 | | Journal (issue) | | Articles Famous mineral localities: The Erongo Mountains, Namibia . . . . . . . . . . . . . . . . . . ....cm, with schorl and feldspar, from the Erongo Mountains, Namibia. Desmond Sacco collection; Bruce Cairncross...on the mineralogical treasures of the Erongo Mountains in Namibia. Uli’s financial support made possible...Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded with minerals...SMALE Famous Mineral Localities: g{x Erongo Mountains Namibia Bruce Cairncross Department of Geology |  | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 . :~~..,-::__ ::...,.;_...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Desertand Escarpment The Spitzkoppen The Erongo Mountains The RossingMountains The Central Escarpment- The ...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275 |  | | Journal (article/letter/editorial) | | Actinolite, Quebec, 498 Adamite, Nevada, 514 Agardite–(Y), Nevada, 515 Agate (fire), Arizona, 22 Agate, Turkey...124–32 Bahmann, U., Raspite from the Erongo Mountains, Namibia, 272–74 Baileychlore, 319 Bailey, D. G...326–30 C Cairncross, B., Raspite from the Erongo Mountains, Namibia, 272–74 Calaverite, Cripple Creek, Colorado...146–50 Collector’s Note, Raspite from the Erongo Mountains, Namibia, B. Cairncross, H. Van Niekerk, C. Reineke...Autonomous Region, China, R. B. Cook, 242–48; Spessartine, Marienfluss, Northern Namibia, R. B. Cook |  | | Journal (article/letter/editorial) | | phosphate mineralization in the northern Appalachian Mountains. Chemical analyses of the secondary phosphates...or along crystal rims. Monazite(Ce) is low in xenotime-(Y) component, but large amounts of La and Nd substitute...chevkinite-(Ce), fergusonite(Y), monazite-(Ce), polycrase-(Y), xenotime-(Y), and zircon. Allanite-(Ce)...common in the pegmatites from the Adirondack Mountains. The largest crystals were described at Mineville...cryptocrystalline silica and a mixture of Ti oxide. Fergusonite-(Y), collected from the Roe Spar pegmatite, occurs as |  | | Journal (issue) | | Krasny Chikoy, Transbaikalia, Eastern Siberian Region, Russia .........................................x 2.0cm 239 Azurite and Cerussite, Tsumeb, Namibia, 8 cm Photo: Malte Sickinger MARCUS BUDIL Monaco...Krasny Chikoy, Transbaikalia, Eastern Siberian Region, Russia Jindr=ich Kynický,1 Jan Kynický,2 Bryan...INTRODUCTION Gem tourmaline from Russian’s Transbaikalia region has become a valuable part of our global mineral...Chikoy, Chitinskaya Oblast, central Transbaikalia region in Zabaykalsky Krai, Eastern Siberia, Russia. The |  | | Book | | Page 248: Quartz (amethyst variety), Erongo Mountains, Namibia * 5 x 6 x 3 cm Page 251: Calcite, Irai...Serbia ¢ tixex7 cm LEFT: Fluorite, Taihang Shan Mountains, Hebei, China * (Sexes selem 10 | MINERALS:...hundred kilometers. Most of them orbit the Sun in a region called the asteroid belt, which is between the...thicker than acicular minerals. Massive sodalite, Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa...South Africa. Asia: eastern slope of the Ural Mountains, Russia; Mysore, India. Australia: Kalgoorlie | | | Book | | Page 248: Quartz (amethyst variety), Erongo Mountains, Namibia * 5 x 6 x 3 cm Page 251: Calcite, Irai...Serbia ¢ 11x8x7cm LEFT: Fluorite, Taihang Shan Mountains, Hebei, China * 19x13x1cm 10 | MINERALS: PRODUCTS...hundred kilometers. Most of them orbit the Sun in a region called the asteroid belt, which is between the...knife blade, tending to be long Massive sodalite, Namibia * 20 x 18 x 14. cm Bladed stibnite, Ichinokawa...11 x 7 cm Specific Gravity Cerussite, Tsumeb, Namibia * 12.5 x 10 x 75 cm a Specific gravity is closely |  | | Journal (issue) | | 5 cm. Rudnaya mine, Saranovskoye deposit, Perm' region, Urals, Russia. Specimen: Nazarovs. Photo: Michael...Kukisvumchorr Deposit (vol. 7), Kerch (vol. 8), Ilmeny Mountains (vol. 9), Volodarsk—Volynskii (vol. 12), Ural...efforts the texts in Almanac are improved great— (y both in style and essence. John is an active member...rocks (Ferschtater er al., 1994). The relief of the region is smooth and weakiy hilly (Figure 1). The pluton...and the accessory monazite, zireon (cyrtolite), xenotime, and columbite in them are only mentioned (apart |  | | Book | | '.:. :,.· ~'. ', •• 1, •,· \:_)\_?. '.:,y::_.;:' • .-.,··: ..,;'.-·.:·.;:/f/t'l.._._._,, '···••::::••...last, at www.MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege....extremely rare yttrium silicate-carbonate iimoriite-(Y) occurs at Trimouns as colorless, pink and pale brown...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing |  | | Book | | seen in aragonite (light and dark orange). (A þ D) Region A exhibiting polycrystalline calcite within the...calcite overgrowth crystal in the inset. (B þ E) Region B with a crack running through the crystal with...observed in the outer parts of the fracture. (C þ F) Region C shows calcite crystals (light blue color) extending...orientation of the reaction front in that particular region. The crystallographic directionality of the apatite...Ca(1) site (ninefold coordination), whereas the (Y þ heavy rare earth elements, HREE) favor the Ca(2) |  | | Book | | .................................. ....... 78 Namibia ........... ..... ................. ..... .......The treatment of historical details makes for highl y classic localities. Uraniun, and Lhorium mineralogy...n1ake use of depleted uranizan, which is essentiall y a very slightly radioactive waste product that re111ains...substantially as development activities continue in Namibia and in Niger, pa1ticularly at the large sandstone...studied. There are three predon1inant nat11 rall y occurring isotopes of uraniun1 and thoriun1, 238 U |  | | Journal (issue) | | pellyite. GEOLOGY Trumbull Peak is located within a region known as the western metamorphic belt (Bateman...dynamic metamorphism. The general geology of the region has been studied by Macdonald (1941) and Krauskopf...confined to either the spring or fall months, as the region can be quite hot during the summer. REFERENCES...Mineralogist, 60 (1975), 486-487.) A n n m m c in g y . . . a new photography service M INERALPHOTO.COM...ISSUES! A TREASURE TROVE OF MINERAL INFORMATION Y O U'LL RETURN TO AGAIN AND AGAIN! v.8/#5 C haracterization |  | | Book | | discredited, a variety, etc. T Tsumeb (vol. 8, no. 3) M y Michigan Copper Country (vol. 23, no. 2) Co. Company...Bariand & J. F. Poullen) 9:301-308 AGARDITE-(Y) Agardite-(Y), gysinite-(Nd) and other rare minerals from...Rare-earth minerals in the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli)...Cassedanne) 8:382-387 Amethyst from the Thunder Bay region, Ontario (by D. G. Ellion) 13:67-70 New data on...California (by G. H. H. Muehle) 2:171-173 A.,rrno:-.-Y, JOHN w. The Mineral Museum of the University of Arizona |  | | Book (edition) | | an inner solid region of diameter 2440 km and density about 8 gcm3, and an outer region about 2260 km...alumina, alkalis and the rarer elements. If the region is quiescent and all the magma solidifies in the...if about half way through crystallization, the region becomes 8 Rocks and the Processes That Formed...Miarolitic cavity in granite from the Mourne Mountains, Northern Ireland. A topaz with good crystal form...one example being Mount St Helens in the Rocky Mountains. At the felsic end of the range are rhyolites |  | | Book | | ovite Rocks within Meta-Ultramafites of Ilmen Mountains, South Urals of Russia: Evidence from Mineralogy...Enigmatic Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights...(Shakisso), Madagascar (Mananjary), Russia (Ural mountains), Zambia (Kafubu) and Zimbabwe (Sandawana)). Their...genesis of gem-quality sapphires from the Ilmen Mountains (South Urals, Russia) found in situ within ultramafites...on another occurrence of sapphires in the same region of the South Urals occurring in anorthosites (kyshtymites) |
|
Erongo Mountains, Karibib Constituency, Erongo Region, Namibia