 | | 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 |  | | Journal (article/letter/editorial) | | Nooitgedacht (66), Kimberley South Africa M.C.J. de Wit De Beers Consolidated Mines Ltd. Africa Exploration. P.O...0046, South Africa E-mail: mike.dewit@debeersgroup.com © 2004 Geological Society of South Africa ABSTRACT...of the biggest alluvial diamond ever found in South Africa, the Venter diamond (511.25cts). The farm can...Diamonds 2002b) carats per 100 Tons and the average SOUTH AFRICAN JOURNAL OF GEOLOGY, 2004, VOLUME 107 PAGE...geology and location map of the Nooitgedacht area. SOUTH AFRICAN JOURNAL OF GEOLOGY M.C.J. DE WIT Figure |  | | Book | | Crystal in Kimber lite Premier Mine, Kimberley, South Africa On loan from Mrs Charles W. Engelhard 25 ...across Columbite with Feldspar and Mica Rincon district, San Diego County, California Black crystal 3...in) across Barite on Calcite 112 Near Meade, South Dakota 15. 7 cm (61/a in.) across l Ba rite frlZlngton...297-304 Chalcedonies: Agate, Chalcedony, Onyx, and Carnelian 305-311 Rare Gems and Carving Material: Rhodocrosite...Beryls, Emeralds, Rubies, Diamonds, Sapphires, Carnelian, Glass, Gold, Enamel, and Cord Moroccan, c. 1750; |  | | 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 (article/letter/editorial) | | Mineral Cr Metal Brokers of S. Africa, Box 177, Prieska, South Africa. ROCKS AND MINERALS and RENEWALS...obsidian, 850 l b . ; thundereggs, 9 0 0 l b . ; carnelian, 90c: lb. From V i r g i n i a : unakite or jasperepidote...Money back guarantee. Free list. Cornwall Studio, South M t . Lake, North Creek, N e w Y o r k 1 2 8 5 3...0 each, Postpaid first class. Cornwall Studio, South M t . Lake, N o r t h Creek, N e w Y o r k 1 2 8...Colorado. 8 0 2 0 6 PURPLE H E X A G O N I T E - NORTHERN N E W YORK — N o t common. 1 " 2 5 t f ; 2 " 35(Z; |  | | Journal (article/letter/editorial) | | Lichtenburg/Ventersdorp area of the North West Province, South Africa Mike C.J. de Wit University of Pretoria/Tsodilo...7195, South Africa e-mail: dewit@icon.co.za © 2016 December Geological Society of South Africa Abstract...the North West Province are associated with north-south orientated sinuous 'runs' that occur almost entirely...decreasing in elevation into the Bushveld Basin. To the south of the Lichtenburg – Ventersdorp area, the Malmani...and further south are Ventersdorp and Witwatersrand Supergroups rocks, respectively. SOUTH AFRICAN JOURNAL |  | | Book | | terms conglomerate and pudding-stone are applied. Local terms in great variety are used to describe pebbles...Orange River at its junction with Diep River, South Africa. It is of ancient amygdaloid (the body of grey...polish to them. This is the case at Griquatown, South Africa, where a number of jasper chipped axes and jasper...occurring along the course of the Vaal River, South Africa, have contributed abundance of pebbles to the...basaltic flows that cap the Drakensberg Range, South Africa, are also in part amygdaloidal (Plate 17, Figs |  | | Journal (issue) | | Descloizite Crystals, Berg Aukas, Grootfontein, S.W. Africa The very finest qualify deep-brown, red-brown to...75, 4x5 $15.75. Also available from Tsumeb, S.W. Africa are azurite xl groups, dioptase crystals, smithsonite...City, Ala. Rock N. Smith, Rock Swap chairman, 745 South 85th St., Birmingham, Ala. 35206 July 26-31, 1965...Federation of Mineralogical and Geological Societies Northern Region — Rockrama — to be held at the Minnesota...profes sor of chemistry in the medical college of South Carolina. He was just as astute a mineralogist, |  | | Journal (issue) | | balance of re sponsibilities between state and local pub lic agencies in protecting the people from...Wcstgate, Mansfield, Ohio. Aug. 15, 1965—Rock Swap, Cape Atlantic Clubhouse, Cologne Ave., Cologne, N. J...between Rts. 322 & 30. Picnic area. For details write: Cape Atlantic Rockhounds, Inc., Box 244, RFD #3, Mays...Federation of Mineralogical and Geological Societies Northern Region — Rockrama — to be held at the Minnesota... Kemble St., South Bend, Ind. Dealers contact Mark Goddard, 930 Oak Ridge Drive. South Bend, Ind. October |  | | Book | | Maarten J. de Wit Editors Origin and Evolution of the Cape Mountains and Karoo Basin Regional Geology Reviews...Arthur Fuller with his field equipment exploring the Cape-Karoo on his motorcycle in 1960. Today young geo-scientists...attracted by such basic fieldwork (and freedom), yet the Cape Mountains and Karoo hinterland is a unique natural... de Wit • Editors Origin and Evolution of the Cape Mountains and Karoo Basin 123 Editors Bastien...Mandela Metropolitan University Port Elizabeth South Africa ISSN 2364-6438 Regional Geology Reviews ISBN |  | | Journal (issue) | | to have both a state mineral and a state rock. South Dakota comes close, with a "state gem stone”—rose...also have six grandchildren. Mrs. Carson is one of South Carolina’s famous rockhounds and a subscriber of...Westgate, Mansfield, Ohio. Aug. 15, 1965—Rock Swap, Cape Atlantic Clubhouse, Cologne Ave., Cologne, N. J...between Rts. 322 & 30. Picnic area. For details write: Cape Atlantic Rockhounds, Inc., Box 244, RFD #3, Mays...Federation of Mineralogical and Geological Societies Northern Region — Rockrama — to be held at the Minnesota |  | | Book (volume) | | utCanada: , ALFRED PETER HitiiEr, M.D., M.P. Author of South African Studies; The Commonweal; &c. Served in Kafnr...with Dr L. S. Jameson in medical practice in South Africa till 1896. Member of Reform Committee, Johannesburg...Geography. X Society. Author of The London at 2 Cape Colony: part). Water- . Cancer. Supply; Industrial...DE Pvt. Assistant, Victoria and Albert Museum, South Kensington. Author of HispanoMoresque Ware of the...Ceramics: Assistant, Victoria and Albert Museum, South Kensington. CHARLES FRANCIS ATKINSON. Formerly |  | | Book | | culture, derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric...size of crystal (barely 0.2 carat) shown below. South Africa. Below right Coarsely foliated graphite. Rap;edara...is famous in the oxidation zone at Tsumeb, SW. Africa. The oxidation zone, however, is impoverished in...exhausted today, such as the silver of Mexico and South America, and the copper of Rio Tinto, Spain. Frequently...gravel minerals. The Witwatersrand gold deposits, South Africa, are a famous example of a cemented gravel (or |  | | Book | | crystals of blue azurite. From Tsumeb mine, S.W. Africa. See Pl. 9-10. Azurite Cu 3 [(0H),/(CO,),J monoclinic...most important diamond fields of today are in South Africa, Brazil and Siberia. a blood-red garnet (from... Today there are important fields in S. and E. Africa and the U.S.A. A component of many basic igneous...Deposits occur in the Urals, Madagascar, S.W . Africa and the U.S.A. AMAZONSTONE with its silky lustre...St. Maurice, Wallis, Switzerland. Scale 1·1 :1 CARNELIAN dark blood-red nodule with concentrically layered |  | | Book | | S. A. for the East European Countries, China, Northern Korea, Cuba, Vietnam and Mongolia Academia, Publishing...activation, which showed itself by the formation of local elevations and depressions often associated with...Hills,Uganda, and Palabora in the Republic of South Africa· Carbonatites axist in a similar position in...often disturbed due, for example, to the effect of local (relative) pressure gradient (i.e. an abrupt drop...north-western archipelago whereas on the youngest in the south-east only brown earth was formed (Pig.11). Development |  | | Book | | crystals of blue azurite. From Tsumeb mine, S.W. Africa. See Pl. 9-10. Azurite Cus[(OH)2/(COs3)2] monoclinic...most important diamond fields of today are in South Africa, Brazil and Siberia. PYROPE, a blood-red garnet...Today there are important fields in S. and E. © Africa and the U.S.A. A component of many basic igneous...Deposits occur in the Urals, _ Madagascar, $.W. Africa and the U.S.A. MOONSTONE, with its silky lustre...Maurice, Wallis, Switzerland. Scale 1:1:1 122 caRNELIAN dark blood-red nodule with concentrically layered |  | | | | crystals of blue azurite. From Tsumeb mine, S.W. Africa. See Pl. 9-10. Azurite Cus[(OH)>/(COs)2] monoclinic...most important diamond fields of today are in South Africa, Brazil and Siberia. PyROPE, a blood-red garnet... Today there are important fields in S. and E. Africa and the U.S.A. A component of many basic igneous...Deposits occur in the Urals, » Madagascar, S.W. Africa and the U.S.A. MOONSTONE, with its silky lustre...Maurice, Wallis, Switzerland. Scale 1:1:1 122 caRNELIAN dark blood-red nodule with concentrically layered |  | | Book (volume) | | DIAMOND-BEARING ALLUVIAL GRAVELS OF THE UNION OF SOUTH AFRICA DIAMOND-BEARING GRAVELS DRAINAGE WEATHERING...SYSTEMS THE ORIGIN OF THE ALLUVIAL DIAMONDS THE SOUTH-WEST AFRICA DIAMOND DEPOSITS THE VAAL RIVER ALLUVIAL GRAVELS...THE AUTHOR UNEARTHING A DIAMOND, MERENSKY CLAIMS NORTHERN END MERENSKY SHINGLE, MOUTH OF THE ORANGE RIVER...mber lites from various parts of the Union of South Africa . In order to give a clear idea of these crystals...drawn that yttriferous garnets are not rare in South Africa. For this type of '\ r�- -----·- --- ___ |  | | Book | | talc vug in 1997, is 1.7 cm long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals...and pegmatitic environments. In the mid- l 970s, local historian-collector William J. Brunet set out to...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...which they called the Bentley Lake Road occurrence, south of Bancroft. Sharp, flattened rhombohedral ilmenite...Girardville, itself 40 km northwest of Lac Saint-Jean in south-central Quebec, very large and sharp ilmenite Cl) |  | | Book (volume) | | productive, especially Edinburgh, Oxford and along the south terms alley, bibliography project large card-file...diamonds in South Anthony Trollope’s South Africa over rings ence are include Africa, and others...archeol archeology, archeologisch(e, es) Afr Africa art,-s artides, AK Alaska assoc assodatc...foreword feet DBI Dizionario dbl double FY DC District of Columbia G, DE Delaware GA Georgia dec...-al,-s S Schilling; south ornamental rule sb sbomik p page, SC South Carolina PA Pennsylvania |  | | Book | | Singapore Hong Kong Tokyo Nairobi Dar es Salaam Cape Town Melbourne Auckland and associated companies...Webster of the South African Institute for Medical Research, Johannesberg, South Africa; Jack Harrington...National Cancer Association of South Africa, Johannesburg, South Africa; and many colleagues in the United...and discussion. Hardly a week passes without a local newspaper reporting on some aspect of the risks...the chrysotile in Fig. 1.1 A. Sample from Prieska, South Africa, Yale Collection # B 38 IV (mm scale). (D) |  | | Book (edition) | | and Metallurgy Past-President Geol. Soc. of South Africa R. H. RASTALL University Lecturer in Mineralogy... . CONTENTS The Accessory Minerals of Sands . Local Variation Vertical Variations Gold Placers Platinum...Pleistocene Boulder Clay (near Leeds) B. Dwyka Tillite (Cape Colony) ; 10. Edgewise Conglomerate (Sutherlandshire)...Yorkshire) 136 Haematitic Limestone (Rhiwbina, South Wales) re Fireclay with Zoned Spherulites of Siderite...(Strasburg, Virginia) B, Carboniferous Limestone (South Wales) . . Calcite Mudstone (Avon Gorge, near |  | | Book (edition) | | and Metallurg y Past-President Geol. Soc. of South Africa Ree ie RA ALE University Lecturer in Mineralogy...DEPOSITS CONTENTS The Accessory Minerals of Sands Local Variation : Vertical Variations Gold Placers Platinum...Pleistocene Boulder Clay (near Leeds) B. Dwyka Tillite (Cape Colony) . Edgewise Conglomerate (Sutherlandshire)...Wyke, Yorkshire) Haematitic Limestone (Rhiwbina, South Wales) Fireclay with Zoned Spherulites of Siderite...(Strasburg, Virginia) B. Carboniferous Limestone (South Wales) . Calcite Mudstone (Avon Gorge, near Bristol) |  | | Journal (volume) | | Abbontiakoon Mines Abosso Gold 118 370 Broken Brown. South Coggin 14 Accounts, Presentation of Companies'...Australia .Report 4 Australia, Copper Discovery in Northern 192 Australia, Explosives in 323 Australian Coal...Broken HiU Proprietary's Taxes *. 324 Broken HiU South . . Report Hill .T. 367 283 Minerals in Sze-chuan...Canadian Forest Fires Canadian Mining Manual Cape Copper Company Cape Explosives Company Report .... Carn Brea...Molybdenite in Norway Coal in Borneo Coal in New South Wales Coal in Nigeria Coal -Mine. State, at Lithgow |  | | Book (edition) | | limonitc or clay due to the weakness of the bond. Northern Ohio and West Virguiia are the most important...aluminum oxide is concentrated in the Niagara Falls district of Canada and New York, where electrical energy...locality. Large dejjosits of actinolite occur in south¬ eastern Ontario, Canada. These deposits have been...miles north of Silver l*eak, and about G miles .south of the Tonopah & CJoIdfiehl ILiilroud. The alum...sands have been reported in Western Transvaal, Africa. Sales of 450 tons were reported in 1939. KYANITE |
|
