 | | Journal (article/letter/editorial) | | 20013 pohwatp@si.edu FLUORITE Part 2 Huanggang Mine, Inner Mongolia, China T he first part of this...northern England, particularly from the Rogerley mine, has made these classic specimens available once...from the Huanggang mines, Huanggang, Kèshíkèté Qi County, Inner Mongolia Autonomous Region, China. Limpid...made of the complex crystals from the Trevaunce mine, St. Agnes. The crystals on the Smithsonian specimens...crystals to 2 cm have been recorded.The East Pool mine has produced crystals to 6 cm in colors ranging |  | Bačík, Peter, Miyawaki, Ritsuro, Atencio, Daniel, Cámara, Fernando, Fridrichová, Jana (2017) Nomenclature of the gadolinite supergroup. European Journal of Mineralogy, 29 (6) 1067-1082 doi:10.1127/ejm/2017/0029-2659 | Journal (article/letter/editorial) | | recently described as a new mineral from Malmkärra mine, WSW of Norberg, Sweden (with type specimen in the...material is Corkscrew Canyon, Death Valley, Inyo County, California. Palache et al. (1951) documented structural...content is significant or (ii) the sum Si þ B þ Be is lower than 2 apfu. Hence, metamict samples (containing...GSG mineral; Klaproth (1806) found it in Nødebro Mine, Norway. Its formation is commonly connected with...up to 0.16 Fe apfu, other elements are in even lower proportions (Grew, 1996, and references therein) |  | | Book (volume) | | Crystalline Schists with Disseminated Iron Ores Specular Hematite Schists Classification of I. Itabirite The...Gyalar in Transylvania (Hungary) of Magnetite and Hematite 1. The Iron Ore Beds of the Archean Rocks of Sweden...Iron Ore Deposits in the Lower Silurian of Central Bohemia .... 2. The Lower Silurian Iron Ores of the...Thuringerwald and Vicinity. ... 3. The Clinton Hematite Ores (6) Ironstone Deposits of the Carboniferous...Veins 1. Veins of Spathic Iron Ore 2. Veins of Red Hematite 3. Veins of Manganese Ores (0) Veins of the Tin |  | | Book (edition) | | hand specimens. Left: Internal reflections of hematite (red), azurite (blue), and malachite (green)....matrix is pyrrhotite. Left (bottom): Polysynthetic hematite twinning under XPL, red internal reflections are...grains. Left: Simple (upper right) and complex (lower left) twinning of gudmundite (blue and brown anisotropy)...different internal reflections. Left: Zonal growth of hematite. Dehydration Cracks Various colloform minerals...secondary minerals. Left: Coffinite (darker grey) with hematite (lighter grey) in dehydration cracks. 7 Light |  | | Journal (article/letter/editorial) | | arrows. Anton mine. (B) Perimorphous replacement of calcite by quartz. Anna bei Fahl mine. (C) Pseudomorphous...bei Fahl mine. (D) Perimorphous replacement of fluorite (fl) by quartz (II). Schwarzwaldsegen mine. (E) Secondary...euhedral rosettes on top of quartz (II). Galgenhalde mine. (F) Perimorphous replacement of cubic fluorite crystals...replacement of tabular baryte (light rose). Kernerloch mine. SILICIFICATION OF HYDROTHERMAL GANGUE MINERALS...De Lamar district, U.S.A. (Lindgren 1899); Elk County, USA (Schrader 1912); the Martha lode, New Zealand |  | | Journal (issue) | | 1877 "find of the century" in the Weisser Hirsch mine; many fine specimens of gangue species-these are...Upper Saxony (Obersachsen) to distinguish it frrom Lower Saxony (Niedersachsen) in northwestern Germany....natural, are in fact centuries-old, multilayered mine dumps, some with ancient tunnels beneath them. Even...District. The Silver Road, with "tourist mines" and old mine structures, beautiful medieval and Renaissance churches...Pochwerk-the ore-stamping mill at the Siebenschlehen mine-and which now is a small museum, with machinery |  | | Book | | contributed during discussions, field trips, and mine visits. As cited in the text, many colleagues provided.... . . . . . . . . . . . . . . 3.7 Westsudetic-Silesian Region, East Bohemia .. . . . . . . . . . . .... . . . . . . . . 477 477 481 482 Chapter 10 Poland . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . 10.1 Sudety Mountains, Lower Silesia . . . . . . . . . . . . . . . . . . . .... . . . . . . 10.2 Other Uranium Occurrences in Poland . . . . . . . . . . . . . . . . . . . . . . . |  | | Book (edition) | | Penney : 11.—Profile section across ‘Last Chance”. Mine, Utah 12.—Section of Argentiferous Sandstone bed...Knockmahon, tee 37.—Fragment of lode, Bergmannstrost Mine, Clausthal 38.—“ Pebble,” Huelgoét. 39.—Section...Extended Hustlers’ Mins 55.—Section across New Chum Mine 56.—Diagrammatic section across Broken Hill Tage...veins in clay ae Poincar ‘ 64.—-Section across hematite deposit at Grown os Kendall —Ideal section of...Juan Teniente Mine 101.—Vein at theNdsmark Mine ; horizontal section . 102.—Clee Mine, Pitkaranta ; section |  | | Journal (article/letter/editorial) | | south-western part they vary from about 1 to 2 metres. In Lower Carboniferous, folding of this geosynclinal filling...sediments consisting mainly of shales and sandstones of Lower Devonian age. Generally, they are small in size...exposed at a depth of 300 metres in Miihlenbach mine (after Buschendorf and Walther, 1957). 11—Railway...14—Dyke exposed at a depth of 200 metres in Camilla mine. Analyst: H. Gundlach. 15—ibid. 16—ibid. Sills:...sills. The B-dykes are characterized by a lower SiO2 content (lower than 40 per cent) and a higher CO 2 content |  | | Journal (issue) | | on the Benitoite Gem mine, it was stated that the Mina Numero Uno, a nearby mine having a similar mineralogy...plentiful than ever and prices averaged generally lower in terms of Euro pean currencies. Visiting Americans...famous Swiss “Cavradischlucht” (Cavradi Gorge) hematite crystals from the St. Gothard area. The crystals...crystal blades on the sur faces of the hematite. The hematite crys tals were mostly single and multiple...un usually thick ones caught my eye. Here the hematite crystals were perfectly terminated, particularly |  | | Book (volume) | | intersections with transverse veins they pyrite and brown hematite. became a little richer and have at several...have been mined to a Down to 52 m. (170 ft.) the mine was dry. depth of 56 m. (183 ft.) Chrysoprase,...Joseph shaft. At a southeastern. the southeast mine, this place the tuffs and marly slates Wengen...impregnated with Ore is also extracted in this part of the mine from a zone of cinnabar. impregnated rock lying...dolomite and the Wengen marly shales. In the Northwest mine, on the contrary, the succession of rocks the ent |  | | Journal (issue) | | ................3 by W. E. Wilson The Keweenaw County Fissure Mines.............................................13 by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan.................................C. J. Stefano & P. Persson The Central Mine, Keweenaw County, Michigan.................................Persson & C. J. Stefano The Copper Falls Mine, Keweenaw County, Michigan............................85...C. J. Stefano & P. Persson The Phoenix Mine, Keweenaw County, Michigan.............................. |  | | Report (issue) | | elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...no. 2.2200). The overall specimen is 4 cm wide. Lower: The matrix specimen was donated to Yale (cat. no...view of the old mine portal on the north side of the Himalaya Mine in San Diego County, CA. D. Sterrett...tourmaline was found in the pegmatites of San Diego County, California. The Advent of Chemical Analysis ...pink cores of tourmalines from the Havey Quarry in Poland, Maine. The term was original ly coined in 1910 |  | | Journal (article/letter/editorial) | | (50 days) experiments mimicking FS and subsequent mine dump processes. The mode of occurrence and the stability...oxides were hydrated by rain and soil water in the mine dumps producing basic lead phases. Chemical composition...quantitatively explain their formation in the medieval mine dumps by the reaction of the lead oxides with a...enlargement of the hydrocerussite stability field toward lower PCO2 at slightly higher temperatures of 35 °C. In...from an old mine dump right in front of a medieval FS place. Charcoal found in the mine dump was age |  | | Journal (issue) | | cavity of dolomite carbonatite. 6 x 5 cm. Zheleznyi Mine, Kovdor, Kola Peninsula, Russia. Fersman Mineralogical...It corresponds those of leadhillite from Mammoth Mine , Arizona, USA and to the empirical formula Pb...complete resemblance to that of caledon.ite from Rowley Mine, Arizona, USA (;;060506 from the RR FF database)...first ti.me in the sample from the Preobrazhensky mine at the Berezovskoe gold deposit in the Central Urals...beaverite-(Zn) has been to date described only at the Mikawa Mine in Japan (Sato et al., 2011). Thus , our finding |  | | Report (issue) | | California, U.S.A. (Switzer and Bailey, 1953); Mihara mine, Okayama Prefecture and at Fuka, Okayama Prefecture...crystals in one mineralised pocket in the Wessels mine, Farm Wessels 227, Hotazel district, Northern Cape...1960) and in the Barringer Hill pegmatite, Llano County, Texas, U.S.A (Marble, 1940). Manganoan varieties...1972); also from pegmatites at Ragged Peak, Tuolumne County, California, U.S.A (Hutton, 1951 a) and at Chari...(Hentschel, 1964); lnishcrone, County Sligo, Eire; from Scawt Hill and Carneal, County Antrim, Northern Ireland |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...microthin coating of bomite, 5.7 cm, from the Flam beau mine, Ladysmith, Wisconsin. William Larson collection;...Weardale fluorite miniature for $140, a beautiful 79 mine aurichalcite (2.75 inches) for $140, a Zambian libethenite...Tredwell to carefully document the localities by mine and sometimes by level. It also afforded him superior...uppermost level of the San Carlos mine, while the large, lustrous Rayas mine acanthites (with nearly zero |  | | Journal (article/letter/editorial) | | 1988). Among others nepheline, hornblende and hematite were shown to be suitable candidates for the (...veins with Pb, Sn and Cu ores, known as the "Gute Hoffnung/Prinzenstein") located in Hercynian shales near...20% that of uranium for our younger samples, the lower precision of the thorium measurements has negligible...4 0 - 5 0 #m, respectively) show significantly lower concentra- H.J. LIPPOLT ET AL. 186 (a) 5O" ...curves show the degassing behaviour at 420°C, the lower ones at 270°C. Generally, small grains appear to |  | | Journal (issue) | | SHOWS TABULAR BLUE BERYL ON TOURMALINE DEO DARRAH MINE, NEAR PATTA GUZAR, BADAKSHAN, AFGHANISTAN 6CM TOM...addition, the largest of the three mines, the Wiesergut mine, has produced the world's finest specimens of crystallized...only rarely are these mine names mentioned on mineral labels. The Wiesergut mine, an underground operation...crystallized strontianite have been collected. The mine lies only 1.7 km south of the village of Oberdorf...Wiesergraben: according to Matz (1939a), reaching the mine from the village is a matter of only half an hour's |  | Mills, Stuart J., Kolitsch, Uwe, Miyawaki, Ritsuro, Hatert, Frédéric Poirier, Kampf, Anthony R., Matsubara, Satoshi, Tillmanns, Ekkehart (2010) Pb3Fe3+2(PO4)4(H2O), a new octahedral-tetrahedral framework structure with double-strand chains. European Journal of Mineralogy, 22 (4) 595-604 doi:10.1127/0935-1221/2010/0022-2048 | Journal (article/letter/editorial) | | Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007...(Birch, 1999), the Tsumeb mine, Namibia (Gebhard, 1999) and the Clara mine in Oberwolfach, Germany (Walenta...following standards were used: anglesite (Pb), hematite (Fe) and fluorapatite (P). Pb3Fe2(PO4)4(H2O) is...ein drittes Vorkommen aus der Eifel (Grube Neue Hoffnung). Aufschluss, 50, 225–228 (in German). Huminicki |  | | Report (issue) | | ee eae eee tet ces ue 52 Glear; Creeke Custer County sercccer ricssvcer re ecient COURT. AntelopecCr...Vrain in Boulder County south to St. Peters Dome and Cather Springs in El Paso County. A second series...Jefferson, Park County; Florissant, Teller County; and on Antelope Creek in Custer County. A third district... Saguache County ; on the east side of the Continental Divide at Bonanza, Saguache County; and at Wagon...Wagon Wheel Gap, Mineral County. A fourth region includes the San Juan district where fluorspar is found |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...The present is a "prime time" of exposure of the lower Tertiary and late Mesozoic high-level (epizonal)...volcanic roof 10 km TV Cr 3 , BOULDER BATHOLITH L Lower crust, composed mostly of amphibolitic and gabbroic...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...associated with upper Devonian to upper Permian (or even lower Triassic) magmatism, although the importance with |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...The present is a "prime time" of exposure of the lower Tertiary and late Mesozoic high-level (epizonal)...monzonite, and satellite plutons granodiorite Lower crust, composed mostly of amphibolitic and gabbroic...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...associated with upper Devonian to upper Permian (or even lower Triassic) magmatism, although the importance with |  | | Journal (issue) | | 85740 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona..................................Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County, Colorado... Finds made in Arizona (the Iron Cap mine) and in Ouray County, Colorado, are described in three articles...huge i show organized by Herb Duke at the Pima County Fairgrounds. Following the advertising section...6-12 cm, Adamite with Hemimorphite from the Ojuela mine, pale green and purple Naica fluorites in small |  | | Book (edition) | | —Interpretation sulpliide waters — Chloride water analyses Mine waters waters— Sulphate waters Oxidation of waters—“Carbonate...Distribution Part played by organisms The oolitic hematite ores The ('bnton oree^ The Jurassic iron ores...ores of Ixirraine — — — The — odlitic — — hematite-clmmosite-sidente ores of Newfoundland — — ...Metamorphosed 293 Processes involved The banded quartz-hematite (magnetite) ores— HemaCeneral character, distribution-tite...minerals Origin Residual iron ores (limonite and hematite) Origin Classi. — — — — — — — — — CONTENTS |
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