 | | Journal (article/letter/editorial) | | the metalliferous zone is sandwiched between the Western Rift Valley and the Karroo transgression of the...Sn, Nb, W, Au Cu, Co, U, Zn region Ituri, Uele, Kivu, Tanganyika Uganda, Ruanda, Maniema, Katanga Katanga...685 million years. Kalongwe ores from the same region are 615 and 780 million years old. Nkana pitchblend...also in Kibara rocks is 980 million years old. Uganda euxenites from Kagadi give 920 and 1870 million...Ituri, 2) the Uele gold belt, 8) the Kilembe copper-cobalt mine in Uganda. The K i 1o deposits on the Congo-Nile |  | | Journal (article/letter/editorial) | | δ13Ccarb marbles from the Ruwenzori Mountains, Uganda: Implications for the age of the Buganda Group...online 12 October 2013 Keywords: Buganda Group Uganda Paleoproterozoic Lomagundi carbon isotope excursion...of the arcuate Ruwenzori Fold Belt, in southern Uganda, separating the Archean granite–greenstone terranes...from the Archean high-grade gneisses of the North Uganda terrane. It consists of a metasedimentary succession...of marbles from the Ruwenzori Mountains in western Uganda, which has a bearing on the age of the Buganda |  | | Report (issue) | | • • • • 81 • • • • • • • • • 86 Uganda • • • • Union of South Africa Canada • • • ...Nkana, Northern Rhodesia . . . . . . . The Kilembe area, Uganda . . . . . Major cobalt deposits of Canada...Selection Trust Ltd.; Rhokana Corporation Ltd.; Rhoanglo Mine Services Ltd.; Anglo-American Corporation of South...in cobaltiferous pyrite concentrate produced in Uganda and stockpiled there for economic reasons. Amongst...which cobalt is the principal commodity extracted. Western Gern1any extracts a large quantity of this m.etal |  | | Journal (article/letter/editorial) | | investigation of the Ruwenzori Mountains in western Uganda which lie astride the tectonic front between...2,600 m.y. belonging to the Basement Complex of Uganda. Foliation in the Archean gneisses trends north-northeast...work carried out in the Ruwenzori Mountains of Uganda, a key area for deciding the relation between the...Supergroup (pre-2,000 m.y.) and the Basement Complex of Uganda, and one in which possible extensions of the Kibaran...h e Ruwenzori Mountains, situated east of the Western Rift Valley, rise to 5,100 m (>16,000 ft) and provide |  | | Journal (article/letter/editorial) | | minor amounts (<10%) of other minerals (chiefly quartz and sulfides). In the absence of other boron-bearing...particular, two analyses of a sample from the Ore Knob mine, North Carolina (no. 11119/29), yield 6liB values...32 HP-388 -8.14__+0.36 JS-87NB-9A -8.22-+0.36 Kilembe-1 -7.74_0.34 JS-79N-I --12.11__0.24 (-- 12.79 -+0...Elizabeth mine, Vermont Devonian(?) Amphibolite 1, 2 Cu, Zn, Ag Cu, Zn Elizabeth mine, Vermont Pike...Pike Hill mine, Vermont Devonian(?) Devonian(?) Amphibolite Amphibolite 1, 2 2, 3 Cu, Zn Cu, Zn |  | | Journal (article/letter/editorial) | | Rdde, near Moss, mossite, 553Gran Hadeland, Oslo region, zoned pyroxenes and amphiboles from camptonites...Sweden (Sverige) Gladhammar mine, nickel-rich carrollite, 737 Harstig mine, Pajsberg, sarkinite, 681 Norr6...Norr6, arrojadite (hiihnerkobelite), 23o Sjo mine, Grythytte Parish, Orebro, xantharsenite, polyarsenite...Court farm, Ramsgate, Kent, chalk, i6o Tynebottom mine, Garrigill, Cumbria, arsenical marcasite, gersdorffite...kidwellite, 952 WALES(Cymrul Dyfed, illite, 857 Parc mine, Gwynedd, hydrozincite, nickeloan hydrozincite, |  | | Journal (article/letter/editorial) | | mineralogical and geochemical investigations support a western, more granitoid provenance of the upper fluviolacustrine...(Figure 2), forming a northeast-striking hilly region, which has the typical geomorphological expression...a typical E-facing half-graben asymmetry. Its western limit corresponds to a steep and almost continuous...1 0.0 - 0.3 0.0 0.0 - 1.7 0.2 0.0 - 0.9 Quartz The gneisses have a prominent E-W striking, axial...rocks, containing thin (1 to 3 cm) alternating quartz-feldspar rich and mica-rich bands arranged parallel |  | | Journal (article/letter/editorial) | | . . . . . . . . . 1.4 Northern and western Europe . . . . . . . . . . . . . ... . . . . . . . . . 1.9 Middle East (Western Asia) . . . . . . . . . . . . . ...closely link geomorphological (land)forms in a region with the climate during a certain period of time...and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...zone ( Quaternary < 2 Ma) Muwanga 1997 Kilembe/ Kasese Uganda Dill et al. 1991 Nuba Mts. Sudan Flicoteaux |  | | Journal (article/letter/editorial) | | of hydrochemical monitoring of 15 rivers in the western East African Rift, together with the geochemistry...tephras, and to a minor degree due to amphibolites. Quartz-derived 10Be erosion rates fail to predict these...of these factors in the western branch of the East African Rift System (Uganda) which shows a pronounced...maximum altitude of 5109 m and the plateau region of western Uganda (Fig. 1). Most basement rocks belong to...rates of this study. Fig. 1. Study area in western Uganda with sampling locations of rivers (Hill shade |  | | Report (issue) | | column 1, line 16, should appear as follows: "Western Mining Corporation, owner of Kwinana, has processed...mines and those of other companies having mines in Western Australia. Statistics relating to cobalt products...canhnot be traced to specific mines in Western Australia." Western Mining Corporation does not process concentrates...all feed for the refinery has come from mines in Western Australia. The first entry in table 15, on page...resources and mine production by geologic deposit type. . . 5. Distribution of cobalt resources and mine and metal |  | | Journal (issue) | | REPORTS FROM THE GEOLOGICAL SURVEYS Kenya • • Uganda • • • Tanganyika • Nor them Rhodesia Cyprus...189 189 COLONIAL GEOLOGICAL ABSTRACTS Part 2.-Uganda . • • • • • • • 191 BOOK REVIEWS Africa...endeavours to appraise the total water resources of a region and to dev-elop the maximum supplies for all purposes...knowledge of the available water resources of a region is a pre-requisite to wise planning and successful...example, in the arid and semi-arid regions of the western United States, that part of precipitation which |  | | Journal (issue) | | 284 286 • • • • • • • • 289 292 Kenya. Uganda Northern Rhodesia Nyasaland • • • • • •...The Ruwenzori Mountains lie in western Uganda on the margin of the western branch of the Rift Valley System...the old.er 1 Formerly Assistant Director of the Uganda Geological Survey, and Director of the Geological...much the same pattern of forces has acted in the region from the earliest (Ubendian) diastrophism and successive...bands of the Ruwenzori Group at both eastern and western margins of the massif indicates up to 5 miles of |  | | Journal (article/letter/editorial) | | nature of the quartz,which is locally microcrystalline and horny, the parallellayeringof quartz, silicatesand...within a mile downstream. In the streamwater of the Kilembe copper districtin Ugandacoppercouldnot be detectedand...experience of the highcopper values in manyacidulated mine-waters, Garlick(5) hasrecently suggested thatthe... Geochemical prospecting studies in the Kilembe area, Uganda: Technical Communication No. 9, Geochemical...geological survey of the Upper Mississippi valley lead region, Albany, N.Y., 424 pp. 30. Yanitsky, A. L., 1960 |  | Griffin, William L., Slack, John F., Ramsden, Anthony R., Win, Tin Tin, Ryan, Chris G. (1996) Trace elements in tourmalines from massive sulfides deposits and tourmalinites; geochemical controls and exploration applications. Economic Geology, 91 (4) 657-675 doi:10.2113/gsecongeo.91.4.657 | Journal (article/letter/editorial) | | andareconsidtraceelementdataarelikelyto be contaminated by quartz, ered conservative estimates. sulfides,and/oro...recrystallized duringregional (and from the Ore Knob mine (North Carolina) and the Prieska in onecasecontact)...onecasecontact) metamorphism, whichtypically hasde- mine(SouthAfrica)mayalsobe premetamorphie, because velopedcoarse...from Elizabeth mine,Vermont; CP-16,coarse crystals, 1-7 cmlong,withinmatrixof quartz,dolomite, andminorpyrrhotite...andchalcopyrite, fromEly mine, Vermont; JS-79N-3, prismatic crystals <1 cmlong,in matrixof quartz,minorgalena, andsparse |  | | Journal (article/letter/editorial) | | chlorite, recrystallization of calcite and some quartz precipitation have been reported from several rift...poikilotopic configurations, and new generations of quartz and clay minerals such as e.g. illite. The precipitation...Polyphase rifting is common in both the eastern and western branches of the East African rift system, overprinting...Carboniferous to Triassic age rift basins of both western SOUTH AFRICAN JOURNAL OF GEOLOGY, 2002, VOLUME...do not show any half graben polarity reversals (Kilembe and Rosendahl, 1992), as does the Kilombero Karoo |  | | Journal (article/letter/editorial) | | with special ~f%~~ the Uganda Probtorate P. G. JEXWERY C:eologioal Survey of Uganda and Department of Chemistry...tungsten in 273 samples of rocks and minerals from the Uganda Protectorate. The sampling is thus restricted to...tungsten, with special reference to the rocks of the Uganda Protectorate determinations of tungsten in carbonate...tungsten, with special reference to the rocks of the Uganda Protectorate (1958) has however shown that in...281 P.G.JEFFERY Table 2 Region g.m. No. of samples Northern Uganda (Karamojrt, Teso, Lango, Acholi |  | | Catalog/List | | concentric layers, associated with a little ';alcite and Quartz. 2ixlt". £6.jC ANDRADITE variety ME~NITE. San Benito...Chloritised rock. 2xlixl". £3.25. ANGLESITE. Redgill Mine, ~aldbeck, Cumberland. Translucent ~( transparent...crystals to 5 mm. L size, a gregated and scattered on Quartz/Galena matrix wi" minor rods of Cerussite in places...Carbonotite matrix. lxt". £1.65. BARYT~S. Force Crag MinE, NI'. Keswi~k, ~umberland. Lustrous, crEamy white...75; Specimen B - 2x2". £1.25. B' YTES. ilverband Mine, Dun fEll, WEstmoreland. SpE imEn A An intergrown |  | | Journal (article/letter/editorial) | | eastern branch, -p and a younger, less exposed western branch that is characterised deep rift lakes, dense...Rift Basin is one of the few re segments of the western branch receiving extensive geological attention...products of the earliest volcanic events in the western branch, and they are coeval with EARS development...Miocene tectonomagmatic development elsewhere in the western branch, such as ~21 Ma nephelinites of Idwige Island...the Usangu Basin and Tukuyu Journal Pre-proof region of the Rungwe Volcanic Province (RVP) (Fig. 1b) |  | | Journal (article/letter/editorial) | | United Kingdom Abstract Au mineralization in the western Lupa goldfield, southwestern Tanzania was associated...frictional failure and sliding during emplacement of quartz ± Au-bearing veins; and (2) crystal plasticity...the two dominant structural trends within the western part of the Lupa goldfield, southwestern Tanzania...a comprehensive structural description of the western Lupa goldfield. We combine observations of structures...Zone inferred Geologic Contacts 0 1729 m 7 quartz diorite superficial deposits 8 Dike Magnetic |  | | Catalog/List | | azurite/chalcocite matrix. 2x2x1-t", £4.5Op 4. AZURITE. Tynagh Mine, Co. Galway, Eire. Select cellular mass of bright...places. ~2-tX1t", £11.00 5. BARYTES. Mt. Wellington Mine, Twelvehead~, Cornwall, Specimen A: Lustrous well...in size thic.kly scattered over milky pyramidal qUartz crystals covering quartzose veinstuff. 2tx2x2"...that were f~und last century in the Ale & Cakes mine in Gwennap; barytes is a rare mineral in the Cornish...scattered over creamy Calcite crystals covering quartz matrix. 2-tx2", £4. 50p· 8· BERYL variety EMERALD |  | | Catalog/List | | 2~-x2xl". £3.50. 6. 7. 8. APATITE. Great Work Mine, 8reage, Cornwall. Small sharp transparent colourless...enish Chlorite veinstuff with a little Fluorite and Quartz. 3x3xl~". £7.00. APOPHYLLITE. Jewel Tunnel, PoorJ...a 2xl~" area on Basalt matrix with small sharp Quartz crystals and odd pale greenish crystalised masses...transparent Quartz on cellular Arsenopyrite mat rix. 3b<4x2t". £33.00. ARSENOPVRITE. Hingston Down Mine, Gunnislake...matrix. 2tx2xlt". £3.50. BARVTES. settlingstones Mine, Hexham, Northumberland. Sharp, lustrous, creamy |  | | Journal (article/letter/editorial) | | dolerite, gabbro. norite. amphibolite, pyroxenite, quartz diorite. BALL, JOHE: (1912) The meteorite of El...Belgian Congo: 9; basalt, gebbro, quartz gabbro, tonalite, quartz anorthosite. granite. BODIN, LBON (1961)...107 pp. Ft. Weat Afr.: 35; granite, granodiorite, quartz diorite, diorite. monzonite, plauenite, amphibolite...pp. Fr. Wed Aft.: 23; granite, norite. diorite, quartz diorite, gabbro, schist, gneiss, amphibolite, pyroxenite...near Mwirasando tin occurrences: Uganda Geol. Surv. Bull. 1, 5%54. Uganda: 1 granite. BRIDGES, R. J. (1936) |  | | Catalog/List | | 1" in sizo, thickly intergrown on Arsenopyrite/Quartz matrix with h;o b12c:...matrix.~xltxlt". £2.50. 6. ARTHURITE. Hingston Down Mine, Nr. Callington, Cornwall. Specimen A - Rich lime...crystals to 2~" in length, richly embedded in milky Quartz. 3x2-}x 2 " • £4.50. 8. AUTUNITE. Bess:·.nes...display. 7~x4x2" .£22.00. 10. AZURITE. Ting Tar.g Mine, Gwannap, Cornwall. Rich, Bright blue small sparkling...crystals and crystal crusts scattered over Slate/Quartz veinstuff. Specimen A 3x2-txlt". £4.75; Specimen |  | | Catalog/List | | 2xlt". £4-. 7. ANDRADITE GARNET. Belstone Consols Mine, Nr. Okehampton, Devon. Sharp, lustrous, well formed...of arsenical compounds in the shale during a coal mine fire. Distinct crystals of Native, rsenic in nature... £4. 21. ~UGITE. 22. BOURNONITE. Herodsfoot Mine, Lanreath, Cornwall. Bright, slightly tarnished...crystalised Pyrites on Quartz matrix. 2-}x2". £5. 23. BOURNONITE. Herodsfoot Mine, Lanreath, Cornwall...crystals ri hly intergrown with crystalised milky Quartz. lxi". £1.25. Jacobsberg, Wermland, Sweden. Lustrous |  | | Journal (article/letter/editorial) | | beautiful specimens are found of snowy-white drusy quartz which line cavities of gray chert. California—R...of black, crystallized ferberite from the Conger Mine, near Nederland, Boulder Co., Colo. It is good to...consisting of about 22 minerals of which garnet and quartz seem to be the most common. Along with the sand...(microcline, orthoc'ase, albite, oligoclase, anorthite), quartz, mica (biotite, muscovite) obsidian and gold??...examination not one jasper was found—they were all common quartz stp.'ned brown by limonite. Florida—At Daytona |
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