 | | 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...KèshĂkètĂŠ 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 |  | | 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 |  | | Journal (issue) | | Westcott copper mine, comprised three separate collecting sites in two short adits and the mine dump. Nearby...Nearby was the Badger Level section of the Huglith mine complex, which was our other location. We were too...a layby in the forestry surrounding the Huglith mine. When we did so later in the day there were some...more interesting of the. sites at the â˘Westcott mine, though a few good finds were made in the two ad...⢠⢠â˘, :. ⢠I Originally started as a copper mine in the latter part of the 1800s, the workin¡gs at |  | | Journal (issue) | | Front cover: Sulfur on Aragonite, 25 cm Cozzodisi mine, Casteltermini, Agrigento, Sicily, Italy. Adalberto...the Fassa Valley and the Siusi Alp; druses of orthoclase and quartz with associated minerals from the...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. |  | | Catalog/List | | it collected when the Tsumeb Mine (as well as other mines of the region) were still in production in...engineering work took him to the Tsumeb Mine in Namibia. This mine is renowned for producing what are arguably...desert-like "Sperrgebiet" area of the southern coast of Namibia, with its fabulous wealth of gem diamonds. One...Ianâs interest stems from the family trips to Namibia, including the mines of Tsumeb. He worked with... 57001 Azurite Level 8, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia If the attachment point on the |  | | Journal (article/letter/editorial) | | Damaraland Lamprophyres and Carbonatites, Northwestern Namibia: Evidence for PlumeâLithosphere Interactions ANTON...igneous complexes in Damaraland, northwestern Namibia. Lamprophyres, emplaced as late-stage dykes, stocks...WORDS: geochemistry; lamprophyre carbonatite; Namibia; Tristan plume âCorresponding author. Telephone:+27-21-650-2921...complexes extend through Damaraland in northwestern Namibia (Fig. 1) and provide an example of the contiguous... 1. Simplified geological map of northwestern Namibia, showing the main outcrop regions of the Etendeka |  | | 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 |  | BĂźhn, B., Rankin, A.H., Schneider, J., Dulski, P. (2002) The nature of orthomagmatic, carbonatitic fluids precipitating REE,Sr-rich fluorite: fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chemical Geology, 186 (1) 75-98 doi:10.1016/s0009-2541(01)00421-1 | Journal (article/letter/editorial) | | luid-inclusion evidence from the Okorusu f luorite deposit, Namibia B. BuĚhn a,*, A.H. Rankin b, J. Schneider...March 2001; accepted 7 December 2001 Abstract The Okorusu fluorite deposit occurs in Pan-African carbonaceous...northern Namibia. The epigenetic mineralization formed from fluids expelled from the Cretaceous Okorusu carbonatite...70458 â 0.70459, which are close to those of the Okorusu carbonatite. Primary and secondary aqueous fluid...than recorded for the fluorites and associated Okorusu carbonatite. Crush analysis of the bulk quartz |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | Canada c GeoAfrica, P.O. Box 24218, Windhoek, Namibia d Telemark, Fylkeshuset, Postboks 2163, 3103 Tønsberg...g. veined aegirine-albite fenite; brecciated orthoclase fenite. Here 134 it is worth mentioning the...One 268 example of this process is the Okorusu fenite, Namibia, which displays undulating or 269 scalloped...Willem, Namibia (Reid and Cooper, 1992); Toror Hills, Uganda (Sutherland, 1965b) 343 and Okorusu, Namibia...fluids from inclusions at the Okorusu and Kalkfeld 411 carbonatites, Namibia (BĂźhn et al., 2002). This |  | | 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 didnât know with a shotgun |  | | 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 (issue) | | cover Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection;...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...Cerussite twins on matrix, 6.5 cm, from the Grand Reef mine, Aravaipa district, Graham County, Arizona. Ken |  | | Journal (article/letter/editorial) | | in India [9]; Kangankunde in Malawi [10]; Okorusu in Namibia [11]; Barra do ItapirapuĂŁ in Brazil [12];...Sr silicate glass (Sr, 442); albite (Na, 176); orthoclase (K, 182); Al2 O3 (Al, 128); F-apatite (Ca, 115;...inclusions in carbonatites of the Central Tuva region is described in [37]. The concentrations of Na...crystalâfluid inclusions in the Western Transbaikalia region were collected from Yuznoe and Arshan REE-carbonatites...investigated the Carbonatites of the Central Tuva region. In this study, we present new data in conjunction |  | | Journal (article/letter/editorial) | | intrusives with and without associated carbonatite, Namibia B. BuĚhn a,b,*, R.B. Trumbull c a Institut fur...from the Cretaceous Damaraland igneous province (Namibia), one with and one without associated carbonatite...Ijolite; Nepheline foidite; Nepheline syenite; Namibia * Corresponding author. Instituto de GeocieĚncias...Early Cretaceous Damaraland igneous province in Namibia, one of which is associated with carbonatite, while...Damaraland Igneous Province in northwestern central Namibia, and occur within 15 km of each other (Fig. 1) |  | Cheilletz, Alain, Gasquet, Dominique, Filali, Fouad, Archibald, Douglas A., Nespolo, Massimo (2010) A late Triassic 40Ar/39Ar age for the El Hammam high-REE fluorite deposit (Morocco): mineralization related to the Central Atlantic Magmatic Province?. Mineralium Deposita, 45 (4) 323-329 doi:10.1007/s00126-010-0282-y | Journal (article/letter/editorial) | | Springer-Verlag 2010 Abstract El Hammam is the only fluorite mine in Morocco (production 100,000 t/year). The fluorite...Variscan Massif (45 km SW of Meknès, Morocco). The mine lies on the right bank of the Boutoukret wad (river)...area is summarized by Izart et al. (2001). The region is dominated by Palaeozoic shales and limestones...33Ë35â U LO US G FO IT RM HA C U BO K BO U Mine GUEROUANE DJ SUD J main fluorite vein El Hammam...France. The samples were collected in the underground mine in several workings: K-East (ELH 05-01, ELH 05-02) |  | Gwalani, L. G., Rogers, K. A., DemĂŠny, 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...Ridge (or Yungul Hill) at Speewah in the Kimberley region showing the location of the Yungul carbonatite...Cretaceous/Tertiary boundary (65 Ma) Okurusu, Namibia Carbonatite and limestone Gwalani et al. (1993) |  | | 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) | | Famous mineral localities: The Erongo Mountains, Namibia . . . . . . . . . . . . . . . . . . . . . . . ...schorl and feldspar, from the Erongo Mountains, Namibia. Desmond Sacco collection; Bruce Cairncross photo...mineralogical treasures of the Erongo Mountains in Namibia. Uliâs financial support made possible the inclusion...important assignment at the Shinkolobwe uranium mine. His supervisor was Johannes Vaes (1902â1978). Gilbert...Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded with minerals |  | | Book | | 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...iron-rich sediments of Benavi Area in Kurdistan Region â Northern Iraq Yassin, AT and Mahmoud, MM 781 |  | | Journal (issue) | | stones from the Mendips, selenite from the Mountfield mine, Sussex; a calcite from South Wales which unusually...Tsumeb mine, Namibia and three beautiful fluorites from Illinois USA; Hunan, China and the Okorusu mine...mine in Namibia. The conditions were just right for an auction and bids came from all around the room. Several...including some fine white feldspar crystals of orthoclase and albite and other rock-forming minerals such...of the siderite epimorph from the Virtuous Lady mine in Devon. ⢠16 - SMLS Journal 211 Jan/Feb 2008 |  | | Journal (article/letter/editorial) | | endoskarn abundance in CuâZn skarns at the Empire Mine, Idaho, USA Zhaoshan Changa,*, L.D. Meinertb a ...in some CuâZn skarn deposits such as the Empire Mine in Idaho. Important features include: (1) quartz...localities such as the world-class CuâZn 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 |  | Lustrino, Michele, Melluso, Leone, Brotzu, Pietro, Gomes, Celso B., Morbidelli, Lucio, Muzio, Rossana, Ruberti, Excelso, Tassinari, Colombo C.G. (2005) Petrogenesis of the early Cretaceous Valle Chico igneous complex (SE Uruguay): Relationships with ParanĂĄâEtendeka magmatism. Lithos, 82 (3) 407-434 doi:10.1016/j.lithos.2004.07.004 | Journal (article/letter/editorial) | | VC and the coeval Paresis granitoids (Etendeka, Namibia) are evidenced in this paper. The genetic similarities...latites (s.l.) of the Awahab Formation (Etendeka region, Namibia). D 2005 Elsevier B.V. All rights reserved...are located in Angola (Marzoli et al., 1999) and Namibia (Etendeka; Ewart et al., 1998a,b, 2004a,b; Thompson...mostly concentrated in the coastal Etendeka region in Namibia (Marsh et al., 2001; Ewart et al., 2004b)...Brazil, Bolivia, Paraguay, Uruguay, Angola and Namibia (Darbyshire and Fletcher, 1979; Almeida, 1983; |  | | Journal (article/letter/editorial) | | Tanzania, and one occurrence in Zambia); (b) Namibia and Angola; (c) Eastern Russia (East Tuva, Enisei...2 6.2 2.7 Sokli 62.9 21.6 34.4 13.5 21.5 27.8 Okorusu 8.2 0.2 2.7 2.7 32.7 4.9 Lueshe 4.4 2.8 64.6 0...Potassic fenites consist mainly of K-rich feldspars (orthoclase or microcline), and in some cases may contain...recognised, such as the Swartbooisdrift complex, Namibia (DrĂźppel et al. 2005) and the GiďŹord Creek ferrocarbonatite...in millimetres (d) Pyrochlore concentrate, Niobec Mine, Quebec, Canada; scale in millimetres. forming |  | Pirajno, Franco, GonzĂĄlez-Ălvarez, Ignacio, Chen, Wei, Kyser, Kurt T., Simonetti, Antonio, Leduc, Evelyne, leGras, Monica (2014) The Gifford Creek Ferrocarbonatite Complex, Gascoyne Province, Western Australia: Associated fenitic alteration and a putative link with the ~1075Ma Warakurna LIP. Lithos, 202. 100-119 doi:10.1016/j.lithos.2014.05.012 | Journal (article/letter/editorial) | | Shawa and Gunga (Zimbabwe), Okorusu, Kalkfeld and Ondurakorume (Namibia), the giant Bayan Obo (China)... Wollastonite (Ca, Si), Durango Apatite (F), Orthoclase (K), Kakanui Pyrope (Al), Spessartine (Mn) and...fluidised texture, with cloudy feldspars (albite and orthoclase?) within a crushed matrix, and MA NU with Fe...PT and are characterised by the presence of orthoclase, albite, riebeckite, arfvedsonite, aegirine and...occur. With advancing fenitisation, albite and orthoclase become abundant, with acicular aegirine intergrown |  | | Journal (issue) | | from Brazil has an iridescent chatoyancy Grey orthoclase moonstone from Sri Lanka has a unique combination...strong cat's-eye caused by an albite-oligoclase orthoclase perthite. Four-rayed star tourmaline (bicolour...scraped from the girdle; the results indicate orthoclase feldspar, which confirms its identity as a moonstone...Vishnevye Mts. in the Urals, a famous pegmatite region about 100 km south of Ekaterinberg, were purchased...values, the feldspar could be orthoclase, perthite (albite - oligoclase orthoclase intergrowths) or peristerite |
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