 | | Report (issue) | | 42 Epidote ____________________________ 45 Page Mine ralogy Continued Tourmaline _______ C46 Other minerals...Dolomite-calcite solid solution _ 67 Dolomite-siderite solid solution _______ 68 Pyrrhotite-pyrite solid...developed around the Bagao Complex and the granite north of the Serra do Curral, where the metamorphic grade...for the area by dolomite-calcite and dolomite-siderite solid-solution Preto (Johnson, 1962, p. 4). series...Ferrifero is a great divide, in the Morro Velho mine (325°C) ; by the occurrence of diopside the Serra |  | | Journal (issue) | | Lieber Heidelberg, W. Germany Olaf Medenbach Ruhr Universitat Bochum Bochum, W. Germany Eric Offermann Arlesheim...typically abraded specimens you’ve found in the old mine dumps. And you’ve probably looked long and hard...Everyone has heard repeated warnings about entering old mine workings. But, face it, those deep, open shafts...commonality: They can be very dangerous. Each year mine rescue specialists and conventional search and rescue...unstable ground, deteriorated ground support systems, bad air, fire and unsafe water. The hazards of old underground |  | | Journal (article/letter/editorial) | | that Keith wandered around the neighboring gold mine dumps and developed an interest in minerals. He... The specimen was found in 1967 in the Pioneira mine, Teofilo Otoni, Minas Gerais, Brazil. Downloaded...multicolored tourmaline from the Barra de Salinas mine, Aracuai-Itinga district, Minas Gerais, Brazil....from the Jonas mine in Brazil have sold for several hundred thousand dollars. A Jonas mine rubellite called...lion. This is in addition to the 43-inch-long Jonas mine rubellite called the " R o c k e t " (illustrated |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...over its beer: to go underground in a non-working mine is sheer folly unless you are accompanied by someone...(preferably several people) who really knows the mine. Before venturing into the field serious collectors...really is a matter of life or death when you are in a mine - only a plan will show where water on the floor |  | | Report (issue) | | _ Santa Rita syncline_______-_____________ Dom Bosco syncline___________________ Moeda syncline_______________________...----_--21. Laterization profile, Mutuca bauxite mine.. ____________ ___________________-____--_----___-22...gradational contact with the overlying unit in the north-central part of the region and is found through...block is known as the Rio das Velhas uplift, a north-south structure some 100 kilometers long and about...narrowest point. It veers to the northeast at the north end. This is probably the first structure to have |  | | Book | | Located on an island about 300 km (185 miles) north of Yellowknife, the Acasta River deposit is believed...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24 x 0.5 om MINERALS: PRODUCTS OF A...Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12 x 19 x 6 cm |  | | Book | | [(OH)5 (P04)4]' 6 H20 (monoclinic, brown) Rotlăufchen Mine near Wetzlar/FRG Original size 5 x 6 mm ISBN-13:...a deeper view of the crust in mines. The deepest mine shafts are those of the gold mines in the Witwatersrand...scabbiness, when rubbed in foul wounds consumes the bad flesh, strengthens the heart, and makes good blood...in the sedimentary copper deposits at Mansfeld, Germany. Other than in jewelry and silverware, its main...century. Its thatched 3 Native Gold on Quartz Grace Mine, Ontario/Canada Original size 19 x 30 mm Isometric |  | | Journal (article/letter/editorial) | | P—Pitangui; M—Mateus Leme; S—Souzas; M—Moeda; B—Dom Bosco; G—Gandarela; C—Conceição. Gold mines: M—Morro Velho;...the Moeda and Dom Bosco synclines, respectively (Figures 2, 4 and 5). To the north, the Serra do Curral...for one of these dikes near the town of Ibirité (north of the QF) suggests an intrusion related to the...parallel mineral lineation that plunges to the north. Kinematic markers of the Bem-Te-Vi shear zone—such...and 060/20 [79]. In the Andaimes range, to the north of the Bação dome, such NW–SE structures truncate |  | | Book | | Czechoslovakia 173 East Africa 174 Federal Republic of Germany (including the former German Democratic Republic)...Preto, Kamenka river, Schneckenstein, Saxony, Germany. xiv Profile Colourless/blue - Minas Gerais...across the channel in Cornwall, England, and from north-west Spain (Faul, and Faul, 1983; Forbes, 1972)...region, Brazil. It also occurs at Schneckenstein, Germany (Saxony) and neighbouring areas, the Sanarka river...topaz were imported at Munnagara and Barygaza in north-west India; and there was a large trade in topaz |  | | Book (volume) | | VII. Siderite, with p. 1 Garnet Rock ll Siderite, Felspar, Graphite 12 III. Siderite, Unctuous... II. V. VI. VII. VIII. Actinote, Siderite, Quartz, Siderite, 13 14 Mica ib. Oxyd of Iron ib... XII. Felspar, Quartz, Talc Felspar, Fibrous Siderite ib. IX. X. XIII. XIV. XV. XVI. XVII. XVIII...17 19 Granite and Slate , Gneiss, with Blue Siderite ib. Clay, Spathose Iron 27 28 Serpentine,...DlAMICTONlC. VIII. III. Siderite, with Mica Siderite, with Felspar IV. Siderite, with II. V. VI. VII |  | | Journal (article/letter/editorial) | | Fernandinho, Galinheiro, Mina do Pico e Sapecado (MBR mine properties). Apart from the initially estimated...formation, a gold-bearing quartz albite ankerite-siderite/ dolomite rock (‘lapa seca’), graphitic phyllites...– built in the Curral Anticline, Moeda and Dom Bosco Synclines, Engenho Fault and the structures at the |  | | Journal (issue) | | ARSENOPIRITE(6CM)-MORENOSITE-GALENA-PRITE(1CM)SFALERITE-SIDERITE-QUARZO(4CM)-PIEMONTITE ALPE DELLE VIGNE ALAGNA...OTITE CAMASCO VALSESIA QUARZO ROSA CASA DEL BOSCO SOSTEGNO BORGOSESIA BRAMMALLITE(ILLITE)-METAHALLOYSITE...CORNO STAFFOUL ARSENOPIRITE(6CM)-QUARZO-LIMONITE-SIDERITE(4CM) GALENA-PIRITE(1CM)-SFALERITE- CROSA VARALLO...PIRITE-QUARZOCALCOPIRITE-SFALERITE(MARMATITE)-SIDERITE-DOLOMITE NOVARA FALO’ C/O GIGNESE CERUSSITE-A...in Savoia dal massiccio di Belladonne QUARZI e SIDERITE, mentre dal centro del paese arrivano ancora belle |  | | Report (issue) | | ____ 24 15. Glauconitic rocks (greensand) 16. Siderite rocks of post-Precam25 brianage____________ 17...Occurrences of iron-rich beds of Precambrian age 23. North and South America,. 34 24. Europe and Asia__--___--_36...goethite (limonite), hematite, and magnetite; siderite, with a substantial range in amounts of manganese...by the ironstone of the Lahn-Dill district of Germany and the Helen iron-formation of the Michipicoten...silicate (greenalite, chamosite), as a carbonate (siderite), or as a sulfide (pyrite, marcasite, or less |  | CHAUVET, A., PIANTONE, P., BARBANSON, L., NEHLIG, P., PEDROLETTI, I. (2001) Gold Deposit Formation during Collapse Tectonics:Structural, Mineralogical, Geochronological, and Fluid InclusionConstraints in the Ouro Preto Gold Mines, Quadril ateroFerrifero,Brazil. Economic Geology, 96 (1) 25-48 doi:10.2113/gsecongeo.96.1.25 | Journal (article/letter/editorial) | | plane (Fig. 1a). Indeed, Lm' lineation is roughly north-south along the southern limb of the Mariana Geologic...na an ti c li n e 1 2 Mariana 5 20°22' Dom Bosco sy a 10 km Schists and conglomerates Phyllites..."Antõnio Pereira" Mine 2 "Morro Santana" Mine Gold mines concerned 3 "Mata Cavalo" Mine by this work 4 "Passagem..."Passagem de Mariana" Mine 5 NW Modea Syncline 20°22' 4 ncline 43°45' Itacolomi Supergroup 3 ...Mineralized Contact (MMC) Bação Complex "Palacio Velho" Mine Itacolomi Supergroup SE ? 10 km b Gold mines |  | | Book | | The auriferous claims 148 The gold mine of Morro Velho 153 The Mine of Passagem 155 The/old rush in P'ianc6...ex-u-:iordinary vJ.riety of crystal h:ibits 311 Siderite 313 The discovery of mar,nesite in Brazil 318...topaz 385 T he imperial topaz of Ouro Preto 393 The Mine of Capao do Lana 397 The imperial topaz of Antonio...of the pyralspite series 411 essartine 414 ~ he Mine of Pedra Bonita 416 Garnets of the ugrandite series... phenakite, gold, nickel and chrome minerals, siderite, magnesite, dolomite, pyrite, pyrrhotite, uvite |  | | Journal (issue) | | ......... 247 WULFENITE—from level 4 of the 79 mine, Gila County, Arizona. The specimen was collected...their help, and their country, where a change in mine ownership has also response has been wonderful....Individuals who have con sometimes meant a change in mine name. How many sented to serve as members of this...published during this coming year will be, we Germany, and Richard Gaines of the U.S. We hope to hope... VIOLARITE FROM N IIH tlf A L u ■THE GAP NICKEL MINE by J. A. Speer and E. C. M artin Virginia Polytechnic |  | | Journal (issue) | | filone manganesifero che è ancora visibile nel bosco all’esterno della miniera. Galleria (a sinistra)...direzione di Punta Serena, nel bel mezzo di un bosco di betulle, è ben evidente una grossa trincea dove...collaborazione al Museo di Storia Naturale “Don Bosco” di Valsalice in Torino e relativo alla Storia della...Semeria, fr. Morialdo, 30 – 14022 Castelnuovo Don Bosco AT – Tel. 011.98.77.203 331.660.55.87 – ezio.fo...strade. Troviamo campioni di calcite, barite e siderite. Inoltre, mentre lavoravamo, è sopraggiunto un |  | | Journal (article/letter/editorial) | | niversity Mainz, D-55099 Mainz, Becherweg 21, Germany a r t i c l e i n f o Article history: Received...deposits by Tissot and Welte (1978), Hunt (1979), North (1985), Selley (1997) and Gluyas and Swarbrick (2004)...“Gesellschaft für Metall-, Hütten- und Bergleute” in Germany (GDMB). These data have been reported in the final...fallen out of use, excluding uranium in modern-day Germany. Exploration does not place the main emphasis on...Serendibite Serpentine, antigorite, chrysotile Siderite Siegenite Sillimanite Silver native Sinhalite | | | Journal (article/letter/editorial) | | niversity Mainz, D-55099 Mainz, Becherweg 21, Germany a r t i c l e i n f o Article history: Received...deposits by Tissot and Welte (1978), Hunt (1979), North (1985), Selley (1997) and Gluyas and Swarbrick (2004)...“Gesellschaft für Metall-, Hütten- und Bergleute” in Germany (GDMB). These data have been reported in the final...fallen out of use, excluding uranium in modern-day Germany. Exploration does not place the main emphasis on...Serendibite Serpentine, antigorite, chrysotile Siderite Siegenite Sillimanite Silver native Sinhalite |  | Mendes, Mônica, Lobato, Lydia M., Kunzmann, Marcus, Halverson, Galen P., Rosière, Carlos A. (2017) Iron isotope and REE+Y composition of the Cauê banded iron formation and related iron ores of the Quadrilátero Ferrífero, Brazil. Mineralium Deposita, 52 (2) 159-180 doi:10.1007/s00126-016-0649-9 | Journal (article/letter/editorial) | | precursor minerals to the hematite, magnetite, siderite, and iron-silicates commonly preserved in BIFs...minerals from the Schwarzwald iron ore deposits in Germany have a range in δ56Fe from −2.3 to +1.3 ‰ (Markl...São Francisco Craton, MS Moeda Syncline, DBS Dom Bosco Syncline, GS Gandarela Syncline, SRS Santa Rita...ankerite), with minor amounts of quartz, calcite, and siderite. Amphibolitic itabirite is the least abundant...quartz itabirites of the now exhausted Águas Claras mine. Selmi et al. (2009) analyzed quartz itabirites |  | | Book | | Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Redondo, near the Portuguese coast about 155 km north-northeast of Lisbon, is now closed and flooded,...of the 30 km-wide Erongo Mountains upland, 20 km north of Usakos, are shot through with complex pegmatites |  | | Book (volume) | | Central Europe includes the Federal Republic of Germany, the German Democratic Republic, Poland, Austria...Fluorite . Baryte • Manganese Uranium. Magnesite and siderite • Eastern Pyrenees Western Pyrenees Talc. Summary...Elisa and Dorinda Barruecopardo Golpejas or Bellita mine Morille-Martinamor El Cubito El Trasqui16n. Santa...iron ore basin 273 Manganese deposits of the North Urals Palaeocene basin . Areal-type nickel deposits...gypsum, 128 ODO t of iron and a little silica. * Mine production only, 339. 900 18 2 385000 6 840000 |  | Bosco-Santos, Alice, Gilhooly, William Patrick, Fouskas, Fotios, Fabricio-Silva, Wendell, Oliveira, Elson Paiva (2020) Euxinia in the Neoarchean: The starting point for early oxygenation in a Brazilian Craton. Precambrian Research, 341. 105655 doi:10.1016/j.precamres.2020.105655 | Journal (article/letter/editorial) | | early oxygenation in a Brazil‐ ian Craton Alice Bosco-Santos, William Patrick Gilhooly III, Fotios Fouskas...February 2020 Please cite this article as: A. Bosco-Santos, W. Patrick Gilhooly III, F. Fouskas, W....oxygenation in a 2 Brazilian Craton 3 Alice Bosco-Santos1,2, William Patrick Gilhooly III2, Fotios...(XSERIES 2, Thermo Fisher Scientific, Bremen, Germany) after total acid digestion (Magaldi et 123 al...schist. Iron in carbonates (ankerite 362 and siderite) as well as in pyrite behaves as a ferrous cation |  | | Journal (volume) | | Brief History of High-Grade Iron Ore Mining in North America (1848-2008) Philip E. Brown 361 Part IV...districts of North America. DAVID BELTON completed his B.Sc. (Hons) at James Cook University North Queensland...the CSIRO in roles including science adviser for mine processing. He previously advised companies such...Technical University of Clausthal-Zellerfeld (Germany) in 1993, followed by a Ph.D. in geology from the...senior exploration geologist at Sishen iron ore mine for the same company. For the past 8 years he has |  | | Catalog/List | | museum-quality Tourmalines, including the 2nd largest Sapo Mine “shaving brush” and an exceptional Elbaite on Feldspar...Auction 2 53001 CALEDONITE Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA Named by the Romans...This example hails from the Mammoth-Saint Anthony Mine: a legendary Arizona locality. Unlike the vast majority...Caledonite and a dash of azure blue Linarite. The mine is now collapsed and only a memory for the lucky... 53002 CHALCOCITE Lucky Friday Pocket, Flambeau Mine, Ladysmith, Rusk Co., Wisconsin, USA This is one |
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