 | | 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 |  | | 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 (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...other things, credited with promoting research on andradite gamet (the dematoid variety) from the abandoned...exploring the underground workings of an historic gold mine in the Brusson area, Val d' Ayas, western Alps. |  | | 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 |  | | 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 |  | Chakhmouradian, A. R., Cooper, M. A., Medici, L., Hawthorne, F. C., Adar, F. (2008) FLUORINE-RICH HIBSCHITE FROM SILICOCARBONATITE, AFRIKANDA COMPLEX, RUSSIA: CRYSTAL CHEMISTRY AND CONDITIONS OF CRYSTALLIZATION. The Canadian Mineralogist, 46 (4) 1033-1042 doi:10.3749/canmin.46.4.1033 | Journal (article/letter/editorial) | | and Adr stand for the grossular, katoite and andradite, respectively, and Fgr denotes the hypothetical...Adr reprĂ©sent les pĂŽles grossulaire, katoite et andradite, respectivement, et Fgr reprĂ©sente le pĂŽle hypothĂ©tique...refined previously is spessartine from the Henderson mine in Colorado (Smyth et al. 1990). The data presented...crystals of octahedral morphology with H2O-bearing andradite in their core. The crystal chemistry of this garnet...in the literature to date are members of the andraditeâgrossular (AdrâGrs) series with <10 mol.% Kt (Table |  | Wall, F., Niku-Paavola, V. N., Storey, C., Muller, A., Jeffries, T. (2008) XENOTIME-(Y) FROM CARBONATITE DYKES AT LOFDAL, NAMIBIA: UNUSUALLY LOW LREE:HREE RATIO IN CARBONATITE, AND THE FIRST DATING OF XENOTIME OVERGROWTHS ON ZIRCON. The Canadian Mineralogist, 46 (4) 861-877 doi:10.3749/canmin.46.4.861 | Journal (article/letter/editorial) | | XENOTIME-(Y) FROM CARBONATITE DYKES AT LOFDAL, NAMIBIA: UNUSUALLY LOW LREE:HREE RATIO IN CARBONATITE,...1, Aviation Road, Private Bag 13297, Windhoek, Namibia Craig STOREY Department of Earth Sciences, University...very rare in carbonatite. Uniquely, at Lofdal, Namibia, xenotime-(Y) occurs in many carbonatite dykes... in situ dating, LAâICPâMS technique, Lofdal, Namibia. § E-mail address: f.wall@exeter.ac.uk 862...Malawi (Wall & Mariano 1996). However at Lofdal, Namibia, xenotime-(Y) is a common accessory mineral in |  | | 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 (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 |  | Xu, Cheng, Kynicky, Jindrich, Chakhmouradian, Anton R., Campbell, Ian H., Allen, Charlotte M. (2010) Trace-element modeling of the magmatic evolution of rare-earth-rich carbonatite from the Miaoya deposit, Central China. Lithos, 118 (1) 145-155 doi:10.1016/j.lithos.2010.04.003 | Journal (article/letter/editorial) | | framework and tectonic evolution of the Qinling region are given in Meng and Zhang (2000), Ratschbacher...(Sr and Lα). For the analysis of REE minerals, andradite (Si and Fe, Kα line for both), wollastonite (Ca...ïŹuorapatite, ïŹuorapatite (Ca, P, F, and Kα), andradite (Si and Kα), celestine (Sr and Lα) and the aforementioned...previously reported only from the Lofdal carbonatite in Namibia (Wall et al., 2008). BastnĂ€site-(Ce) and synchysite-(Ce)...magmas: implications from natural carbonatites, Namibia. Mineralogy and Petrology 92, 453â470. C. Xu |  | | Journal (article/letter/editorial) | | Rare-Earth Element Geochemistry of Nb-V Rich Andradite-Schorlomite-Morimotoite Garnet from Ambadungar-Saidivasan...Rare-Earth Element Geochemistry of Nb-V Rich Andradite-SchorlomiteMorimotoite Garnet from Ambadungar-Saidivasan...genesis. The garnets are characterized by high andradite (42.7â57.3), schorolomite (22.0â31.0), and morimotoite...the primary ligands. Keywords: Ti-rich garnet; andradite-schorlomite-morimotoite; REE; Ambadungar-Saidivasan;...igneous and metasomaticandradite-grossularite andradite-grossularitegarnets garnetsbased based on on chemical |  | | 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 |  | Stoppa, Francesco, Schiazza, Mariangela, Rosatelli, Gianluigi, Castorina, Francesca, Sharygin, Victor V., Ambrosio, Francesco Antonio, Vicentini, Noemi (2019) Italian carbonatite system: From mantle to ore-deposit. Ore Geology Reviews, 114. 103041 doi:10.1016/j.oregeorev.2019.103041 | Journal (article/letter/editorial) | | Pianciano, Ficoreto and Forcinelle in the Roman Region demonstrates that Italian carbonatites are not...and Ca silicates (monticellite, melilite, AL andradite). Under carbothermal conditions, carbonate breakdown...Italy in a large volcanic area, named âThe Roman Regionâ (RR) by Washington (1906) (Fig. 1). Locardi (1990)... PR India (Viladkar et al., 2019). AL ROMAN REGION CARBONATITE OCCURRENCES Subvolcanic carbonatites...carbonate matrix of the tuffisite (Fig. 2e). Andradite coronas occur at contacts between lapilli and |  | | Journal (issue) | | Colorado and Russia. Having trave led oft en in Namibia, I was thrilled to see the recently identified...Occurrence of irhtemite and adelite at the Mercur Mine, Tooele Co., Utah; the western hemisph ere's first...good specime ns do exist. Maybe nex t year ... Namibia had also produced some dioptase specimens from...suggesti ng good dioptase may continue to come from Namibia. Several Chinese d ealers brought large specimens...cm quartz matrix whether it is an from Navegador Mine, Conselheiro Pena, Minas industrial product? Gerais |  | | Journal (issue) | | and Smelting Company of British Columbia, and the Mine and Exploration Division of the Canadian Forestry...âThe Mineralogy and Geology of the Silence Lake Mineâ was published in Lapis (May 1985), and he was a...Colorado he worked as a miner at the Climax molybdenum mine. Benjy married Elizabeth Ann Spangler, and they...volume 51, SeptemberâOctober, 2020 famous Franklin mine. Russell and Alexandra were married soon after meeting...com | w w w. FineMineral.com Colorado Quartz Mine, California, USA 6 cm Rudolph Now accepting |  | | Journal (issue) | | Vishnevye Mts. in the Urals, a famous pegmatite region about 100 km south of Ekaterinberg, were purchased...exploration potential that exists in the surrounding region. Historical background Archaeologically, nephrite...were promoted as the principle nephrite-producing region for the Soviet Bloc countries and this appears...structural high and the oldest tectonic element in the region. These Precambrian rocks are unconformably overlain...rocks underlie an area of almost 100 km 2 in the region and host economically important mineral deposits |  | Amores-Casals, , Melgarejo, , Bambi, , Gonçalves, , Morais, , Manuel, , Neto, , Costanzo, , Molist, (2019) Lamprophyre-Carbonatite Magma Mingling and Subsolidus Processes as Key Controls on Critical Element Concentration in CarbonatitesâThe Bonga Complex (Angola) Minerals, 9 (10) 601 doi:10.3390/min9100601 | Journal (article/letter/editorial) | | the Atlantic, forming part of the Parana-Angola-Namibia alkaline province [78â80]. The Lucapa extensional...replaced the primary associationsâlate rutile, andradite-schorlomite and a late Na-rich alteration by aspidolite...carbonatite complexes belonging to the ParanĂĄ-Angola-Namibia carbonatite province, Minerals 2019, 9, 601 ...area), primary 0 from the central0units Bonga (blue region) and primary of Tchivira (green pyrochlore area)...pyrochlore from the volcanic complex by Bambi [68]. region) and primary pyrochlore from of theCatanda volcanic(orange) |  | | Catalog/List | | of Crystallized Gold from the famed Eagleâs Nest Mine in California A superb Crystallized âLeafâ Gold...gemstone Amethyst to come from the famed Four Peaks Mine in Arizona A sharp and complicated Crystallized...Crystallized Silver with Copper from the famed Wolverine Mine in Michigan A âclassicâ Rhodochrosite with associated...associated Pyrite and Quartz from the Sweet Home Mine in Colorado An unusually massive and extremely colorful...colorful, Smithsonite from the iconic Kelly Mine in New Mexico A âgemâ quality specimen Tanzanite crystal in |  | | Journal (issue) | | have been mined in several Tavras' (mines) in the region of Santa Maria, and were of such a good sky-blue...paper. Teramae, Hirata and Soeda, colleagues of mine at Central Gem Laboratory, are thanked for their...Association tour: lab, gem collection âą Steinkaulenberg mine tour âą Historic and modern gem cutting workshop...(Figure 13 lower) and lack peaks in the 4-5000 cm"1 region, a spectrum clearly different from that of blue...'Seraphinite', cloudy amber beads from the Baltic region which display a wood-like texture, and a group |  | | Journal (issue) | | those of spessartine from from Kunene Kunene (Namibia), (Namibia),while while those those of of brown-orange...boundary boundary river river between between Namibia Namibia and and Angola, Angola, but but became became...the the northern northern edge edge of of Namibia, Namibia, near near the the border border with with... n Locality Nigeria 6 1.801-1.803 Rutherford Mine, Virginia1 1.802(3) Taita Hills, Kenya 2 1.795-1...(with end members uvarovite, grossularite and andradite) and pyralspite (with end members pyrope, almandine |  | | Journal (issue) | | samsonite emerged from just two pockets in the Samson mine. St. Andreasberg is also known for its fine specimens...including the Brocken, is placid and bucolicâa region, as Bancroft (1984) puts it, âof beauty: gently...in the St. Andreasberg Districtâs renowned Samson mine ceased in 1910, but in 1950 the Samson Pit Mining...taken on mine tours from there. And since 2001 the Harz Roller Canary Museum, at the Samson mine pithead...discoveries of ore in a (then) nearly untapped region of the Harz Mountains. The mineral-rich hill was |  | | Journal (issue) | | Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer... from left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini...the words of the original discoverers. Adelaide Mine, Tasmania, 1971, 2012 Albert Chapman wrote one such |  | | Journal (article/letter/editorial) | | compositionally intermediate with respect to andradite, schorlomite, kimzeyite and morimotoite; deuteric...Simonetti, 1996; Zaitsev and Keller, in press), Okorusu in Namibia (Le Roex and Lanyon, 1998), Lower Sayan in...of primitive alkali-ultramafic rocks across the region, and the mineralogy of upper-mantle and lowercrust...(Eds.), Phoscorites and carbonatites from mantle to mine: the key example of the Kola Alkaline Province....carbonatites of the Khalyuta deposit (western Transbaikal region, Russia). Geol. Ore Depos. 38, 390â400. A.R. |  | Doroshkevich, Anna G., Veksler, Ilya V., Klemd, Reiner, Khromova, Elena A., Izbrodin, Ivan A. (2017) Trace-element composition of minerals and rocks in the Belaya Zima carbonatite complex (Russia): Implications for the mechanisms of magma evolution and carbonatite formation. Lithos, 284. 91-108 doi:10.1016/j.lithos.2017.04.003 | Journal (article/letter/editorial) | | river Zima in the Tulun district of the Irkutsk region in southern Siberia. The Belaya Zima carbonatites...Ti, covering the compositional range between andradite and schorlomite, with decreasing schorlomite and...morimotoite components T and an increasing andradite component from the melteigite to the ijolite-urtite...fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chemical Geology 186, 75â98. doi:10 |
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