 | | Journal (article/letter/editorial) | | mineralization in the Otavi Mountain Land, Northern Namibia—a review and regional interpretation A.F. Kamona...Günzel b a b University of Namibia, Private Bag 13301, Windhoek, Namibia Ongopolo Mining Ltd., Main Street...Street, P.O. Box 40, Tsumeb, Namibia Received 16 May 2004; accepted 10 April 2006 Available online 4...Deposits like Tsumeb (Pb–Cu–Zn–Ge), Kombat (Cu–Pb–Zn), Berg Aukas (Zn–Pb–V), Abenab West (Pb–Zn–V) all...Cu–(Ag) or Cu–(Au) mineralization, respectively. The Tsumeb deposit appears to have been concentrated after |  | Boni, M., Terracciano, R., Evans, N. J., Laukamp, C., Schneider, J., Bechstadt, T. (2007) Genesis of Vanadium Ores in the Otavi Mountainland, Namibia. Economic Geology, 102 (3) 441-469 doi:10.2113/gsecongeo.102.3.441 | Journal (article/letter/editorial) | | Genesis of Vanadium Ores in the Otavi Mountainland, Namibia MARIA BONI,† Dipartimento di Scienze della Terra...mottramite, and vanadinite) in the Otavi Mountainland, Namibia, once were considered the greatest vanadium deposits...particularly abundant around Cu sulfide deposits (Tsumeb type), whereas descloizite occurs in the areas...depositional history of the post-Damaran supergene ores. Calcite and dolomite gangue are paragenetically coeval...Belgium. 0361-0128/07/3663/441-29 Mountainland, Namibia. Mining for vanadium, following the exploitation |  | | Journal (article/letter/editorial) | | Minerals New to Tsumeb R.J. BOWELL1 and H. MOCKE2 1 SRK Consulting, Churchill House, Cardiff CF102HH... Wales 2 Geological Survey of Namibia, Windhoek Abstract: The Tsumeb polymetallic carbonate-hosted replacement...replacement deposit in northern Namibia, although now closed, is a world-renowned deposit of unusual...deposit approximately 337 minerals occur for which Tsumeb is the type locality for 72 of these minerals....through the deposit and during operations into the mine workings, even during early mining, often with different |  | | Book | | The EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits Onganja Mine and Surrounding...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | | Journal (article/letter/editorial) | | GES. 148 (2003) THE OTAVI MOUNTAIN LAND IN NAMIBIA: TSUMEB, GERMANIUM AND SNOWBALL EARTH by Frank Melcher...carbonate successions in the Otavi Mountain Land, Namibia, host a large number of polymetallic (Cu-Pb-Zn)...mineralogical data are presented for Ge-bearing ores in the Tsumeb and Khusib Springs deposits, and are compared to...to the ores of Kombat and Berg Aukas. At Tsumeb, local pockets of germanite and reniérite-rich ore assaying...structure. Massive Cu ore at the Khusib Springs mine is composed of tennantite, enargite, galena and |  | | Journal (article/letter/editorial) | | Figure 1. Senior mine personnel inspecting an ingress of water on 8 level, on 21 January 1924. F. W....far right. Image courtesy of the Tsumeb Museum, Tsumeb, Namibia. Tsumeb: The Legacy of Wilhelm Klein (1889–1939)...ERNST A. SCHNAITMANN PO Box 9561 Eros, Windhoek Namibia eschnaitmann@gmail.com Dr. Malcolm Southwood has...discovered by Sam Gordon during his 1929 visit to Tsumeb. MGMH specimen 110889 (Klein 976), Malcolm Southwood...Eckleben Hotel, in the town of Tsumeb, in northern Namibia (then known as South West Africa*; fig. 3). The speaker |  | | Journal (issue) | | length of arsenolamprite in matrix from Alacaran Mine (Pampa Larga, Copiapo, Chile). All the specimens...Himalaya Mine was brought into notice in 1898 by Mr. Charles Russell Orcutt, [the famous west coast naturalist]... A. E. Heighway who had operated the tourmaline mine? And how did this lead to the work by the Himalaya...6 daily *Quality December Mineral News 2009 WEST COAST GEM & MINERAL SHOW Holiday Inn - Bristol Plaza...Merchandise Mart, DENVER, CO Quality lnnBenson Hwy. WEST COAST GEM & MINERAL SHOW Holiday Inn - Bristol Plaza |  | | 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) | | MEASUREMENTS RELATING TO THE GENESIS OF THE TSUMEB PIPE, SOUTH WEST AFRICA H.L. ALLSOPP Bernard PriceInsntute...Johannesburg, South Africa Recewed 11 June 1970 The Tsumeb ore-body ts one of a number of steep pipe-lLke...pierce the Otavl Series of the Damara System m South West Africa These structures lie on a well-def'med ENE...ongm for the pipe The problem of the age of the Tsumeb pipe remains unresolved The most likely events...post-Triassic ring complexes. 1. Introduction The Tsumeb ore-body Is one o f a number o f steep plpe-hke |  | | Journal (issue) | | Secretary: Colin Brough 1 William Allen Lane LINDFIELD West Sussex RH16 2SA Peter Moore Royal Russell School...the last outing to Plumpton. A piece of Plumpton Calcite sits prominently on the shelf in my living room...maybe my wife has a hitherto undeclared love of calcite - or it matches the paint!). I'd brought the Mitsubishi...which is probably following a fault plane. The calcite we sought has formed along this fault plane amongst...did not take long before the first small bits of calcite had been found. In additition, several sponge fossils |  | | Journal (issue) | | d'Ossola, Italy; Lyangara, Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah...while shallow seas were receding and the land to the west continued its uplift to form the Rocky Mountains...shrinkage cracks which, when filled with honey~colored calcite, show the typical internal structure of septanan...and the fracture-filling minerals that include calcite, chalcedony, and crystallized quartz. Since I hadn't...collecting I've ever done! In contrast to the calcite and chalcedony, quartz is generally poorly attached |  | | Book | | Ci. Sohnge TSUMEB a historical Sketch l!I!-) � 0 z ::s:: 0 0 � 0::: w 0::: u §5 I :::c ::s::... SCIENTIFIC RESEARCI-:I IN SOUTI-I WEST AFRICA (5n-1 SERIES) G. SOHNGE TSUMEB A HISTORICAL SKETCH <5 figures...signs portray the main chemical elements of the Tsumeb ore deposit and sym bolize from top to bottom:...1906-1946 . Tsumeb Mine . Ore Concentration and Smelting Ra:ilway and Communications The Tsumeb Way of Life...43 44 48 53 55 61 IV. Toward the Summit under Tsumeb Corporation 63 Limited, 1947-1966 63 The Awakening |  | | Journal (issue) | | Morelandite Pseudomorph of Yanadinite La Aurora Mine Chihuahu, Mexico Fornacite DH Claims Gila County...due to a thorough study of the mine- Fig. 1 Descloizite, La Aurora Mine, Chihuahua, Mexico, SEM photo... depending on the exact Cu:Zn ratio. La Aurora Mine While wandering through the dealers' motel rooms...knowledge existed only as an irregular mass in calcite from a specimen from Jakobsberg, Sweden. Herc were...interest and use. Lanny Callenberg Mine reopening The Callenberg Mine at Chemnitz in Saxony, Germany is |  | | Book | | 100 cabrerite 70, 73 cainite 62 calamine 40, 87 calcite 43, 45 campylite 68 cannizzarite 18 carbonates...use as chief deposits are in the Adirondack region Its high melting point makes it suitable a refractory...especially near Kimberley); diamonds from the Kimberley mine are embedded in ultrabasic blue rock called kimberlite...kimberlite, which also contains pyrope covered with calcite. Casteltermini, Agrigento (Italy) and diopsids...carats, equal to 621 grams) was found at the Premier Mine; named the Cullinan diamond, it was presented to |  | | Journal (issue) | | .......... ......... . .... 610 DIAMOND LEDGE, WEST STAFFORD, CONN. By Peter Z odac................... ................................617 GRIQUALAND WEST CONTRIBUTES MANGANESE TO AMERICAN DEFENCE RESERVES...other end of the pit. Got good green cleavages of calcite from down in the pit, and patted myself on the...other thing to note- the Carbola Chemical Co.'s mine road leads Jeft off the Blanchard School road just...Both sides of these curtains are rovered with calcite crystals up to 4" in length. There are rhombohedrons |  | | Journal (issue) | | Articles The 100-year history of the Benitoite Gem mine, San Benito County, California . . . . . . . . ...known as “the Wreath,” 6 cm, from the Benitoite Gem mine, San Benito County, California. Natural History...Benitoite Gem mine will note the portion of the story devoted to the 1935 visit to the mine by collecting...war Bill served in the U.S. Navy as skipper of a mine sweeper stationed in Cold Bay, Alaska. After his... Our collecting trips with him to the Grandview mine in the Grand Canyon and to the White Mountains were |  | | Book | | (mantovani@usp.br) R.McG. Miller PO Box 11222, Windhoek, Namibia (rmmiller@mweb.com.na) A. Misi Centro de Pesquisa...2004 in São Paulo (Brazil), 2005 in Windhoek (Namibia), 2006 in Punta del Este (Uruguay), 2007 in Stellenbosch...and Numees (Frimmel et al., 2002) formations of Namibia and the Jacadigo Group and Puga Formation of the...thermally subsiding basins, such as in northern Namibia, South Australia and northwestern Canada. The so-called...problematic fossil Otavia in middle Cryogenian rocks in Namibia as a sponge (Brain et al., 2001, 2003, 2008) and |  | | Book | | sources of phosphorus for use in fertilizers. of calcite and many other carbonates. However, in minerals...usually crystallizing in the hexagonal system as calcite, it also occurs as a less common orthorhombic mineral...predominant carbonate mineral in limestone is calcite, CaCO3, though dolomite, CaMg(CO;),, is equally...fluorite, CaF, a characteristic associate of 21 calcite and baryte. Other common halides, halite (NaCl)...want to check this, you will have to visit a salt mine; halides are dissolved by groundwater if they are |  | | Journal (issue) | | immature beans have been used as a vegetable in the West Indies and elsewhere, and that no untoward symptoms...wheat flour attempts are being made in the British West Indies to replace part of the flour imported by...has been cultivated experimentally in the British West Indies and in Nyasaland, and three samples of "...Dutch Guiana, on the south and south-west l?y Brazil, and on the west by Venezuela. The colony may be divided...and swampy belt of marine alluvium-the coastal region. This rises gradually from the seaboard and extends |  | | Book | | considered to be a natural accumulation of useful mine ra l materials that can be profitably extracted...metals, some common gangue minerals are quartz, calcite, fluorite , and barite. If enough fluorite, for...series of episodes in the geologic history of the region in which it occurs, and the kind of deposit formed...formed is dependent on the geologic history of the region. The broad, general picture of the history of the...m ..i,1111.cral deposits Within any part icular region in which mineral deposits are formed , what determines |  | | Journal (volume) | | Abbontiakoon Mines, Ltd., company report Abosso mine. West Africa Acacia Mining Co., Colorado 270, Editorial...prevention . . . Queen Co.'s mine, Arizona Accident Gold Mining Co., Subil mine, French Gulch, Rules, Copper...Accidents, coal-mine in United States Compensation for Workingmen's compensation Acid mine water Acidity...Pressure In smelting Co., Colorado Mine, Victor, Colorado, electric mine-signal system.. 49 Olancho county...Innoko and Iditarod districts Kovukuk-Chandalar region Lode mining in interior Matanuska coalfields Metalliferous |
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