 | | Book | | EarlyGermanGeologistsand Entrepreneursin South West Africa The People- Mineralogists,Geologistsand Collectors...and bordered by the cold BenguelaCurrentof the southern Atlantic Ocean, is at first glance by no means...is the 5th largest mining country in sub-Saharan Africa. Several of the mineral deposits are quite remarkabledue...Thenameof Namibia, the countryin the southwest of Africa,is takenfrom the Freiberg.Germanium was discoveredin...the incredible variety and of German South-West Africa(Deutsch- uniqueness of mineralsfrom Tsumeb. Sudwestafrika) |  | | Book (edition) | | center below āCullinan II." (or āLesser Star of Africaā) with 317.40ct. It is the second-largest polished...color), their place of discovery (āagateā for a river in Sicily), or mysterious powers (āamethystā was...Chromian Diopside Chrysocolla Clinochlore Clinochrysotile Clinoenstatite Clinohumite Clinozoisite Colemanite...Lizardite Proustite Sturmanite Chrysocolla Clinochrysotile Fuchsite Muscovite Phosgenite Shomiokite Amber...Talc Nepheline Lizardite Charoite Microline Clinochrysotile Lapis lazuli Marialite Milarite Howlite Leucite |  | | Book (edition) | | center below āCullinan II." (or āLesser Star of Africaā) with 317.40ct. It is the second-largest polished...color), their place of discovery (āagateā for a river in Sicily), or mysterious powers (āamethystā was...Chromian Diopside Chrysocolla Clinochlore Clinochrysotile Clinoenstatite Clinohumite Clinozoisite Colemanite...Lizardite Proustite Sturmanite Chrysocolla Clinochrysotile Fuchsite Muscovite Phosgenite Shomiokite Amber...Talc Nepheline Lizardite Charoite Microline Clinochrysotile Lapis lazuli Marialite Milarite Howlite Leucite |  | | Book (edition) | | crystals ofa deep pink or orange color are exceedingly uncommon. Pink and orange gem topaz, when viewed...subtracted. Consequently, if a material absorbs red, orange, and most of the yellow from the original white...about 10 carats. DG: 2.06 (greenish, step cut, Africa). Comments: Actinolite is a member of a series...sprays of crystals in limonite matrix. Tsumeb, S.W. Africaāfine crystals, sometimes colored purple by cobalt...Isometric. Hardness: CjoHis6O + H2S. color, orange shades. Rarely blue, greenish, violetish. CusAs |  | | Book (edition) | | used the new names for Ceylon. Rhodesia, and S.W. Africa: Sri Lanka, Zimbabwe, and Namibia, respectively...crystals of a deep pink or orange color are exceedingly uncommon. Pink and orange gem topaz, seen in a geological...be new or unfamiliar color. A good found in Africa in a striking blue variety in the 1960s and given...dispersions never before reported if a mateabsorbs red, orange, and most of the yellow from the original white...light yellow-green ā cut cut Brazil Brazil Africa cut cut Colombia Colombia Chivor Mine, 8B 3 | | | Book (edition) | | However, large transparent crystals of a deep pink or orange color are exceedingly uncommon. P ink and o range...subtracted. Consequently. t.f a matenal absorbs red, orange. and most of the yello\.\' from the original white...sprays of crystals 1n limorute matnx. Tsumeb. S. ~: Africa-fine crystals. somettmes colored purple by cobalt...Yellow, brown, whitish yellow, reddish, cream color, orange shades. Rarely blue, greenish, violetish. Also:...opalescent blue or green. Rarely found in England. Southern Mexico produces golden yellow material. Burma: |  | 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) | | Sinica Annals of the Geological Survey of South Africa Australian Journal of Chemistry American Journal...Israel, Current Research Geological Survey of South Africa Bulletin Geology Today Geologicheskii Zhurnal C...silver-white with increasing substitution by Ag, or to orange-red with substitution by Cu; metallic luster. No...the fossil placers of the Witwatersrand in South Africa, have produced most of the worldās gold. Localities:...Hall mines, Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, |  | | Book (edition) | | (lower /eft) rnodochrosite, NāChwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine...core from the Mahogany Zone oil shale of the Green River Formation, Uintah County, Utah, associated with...authigenic aegirine is found in rocks of the Green River Formation in Utah, Wyoming, and Colorado. Typical...Complex, Nigeria; and widespread in the rocks of East Africa. SELECTED REFERENCES: Cannillo, E., et al.,...and at localities in Madagascar and Swaziland, Africa. SELECTED REFERENCE: Palache et al., Danaās System | | | Book (edition) | | core from the Mahogany Zone oil shale of the Green River Formation, Uintah County, Utah, associated with...authigenic aegirine is found in rocks of the Green River Formation in Utah, Wyoming, and Colorado. Typical...Complex, Nigeria; and widespread in the rocks of East Africa. SELECTED REFERENCES: Cannillo, E., et al., Am...and at localities in Madagascar and Swaziland, Africa. SELECTED REFERENCE: Palache et al., Dana's System...at the Dutoitspan diamond mine, Kimberley, South Africa; as small crystals with calcite in a spurrite rock |  | | Book (edition) | | names, particularly those of the new republics of Africa and Asia, has caused problems. Where possible these...intermediate and acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals occurring...Such rocks were first found in Kimberley, South Africa, and because they did not resemble any currently...have been found subsequently in other parts of Africa, Siberia (Figure 1.11), India, Figure 1.11 Diamond...perhaps in a river system, the resulting deposits are called alluvial. In the headwaters of a river system |  | | Book (edition) | | Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin. (peninsula)...South America and Greenland, then Europe, Asia, Africa, Australia, and Antarctica), then those of pegmatitic...drill cores from oil shales of tl~e Acanthite Green River Fonnation in Uintah County. Utah. and m (2.B. acanthite...byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20...western Sayan Mts., white at Burumskoye, Vitim River Valley, all Siberia, Russia. In many localities |  | | Book (volume) | | uramarsite discovered in the Bota-Burum U deposit, Southern Kazakhstan, was detected by characteristic bands...Solongo boron deposit, basin of the Vitim river, southern part of the Vitimskoe plateau, Buryatia, Transbaikal...Solongo boron deposit, basin of the Vitim river, southern part of the Vitimskoe plateau, Buryatia, Transbaikal...Piskanya boron deposit, near Baljevac town, 60 km southern of Kraljevo, Serbia. Description: White-grained...No. 90 , Nalednoe deposit, upper reaches of Jana river, Sakha Republic, Russia. Description: Dull columnar |  | | Book (edition) | | Mapimi, Durango, Mexico; at Tsumeb , South West Africa; and at Laurium , Greece. Other occurrences are...authigenic acn1ite is found in rocks of the Green River formation in Utah, Wyo1ning, and Colorado. Typical...Mediterranean Sea; and widespread in the rocks of East Africa. BEST REF. IN ENGLISH: Winchell and Winchell, "Elements...and at localities in Madagascar and Swaziland, Africa. BEST REF. LN ENGLISH: Palache, et al. , "Dana's...at the Dutoitspan diamond mine, Kimberley, South Africa ; and as sn1all crystals with calcite in a spurrite |  | | Journal (volume) | | (03) 9872 4000 New Zealand: (09) 308 2871 South Africa: (011) 265 4304 ā¢ Or visit the De Agostini website...(03) 9872 4000 New Zealand: (09) 308 2871 South Africa: (011) 265 4304 What are minerals? 1 Glossary...comes from Minas Gerais, Brazil; Madagascar; South Africa; and Maine and other regions of the USA. Minor...where the gems have been deposited by a flowing river or stream when the rock in which they originally...examples are found in the valley of the lrawaddy River, north of the country's capital , Rangoon . Sri |  | | Journal (article/letter/editorial) | | showing delicately colored tones of pinkish-orange to orange pink hues. All three modiļ¬cations of precious...Australia and from gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium...03.02). Chromium deposits of this type in South Africa and Zimbabwe contribute to more than 90% to the...Archaean age such as the Bushveld Complex, South Africa. Stratiform Cr deposits account for the majority...Greenland, and funnel-shaped subtypes (Bushveld, South Africa, Great Dyke, Zimbabwe, Muskox, Canada, Dore Lake | | | Journal (article/letter/editorial) | | showing delicately colored tones of pinkish-orange to orange pink hues. All three modiļ¬cations of precious...Australia and from gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium...03.02). Chromium deposits of this type in South Africa and Zimbabwe contribute to more than 90% to the...Archaean age such as the Bushveld Complex, South Africa. Stratiform Cr deposits account for the majority...Greenland, and funnel-shaped subtypes (Bushveld, South Africa, Great Dyke, Zimbabwe, Muskox, Canada, Dore Lake |  | | Book | | colourless, monoclinic crystals from Kimberley, South Africa. Named after Mr. Alpheus Fuller Williams, of Kimberley...Bariand, and J. Geffroy, 1972. Min. Mag. 38, 781. Orange orthorhombic crystals, a 14-04, b 24-07, c 14-13...75H20, as compact turquoise-blue masses, from the river Aidyrly (p. AnabipjiMbi), Urals. Named from locality...A. Reay, 1971. Amer. Min. 56, 416 (Akatoreite). Orange-brown sheaves of prisms from Akatore Creek, Dunedin...very near that of marcasite. Named for the Alazani river, Georgia. [The name should not have been given.āM |  | | Book | | Society of South Africa, Transactions, 1896-, Marshalltown, Transvaal, South Africa. Geological Survey...Metallurgy, Private Bag 7, Private Bag X3015, South Africa. Natural Resources Forum, 1976-, United Nations...Theory of Crystallization Goniometry Gossan Green River Mineralogy Blacksand Minerals and Metals Blowpipe... D .C 2005 2. of Geology, George , . Green River Mineralogy. JAN KUTINA, and Tectonics Director...occurring abrasive that is as found in North Africa, basically an amorphous silica or diatomaceous |  | | Book (edition) | | 75'. 1 79.57'. Z= I [PDF 29-20021. From the Green River Formation in (TL) Uintah Co .. Utah. USA. Named...(TL) Achtaragda (or Achtarynd.a ). trib. of Yilui river. Siberia. USSR. Named for locality. An aggregate...fPDF 29-330). (TL) Dutoitspan, Kimberley, South Africa. Named for A.F. Williams. Agalitc, syn. of talc...distinct banding. Named for an occurrence on the River Achates Axa'TTJļæ½ in Sicily. although the nan1c achates...P. Butuzov ( 1 950 Ibid.) 79. 28. (TL) Aidyrly river. Urals. USSR. Named for locality. Aidyrlyit. mis-translitcration |  | | Report (issue) | | suite of lower Palaeozoic posttectonic granites, southern India, by M. N. Balasubrahmanyan and A. Sarkar...the >3790 m.y. old Sand River Gneisses, Limpopo Mobile Belt, Southern Africa, by J. M. Barton, Jr., B...evidence for Pleistocene climatic change in East Africa, by T. E. Cerling, R. L. Hay, and J. R. O'Neil...Isotopic studies of speleothems from a cave in southern Missouri, U.S.A., by R. S. 165 Harmon, H. P. Schwarcz...studies of Precambrian supracrustal rocks at the southern margin of the Archean craton of south-west Greenland |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | alogy: Materials, Processes and Uses. Upper Saddle River, NJ: Prentice-Hall. Ciullo, P.A., editor . 1 996...rutile, and zircon. The same is true for South Africa, a leading producer of chromite, manganese, diamonds...comfortably in several slots. Igneous Complex in South Africa , the Gre at Dyke of Zi mbabwe, northern Finland...nmetallurgical grades to still fe wer, namely Sout h Africa, the Phi lippines, T urkey, Greece, Finland, Albania...Diamondiferous k imberlites are concentrat ed in southern Africa, the Siberian Platform, Brazil, and Western |  | | Book | | 0001. 7 3 96 Council for Geoscience of South Africa $ btainable from the Council for Geoscience (Geological...EEsod) DEOdi antecedent stream; event; inverted river; organic; photomicrograph; plaster conglomerate;...photographs are also much in use. Geologists in South Africa are employed by mining houses or the Council for...localisation of earthauakes and tremors in South Africa and the Surrounding oceans and also determine the...bv . Cape Supergroup: Kaap Supergroep e Berg River Formation: Bergrivier Formasie . Bushveld Complex: |
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