 | | Journal (article/letter/editorial) | | U-PbColumbite Ageof Neoproterozoic Ta-NbMineralization in Burundi ROLF L. ROMER Department of AppliedGeology, Lule•...ofcolumbite fromtheKivuvu andRuhembe pegmatites in Burundi precisely determines the ageof the mineralization...provincearelocatedin easternZaireandRwanda.Economiin Burundi callylessimportantore deposits in southern Uganda...centuryandwasfocusedon goldand eassiterite, whereas Zaire, Burundi,westernmostTanzania,and Rwandato southwolframite...riftingof the Archcan niobium-tin production of Burundi isfromsluicing of alluvial to Paleoproterozoic |  | | Journal (article/letter/editorial) | | Northweststriking lineament - the Ruhembe Transfer Fault (RTF). The Ruhembe Transfer Fault is a major dextral...- Gombati Transfer Zone RF - Ruaha Fault RTF - Ruhembe Transfer Fault SOUTH AFRICAN JOURNAL OF GEOLOGY...opaque minerals comprise magnetite, hemo-ilmenite, hematite, limonite and pyrite. Locally, minor quartz-microcline...granitic composition (Gabert, 1973). This granitoid province covers a large area to the south of Iringa, as...groups (Figure 3): the Mikumi Group (youngest), the Ruhembe Group, the Msolwa Group, and the Ndeke Group (oldest) |  | | Journal (article/letter/editorial) | | hydrothermal quartz veins. Many deposits in the province occur in siliciclastic metasedimentary, or metabasaltic...platinum) province; and the early Neoproterozoic (1 Ga) Kibara rare metal and gold province that is the...application of modern concepts and technologies, this province is drastically underexplored. Keywords: Gold,...felsic intrusions. Geographically, this giant metal province comprises Kivu and Maniema, as well as major portions...Republic of the Congo (DRC). It also includes Burundi and Rwanda, and marginal territories of Tanzania |  | | Journal (article/letter/editorial) | | Early diagenetic precipitation of evaporites, hematite and calcrete along with feldspar dissolution,...activity. Under such conditions new generations of hematite, calcite and clay minerals were formed, partly...lacustrine settings, while the late phase (the Ruhembe and Mikumi groups) includes fandeltaic/lacustrine...Rukwa-Songwe/Kiwira and Kilombero area, the Usili Formation and Ruhembe Group respectively (Figure 2) (Wopfner, 1989; Dypvik...The most common diagenetic mineral phases are: hematite, carbonates (calcite, dolomite, ankerite), clay |  | | Journal (article/letter/editorial) | | ERA Changxingian Mikumi 1151 [14} J K5 : Ruhembe Beds I Longtanian 2so Capitanian P Wordian... and mudstones (some red) referred to as the "Ruhembe Beds". Samples were collected at three sites in...groups (VI-VIII) correlate lithologically with the Ruhembe Beds, consisting predominately of sandstones, shales...Luwegu Basins correlate lithologically with the Ruhembe Beds in the Mikumi Basin, where palynologic data...Permian age [31]. Lithologic correlation of the Ruhembe Beds and the K4 and K5 units in the Ruhuhu and |  | | Book | | MINERALS& GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published...of East Africa 10 East African resources 12 Burundi 13 Kenya 14 Rwanda 16 Tanzania 17 Uganda 20 Gemological...commonly known that neighbouring Uganda, Rwanda and Burundi are also sources of some interesting material (for...overview of each of the five featured countries - Burundi, Kenya, Rwanda, Tanzania and Uganda - and introduces...defined here as Tanzania, Kenya, Uganda, Rwanda and Burundi, is famous for its world-class gemstones and mineral |
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