 | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...Highland with Gamsberg 11 lnselberge, Helmeringhausen 2 AiAiba 3 Rail ay station Garub near Aus Nature...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...RossingMountains The Central Escarpment- The Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and...s Onganja Mine and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and |  | | Catalog/List | | it collected when the Tsumeb Mine (as well as other mines of the region) were still in production in...climbing soon brought him into contact with the quartz crystals that were found on the mountain slopes...engineering work took him to the Tsumeb Mine in Namibia. This mine is renowned for producing what are arguably...remote and desert-like "Sperrgebiet" area of the southern coast of Namibia, with its fabulous wealth of gem...Ian’s interest stems from the family trips to Namibia, including the mines of Tsumeb. He worked with |  | | Book | | .,,., ..,,.... w + ..... . ·. .... . - Namibia Zauberwelt edler Steine und Kristalle ooa Dieses...Erdgeschichte 8 Zur Geschichte des Bergbaus in Namibia 17 Der Brandberg und die Mineralfunde in seiner...110 Auf Turmalinsuche in Namibia Die Demantoide von Tubussis in Zentral-Namibia 112 116 Sodalith von...Zeolithe vom Grootbergpaß in Namibia Kamphaugit-(Y) von der Rössing-Mine 120 124 126 136 Das Gahnit-Vorkommen...alpinotypen Klüfte aus der Gamsberg-Region 180 Die grünen „Amethyste" aus der Region des Gamsberges 195 |  | | 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unpublished.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) | | Russian) were vying for ultimate control of the region. Hurtado’s dogged research and attention to small...C. Leicht Kristalle Laguna Beach, California Namibia Minerals and Localities by Ludi von Bezing, in...perfect introduction line to this book review. Namibia Minerals and Localities is a massive tome, 856...personal collection from the region. He has traveled extensively in Namibia, collecting data on most of...it documents most of the mineral localities in Namibia, including currently operating and defunct mines |  | | Report (issue) | | wolframite, topaz, fluorite, apatite, tourmaline, quartz (greisen); grossular–andradite, diopside, vesuvianite...crystals include: from Sweden, at the Bispberg iron mine, near Säter, Dalarne. In Germany, from Altenberg...In the Natas mine, about 80 km south of Windhoek, Namibia. Large crystals from the Tae wha mine, Chungju...the Cohen mine, Dragoon Mountains, Cochise Co.; commercially mined at the Pine Creek mine, near Bishop...Mitopilas, Sonora, Mexico. In the Morro Velho gold mine, Nova Lima, Minas Gerais, Brazil. Name: Honors Karl |  | | Journal (article/letter/editorial) | | the 447 448 FRANK L. HESS. feldsparby rodsof quartz. Graphicgranite,however,was only one constituentof...composition may includelittle morethan feld- spar,quartz,muscovite anda littleblacktourmaline; themass maybemostlyquartz...Metamorphicpegmatites a Progressivelyreplaceddikes Subsequent quartz veins b Pipes Peg.matiteDikes. GraniticPegmatiteDikes...ikesare made up of distinctlygranitoidminerals•quartz,potashfeldspars, and in most,muscovite,in othersbiotite...edges. Usually graphic granite, black tourmaline, quartz and a little muscoviteshow the work of later solutions |  | | Catalog/List | | crust on matrix .About a large Ix2 area on 2x2 rock. Bambolla Mine, Moctezuma Mexico £20 2. HEMATITE...quite a rich piece of grey masses in quartz, ½x½ £9 Bambolla mine , Moctezuma, Mexico 8. NATIVE COPPER...exposed cleavage surface. overall about 2x2 Mission Mine, Pima County, Arizona USA £20 10. NATIVE SILVER...bluish surface due to Bornite coating. La Noria mine, San Martin, Zacatecas Mexico £15 ' 11. NATIVE GOLD...1cm magnetite with minor scheelite, Natas Mine.Okahandja, Namibia £6 13. METEORITE rounded about one inch |  | | Catalog/List | | sunbust effect , cut and polished slab 2.5 xl .5 Mine de L' Etoile Congo £20 3. LEPIDOLITE, choice display...piece of fine pale green fibrous mass with some quartz. 3x2 South Norway £6 Selasvatn 9. TOURMALINE...NATIVE SILVER thin sheet about lxl.5 inches La Noria mine, San Martin, Zacatecas Mexico £15 , 16. NATIVE COPPER...nice Ix 2.5 inch exposed cleavage surface. Mission Mine, Pima County, Arizona USA £25 17. GRAPHITE, pure...up well for display. interesting location Niobec Mine, Quebec, Canada £25 19. PYRITE a very sharp 2cm |  | | Journal (article/letter/editorial) | | where found, they occur chiefly in or neir the quartz cores as very late minerals in the pegmatite. Bismuth...in a weathered pegmatite on the dump of the King Mine in the Shelby-Hickory District of North Carolina...gold has been re ported from pegmatite at the Natas Mine in southwestern Africa with scheelite and typical...with spodumene, green tourmaline, rnuscovite, and quartz, presumably formed as; a late stage mineral in...noted in a lithium pegmatite with lepidolite and quartz at Trajarvi, Finland. Silver Rare minute blebs |  | | Journal (article/letter/editorial) | | Arriba County, New Mexico; from the Harney Peak region of South Dakota; the Reagan mining district, Kern...rare mineral in the pegmatites of the Mt. Antero region. Noted in grains also at Shaft 7 near Fishkill...pegmatite. In the eastern and southeastern Adirondack region of New York particularly at Ticonderoga it occurs...occurs in graphitic quartzites, in small quartz veins, and in pegmatites. At Lewiston. Yarmouth, and Madrid...Nevis ville, Union County, Georgia. It has been mine on San Augustin Peak, Organ mounmined from a pegmatite |  | | Catalog/List | | massive with minor Celsian and Bementite from Benallt Mine, Lleyn, Wales, (Recently tested by XRD) lxl £4 lx2...£15 £6 88 ADAMITE Ojuela Mine, Mapimi, Mexico 1036 ALSTONITE Fallowfield Mine, Northumberland Colourless...x2 £ 1.50 2x2 £3 Al SO/4 767 ■ AJOITE Christmas Mine, Gila County, Arizona USA 14 ALUMINITE Railway cutting...white sheafy, masses single blue 3mm crystal on quartz TiO lxl £3 Ix2 £5 2x2 £10 feldspar £5 ····- ~-------·-·--...~-------·-·-- ·· -·· 1077 ■■ ALLOPHANE Hawkswood Mine, Cornwall 933 ANATASE Hingston Quarry,Cornwall Black |  | | Journal (article/letter/editorial) | | described from a depth of 720 m in a drill core on the farm Drakenstein 263 some 20 km northwest of Hotazel...assemblage of Fe-pumpellyite, chlorite, albite, and quartz, before paleosol development. The subsequent paleo-alteration...Asbesheuwels I iron-formations J~ Campbellrand J~carb°natas "~1 FC~ Dip of strata Shale i i Dwyka Diamictite...setting on a pre-Karoo paleogeological map of the area (A), and stratigraphic position and detail of alteration...peb- 243 bles in the basal conglomerate at Sishen mine, are randomly dispersed (Kirshvink and Beukes, in |  | | Report (issue) | | and microcline from Pakistan's world famous Gilgit area. The schorl is 4. 7 cm high. Photo Jeff Scovil;...elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...circa 1910 view of the old mine portal on the north side of the Himalaya Mine in San Diego County, CA....suspicion is, at present, unfounded. The Bower Powers Farm in Pierrepont, New York has been the source of fine...a peculiar quartz-diopside rock type that consists of ab solutely white diopside, quartz and calcite |  | | Book | | Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...the Yale Farm, about two miles northeast of the town of Litchfield, where a mass of white quartz on a ridge...ridge had once been mined for quartz, and large ilmenite masses could be seen on the old dumps. In 1975-1976...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...only about distance from a better known town in the area but also about the administrative regional units...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country |  | | Book | | F'otografie: Fotobanka Granit (l 00), Petr Korbel (220), Geza Kulcsar (16), Jeffry A. Scovil (331 ), Sandor...known to 1umankind since prehistoric times such as quartz 1nd gold, but also ~minerals first described quite...Tsumeb, Namibia and Chessy, France. Crystals up to 140mm (5½ in) long occurred in the Ray mine and in...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates |  | | Book | | Fptografie: Fotobanka Granit (100), Petr Korbel (220), Geza Kulcsar (16), Jeffry A. Scovil (331), Sandor...known to humankind since prehistoric times such as quartz and gold, but also minerals first described quite...Tsumcb, Namibia and Chessy. France. Crystals up to 140mm (5'A in) long occurred in the Ray mine and in...100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...secondary. It occurs with pyrite, arsenopyrite, quartz, sylvanite. calaverite. krennerite and other minerals |  | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...rock-forming minerals, among the commonest being quartz, feldspars, amphiboles, pyroxenes, micas, olivine...in CaO, FeO and MgO. They are mostly composed of quartz, feldspars, micas and, occasionally, of pyroxenes...minerals of economic value, such as feldspars, quartz and micas, often in crystals of considerable size...the hydrothermal formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals | | | Book | | rock-forming minerals, among the commonest being quartz, feldspars, amphiboles, pyroxenes, micas, olivine...in CaO, FeO and MgO. They are mostly composed of quartz, feldspars, micas and, occasionally, of pyroxenes...minerals of economic value, such as feldspars, quartz and micas, often in crystals of considerable size...the hydrothermal formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals...ilmenite. Lighter, non-metallic minerals, such as quartz or feldspars, may also be found in large deposits |  | Parker, R. L., Stalder, H. A., de Quervain, F., Niggli, E., Graeser, St. (1973) Die Mineralfunde Der Schweiz (2nd ed.) Verlag Wepf & Co., Basel. | Book (edition) | | grol3raumigen Anordnung gibt es aber innerhalb einer Region stets Ver dichtungen und Verdiinnungen der Mineralvorkommen...Epidot-Prehnit-Zeolith-Paragenese 7 aus der gleichen Region (10g), die umgekehrt den relativ niedrigsten Bildungs...Bildungs temperaturen (und -driicken) dieser Region entspricht. Der Bildmzgsdruck iibt auf die in einer...Aiguilles Rouges), pen ninische und ostalpine Region, nordliche Kalkalpenzone und Juragebirge eine flir...Kalkalpenzone, helvetische Region ; 6 Nord liche Kalkalpenzone, romanische Region ; 7 Aarmassiv; 8 Gotthardmassiv |  | | Book | | photographs on the cover Editor Robert F. Martin Quartz, variety amethyst, sceptre habit, Denny Mountain...Publisher Info 1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian...AGMV Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo...Ken Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil |  | | Journal (issue) | | mass LANC ET DES A - Topa ze sur microcline et quartz - 9 x 8 cm, Cristal: 3,2 x 3 x 2,8 cm Guoligongshan...Bayle Pseudomorphose dejluorite (?) en silice sur quartz fum é Cubes: 3 mm Carrière de kaolin de Berrien...NETIOYER LES MINÉRAUX? Daniel GOL LE KAOLIN ET LE QUARTZ DE BERRIEN (FINISTÈRE) Murielle LE GALL, André...minéraux "d'ici et d'ailleurs". Les grandes plaques de quartz alpin ou de fluorite attireront le regard, mais... inclus dans parfaitement gemmes, de teinte le quartz ou la muscovite. jaunâtre, crème, verdâtre à bleu |  | | Book | | so plentiful as to be available to every working mine, mill, and development. In a word, western mining...Other contributors are Verne C. McCutchan, State Mine Inspector of Arizona; J. C. “Buck” O’Donnell, of...Assaying and the Art of Salting 33 Custom Assaying Mine Assaying Salting The Growth of the Mining Districts...108 Mining Claims Washing The New Almaden Mercury Mine Sluices Disposition of Gold Dust III 113 118 121...VIII: Colorado Mining Days The Pikes Peak Gold Rush Mine Operations Present and Past The Western Miner and |  | | Book | | and occurrence of Quartz alone in just one group of ore deposits (the gold-quartz deposits), and he will...places of extreme differentiation (e.g., at the Frood Mine and at Insizwa) bismuth and tellurium minerals are... The peculiar bornite occurrences in the Ookiep area, Cape Province, are on one hand typical transition...(1940). 12 T H E ORE MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border...("solutions", "melts", and " v a p o r s ' " in this region are not sharply distinguishable). However, this |
|
