 | | Journal (article/letter/editorial) | | Manganite, 2.4 cm high, Ilfeld, Harz Mountains, Thuringia, Germany. Tom Moore specimen. Figure 4. Fluorite...Fluorite with stilbite, 11.9 cm high, Malmberget mine, Gallivare, Lappland, Sweden. Scott Werschky specimen....specimen. Figure 5. Pyromorphite, 4 cm high, Les Farges mine, Ussel, Correze, France. Frank Sousa specimen. Volume...cm across, Halsbrücke, Freiberg district, Erzgebirge, Saxony, Germany. Irv Brown specimen. Figure 9....specimen. Figure 10. Quartz on hematite, 11.1 cm across, Florence mine, Egremont, Cumbria, England, United |  | | Journal (issue) | | Fremontite. Canion City, Colorado Delafossite after Copper (?). Bisbee, Arizona Chalcocite after Sphalerite...through: (a) the loss of a constituent-e.g., native copper 396 Bulletin American Museum of Natural History...kind have been described for MgO after brucite,l hematite after goethite,2 the calcination products of parisite...dolomite, fluorite, etc.; psilomelane, limonite (and hematite) and pyrolusite after calcite, fluorite, barite...Certain of the pseudomorphs of chrysocolla after copper minerals such as azurite, liro'Pointed out by Miers |  | El-Desoky, Hatem M., Abdel-Rahman, Ahmed M., Fahmy, Wael, Khalifa, Ibrahim, Mohamed, Salah A., Shirazi, Aref, Hezarkhani, Ardeshir, Shirazy, Adel, Pour, Amin Beiranvand (2023) Ore Genesis of the Abu Ghalaga Ferro-Ilmenite Ore Associated with Neoproterozoic Massive-Type Gabbros, South-Eastern Desert of Egypt: Evidence from Texture and Mineral Chemistry. Minerals, 13 (3) 307 doi:10.3390/min13030307 | Journal (article/letter/editorial) | | Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany Institute of Oceanography and Environment (INOS)...ores are composed of ilmenite hosting exsolved hematite lamellae of variable sizes and shapes, gangue...the presence of two mineral phases: ilmenite and hematite formed by the unmixing of the ferroilmenite homogeneous...the dominant Fe-Ti oxide and contains voluminous hematite exsolved crystals. Under the scanning electron...intergrowths of hematite as a thin sandwich and lens shape. The formation of hematite lamellae indicates |  | Bauer, Matthias E., Seifert, Thomas, Burisch, Mathias, Krause, Joachim, Richter, Nancy, Gutzmer, Jens (2019) Indium-bearing sulfides from the Hämmerlein skarn deposit, Erzgebirge, Germany: evidence for late-stage diffusion of indium into sphalerite. Mineralium Deposita, 54 (2) 175-192 doi:10.1007/s00126-017-0773-1 | Journal (article/letter/editorial) | | from the Hämmerlein skarn deposit, Erzgebirge, Germany: evidence for late-stage diffusion of indium into...Accepted: 27 October 2017 # Springer-Verlag GmbH Germany 2017 Abstract At the Hämmerlein skarn deposit...deposit, located in the western Erzgebirge (Germany), a major cassiteritedominated Sn mineralization stage is...where they are in contact to anhedral masses of hematite and magnetite. Our observations suggest that In...Bergakademie Freiberg, Brennhausgasse 14, 09599 Freiberg, Germany 2 Helmholtz-Zentrum Dresden-Rossendorf, Helmholtz |  | | Journal (article/letter/editorial) | | 104, pp. 365–384 The Raúl-Condestable Iron Oxide Copper-Gold Deposit, Central Coast of Peru: Ore and Related...CH-1205 Genève, Switzerland Abstract The iron oxide copper-gold (IOCG) Raúl-Condestable deposit is located...alteration that surrounds the biotite alteration. A hematite-chlorite (albite, epidote, calcite) alteration...according to (1) an oxidized deposition sequence (hematite-magnetite-pyrite-chalcopyrite) occurring in and...volcaniclastic rocks and veins. Early specular hematite of the oxidized sequence is transformed to magnetite |  | | Catalog/List | | faces. 3-tx2x2". £11.50. 3. ALLANITE. Mary Kathleen Mine, queensland, Australia. Sharp, lustrous black, well...2txltxl".£4.75. APATITE. Ehrenfriedersdorf, Saxony, Germany. Specimen A - Select, transparent, pale greenish-blue...lxfxf". £4.50. 11. 12. 13. -2AZURITE. Ting-Tpng Mine, Gwennap, Cornwall. Rich, bright blue small sharp...colourful specimen. 3x2xlf". 1:8.00. BARYTES. Ladywash Mine, Eyam, Derbyshire. Lustrous, creamy, tabular bladed...t"· £6.50. NATIVE BISMUTH. Schneeberg, saxony, Germany. Choice, very pure, bright metallic 15. silvery |  | | Journal (article/letter/editorial) | | The mine dump of the Lichtenberg open-pit at the southwest margin of Ronneburg, Thuringia, Germany. Occurrence:...are: hummerite, gypsum, epsomite, picromerite, hematite and an unidentified K–Mg–Mn vanadate. Sincosite...K2MnV4O12, a new mineral from Ronneburg, Thuringia, Germany: description and crystal structure. American...Occurrence: In a fumarole. Associated minerals are: hematite, tenorite, lammerite, urusovite, orthoclase and...of Crystallography, Freie Universität, Berlin, Germany, and long-time collaborator with the crystallography |  | | Journal (article/letter/editorial) | | Strashimirov Æ Rumen Petrunov Milko Kanazirski Porphyry-copper mineralisation in the central Srednogorie zone...2002 Ó Springer-Verlag 2002 Abstract The porphyry-copper systems in the central part of the Srednogorie...occurrences, all of them within the Panagyurishte ore district. The hydrothermal systems are related to Late...the major gold-copper mine at Chelopech located 10 km from the Elatsite porphyry-copper deposit. Mineralisation...Assarel deposit where a thick blanket of secondary copper mineralisation (chalcocite, covellite) has formed |  | | Journal (article/letter/editorial) | | and Fossil Areas In Germany By DR. WERNER LIEBER Dante Str. 50, Heidelberg, Germany In the January-February...to find out if there are any mineral clubs in Germany. Since this number of R&M was sent to the readers...situation here in Germany. The last question of Mr. Carter is very easy to answer. In Germany exists one club...the association is Dante-str. 50, Heidelberg, Germany. The club publishes a monthly magazine for collectors...time 1,600 members. About 90% of them live in Germany, the other 10% live in Holland, Austria, Switzerland |  | | Book | | are photomicrographs from the digenite, galena, hematite and molybdenite sections. The specimen of gold...approximately 5 cm taii and is from the Eagle's Nest mine, Piacer County, California. Ross Beaty Collection...• ...... • ....... • ...................... 32 Copper .......•........ . ..... . .. . ... 34 Covellite...• . . . . . . 50 .. • ........ 52 . ..... 54 Hematite .. . . . . . . ... • •. . •. .•.. ••. .. ...•...· • ··· . .. . . . ........ ... .. .. . . .26 Hematite . • •.•• ... ... .56 Ilmenite . .......... • |  | | Journal (issue) | | Although the mines of the Illinois-Kentucky fluorite district are no longer active, the thrill of discovery...during the preparation of my major article on the district (Goldstein, 1997). Geophysics professor Hal Noltimier...on the Hastie's property as well as several other mine dumps to o btain samples. In addition to Hal and...Furdock for sharing the ir room a nd watching my mine rals on occasion when I did ste p o ut to gather...is new. There new barites from a Meikle Complex mine that t hey bo ug ht aw Hydraulic Rock Trimmer |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...sulfate). Azurite (blue copper carbonate) can react to form malachite (green copper carbonate). If malachite...cosmetics, or as sources of color for ceramic glazes. Hematite and other iron oxides create reds and browns,...of malachite and blue of azurite are both due to copper, an element that can produce different colors in...different optical properties. The play of colors on hematite comes from very thin surface layers similar to |  | | Journal (article/letter/editorial) | | Animas, Atocha, Bolivia, stannite, 1045. Ankerite, Germany, thermal decomposition of, 138. An]~ole, Uganda...Italy, 1037. Belnhausen, Darmstadt, Germany, ankerite, 138. Benallt mine, Caernarvon~hire, Wales, bannisterite...studies of natural fabrics. I. Growth-fabrics in hematite kidneyore and in fibrous calcite, 70. BRAITHWAITE...(PETER R.), Mackinawite, pentlandite, and native copper from the Newport pallasite, 717. Busovaca, Bosnia...), & SILLI TOE (R. H.), Supergene alteration of copper deposits, northern Chile: I. Chalcopyrite-bornite |  | | Catalog/List | | ...... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals on gossen with minor...resembles lapis AJOITE Copper aluminum silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls...Derby mine White xlline lamellar mass with minor lepidolite . Virginia Amelia, Rutherford mine !r2 Lustrous...ALLEMONTITE An intergrowth of arsenic and antimony Germany Harz Mountains, Andreasberg Rich gray botryoidal...Lead telluride Colorado Saguache County, Klondike mine Cleavage plates in quartz with pyrite ......... |  | | Journal (article/letter/editorial) | | pyrargyrite, stephanite, polybasite in Obersachsen (Germany), Fresnillo in Zacatecas and acanthite appeared...Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently Bou Azzer and Imiter...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In 1946...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated...and east of Schlema, 2014 Tucson show. The Imiter mine began its modern producing many quality specimens |  | | Journal (issue) | | Austria. (3) Boracite, 2.9 cm, from Lüneburg, Germany. (4) Native silver, 3.5 cm, from Potosí, Bolivia...Mountains, Germany. (9) Pyrite, 2.4 cm, from Gerensegen, Schwarzwald, Germany. (10) Hematite “iron rose...the Unificada mine, Potosi, Bolivia. Top right: Benitoite, 2 cm, from the Benitoite Gem mine, California...N‘Chwaning I mine, Kuruman, South Africa. Bottom right: Mimetite, 2.7 cm, from the Tsumeb mine, Namibia....Record: (1) Stephanite, Husky mine, Canada. (2) Wulfenite, Rowley mine, Arizona. (3) Diaspore twin, Pinarcik |  | Verhaert, Michèle, Bernard, Alain, Saddiqi, Omar, Dekoninck, Augustin, Essalhi, Mourad, Yans, Johan (2018) Mineralogy and Genesis of the Polymetallic and Polyphased Low Grade Fe-Mn-Cu Ore of Jbel Rhals Deposit (Eastern High Atlas, Morocco) Minerals, 8 (2) 39 doi:10.3390/min8020039 | Journal (article/letter/editorial) | | (Figure 1). Several ore deposits in the Bou Arfa district were mined in the first half of the 20th century...the “Copper Hill” in Arabic, referring to some ancient as “Guelb en Nahas”, which means the “Copper Hill”...to some ancient mining mining by Portuguese for copper ores. Cu mineralization hassomewhat been somewhat...activitiesactivities by Portuguese miners miners for copper ores. The CuThe mineralization has been mined mined...Skeletal crystals of ilmenite and hematite, exsolution lamellae of hematite and pyrophanite in ilmenite (Figure |  | | Journal (article/letter/editorial) | | directly for their metal content (such as native copper) or from which we can extract metals through a...pollutants responsible for the generation of acid mine-waste runoff, for production of acid rain, and for...processes (such as recently documented losses of copper, nickel and other metals from smelters in the Norils’k...the slags (b) left by the Romans when they mined copper ores on Cyprus approximately 2000 years ago. In...crystallization. The long, light-gray lath is ilmenite (ilm), and the bright white phase is native iron (ir) |  | Tunnell, Bolorchimeg N., Locmelis, Marek, Seeger, Cheryl, Mathur, Ryan, Dunkl, István, Sullivan, Brandon, Lori, Lisa (2021) The Pilot Knob iron ore deposits in southeast Missouri, USA: A high-to-low temperature magmatic-hydrothermal continuum. Ore Geology Reviews, 131. 103973pp. doi:10.1016/j.oregeorev.2020.103973 | Journal (article/letter/editorial) | | Geoscience Center, University of Göttingen, Germany e Doe Run Company, PO Box 500, Viburnum, MO 65566...Knob Magnetite (PKM) deposit and the Pilot Knob Hematite (PKH) deposit, which is located 240 m stratigraphically...PKM and consists of variably mineralized bedded hematite and ore hosted in brec ciated volcanic agglomerates...rock compositions, and the mineral chemistry of hematite, which contains up to 2.7% Ti, suggest that the...= 0.05–0.30‰, average 0.13‰) and 3 brecciated hematite samples (δ56Fe = − 0.19 to 0.01‰, average − 0 |  | | Report (issue) | | 4 cm, from the Palelni mine, Molo village, Momeik Township, Kyaukme District, Shan State, Myanmar. The...==== of the rare brochantite of the Los Azules mine in Chile: spherical tufts of emerald-green fibrous...matrix. Brochantite, 4.8 cm, from the Los Azules mine, Quebrada San Miguel, Copiapo Province, Atacama...pseudomorphous after chalcocite from the Las Cruces mine near Seville in southern Spain: you’ll perhaps recall... newly recovered chalcocite specimens from that mine to the 2020 Tucson Show (see the show report in |  | | Book (volume) | | up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy...and the corresponding citation (Hudson Bay 309 mine). in Ref. 4, line Z, for 670 read 676. 310 in...pageite read paigeite. for Algoma district read Sudbury District. in the left Itand figure in the...say that this guarantee did much to deterrepaid. mine the award of the grant. To Mr. W. 0. Wiley, Chairman |  | | Catalog/List | | 94403 U.S.A. Old No. l Headfnme. Whi ■ key Hlll Mine, Tuohnne County, CaUfomla (r■-,u. .SV•t- tor cr11•t•J...association. Few of the minute crystals you see on mine or quarry dumps or even on cabinet specimens will...dumps or surface float. Mirute crystals seen on a mine dump are a clue but nearly always tao weathered...secondary minerals and concentrates ful oxidized copper minerals. Cat. No. 26 on the color$160.00 40...likely to be encountered in the oxidized zones of copper, lead, zinc, silver and gold deposits permanently |  | | Journal (issue) | | area along US-6 between Spanish Fork and Price, UT. Mine dumps can be seen from the highway on the north...the Pleasant Valley Coal Company's Winter Quarters mine (famous for an explosion on May I", 1900, that killed...mineral species from the Middle Buttes/Cactus Gold Mine. Scorodite from the Shumake deposit was described...During the summers of 1987 and 1988 1worked at the mine as a summer student intern while working on my master's...deposits consisted of kaolinite, alunite, and hematite (advanced argillic type), which was different |  | | Journal (article/letter/editorial) | | related to porphyry Cu-Au mineralization at the Dizon mine, Philippines William P. Midea1 | Keiko Hattori1...magmatic conditions during mineralization of the Dizon mine, and to quantify the depth of magma reservoirs,...porphyry Cu deposits (Figure 1), including the Dizon mine, which is located on the southern flank of the Mount...the Zambales ophiolite, exposed west of the Dizon mine and consisting of peridotites, troctolite gabbro...Mount Pinatubo (Figure 2). The rocks near the Dizon mine are green andesitic volcanic rocks with intense |  | | Journal (issue) | | M ontreal Mine! L L The Mineralogical Record MAY–JUNE 2020 • VOLUME 51 • NUMBER 3 • $25 & Wayne... Japan Springfield, Ma / Denver, Co / Munich, Germany Laguna Beach, California, USA tel: +1 949 494 5155...gemgypsy@bellsouth.net MAY–JUNE 2020 Articles The Montreal mine, Iron County, Wisconsin ........................... 487 COVER: BARITE, 6.5 cm, from the Montreal mine. David and Karen DeBruin collection, ex Muscatine...well as articles in the Mineralogical Record (“Copper Country microminerals” in 1983 and “Photomacrography |
|
