 | | 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...Kèshíkèté Qi County, Inner Mongolia Autonomous Region, China. Limpid complex fluorite crystals displaying...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 |  | | Journal (article/letter/editorial) | | an adventure of a lifetime. Spend two weeks in Namibia, a country of striking scenery, exotic animals...villages, and collected fluorite at the Okorusu mine near Otjiwarongo. We also spent two days in Etosha National...felt that additional days should be scheduled in Namibia to offset the time (and expense) spent on the long... Natural History Museum of Los Kakia, a diamond mine Angeles County manager for the Nam900 Exposition...their spouses, and four other friends. Our tour of Namibia and South Africa was now extended for a third week |  | | Report (volume) | | fluorspar have been worked in South Africa and Namibia. Stockworks of fluorspar in granite are mined extensively...reported from Angola, Kenya, Morocco, Mozambique, Namibia, South Africa, Tanzania, and Uganda. Fluorite has...carbonatites have been reported only in the Okorusu district of Namibia. Fluorspar production from Africa through...young rifts in eastern and central Africa, in Namibia (South West Africa), and in Angola and is associated...deposit of Namibia. Stockworks of fluorspar in granite are mined extensively at the Buffalo Mine in South |  | | Book | | Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...s Onganja Mine and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits...__ Republic of Namibia The President State House W°Ntdhoek FOREWORD Namibia is endowed with an...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...ENERGY Of the several hundred minerals present in Namibia, around sixty have been exploited. some, such as...base metals and industrial minerals have helped Namibia rank amongst the top five mining countries in Africa...terms of production and reserves. In this context, Namibia is a major producer of copper, lead, zinc, cadmium...unpublished. It is evident that mineral exploration in Namibia, as elsewhere. has changed from serendipitous discoveries |  | | Journal (article/letter/editorial) | | resources of anorogenic alkaline complexes in Namibia: A review F. Pirajno a a Geological Survey of...resources of anorogenic alkaline complexes in Namibia: A review, Australian Journal of Earth Sciences:...resources of anorogenic alkaline complexes in Namibia: A review F. PIRAJNO Downloaded by [Dalhousie...Plain Street, East Perth, WA 6004, Australia. In Namibia there are numerous anorogenic alkaline complexes...carbonatites, mineralization, Namibia. INTRODUCTION In southwestern Africa (Namibia, southern Angola and northwestern |  | | Journal (issue) | | cover Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection;...different copper-containing minerals (e.g., chalcopyrite, azurite, malachite, chrysocolla, linarite,...custom jewelry. Wulfenite, 5.4 cm, from the Defiance mine near Gleeson, Cochise County, Arizona. Ken Donn...photo. Wulfenite (hot-pink), 3.7 cm, from the Glove mine, Tyndall district, Santa Cruz County, Arizona. Collected...pseudomorph after azurite, 4 cm, from the Inspiration mine, Globe-Miami district, Gila County, Arizona. Ken |  | | Catalog/List | | ◄-S~~----- 1 CHRYSOBERYL, Espirito Santo, Southeast Region, Brazll. Sixling twinned crystal. 38x30x19mm. ...locality. 53x42x13mm. £38 3 VESUVIANITE, Jeffrey Mine, Richmond County, Quebec, Canada. Apple green crystals..., . ·~, ~- .. ,;. _,,\ 4 EPIOOTE, Xichang Mine, Sichuan Province, China. Attractive gemmy olive... 6 APATITE, C-Francolite"), Simm's Lode, Geevor Mine, St Just, Cornwall. Gemmy golden honey xtls to 3mm...mineral. 102x74x5.5mm. £32 10 FLUORITE, Okorusu Mine, Erongo, Namibia. Attractive purple green cubes to 30mm |  | | Journal (issue) | | Front cover: Sulfur on Aragonite, 25 cm Cozzodisi mine, Casteltermini, Agrigento, Sicily, Italy. Adalberto...place in the Sardinian mines and the Traversella mine (Piedmont). The second edition of the Catalogue...Marches Region, and the sphalerite, chalcopyrite and various rare sulfosalts from the Bottino mine in Tuscany...exploring the underground workings of an historic gold mine in the Brusson area, Val d' Ayas, western Alps....momentum came from my first visit to the Jeffrey mine in Asbestos, Quebec in 1997. I was fascinated by |  | | Journal (issue) | | (Dodecahedron) with Quartz, Erongo Mountains, Namibia, 2.5 x 2.6 x 2.4 cm, Jeff Scovil photo, Alex Schauss...Club. This led to all kinds of field trips in the region, including one of my first trips to collect Herkimer...track, to collect specimens underground at the Kelly mine, famous for exceptional blue-green botryoidal smithsonite...nearby Graphic mine, noted for azurite and malachite crystals, and visit the Blanchard mine to collect fine...included that of Ms. Blanchard at the Blanchard mine, who greeted someone she didn’t know with a shotgun |  | | Journal (issue) | | Jebel Ouichane, Sagangane, Nador Province, Oriental Region, Morocco. Doug Fiske collection; Jordan Root photo...row, from left: Euclase, 2.3 cm, from the Gachalá mine, Guavió-Guatéque mining district, Boyacá Department...Budd photo. Tanzanite, 7.6 cm, from the Merelani mine near Arusha, Tanzania. Barry & Beth Kitt collection;...Fluorite on quartz, 13 cm, from the Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. The...Spodumene (variety kunzite), 9 cm, from the Urucum mine, Galiléia, Minas Gerais, Brazil. Gus & Jane Eifler |  | | Book | | identifying the cause of the low recovery of chalcopyrite at KUCC Bradshaw, DJ, Triffett, B, and Kashuba...relationship to beneficiation problems at Okorusu, Namibia Hagni, RD 297 Ore microscopic study of copper...losses from mining of bornite ores in the Sweetwater Mine, Viburnum Trend, Southeast Missouri Hagni, RD 307...oxidation and mobilization of arsenic in the Ketza River mine tailings Paktunc, D, Thibault, Y, and Weisener,... Understanding micro-environment development in mine tailings using MLA and image analysis Redwan, M |  | | Catalog/List | | crystal 31mm 48x46x41 mm. £32 2 FLUORITE Sauberg Mine, Ehrenfriedersdorf, Saxony, Germany Crystals to...cubes to 21 mm 67x55x49mm. £38 £34 15 CHALCOPYRITE Sweetwater Mine, Reynolds County, Missouri, USA Iridescent...Atlas Mts, Morocco. 68x62x53mm £38 18 CALCITE Okorusu, Nam1b1a 87x61x36mm. £32 19 MALACHITE & CERUSSITE...Northern Territory, Australia 109x93x42mm £36 21 CHALCOPYRITE on CALCITE Zacatecas, Mexico. 62x51x31mm 22 |  | | Journal (issue) | | with Mimetite on Barite 5.1 cm, from the Rowley mine, Maricopa County, Arizona. Dick Morris collection;...explore literally thousands of mineral occurrences, mine dumps and abandoned mines in the public domain administered...Heintzelman (1805-1880) shipped ore specimens from his mine to be exhibited at the Cincinnati Merchant's Exchange...later when Edwin Over paid a visit to the Red Cloud mine and made one of history's most spectacular wulfenite...discovery at tbe Red Cloud mine, Ed Over moved on in 1939 to investigate tbe Hilltop mine in Cochise County. |  | | Journal (article/letter/editorial) | | 1989)includeArubaDongar,India(11.6Mt of 30 studwt % CaF2), Okorusu,Namibia (7-10 Mt of 35 wt % CaF2), dellach,1993;Galindoet...rocks(Mariano,1989).Thedeposits at AmbaDongar,Okorusu, andTchiviraQuilengues occuras fluorite,either...S7Rb/SaSr ratiosfor the atedandintergrown withbarite,chalcopyrite, dickite,galena, Sr contents arelow(<0.002)...largest concentration of sulfides (predominantly chalcopyrite) associated withanycarbonatite occurrence (Mariano...Distinctive miner(geologist) oftheAmbaDongarfluorspar mine,forproviding Hogarth, als in carbonatite,in Bell |  | Gwalani, L. G., Rogers, K. A., Demény, A., Groves, D. I., Ramsay, R., Beard, A., Downes, P. J., Eves, A. (2010) The Yungul carbonatite dykes associated with the epithermal fluorite deposit at Speewah, Kimberley, Australia: carbon and oxygen isotope constraints on their origin. Mineralogy and Petrology, 98 (1) 123-141 doi:10.1007/s00710-009-0102-1 | Journal (article/letter/editorial) | | Yungul carbonatite dykes at Speewah in the Kimberley region of Western Australia were emplaced along a north-trending...carbonatites of the Speewah area in the Kimberley region, Western Australia (Fig. 1), located about 110...diamondiferous lamproite diatreme of the Argyle mine (see Jaques et al. 1986). The Yungul carbonatite...fluorite (Fig. 2h), calcite, barite, galena and/or chalcopyrite. 126 L.G. Gwalani et al. Fig. 1 Simplified...Ridge (or Yungul Hill) at Speewah in the Kimberley region showing the location of the Yungul carbonatite |  | | Journal (article/letter/editorial) | | state of europium produces a broad line in the blue region of the color spectrum while the trivalent state...state produces several narrow lines in the red region of the color spectrum. In the light of this knowledge...give a constant energy response for the wavelength region of 400-700 nm. This adjustment has been calibrated...Arizona. secondary apatite, secondary albite and chalcopyrite. The spectral scan of the SsBord fluorite shows...quartz diorite. Acoompanying minerals are quartz, chalcopyrite, anhydrite and secondary apatite. The spectral |  | | Report (issue) | | was also suggested that limestone at Kalkfeld, Okorusu, Phalaborwa, Lokupoi Hill (Napak), Toror, and Tororo...Libya Malawi Mali Mauritania Morocco Mozambique Namibia Somalia South Africa Sudan Tanzania Uganda Zambia... magnetite, fluorite, vermiculite, calcite, chalcopyrite, baddeleyite, thorite, and uraninite. The commodities...section it is noted if the carbonatite hosts an active mine, is a past-producer, or is considered a “deposit”...on the 330 occurrences then compiled. The only region significantly underrepresented in that compilation |  | | Report (issue) | | fluorite gemstone cut from rough originating in Okorusu, Namibia. Collection Warren Taylor; photo Jeff Scovil...Brian Stefanec explores a pocket at the Elmwood mine. Photo Mark Kielbasa Switzerland BY HANS ANTON...MICHAEL GRAY 54 Elmwood-Gordonsville-Cumberland Mine Complex Of Eastern Tennessee BY ARVID PASTO 56...Castleton in Traek Cliff (Derbyshire), the Blue John mine (page 35). The term "fluorite" was coined in 1797...The Blue John Mine, Castleton. In Modern Terms A postcard depicting the Blue John mine near Castleton |  | | Journal (issue) | | localities like the Sweet Horne mine, Breckenridge, Mount Antero, the Sunnyside mine, Creede, Cripple Creek,...Collection" labels list the name of the lade or mine, the mining district and county, and the assay results...thread, some taken from the surface of the American mine and some from its deepest workings indicating that...that depth does not change the character of the mine. One is impressed by the money as well as the scientific...quartz, interspersed with gold, but the owner of the mine, Mr. Walker, seeing the cabinet, said that the piece |  | | Journal (issue) | | Co11go Beige ". Typlokalität ist die Likasi Mine (Panda Mine) im Kambove District, Haut-Katanga, Demokratische...Republik Kongo: An der Typlokalität, der Likasi Mine im Kambove District, bildet Buttgenbachit bis über...Radialstrahliger Buttgenbachit auf Brochantit. Tenke-Fungurume Mine, Kofvvezi, Kongo (Fund 2019). BHdhöhe 2,8 mm. Sammlung...Tenke-Fu~oU11llllel Kolwezi auf den M arkt. USA: In der Cole Mine im Re,ier Bisbee, Cochise County, Arizona wurde...ristalle aufwies. Australien: Aus der Great Australia Mine, Cloncurry, Queenslan d stammt Buttgenbachit als |  | | Journal (article/letter/editorial) | | somewhat analogous to the modern 114 western Pacific region, dominantly composed of island arcs in the absence...synthesized by Zhao (2004) for the Western Pacific region shows 233 stagnant slabs floating in the mantle...detritus will get stacked in the middle mantle region due 250 to buoyancy, generating a ‘second continent’...Atlantic 457 would explain the origin of LIP in the region (Karoo, Ferrar, Tasman and Chon Aike; 458 Gondwana...underlying superplume in the South Atlantic 462 region, forming the Weddell triple junction. 463 The |  | | Journal (article/letter/editorial) | | endoskarn abundance in Cu–Zn skarns at the Empire Mine, Idaho, USA Zhaoshan Changa,*, L.D. Meinertb a ...in some Cu–Zn skarn deposits such as the Empire Mine in Idaho. Important features include: (1) quartz...localities such as the world-class Cu–Zn skarn Antamina mine, as well as some tin and rapakivi granites. D 2004...associated with some ore deposits, such as the Empire Mine, Idaho, USA, contain quartz phenocrysts that are...tin and rare-metals mineralization at the Pitinga mine, Brazil. Embayment of quartz phenocrysts also has |  | Jin, Luying, Qin, Kezhang, Li, Guangming, Zhao, Junxing, Li, Zhenzhen, Chu, Zhuyin, Song, Guoxue (2023) Formation of the Chalukou High Fluorine-Type Mo (–Zn–Pb) Deposit, NE China: Constraints from Fluorite and Sphalerite Rare Earth Elements and Sr–Nd Isotope Compositions. Minerals, 13 (1) 77 doi:10.3390/min13010077 | Journal (article/letter/editorial) | | Cu ± Mo ± Au deposits developed in this NE China region [49,59–61]. Minerals 2023, 13, 77 3 of 20 Figure...(Figure 4e–i), galena (Figure 4h,i), and minor chalcopyrite (Figure 4i) formed and produced the Zn–Pb ore...was overprinted by later chalcopyrite. Mineral abbreviations: Ccp-chalcopyrite, Gn-galena, Hem-haematite...fluorite occurs in the sphalerite ± galena ± chalcopyrite ± pyrite veins (V4, Figure 5d,e) and fluorite...quartz–molybdenite vein (V2); (d) fluorite enclosing chalcopyrite, and molybdenite occurring with sericite; (e) |  | | Journal (article/letter/editorial) | | prospecting isolated from soil from the Jiaodong gold mine—Changling Lao, Yating Shen, Shuai Zhu, and Liqiang...during hydrothermal alteration at the Okorusu carbonatite complex, Namibia— Delia Cangelosi, Sam Broom-Fendley...enrichment in the Lala Cu-Fe deposit, Kangdian region, China: A new case of uranium mineralization associated...geochemistry, H-O-S isotopes, and U-Pb zircon, Re-Os chalcopyrite geochronology—Xihui Cheng, Fuquan Yang, Rui...garnet in the Late Archean Storø Au deposit, Nuuk region of SW Greenland—Kristoffer Szilas, Jonas Tusch |
|
