu' une seule...2000 t m6tal, c. Inf~rieur ~ 2000 t m~tal; d. District rainier ou gisernent Y. Fuchs 342 and C. |  | Edwards, Katrina J, Bond, Philip L, Druschel, Greg K, McGuire, Molly M, Hamers, Robert J, Banfield, Jillian F (2000) Geochemical and biological aspects of sulfide mineral dissolution: lessons from Iron Mountain, California. Chemical Geology, 169 (3) 383-397 doi:10.1016/s0009-2541(00)00216-3 | Journal (article/letter/editorial) | | rhyolitic host rock, located in the West Shasta Mining District of Northern California ŽFig. 1.. The ore body...review.. Fig. 4 shows Raman spectra of unreacted marcasite and arsenopyrite surfaces, as well as samples...sulfur formation is evident in the spectra for the marcasite and arsenopyrite samples that were abiotically...for the differences in sulfur accumulation on marcasite and arsenopyrite compared with abiotically reacted...microorganisms, which we know Fig. 4. Raman spectra for marcasite ŽA. and arsenopyrite ŽB.. Data for surface composition |  | | Report (chapter) | | (House & Kirchgasser 1993). A complete review of the Lower and Middle Devonian goniatite zonation has been...work of Ernst and colleagues on the Cretaceous of Germany that has led to a specific event terminology (Ernst...the prodissoconch of the Bivalvia. GONIATITE Lower LP flu Devonian&D) EMSIAN nv RECOVERY AFTER ...Agoniatites has an estimated volume of 1.5 mm 3. At the lower end is the Jurassic Distochoceras (Palframan 1967)...Tornoceras, based on specimens from the Alden Marcasite, Givetian, New York. For details see House (1965) |  | | Journal (article/letter/editorial) | | stablebelow 460øC but that it may persistmetastablyat lower temperature for long periods of time. The lowte...the central portion of the Cu-Co-Fe-S system. The lower portion of the figure is a wedge boundedon the left...= mackinawire; Co-pn cobaltpentlandire; mc = marcasite; sieg= siegenite; bv = bravoire; lang = langisite;...geometryof th. phasediagramis examined) if the aa2is lower. Th. other assemblagesshown (carrollite-chalcopyrite...Baluba,ZarffBia • P,hokana, Za mbia Kohlenbach, Germany Borras, Norway Borras, Norway Kambove, Zaire Chibuluma |  | Druschel, G. K., Labrenz, M., Thomsen-Ebert, T., Fowle, D. A., Banfield, J. F. (2002) Geochemical Modeling of ZnS in Biofilms: An Example of Ore Depositional Processes. Economic Geology, 97 (6) 1319-1329 doi:10.2113/gsecongeo.97.6.1319 | Journal (article/letter/editorial) | | Biotechnology, Mascheroder Weg 1, D-38124 Braunschweig, Germany. **Present address: Great Lakes Institute for Environmental...part of the Upper Mississippi Valley zinc-lead district (Sicree and Barnes, 1996). The Piquette No. 1...in the Piquette No. 1 mine is located within the lower beds of the Galena Dolomite and the upper beds of...minerals with associated pyrite, chalcopyrite, marcasite, and digenite hosted in carbonates and sulfates...The Zn/Pb ratio in the Upper Mississippi Valley district is approximately 40, with several episodes of |  | | Book (edition) | | scale to soapstone at the other. There is a still lower limit in liquids and gases; but of the hardness...the planes of the trisoctahedron in Fig. 21. The lower one of the three on the upper front solid angle...by a constant ratio, and the expression for the lower right one of the six planes will be 3c f & la. By...being here directly over those suppressed in the lower pyramid. APATITE. If the student will shade over...of the upper pyramid alternate with those of the lower; but -this kind occurs only in the rhombohedral |
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