| | Journal (article/letter/editorial) | platinum-group minerals of the Freetown Layered Complex, Sierra Leone. 1 John F.W. Bowles1, Saioa Suárez2...rivers and river terraces near York, Freetown Peninsula, Sierra Leone have been examined for their platinum-group...primary and placer PGM support the proposal that the Freetown nuggets developed as a result of breakdown of...Keywords: Platinum-group minerals • Freetown Intrusion, Sierra Leone • Alluvial • Nuggets Introduction...Introduction Alluvial PGM in the western hills of the Freetown Peninsula, Sierra Leone, W Africa were first found | | | Journal (article/letter/editorial) | sulfides and Pt–Fe alloys in the Freetown Layered Complex, Sierra Leone John F. W. Bowles 1 & Saioa Suárez...rocks and saprolite from Horizon B of the Freetown Layered Complex contain platinum-group minerals (PGM)...show progressive weathering (corestones). Ground water passing through the saprolite has transported Pt...Keywords Platinum-group minerals . Freetown intrusion . Sierra Leone . Weathering . Mobility of platinum...and alluvial deposits from the Freetown Layered Intrusion in Sierra Leone, West Africa, since 1926 and | | | Book | study of the properties of minerals in all their complex varietynot only the history of their formation...were among the first metals employed widely for water-pipes and other purposes. Copper and later iron...minerals, and of magnesium from magnesite and sea water, employed as light alloys in the construction of...ionic radii of the corresponding ions. For more complex compounds the lattice energy can be calculated...1 2 3 oC 0N 4 5 Cr 8 s ,se Catio ns in complex an io ns 6 Ionic charge FIG. 2. Jonie radii | | | Journal (volume) | '•I, Report Indian Gold Output, 1918 Indian Water Power (.oncentralioii Calcinations (M.d. Elmore...Kaduna Kalsoorlie, Cost of Kalgoorlie Letter ... Water at Kan bank Progress Kalansa Railway {m.d.) ...Signalling, Dearie and Hohne Method Miner on the Western Front Mineral Industry, Vol. 26 Mineral Output...Wankie Colliery Extensions Wsnlockbead Lead Mine Water Power in Scotland Watermayer, 6. A Ore Reserves...President Wilson to this country was a big event in the days of big events, and the nature of his reception |
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