 | | 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 & |  | | Book | | Miinchen 5 gedruckt in der BRD van/ printed in West-Germany/ imprime en Allemagne l' Quest de/ impresso in...Silver Graphite Schungite Sulpher Sulfid 33 Chalcocite 56 Digenite 57 Djurleite 22 Bomite 162 Umganite... Cerussite Rosasite alb X Bomite Galenite Chalcocite - (010) vollkommen (010) vollkommen (110)...CERUSSITE PbCOa 32 CHALCANTHITE CuS04•5H20 33 CHALCOCITE 34 35 XXX 51 36 CHALCOTRICHITE Cu20 hell-rot...- (1011) unvollkommen cm saulig mm Chalcocite Chalcocite Cu-Sulfide Duftite Calcite Malachite Dolomite |  | | Journal (article/letter/editorial) | | the systemis dominatedby the coexistence of the chalcocite-digenite solid solution•vith cobaltsulfides (COS2...(<_460øC)anddigenite(_<70øC),andthe appearance of low chalcocite(103øC), djurleite (93øC), and anilite (70øC)...Experimental Methods stabilitiesgiven in parentheses)are chalcocite,Cues (cc, 103.5øC,althoughthere is an intermediateform...Abbreviations: ct = cattierite, cr = carrollite, cc = chalcocite-digenitesolid solution, cv = covellite; liq =...the carrollitelinnaeite solid solution and the chalcocite-digenite solidsolutionbut will acceptup to 4 |  | | Journal (article/letter/editorial) | | xled cyrtolite was found last year in the Pine District, Jefferson Co., Colo., so we were informed by...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...unusually fine datolite specimen at the Lane's traprock quarry, near Westfield, Hampden Co., Mass. The specimen |  | | Book (edition) | | feet—is in Tuscaloosa count v. The coal seams in the lower part of the field are about forty in number, of...river, Tuscalousacounty. Thin.bedded limestonein Lower Silurian and sub.Carbonifer ous group ; also gneisses...Jackson county. Both occur in cherty strata of Lower sub-Carboniferous. Fossil ore. dyestone Interstratified...shales and sandstones of the Clinton group of tho Lower Silurian, along each border of the anti ore, red...found in banks of economical im portance. Iu the Lower Cretaceous (Tuscaloosa) formation, limonite is of |  | | 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 |  | Hairapetian, Vachik, Pelckmans, Herwig, Welting, Tim, Sarami, Alireza, Hosseini, Pourya (2016) New Finds of Mimetite and Vanadinite from Central Iran. Rocks & Minerals, 91 (5) 402-413 doi:10.1080/00357529.2016.1193695 | Journal (article/letter/editorial) | | bornite, calcite, caledonite, chalcopyrite, chalcocite, copper, galena, hemimorphite, hydrozincite,...zoned crystals of mimetite; field of view 4 mm. Lower photograph shows more complex mimetite crystals...gray microcrystals of descloizite (detailed view, lower photograph, field of view 6 mm) from the Chah-Khouni...be found in the articles of Vaughan (1896) and Stahl (1897). More modern mining started in the mid-1930s...The lead mineralization is situated mainly in the lower part of the Late Cretaceous carbonate rocks at Nakhlak |  | | 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 |  | | Book | | occurred 130 million years ago (Milner, 1988). Lower Cretaceous sediments have been intersected offshore...located 2 Tcf of recoverable dry gas (96% methane) in lower Cretaceous aeolian sandstone at a depth of 4.2 km...Geochemistry of Precambrian igneous rocks in the lower Orange River region. 811/1.Precambr. Res. Unit,...1986. The Gamsberg zinc deposits, Namaqualand District. /11:Anhaeusser, C.R. and Maske, 299 pp. S., (Eds)...Spee. publn. geol. Soc. S. Afr .. Johannesburg. District. /11:Anhaeusser, C.R. and Maske, S .. (Eds), 1761-1788 |  | | 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 |  | | Book | | 71 Pneumatolytic origin. Cornish Mines. Mt. Germany, Malaysia, and Nigeria. Bolivia. Tin BischofF....Lead 96 of Ores. (A) Primary Ores Fissure Lodes Germany, Britain, Spain, Comstock. Replacement Ore-bodies...in southern Greenland, for potash "upon central Germany, for nickel on New Caledonia until Sudbury in.... THE SCOPE OF ECONOMIC GEOLOGY present in the district traces of them should be found, such as grains...—The scientific study o: was begun in southern Germany. In the eleventh century the chief mines in Europe |  | | Report (issue) | | permission of Christian Weise Verlag, Munich, Germany German Edition Isaias Casanova, a fan of the...Scovil photo © Christian Weise Verlag, Munich, Germany ISBN 3-921656-35-4 Printed in the United States...Asbestos, Richmond County, Quebec, Canada Paul Stahl specimen Jeff Scovil photo Dedicated to Michael...stone was cut by Bernd Cullman of Idar Oberstein, Germany. Aside from being a master lapidary, Cullman won...Austrian Alps have shown that some garnets in the "Lower Schieferhiille" grew as slowly as only 0.23 millimeters |  | | Journal (issue) | | Behnke Northbrook, JL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...Maybee/Scofield, Michigan, and the famous Auglaize quarry fluorite occurrence in Ohio). He frequented Martin’s...Benitoite, Gold L.A. County Paterson (NJ), Brumado district Museum, Himalaya mine $10 (Brazil), Bosch Collection...$10 v .15/#5 Jacupiranga mine (Brazil), Jensen quarry (CA), Cunha Baixa mine, Paulkerrite $10 .16/#4...Jeanbandyite. Bancroft (Ont.) $10 .15/#6 Bad Ems (Germany), Touissit Vanadinite, Hawleyite (IN), Fluorapatite |  | | Report (issue) | | SrRssr, EDlNBU.RGH; EASON & SON, LTD., 40 '& 41, LOWER SACICVl,l..LE STREII-T, DUBLIN. • ~ • ' ro ...FORTH STREET, EDINBURGH; & SON, LTD,, 40 & 41, LOWER SACKVlLl.E STREET, DUBLIN. 1922 . Price 4s. Od...Bulgaria ••• ••• Finland ••• ••• France ... • •• Germany •• • ••• Greece ... ••• • •• Italy • • • ••• ••...Chalcopy1·ite . .. ... . .. Bornite or erubescite .•• Chalcocite or copper-g·lance. .. Cove.llite ... •. . . ••...of the copper-nickel ore found in the Sudbury ,district of Canada,. Pure copper is not, therefo,r e., |  | | Journal (article/letter/editorial) | | sulphuric acid and to 59.2 in presence of 20%. A t lower pressures, the reduction in the nitric acid content...M. Reaction of Gases with Lead and Silver. W. STAHL (Clic m. Zeit., 1915, 39, 885-886).-A summary of...1057O in a n atmosphere of sulphur vapour. The lower melting point as compared with t h a t of cuprous...inversion is no longer observed. Crystals of chalcocite were repeatedly formed in the dry way a t various...the gas, and a t this temperature and below it, chalcocite can be completely converted into covellite. J |  | | 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 (issue) | | SEPTEMBER–OCTOBER 2022 Articles The Akchatau mine, Shet District, Karaganda, Kazakhstan..................573 by...mine, Wolfsberg, Harz Mountains, Sachsen-Anhalt, Germany.............................................615...recently he had been concentrating on the Tintic district in Utah and amassed many self-collected specimens...illustrated in his 1972 article on the Fairfax quarry in the Mineralogical Record, and on page 255 of...favorite collecting spots was the famous Auglaize quarry in Paulding County, Ohio. He kept meticulous records |  | | Book (edition) | | features-Telluride district-Silverton district-Rico district-Lake City district-Creede district-Summary-Casapalca...oresGenesis-The pyritic deposit of Ra1n1nelsberg, Germany-Geology and structural features-The ores- Origin-...related to contacts-General features-Boundary district-Ducktown, Tennessee-Franklin Furnace, New Jersey-Metasomatic...United States-The iron ores of the Lahn syncline, Germany-Pyrometasomatism of the cordierite typeBavaria...sulphides-Platinum-palladium deposits of the Waterberg district-Iron and nickel-Chromite-Ihnenite or titanic iron |  | Mun, Yulia, Strmić Palinkaš, Sabina, Forwick, Matthias, Junttila, Juho, Pedersen, Kristine Bondo, Sternal, Beata, Neufeld, Kai, Tibljaš, Darko, Kullerud, Kåre (2020) Stability of Cu-Sulfides in Submarine Tailing Disposals: A Case Study from Repparfjorden, Northern Norway. Minerals, 10 (2) 169 doi:10.3390/min10020169 | Journal (article/letter/editorial) | | Chalcopyrite, bornite, bornite, disseminations, chalcocite and covellite are the major Cu sulfides in this...deposit (Figure 3), although pyrite, and to to chalcocite and covellite are the major Cu sulfides in this...that at Ulveryggen (i.e., chalcopyrite, bornite, chalcocite and covellite, associated with pyrite and sphalerite)...Bn—bornite, Bn—bornite, Ccp—chalcopyrite, Cct—chalcocite, from the Nussir FeO—iron oxides. oxides. Gn—galena...[24], Ulveryggen (i.e., chalcopyrite, bornite, chalcocite covellite, associated with pyrite and the historical |  | | Journal (article/letter/editorial) | | Pb-As-Sulphosalt, gold, covellite, digenite and chalcocite. The Onsen site is the first deep sea acid sulfate... Pb-AsSulphosalt, gold, covellite, digenite, chalcocite and gangue minerals of barite, amorphous silica...Fujiwara, D. E. Cunningham, S. Kojima, and D. A. Stahl. Hydrothermal vent gastropods from the same family |  | | Journal (issue) | | Jurassic-aged (155 million years) Bisbee-Warren District in Arizona. MINE IDSTORY In 1975, geologists...deposit lies within the Cananea Porphyry Copper District, which marks the southeast end of the northwest-southeast...stratigraphy of the Milpillas part of the Cananea District is dominated by a roughly 500-meter-thick sequence...with the various mineralization centers in the district. At 63.9 mil lion years old, the Milpillas monzonite...There are three principal structural sets in the district: pre-mineralization north-south trending faults |  | | 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 |  | Valencia-Moreno, Martín, Camprubí, Antoni, Ochoa-Landín, Lucas, Calmus, Thierry, Mendívil-Quijada, Héctor (2017) Latest Cretaceous-early Paleogene “boom” of porphyry Cu mineralization associated with the Laramide magmatic arc of Mexico. Ore Geology Reviews, 81. 1113-1124 doi:10.1016/j.oregeorev.2016.05.005 | Journal (article/letter/editorial) | | a small zone of supergene enriched copper as chalcocite (Salvatierra-Domínguez, 2000), with combined...world (Bushnell, 1988), referred to as the Cananea district. It includes PT Milpillas, Lucy, Mariquita,...Alacrán as the most significant deposits. The district geology evolved on a ~1.4 Ga granitic basement...is centered on a supergene-enriched blanket of chalcocite. However, ~7 Mt of ore grading 6% Cu, 0.4% Mo...of The second largest Mexican porphyry copper district corresponds to Nacozari, which is located ~70 |  | | Journal (issue) | | collection of Gerhard Becker, Idar-Oberstein, West Germany, are each about 1.5 cm long. Photo by Olaf Medenbach...yellow, apple-green, deep green and tur berg, chalcocite from Cornwall, proustite from Chanarcillo, quoise-blue)...Southwest Africa had been declared a protectorate of Germany by Otto von Bismarck in 1884; about a month after...the first crosscut a foot-thick vein of pure chalcocite running through galena was encoun tered, and...was carefully sorted and separated: 21 bags of chalcocite, 20 bags of galena, 20 bags of mixed copper and |
|
