 | | Journal (article/letter/editorial) | | BUSHMANLAND, SOUTH AFRICA By JOHN W . WEITZ F7, Villa Capri, Mouille Point, Cape Town, So. Africa If you...bounded on the North by the Orange River and on the South by a line drawn from Loeriesfontein to Brandvlei...(Tillite and Shales) of the Karroo System, while the Northern region is composed of granite and gneiss including...Pre-Damara, Damara, Kheis, Kraaipan, etc. of the South African Primitive Systems. Bushmanland is so called...called because in the early days of the Cape Colony, this territory was a stronghold of the Bushmen. These |  | | Book (edition) | | Southern Africa a Collector’s Guide ■ Rocks, Minerals and Gemstones of Southern Africa & — - ... T ~ '' .rats en&nes L of Southern Africa A Collector’s Guide - Struik Publishers (an operating...Ltd.) Struik House Oswald Pirow Street Foreshore, Cape Town 8001 First edition 1976 Second edition 1983...©E.K. Macintosh Cover design by Neville Poulter, Cape Town Lithographic reproduction by Tien Wah Press...Ltd, Singapore Photoset by McManus Bros (Pty) Ltd, Cape Town Printed and bound by Interpak, Pietermaritzburg |  | | Thesis/Dissertation | | from the Namaqualand pegmatite belt, Northern Cape, South Africa by Minenhle Sinethemba Maphumulo Dissertation...Namaqua-Natal Metamorphic Province (NNMP) in Southern Africa at ca. 1 Ga. The central part of the belt is characterised...In addition to the common rock-forming minerals (quartz, feldspars and micas), the complex pegmatites (younger...Namaqua-Natal Metamorphic Province (NNMP) in southern Africa hosts the 450 km long and 40-50 km wide Namaqualand...rocks, commonly composed of granitic minerals (quartz, feldspar, ± muscovite, ± biotite) with textural |  | | Journal (issue) | | mineral localities: The Sapo mine, Ferruginha district, Conselheiro Pena, Minas Gerais, Brazil . . ...Bonin Fluorite from Riemvasmaak, Northern Cape Province, South Africa . . . . . . . . . . . ...gather up rocks and stones from the desert or from local quarries and then slice and mineral specimens,...Arizona, the Tucson Gem and Mineral Society, and local mining companies (including especially Phelps Dodge...Mineral Localities: The Sapo Mine Ferruginha District, Conselheiro Pena Minas Gerais, Brazil Luiz Menezes |  | | Journal (article/letter/editorial) | | it hasnone beenhave my lot to visit years of South Africa, appealed to during my imagination to such an...north. But the war brought the linking up of the Cape Government railways with those of the recently conquered...conquered territory lately known as German South-West Africa, to-day a mandatory of the Union; and the...the Dutch Reformed Church, lies on the opposite (south) bank, and this article is all too short to make...abundance of rock garnet, is broken by a profusion of quartz reefs and outcrops, which as the late German border |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Journal (issue) | | the teresting rocks and minerals. Lake Superior district began in 1848; the Minerals are beautiful in themselves...the city of Marquette we stop at the outcrop just south of the bridge over Dead River. This granite outcrop...shore. Its essential constituents are about 25% quartz, 65% light-colored feld spar. Both the alkali feldspar...sure is gently sloping and polished, while the south side is steep and rough because of glacial plucking...proved by the deep groove running from north to south on the east side. This roche moutonnee outcrop consists |  | | Book | | EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...TsumebSpecial The Otavi Mountainland The Central Northern to Northwest Region including Damaraland The Central...Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits Onganja Mine and...and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds ...heritage, which has over the years attracted both local researchers and scientists from all over the world |  | | Book | | Namibia rank amongst the top five mining countries in Africa. both in terms of production and reserves. In this...century when the Gennan Colonial Office in South West Africa appointed Government Geologists to carry out...wait until 1926, when the Geological Survey of South Africa opened a branch office under the direction of...Lithium-Beryllium-Cesium Mica Nitrate Phosphate Quartz REE-Yttrium-Thorium Salt Sepiolite Soda ash and...magnetite quartzites and sedex lead-zinc deposits of South Africa (Rozendaal, 1978; 1986; Ryan et al., I986) where |  | | Book | | Jewelry, 146 Breastplate of the High Priest, 144 South America, Beryl in the Bible, 80 Emerald and 140...Derivations of Names and Portugal, 490 Republic of South Africa, Romania, 549 601 Yugoslavia, 485 Pakistan...Pakistan (West), United Arab United 482 Northern Ireland, Peru, 511 513 New Guinea, 485 Nigeria... 445 Greenland, India, 500 Republic, South West Africa 445 Ghana, Inner Somali 443 Germany... But if antiquities, so an and scriptions quartz] “it of a to seems only two that be For |  | | Report (issue) | | Saxony A Survey of the World's Tourmaline Deposits Africa ............................73 Asia ................. 85 North America ..................... 89 South America ..................... 96 • References ....a peculiar quartz-diopside rock type that consists of ab solutely white diopside, quartz and calcite...phengite, tainiolite, vanadium-bearing muscovite, quartz and dolomite from the Onega depression, Central...Bronze-brown; streak: yellow-brown; luster: vit district Corinthia in Austria and Slovenia, dravite is |  | | Book (edition) | | mining companies took him to the Far East, South and East Africa, North America, and most of the countries... OF MINERALS THE PLATINUM-GROUP METALS POTASH QUARTZ RARE-EARTH MINERALS AND METALS RHENIUM ROCK...contains free or un- combined silica in the form of quartz, it is an acid igneous rock, Gabbro is also an...as granites, pegmatites and associated quartz veins, quartz porphyries or ‘elvans’ as they are called...from a mixture of borax and coke. If we regard quartz (which easily scratches steel) as having a hardness |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Smithsonian Inst., Washington, D.C. Alan Pring: South Australian Museum, Adelaide, SA, Australia. Gunnar...Especially when the mineral species is common, such as quartz (75.1.3.1), many varieties (jasper, onyx) are known...chemistry and structure are identical to those of quartz. 5D. Polytypes Materials whose basic structural...only with fibrous minerals Columbite, wolframite Quartz Opal, some yellow varieties of sphalerite Nepheline...are distinctive. Chonchoidal fracture, typical of quartz, gives a fracture similar to the interior of a |  | | Book | | and Quartz Mica. Mica and feldspar in the United States. Feldspar and nephe/ine syenite. Quartz. Kyanile...Production and reserves. Canada. Soviet Union. Africa. United States. Other countries. Graphite . . .... .. ... . . Production. Europe. Asia. Africa. Mexico. Canada. United States. Barile and Witherite, Fluorite.... . . . . . . . . .. ... . United States. Northern Africa. Soviet Union . Oceanic Islands. 440 454 467...seen in New South Wales, because conditions appeared to be similar. He returned to New South Wales in 1851 |  | | Book | | uranium brownfields became obvious and public awareness rose. Although the closure of uranium mining and milling...NORM: Mining and current prospects in Australia’s Northern Territory . . . . . . . . . . . . . . . . Peter...water resources in and around Johannesburg (South Africa). . . . . . . . . . . . . . . . Frank Winde...project in the Wonderfonteinspruit Catchment, South Africa . . . . . . . . . Lindsay Fyffe, Henk Coetzee...their progeny concentrations in the dwellings of district Hamirpur, Himachal Pradesh, India . . . . . . |  | | Report (issue) | | ChandlC'r__ _____________________________ _ -----------Quartz crystal (electronic grade), by \Valdemar F. Dietrich...that are bulky offer special problems, both as to local and national supply; those with defense uses in...has developed some promising synthetics, such as quartz crystals precipitated artificially, synthetic mica...metals would be made available for industrial use. LOCAL AND REGIONAL DEVELOPMENTS "\Vith the bulkier conunodities...problems of supply and demand sometimes assume a local and regional aspect, such as for sand and gravel |
|
