 | | Report (issue) | | Structural—Africa. 2. Erosion—Africa. 3. Physical geography—Africa. 4. Morphotectonics—Africa. 5. Evolutionary...Evolutionary paleoecology—Africa. I. Gunnell, Yanni, 1965– II. Title. QE635.B87 2008 556—dc22 2008006912...2008006912 Cover: The topographic basins and swells of Africa. Elevation range is from 0 to 5149 m above sea level...The African Surface in Its Type Area: Southern Africa .............................................................15 The African Surface in Southern Africa: A Summary ................................... |  | | Report (issue) | | titanium dioxide and borates from our operations in Africa, Canada and the US. We contribute to Rio Tinto’s...from the Pilbara, Western Australia, to KwaZulu-Natal, South Africa, to Saguenay–Lac-Saint-Jean, Quebec,...a permanent disabling injury occurred at our Richards Bay Minerals Smelter in October, when one of our...stakeholders. –– The $0.9 billion first phase of the south wall pushback at the Kennecott copper mine in the...years. –– The Zulti South project at Richards Bay Minerals (RBM) in South Africa, which will sustain |  | | Report (issue) | | Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Force, U.S. Geological Survey (USGS); Ian Goldberg, South African Department of Mineral and Energy Affairs...MEA, Minerals Bureau; Jan Zwartendyk, David E. C. King, and Andrew G. Sozanski, Canadian Department of...together supplying about half the world total; South Africa, Norway, and the Soviet Union together account |  | | Book (volume) | | British Columbia California Colorado Connecticut District of Columbia Delaware Department Florida Georgia...Wis. Wyo. Yukon 3 New Mexico Nova Scotia New South Wales Northern Territory Northwest Territories New...Pennsylvania Queensland Rhode Island South Australia South Carolina South Dakota Saskatchewan Tasmania Tennessee...(Wales) Aberdeen (Scotland) Aberdeen (South Africa : District) Aberdeen Angus cattle Aberdeenshire (Scotland)...Abitibi (Quebec : Regional T2--714 134 County Municipality) Abitibi, Lake (Ont. and T2--713 142 Quebec) |  | | 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...reason of the great diversity and magnitude of South African mineral deposits and local mining operations...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |  | | Report (issue) | | Palabora carbonatite deposit, Limpopo Province, South Africa. Photographs by Rob Lavinsky (www.iRocks.com)...increased by more than 40 percent, and Australia and South Africa were the leading producers. Global consumption...Geological Survey, 2014). In 2012, Australia and South Africa were the leading world zircon producers, accounting...Palabora carbonatite deposit, Limpopo Province, South Africa. Photograph by Rob Lavinsky (www.iRocks.com)...100 Zirconium-producing countries1 Australia South Africa China Indonesia India Mozambique Other Percent |  | | Book | | . . . . . . . . . . . . . . . 35.1.3 Richard’s Bay . . . . . . . . . . . . . . . . . . . . . . . . ...Indonesia USA Palabora South Africa South Africa South Africa South Africa Copper-porphyry stockwork...working face which decreases the mining costs In South Africa the technique was adapted for mining reef-type...stope; (b) gold reef mined by longwall method in South Africa mining approach is broadly used for extraction...Fig. 2.13 Dredging at the Richards Bay titanium sands deposit, South Africa off-shore marine placer deposits |  | | Book | | regions. Term broadly applied in the SW USA and South America. Carbonatization A type of hydrothermal...the ensuing years. The Beisa uranium mine in South Africa provides a good example to illustrate this point...Deposit (1) (2) (3) (4) By-products Palabora, S. Africa Panguna, Papua New Guinea Bingham, USA El Abra... and Lornex. A similar approach was adopted in Africa and Australia but without the same degree of success...Antelope, Zambia (1925) and the Merensky Reef, S. Africa (1924). Most deposits discovered during this era |  | | Book | | anatase—rutile—-pseudobrookite minerals; ‘limonite’ for goethite—lepidocrocite-akaganéite-feroxyhyte; ‘psilomelane’...The effects of tarnishing and carbon-coating 2a South Marcasite, pyrite and sphalerite. Ashover, Pennines...oxides and sulphides to limonite (a mixture of goethite and lepidocrocite). Secondary copper sulphides...metals in these ores. Bushveld, Republic of South Africa The Bushveld Complex (extending for 180000 km)...sulphides. Chromitites, Bushveld, Republic of South Africa (Plate 7) Layered chromitites are found within |  | | Report (issue) | | Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of...Hammerbeck, Geological Survey of the Republic of South Africa; Richard N. Crockett (retired), British Geological...Several other countries, including Brazil, Canada, South Africa, Sri lanka, and Thailand, make up the remainder |  | | Report (volume) | | SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105,125 South State St. SAN FRANCISCO, California--Customhouse...rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...represents an individual deposit (or, rarely, a district), cumulated in ascending grade or tonnage. Where...lump everything from a single district (and then argue about district boundaries). For the most part...5). GENERAL REFERENCES Geological Society of South Africa, Special Publication 1 (1969); Economic Geology |  | | Report (issue) | | of bauxite resources in the Caribbean region 55 South America ..................................... 55...68 Other South American countries ................... 70 Summary of bauxite resources in South America...of bauxite resources in Europe ............ 87 Africa ............................................. 87...Sierra Leone . ............................... 99 South Africa . Upper Volta (now Burkina Faso) ....................... 100 Summary of bauxite resources in Africa ............. 101 Asia (excluding U.S.S.R.) .. |  | | Journal (article/letter/editorial) | | Gillulyite Glauconite Glaucophane Gmelinite-(Na) Goethite Gold native Goldfieldite Gorceixite Goyazite Graphite...salinity as a result of devolatilization of subducted South Pennic rocks. During the Paleogene orogeny under...They consist mainly of the minerals kaolinite, goethite, hematite and gibbsite. Latite is an extrusive...(Fig. 03.02). Chromium deposits of this type in South Africa and Zimbabwe contribute to more than 90% to...of Archaean age such as the Bushveld Complex, South Africa. Stratiform Cr deposits account for the majority | | | Journal (article/letter/editorial) | | Gillulyite Glauconite Glaucophane Gmelinite-(Na) Goethite Gold native Goldfieldite Gorceixite Goyazite Graphite...salinity as a result of devolatilization of subducted South Pennic rocks. During the Paleogene orogeny under...They consist mainly of the minerals kaolinite, goethite, hematite and gibbsite. Latite is an extrusive...(Fig. 03.02). Chromium deposits of this type in South Africa and Zimbabwe contribute to more than 90% to...of Archaean age such as the Bushveld Complex, South Africa. Stratiform Cr deposits account for the majority |  | | Conference Proceedings (Volume) | | .............................. 36 Jeremy P. Richards Theory of metallogenic systems: principles and...regional scale 3D-model of the Skellefte mining district, northern Sweden ..............................VHMS-type deposits, Kristineberg area, Skellefte District, Sweden . . ....................................modelling for VMS exploration in the Pyhäsalmi district, Central Finland ..............................structural complexities: KDC East Gold Mine, South Africa . . ..................................... |  | | Book | | major producing districts, or a representative district if there are many. We name the chief mining companies...graphite supply must come not merely from one district but from a single mine. Thus the physical properties...comfort. Users of chromite, who must the USSR, South Africa, Albania, and wish that chromite deposits were...Republic of South Africa by the Department of Mines and the Geological Survey of South Africa; such profiles...Greece to Czechoslovakia, Mexico to Canada, South Africa to Jordan, and Australia to Sri Lanka. Industrial |  | | Book | | the south-eastern corner of the Coastal Batholith near Arequipa, Toquepala-Cerro Verde district; in the...(Fig. 28-12). The gold deposits in the Georgetown district are of Proterozoic age. From Branch (1966), with...to the bulk of porphyry Cu-Mo deposits (in the south-western United States and adjacent Mexico, in Chile...but there are minor exceptions. In the La Plata district N.W. of Durango, Colorado (Eckel et al., 1949;...contact. 1037 Fig. 28-17. La Plata Au,Ag,Pb,Zn district, S.W. Colorado, showing distribution of ore veins |  | | Book (edition) | | petroleum reserves of the Middle East and northern Africa are as follows in billions of barrels: Saudi Arabia... France and overseas affiliates Republic of South Africa Figure 1-9 Uranium production, 1948- 71, from...from the United States, Canada, Republic of South Africa, France and African affiliates, Belgian Congo... > .10 do Azelick, Madaouela <.10 South Africa, South West Africa: Witwatersrand, Rossing Precambrian...Miocene and Pliocene concong lome rate. Central Africa Republic: Bakouma Total Source of Data 9,000 |  | | Book | | 1. Mafic dyke swarms in the Kaapvaal Craton, South Africa 189 3.4.2. The Mackenzie dyke swarm, Canada...controls of intracontinental alkaline magmatism in Africa 194 3.5.2. The Damaraland alkaline province, Namibia...intraplate magmatism around the Vredefort Dome, South Africa 6.3.4. Metamorphism and fluid generation; metamorphogenic...Bushveld lgneous Complex, South Africa 8.2.3. Molopo Farms Complex, South Africa and Botswana 8.3 Magmatic...troctolite-anorthosite complexes 8.4.1. Voisey's Bay Ni-Cu-Co 8.5 Komatiite-related magmatic ore deposits |  | | Book | | the south-eastern corner of the Coastal Batholith near Arequipa, Toquepala-Cerro Verde district; in the...(Fig. 28-12). The gold deposits in the Georgetown district are of Proterozoic age. From Branch (1966), with...to the bulk of porphyry Cu-Mo deposits (in the south-western United States and adjacent Mexico, in Chile...but there are minor exceptions. In the La Plata district N.W. of Durango, Colorado (Eckel et al., 1949;...contact. 1037 Fig. 28-17. La Plata Au,Ag,Pb,Zn district, S.W. Colorado, showing distribution of ore veins |  | | Journal (issue) | | known as the Big Island. One site is in the Puna District located on the windward side of the island near...chief city, Hilo, and the other is in the Kohala District on the leeward side. The most significant new...is located on the dry or leeward side. The Puna District has the advantage of close proximity to Hilo,...major port and largest business center. The Puna District also has the advantage of having considerable...structures only marginally efficient. The South Kohala District includes the commercial port of Kawaihae |  | | Report (issue) | | niobium in Brazil; and platinum-group elements in South Africa and Russia), thus increasing the risk for supply...Cave-in-Rock subdistrict, Illinois-Kentucky fluorspar district............................................G3...Cantabrian salt-related carbonate-hosted mineral district in north-central Spain..........................Red Dog mining district in Alaska and the stratigraphy of selected deposits in the district...............the Precambrian tectonic framework of southern Africa............................................... |  | | Book | | Corporation of South Africa, the Chair of Economic Geology at Rhodes University, South Africa, and since...appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of Geosciences...which has included work in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific...Felsic Phase of the Bushveld Igneous Complex, South Africa . . . . . . . . . . . 4.3.6 The Sn-W Deposits.... . . . . . . . 4.4.4 Sabie-Pilgrim’s Rest, South Africa . . . . . . . . . . . . . . . . . 4.4.5 Capricorn |  | | Book | | Angola, Brazil and Uruguay Kimberlites in western Africa, Brazil and Australia Basic/ultrabasic intrusions...for example those drawn by Petersen (1970) for South America and Guild (1974a) for North America. A fairly...Stanton (1972). Following the work of, for example, King and Thompson (1953) on the Broken Hill orebody in...intercontinental position of the Alpine chains between Africa and Europe (Fig. 5). Subsequently, to most European...Ocean foreland and Bay of Bengal remnant basin (from Mitchell, 1978a). Note oceanic Bay of Bengal foreland |  | Jones, James V., Karl, Susan M., Labay, Keith A., Shew, Nora B., Granitto, Matthew, Hayes, Timothy S., Mauk, Jeffrey L., Schmidt, Jeanine M., Todd, Erin, Wang, Bronwen, Werdon, Melanie B., Yager, Douglas B. (2015) GIS-Based Identification of Areas with Mineral Resource Potential for Six Selected Deposit Groups, Bureau of Land Management Central Yukon Planning Area, Alaska. Open-File Report 2015-1021. US Geological Survey doi:10.3133/ofr20151021 | Report (issue) | | near Tofty, Alaska, in the Hot Springs placer district. Placer gold potential is relatively high along...Arctic National Park and Wildlife Preserve along the south flank of and into the core of the Brooks Range....out by about 1938 (Price and others, 2014). The district is in southeastern mainland Alaska (fig. 1), now...granite that variably contain disseminated fluorite, goethite, xenotime, zircon with radioactive haloes, and...associated placer deposits in the Hot Springs district (plate 4; Nokleberg and others, 1987) contain |
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