 | | 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 |  | | Report (issue) | | MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA I 1990 Open File Report MRS 05 2 Abstract A...wide variety of semi-precious stones occur in Namibia, namely amazonite, the beryl varieties, chrysocolla...the most important semi-precious stones found in Namibia. The major deposits of these semi-precious stones...Introduction Since the German colonial period Namibia has been well known for the occurrence of semiprecious...throughout Namibia. 1. AMAZONITE The most important occurrences of amazonite in Namibia are those in |  | | Journal (article/letter/editorial) | | and tourmaline. Even the common minerals of microcline, bladed albite, and smoky quartz are enhanced...Jacobson (1993); Switzer (1939a, b) 4 Sawtooth Mountains, Boise, Custer and Elsmore counties, ID, USA ...Santa Teresa Mountains, Aravaipa district, Graham County, AZ, USA Santa Teresa Mountains NYF Miarolitic...batholith” biotite-hornblende granite quartz, microcline, beryl Moore (2009); Ross (1925) 7 South Platte...Lange, Tischendorf, and Krause (2004) 15 Strzegom region, Lower Silesia, Poland Biotite-hornblende granites |  | | Journal (article/letter/editorial) | | Kèshíkèté Qi County, Inner Mongolia Autonomous Region, China. Limpid complex fluorite crystals displaying...coloration. The fluorite mines of the Asturias region, in Spain, have produced some incredibly striking...often at shows as they once were. The Asturias region has three districts that are the most productive...Konrad 1984). Fluorite specimens from the Piemonte region of Italy are little known to most collectors in...(in German) or Krušné Hory (Czech), the Ore Mountains region that straddles the border between Germany |  | | Journal (article/letter/editorial) | | Japan-law twinning, 8 cm, from the “Messum Mountains,” Namibia. Smithsonian specimen cat. no. R16278, ken...the locality is given as Messum Mountains, Namibia. The “Messum Mountains” probably should more appropriately...circular igneous complex that includes the Orongo Mountains, the locality given for the other specimens herein...encountered some recent specimens from the Orongo Mountains of Namibia with similarly oriented Figure 4. Multiple...ROCKS & MINERALS quartz crystals attached to a microcline crystal matrix. Suddenly the mystery was resolved |  | | Journal (article/letter/editorial) | | 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...Fish: Life in the Ordovician Sea of the Cincinnati Region, J. St. John, 467–68; Studies on Agate: Microscopy |  | | Journal (article/letter/editorial) | | 73:378-99. POCKET PARAGENESIS OFTHE ERONGO PEGMATITES, NAMIBIA. R. M. Gentry’, M. A. W i d , and R....Place, Alexandria, VA 22304. The Erongo Mountains, located in western Namibia, is an area of recent mining...mineralogically simple pegmatites hosted by the Erongo Granite. A suite of minerals acquired from the...its subsequent chemical evolution. Quartz and microcline generally formed early; however, late-stage crystallization...is evident in some pockets. After quartz and microcline, tourmaline is arguably the next most abundant |  | | Journal (article/letter/editorial) | | Minerals include smoky quartz and Baveno-twinned microcline. Masutomi Museum specimen. Originally classified...indd 351 351 6/16/08 3:12:16 PM Figure 2. Microcline and smoky quartz from NYF miarolitic pegmatite...(anatexis) to marginal and exterior White Sea region, USSR; Appalachian Province; Rajahstan, India ...Boggs 1993); Klein Spitzkoppe and the Erongo Mountains, Namibia (Cairncross 2005; Cairncross and Bahmann... Famous mineral localities: Klein Spitzkoppe (Namibia). Mineralogical Record 36:317–35. Cairncross, B |  | Falster, Alexander U., Simmons, William B., Webber, Karen L., Boudreaux, Andrew P. (2018) Mineralogy and Geochemistry of the Erongo Sub-Volcanic Granite-Miarolitic-Pegmatite Complex, Erongo, Namibia. The Canadian Mineralogist, 56 (4) 425-449 doi:10.3749/canmin.1700090 | Journal (article/letter/editorial) | | GEOCHEMISTRY OF THE ERONGO SUB-VOLCANIC GRANITEMIAROLITIC-PEGMATITE COMPLEX, ERONGO, NAMIBIA ALEXANDER U. FALSTER§...early Cretaceous anorogenic, sub-volcanic Erongo Granite, Namibia, was emplaced into metasedimentary rocks...Neoproterozoic to Cambrian Damaran Orogeny. The Erongo Granite contains pegmatitic miaroles containing...quartz-tourmaline orbicules and the geochemistry of the Erongo Granite. Erongo miarolitic pegmatites are famous for spectacular...negative Eu anomaly. Relative to continental crust, Erongo Granite samples are depleted in Ba, Sr, and Ti |  | | Journal (article/letter/editorial) | | are those from the pegmatites of the New England region. From Maine, King and Foord (1994, p. 246) note...crystals singly and in groups associated with microcline and quartz. The Tin Queen mica mine, also in...cleavelandite variety of albite, lepidolite, and microcline. What made the microclines special were the muscovite...books of muscovite on the prism faces of the microcline just struck a chord with me. Other mines in the...collection is a schorl, altering to muscovite, in microcline from Villeneuve mine, Val-des-Bois, Papineau |  | | Journal (article/letter/editorial) | | Timing of Orogenetic Events in the Damara Belt (Namibia) U. Haack 1, E. Gohn 1, and J.A. Klein 2 1 GeochemischesInstitut...Geological Survey, P.O. Box 2168, 9100 Windhoek, SWA/Namibia Abstract. Six new Rb/Sr whole rock age determinations...investigations in an area between the Uis mine and the Erongo Mountains (Fig. 2) along the middle reaches of the Omaruru...the Damara Orogenic Belt in South West Africa/Namibia. This belt belongs to the Pan-African Orogeny (Clifford...20' 25' ~1 10 2," i I \ I [] 15' l ERONGO MOUNTAINS L O I i , WINDHOEK 20' 27 ~--'~ 5 |  | | Journal (issue) | | worldwide. However, most of the interest in this region lies in commercial amazonite collecting; very few...minerals in the PPB are the amazonitic variety of microcline, albite, smoky quartz, goethite, topaz, zinnwaldite...cleavelandite Bastnäsite* Beryl* Ferrocolumbite* Microcline v. amazonite 2 Quartz v. smoky Zinnwaldite*...lustrous, bipyramidal crystals usually seen on microcline; it probably occurs on other minerals, but without... intersecting at 60 and 120 o, on quartz and microcline; it is usually altered to an opaque bronze color |  | | Journal (article/letter/editorial) | | and Madagascar and within the Damara sequence in Namibia and morcovcr. within the Narnnqualand metamorphic...Mozambique, and Madagascar, and in the Damaran of Namibia (Figure 1). One of the largest, continuous regions...in Africa, is the Namaqualand-Gordonia-Kenhardt region or the Orange River pegmatite belt which is also...pegmatites vary to a great extent from one pegmatite region to another. In some areas lithium silicates are...Kamativi. Zimbabwe. 6. Bikita. Zimbabwe; 7. Karibib area. Namibia; 8. Noumas. Namaqualand. South Alrica: 9 |  | | Journal (issue) | | the high mountains of Afghanistan and Pakistan; Minas Gerais in Brazil; Mozambique and Namibia in Africa;...source of some amazing gem material. --.In fact, the region was one of the world's leading sources of gem tourmaline...(emeralds may be found in the exometasomatic contact region of some pegmatites with mafic country rocks), most...aquamarine and topaz crystals from the Erongo pegrnatites, Namibia. Figure 7 (right). Gem-quality elbaite...anatectic melts segregate and accumulate in the source region, ascend rapidly, and are emplaced quickly into |  | | Book | | Republic, 6 cm). Figure 1.2 Halite crystals (Namibia, 5.8 cm). 6 section devoted to the display of...in groups 8–12, show marked deviation. In this region of the Periodic Table, electronegativity increases...bonded substances, the electrons are confined to the region between the nuclei of the bonded atoms and they...Fluorite showing stepped, cubic crystal faces (Erongo, Namibia, 5.8 cm). hence occurs less commonly. Figure...(left, 6 cm) and grossular garnet (both from Kayes region, Mali); (C) grossular (Jeffrey mine, Canada, 5 |  | | Journal (issue) | | Thirty-three, Number Four Articles Jeremejevite from Namibia . . . . . . . . . . . . . . . . . . . . . . . ...22/#6 Wagholi cavansite (India), Kombat mine (Namibia), Madan mines (Bulg.),Beltana mine $12 v.23/#1...Seravezza Marble (Italy) $12 v.27/#2 Onganja mine (Namibia), Lac Nicolet mine (Quebec), Afghanite $12 v.27/#3...Platinum (Russia), District! Special Otavi Mtn. Land (Namibia), OUT SOLD Issue $12 Repair & Restoration $12 v...minerals, pegmatite minerals 287 Jeremejevite from Namibia Wendell E. Wilson Mineralogical Record 4631 Paseo |  | | Journal (article/letter/editorial) | | that have been found in the gold-washings in the region of the Sanarka river. e L. J. Spencer, Euelase...This is on an outlying hill NE. of the Uluguru Mountains. A pegmatite dike about 30 feet wide is there...SE. of the phenakite locality in the Kisitwi Mountains described in 1906. 618 L.J. SPENCER ON also...e crystals from S o u t h - W e s t Africa. microcline and smoky-quartz. They show au equal development...on quartz show these forms alone, but those on microcline show in addition a few other small faces (apd) |  | Baldwin, J. R., Hill, P. G., von Knorring, O., Oliver, G. J. H. (2000) Exotic aluminium phosphates, natromontebrasite, brazilianite, goyazite, gorceixite and crandallite from rare-element pegmatites in Namibia. Mineralogical Magazine, 64 (6) 1147-1164 doi:10.1180/002646100549940 | Journal (article/letter/editorial) | | and crandallite from rare-element pegmatites in Namibia J. R. BALDWIN1,*, P. G. HILL2, O. VON KNORRING3...rare-element pegmatites from the KaribibUsakos area, Namibia, have been investigated using the electron microprobe...post-magmatic fluids in these pegmatites. K EY WORDS : Namibia, exotic aluminium phosphates, lithium pegmatites...common in most of the Li pegmatites in the Karibib area, Namibia, and in many instances they are the only...the economic potential of Li pegmatites in the region, specimens of amblygonite–montebrasite were collected |  | | Journal (issue) | | collection; Jeff Scovil photo. (lower left) Amazonite microcline with smoky quartz, 8.5 cm, Tree Root pocket,...12 cm, Daoping mine, Guangxi Zhuang Autonomous Region, China. Joe Budd photo. 10 Supplement to The...Republic of Congo. Joe Budd photo. Amazonite microcline and smoky quartz, 13.5 cm, Ron's Pocket, Smoky...mine, Wuyu district, Guangxi Zhuang Autonomous Region, China. Ex Steve Smale collection. Joe Budd photo...2009 15 DAVID BRISTOL COLLECTION Fluorite on microcline, 12.5 cm, Yunling area, Zhangzhou Prefecture |  | | Journal (issue) | | located on the slopes of the Lelatema Mountains in the Manyara Region, about 70 km southeast of the town...Goboboseb Mountains, about 35 miles west of the town of Brandberg, Daures Constituency, Erongo Region, Namibia...Goboboseb Mountains, about 35 miles west of the town of Brandberg, Daures Constituency, Erongo Region, Namibia...the Merelani mine, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania. Will Johnson collection;... 17.5 cm, from Vangaindrano, Atsimo-Atsinanana region, Madagascar (finest known Madagascar aquamarine) |  | | Journal (article/letter/editorial) | | important gem deposits in Africa (Congo, Mozambique, Namibia, Nigeria, Tanzania, Zambia) and Asia (Afghanistan...pegmatite core zone or in the core margin, the region around the core. Typically, only parts of these...“Urals-type” deposits, such as those in the Ural Mountains of Russia, the Kafubu area of Zambia, and the...nepheline syenite) contain gem minerals, such as microcline (amazonite), sodalite, and zircon. GEM MINERALS...ct), bicolored pink and blue elbaite tourmaline (Namibia, 9.88 ct), and lilac-pink kunzite spodumene (Madagascar |  | | Journal (article/letter/editorial) | | Figure 1. A single white phenakite crystal on microcline from Mount Antero, Chaffee County, Colorado....Figure 5. This excellent 2-cm phenakite crystal on microcline, variety amazonite, is attributed to the Florissant...albite as inclusions in topaz in the Tarryall Mountains. The Crystal Peak area of Teller County (often...miarolitic cavities in granite exposed in the Sawtooth Mountains of Boise, Custer, and Elmore counties, and it...the Valley View district in the southern Ruby Mountains, Elko County. Flattish phenakite crystals to about |  | | Show/Event (guide) | | Frederick A. Canfield 4 4 Minerals from the Erongo Mountain, Namibia by Georg Gebhard 6 3 We warmly welcome...unidentified bright blue Cu sulfide, ilmenite, quartz, microcline, albite, siderophyllite, muscovite and possibly...1010+/-7 to 1007+/-4 Ma) in the Hudson Highlands region of New York. Many shear zones with widths of 1-2...Fe-REE), developed in the New York Hudson Highlands region and extend to New Jersey and to Pennsylvania's...fluorinedominant phlogopite, olivine (hortonolite), microcline, rare garnet and zircon are the main gangue minerals |  | | 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 |
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Erongo Mountains, Karibib Constituency, Erongo Region, Namibia