 | | Journal (article/letter/editorial) | | 22$2.50 1 18 AGE OF ALTERATIONAND VEINING, MUSOSHI,ZAIRE 119 [râ˘;'⢠'i!/;'/ â˘GURUME }?_:â˘USONOâ˘...KROGH,AND SPOONER SHABA,ZAIRE Series ZAMBIA(Musoshi) Group Group Arkosâ˘cSst Dolomilic Upper Tillire...___ 40 m.y. for microcline-bearing "pegmatite" veins at the RoanAntelope and Musoshi deposits (Cahen...rutile U-Pb geochronologyof similar veins from Musoshi,presentedhere (see below). Cahen et al. (1970a)...of four analyses from RoanAntelope and one from Musoshi,do not define nificance. of mineralized Lower |  | | Journal (article/letter/editorial) | | Development, Groupe G. Forrest International, Lubumbashi, Congo b Department of Geology, University of Botswana...African Copperbelt in both Democratic Republic of Congo (Congo hereafter) and Zambia, which represent the most...forms a northward convex structure, straddling the CongoâZambia border and called âLufilian Arcâ. It was...east-northeastwards through Kolwezi and Likasi (Congo), and southeastwards to Bwana Mkubwa (Zambia) and...Group is called the âMwashya Subgroupâ or âR 4â in Congo (formerly âSystème Schisto-Dolomitiqueâ of Van den |  | Heijlen, W., Banks, D. A., Muchez, P., Stensgard, B. M., Yardley, B. W. D. (2008) The Nature of Mineralizing Fluids of the Kipushi Zn-Cu Deposit, Katanga, Democratic Repubic of Congo: Quantitative Fluid Inclusion Analysis using Laser Ablation ICP-MS and Bulk Crush-Leach Methods. Economic Geology, 103 (7) 1459-1482 doi:10.2113/gsecongeo.103.7.1459 | Journal (article/letter/editorial) | | Mineralizing Fluids of the Kipushi Zn-Cu Deposit, Katanga, Democratic Repubic of Congo: Quantitative Fluid Inclusion...Zn-Cu deposit of Kipushi, central African copper belt, Katanga, Democratic Republic of Congo, have been subjected...and the origin of the mineralizing fluids. The Kipushi deposit is hosted in carbonates and partly in siliciclastic...geothermometry framed the formation temperature of the Kipushi Cu-Zn deposit between ~290° to 380°C. Younger fluids...of barite and the occurrence of Ba silicates at Kipushi indicates that sulfide mineralization occurred |  | Batumike, M.J., Cailteux, J.L.H., Kampunzu, A.B. (2007) Lithostratigraphy, basin development, base metal deposits, and regional correlations of the Neoproterozoic Nguba and Kundelungu rock successions, central African Copperbelt. Gondwana Research, 11 (3) 432-447 doi:10.1016/j.gr.2006.04.012 | Journal (article/letter/editorial) | | UniversitĂŠ de Lubumbashi, B.P.1825, Lubumbashi, Congo Department of Earth and Planetary Sciences, ARC...Marinoan/Varanger glacial events. The Kaponda, Kakontwe, Kipushi and Lusele Formations are interpreted as cap-carbonates... Kamoto, Nchanga) and massive PbâZnâCu (e.g., Kipushi) ore deposits hosted within the Katangan sedimentary...belt is bordered to the northwest by the Archean Congo Craton and the Mesoproterozoic Kibaride belt, to...where they host PbâZnâCu deposits, such as at Kipushi, Kengere and Lombe (Fig. 1; e.g., Intiomale and |  | | Journal (article/letter/editorial) | | Kabompo Western Middle Lu filian 12°S Solwezi Musoshi Kasumbalesa Chililabombwe Mwombezhi Solwezi ...Political borders Nguba & Kundelungu Group Mafics in Katanga Supergroup Mwashya Group Basement Complex - granites...www.solid-earth.net/9/1011/2018/ Fm 15 N Kipushi 1013 Lubumbashi Kakontwe 14 Mwale Mwashya...and strain partitioning Bancroft 16 Solwezi Musoshi Kanwangungu Roan Upper Roan Middle Lufilian...50 km cal borders Conglomerate/arkose cs in Katanga Supergroup Nchanga red granite 1 2 28° 27°E |  | Richards, J. P., Cumming, G. L., Krstic, D., Wagner, P. A., Spooner, E. T. C. (1988) Pb isotope constraints on the age of sulfide ore deposition and U-Pb age of late uraninite veining at the Musoshi stratiform copper deposit, Central Africa copper belt, Zaire. Economic Geology, 83 (4) 724-741 doi:10.2113/gsecongeo.83.4.724 | Journal (article/letter/editorial) | | (1988), the age of a late hydrothermalevent at the Musoshi deposit,apparentlyunrelatedto andlater thancopper...Lower Roan The geologyand tectonicsettingof the Musoshi Group at the baseof the Katangansystem),nor the... 726 RICHARDSET AL. SIMPLIFIEDSTRATIGRAPHY, MUSOSHI,ZA'I'RE / / ////// ,, Do,am,t. y// !:.: .â˘C;...'// '// //,/⢠/ / / / â˘. ⢠Pyrlhcsandy / MUSOSHI fm. (â˘00m) dolomite â˘..... ,*⢠,,.,*/,,,,,. ...enbarren zone is separatedfrom the mineralizedrock MUSOSHI Cu DEPOSIT, ZAIRE: AGE CONSTRAINTS by a slightlydiscordantred |  | | Journal (article/letter/editorial) | | tourmaline, and chlorite. Quartz veins from the mine sequence show halite-saturated ďŹuid inclusions,...during the collision of the AngolaâKalahari and CongoâTanzania Plates, with associated NE-directed thrusting...deposits of Zambia and the Democratic Republic of Congo (Porada and Berhorst 2000). The stratigraphy of...suggest that ďŹnal continental collision between the Congo and Kalahari Cratons occurred at 530 Ma. Unrug (1988...a northern zone, in the Democratic Republic of Congo, of tightly folded, thin-skinned thrust sheets of |  | Hanson, Richard E., Wardlaw, Melissa S., Wilson, Terry J., Mwale, Giddy (1993) Uî¸Pb zircon ages from the Hook granite massif and Mwembeshi dislocation: constraints on Pan-African deformation, plutonism, and transcurrent shearing in Central Zambia. Precambrian Research, 63 (3) 189-209 doi:10.1016/0301-9268(93)90033-x | Journal (article/letter/editorial) | | deformation-inducedrecrystallization. Quartz, microcline, and plagioclase form a very fine-grained (0...grains. Myrmekite commonly invades edges of relict microcline phenocrysts and is preferentially developed on...formed by deformation-induced replacement of the microcline (Simpson and Wintsch, 1989; Vernon, 1991 ). ...Megacrystic granite is characterized by abundant microcline megacrysts up to 3 cm in length that are wrapped...in Fig. 4. and are contained in a matrix of microcline, plagioclase, quartz, biotite, and less common |  | El Desouky, H. A., Muchez, P., Dewaele, S., Boutwood, A., Tyler, R. (2008) Postorogenic Origin of the Stratiform Cu Mineralization at Lufukwe, Lufilian Foreland, Democratic Republic of Congo. Economic Geology, 103 (3) 555-582 doi:10.2113/gsecongeo.103.3.555 | Journal (article/letter/editorial) | | Lufukwe, Lufilian Foreland, Democratic Republic of Congo HAMDY A. EL DESOUKY,â PHILIPPE MUCHEZ, Geodynamics...MINING CONGO SARL, 8034 Avenue Nyota, Quartier Golf, Lumbumbashi, Democratic Republic of Congo Abstract...border between Zambia and the Democratic Republic of Congo, is one of the largest sediment-hosted stratiform...Neoproterozoic sedimentary rocks belonging to the Katanga Supergroup. The Kinkumbi prospect, a sediment-hosted...Lufilian folding and deposition of the entire Katanga Supergroup. The Monwezi Sandstone was subjected |  | | Report (issue) | | \ \I Cover: The De Wet Shaft, Tsumeb mine (photograph by Dr Gabi Schneider, Geological Survey of Namibia)...from the Tsumeb deposit (Namibia) and the Clara mine, Schwarzwald (Germany). At Tsumeb, the phase occurs...zone along 30 Level. The material from the Clara mine is a sulphate-rich variety. 13 --, Type mineralogy...has also recently been described from the Clara mine, Schwarzwald, Germany (Walenta, 1990). The phase...described by Rouse et al. ( 1988) from the Kombat mine. Asisite occurs as transparent yellow to yellow-green |  | | Journal (article/letter/editorial) | | chiefly confined to the Lower Roan Group of the Mine Series which, to the southwest of the central Kafue...trending belt from Luanshya in the southeast, to Musoshi in the Shaba province of Zaire, a distance of 124...variations in the detrital components such as quartz, microcline and orthoclase and the accessory heavy minerals...such as anhydrite, dolomite, calcite, scapolite, microcline and sodic plagioclase are also variably developed...amounts of calcite, dolomite, quartz, anhydrite, microcline, albite, chlorite, sericite, and sulphides. Carbonate |  | | Journal (article/letter/editorial) | | minerals-atmospheric carbondioxideor by quartz-microcline-muscovite. Chloride concentrations were likely...southeastNew Mexico (Sarg, 1981). None of the White Pine mine area, southof the high, and in the aboveexamplesoverlie...Karobore, Tenke, Fungurume, etc.; Shaba Province (Mine Series) "R.A.T." 500 or R1 to 2,500 m Poorly...--(Continued) Interpreted Authigenic Deposit Musoshi, Konkola, Sourcerocks⢠Footwall con- Mufulira...Zambiancopperbelt source rocks,describedascontainingquartz,microcline,and sericitecoupledwith locallyabsentcarbonate(Mendelsohn |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Strata-Bound Copper-Cobalt District, Katanga, Democratic Republic of Congo Dzhezkazgan and Associated Sandstone...Tunnels Au-Ag-Zn-Pb deposit, Montana, United States (mine now exhausted). 1971: Recognized control of ore...high sulfidation epithermal Au-Ag deposit, Chile (mine now exhausted). 1971: First formal recognition...which led to discovery of Perkoa Zn-Pb-Ag deposit (mine under construction). 1990: Recommendation of Cerro |  | | Book (volume) | | years. The Precambrian of the R epublic of the Congo and of the tvvo small adjoining states, Rwanda and...during brief field trips under the expert guidance of Dr. H ENRI BESAIRIE. The similarity between the metamorphosed...em¡i Besairie . . 133 The P RECA1\1BRIAN OF THE CONGO, RWANDA, AND BURUNDI by L. Cahen and J . Lepersonne...GNEISS ~ DHARWARS CUDDAPM(S ⢠CHIT T OOR MA DR AS I 3⢠7 8° 80⢠JTrG. 8. Geological sketch rnap...dated a specimen of cyrtolite from the Sankara 1nica mine in the Nellore district, Andhra State, by the lead-alpha |  | | Book | | Min. Rev.) ComitĂŠ Special du Katanga, Service des Mines (Com. Spec. Katanga, Serv. Mines) (all publications)...gĂte de wolfram, molybdĂŠne et cuivre d'Azegour (Haut-Atlas, Maroc) et dans celle du gĂte de manganese...50, p. 164-168 Heim, Î., 1 9 3 4 , The molybdenum mine at Azegour: Soc. Econ. Geol., v. 29, p. 76-83...Allanite et epidote dans des corneennes de la mine d'Azegour, Haut-Atlas: Serv. Geol. Maroc. Notes et Mem....gisement de molybdĂŠne, tungstene et cuivre d'Azegour (Haut Atlas), etude petrographique et metallogĂŠnique: |  | Corfu, F., Muir, T.L. (1989) The Hemlo-Heron Bay greenstone belt and Hemlo Auî¸Mo deposit, Superior Province, Ontario, Canada 2. Timing of metamorphism, alteration and Au mineralization from titanite, rutile, and monazite Uî¸Pb geochronology. Chemical Geology: Isotope Geoscience section, 79 (3). 201-223 doi:10.1016/0168-9622(89)90030-4 | Journal (article/letter/editorial) | | widespread sericite ) ; potassic alteration (microcline, marked negative sulphur isotopic composition...quartz; fsp = feldspar; plag = plagioclase; mi = microcline; bi = biotite; hbl = hornblende. The first term...felsic volcanic rock that contains hydrothermal microcline; and PWp, an altered, plagioclase porphyry dike...paragenesis that includes phlogopite, muscovite, microcline, calcite, titanite and scapolite (Walford et...addition of K and the resultant formation of microcline, albite, quartz andphlogopite from biotite, oligoclase |  | | Book | | at our disposal. We are particularly indebted to Dr Dorothy H. Rayner who unstintingly placed her wide...efficient clerical vii vill PREFACE service; Dr Joan M. Rooke and Mrs E. R. Nutt for their assistance...In the Kibali Belt of the northern part of the Congo, the Kibali Group includes schists, quartzites,...southern Tanzania, northern Zambia and the eastern Congo. This northwest-southeast trending belt (Fig. 2)...Rb-Sr ages of 20002100 m.y. for muscovite and microcline from schists and pegmatites respectively give |  | | Journal (issue) | | last is chiefly a pink even-grained quartz - microcline oligoclase - biotite - hornblende - rock passing...with chess-board structure due to replacement of microcline during deformation. Other products include garnet...under A. ROBINSON, an Englishman, arrived at the mine. Twenty tons of bornite and chalcocite were soon...Julia mine. Further difficulties followed when supply ships were lost at sea and in 1855 the mine was abandoned...good deal of extracted ore. From 1905 to 1914 the mine was again operative under Gr0nlandsk Minedrift A/S |  | | Journal (article/letter/editorial) | | last is chiefly a pink even-grained quartz - microcline oligoclase - biotite - hornblende - rock passing...with chess-board structure due to replacement of microcline during deformation. Other products include garnet...under A. ROBINSON , an Englishman, arrived at the mine. Twenty tons of bornite and chalcocite were soon...Julia mine. Further difficulties followed when supply ships were lost at sea and in 1855 the mine was abandoned...good deal of extracted ore. From 1905 to 1914 the mine was again operative under Grønlandsk Minedrift A/S |  | | Report (issue) | | CENTRAL AFRICAN REPUBLIC CHAD CHILE CHINA COLOMBIA CONGO COSTA RICA CĂTE DâIVOIRE CROATIA CUBA CYPRUS CZECH...CZECH REPUBLIC DEMOCRATIC REPUBLIC OF THE CONGO DENMARK DJIBOUTI DOMINICA DOMINICAN REPUBLIC ECUADOR EGYPT...Lake deposit, located in the eastern grade uranium mine, behind McArthur River. The deposit is owned by...airstrip. Cameco Corporation is the operator of the mine and commercial production started in May 2015. Since...south of the deposit area within which most of the mine access infrastructure is located. The graphitic |  | | Book (edition) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, NâChwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Pe Wr * se vat Š C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee â SS 4 eae wid Bharce Š...ye ty a ara id (ean ÂŽ â1 le hI AAP : oo A Mine seh Ranier âi i : lever vei ekealps ; cet ...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely | | | Book (edition) | | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely...district, and at the Little Emma mine, Clear Creek County; at the Enterprise mine, Dolores County; at the Double...MODE OF OCCURRENCE: Found in waste piles in a coal mine in the L'vov-Volynskii basin, USSR. It is found |  | | Book | | Springer-Verlag Berlin Heidelberg New York 1983 Professor Dr. LAZARUS J. SALOP All-Union Geological Research Institute..."Epiprotozoic", the "Katangan" according to the Katanga Supergroup of Equatorial Africa (or "Adelaidean"...Pegmatite cutting Luanyi gneiss-granulite complex, microcline Charnockite from Kasai complex, rocks Rb-Sr...Tanzania, Tanganyika craton Malawi Zair, Katanga Zair, Katanga Kulp and Engels (1963) K-Ar 3700 Âą 300...supracrustals. These occupy there a very extensive territory (about 300,000 km 2 ), are well-exposed and are |  | | Book | | granite contains an alkali feldspar : orthoclase, microcline, or a plagioclase close to the composition of...or exceptionally, labradorite. Orthoclase and microcline have the formula KAlSi3Os. The plagioclases,...feldspar of granites is either orthoclase or microcline, or both. Recent mineralogical investigations...geology of granite. The names orthoclase and microcline will therefore be still used to designate the...respectively under the microscope. Orthoclase and microcline occur together in a systematic way in a particular | | | Book | | granite contains an alkali feldspar: orthoclase, microcline, or a plagioclase close to the composition of...exceptionally, labradorite. ¡ Orthoclase and microcline have the formula KA1Si3 O 8 ⢠The plagioclases...feldspar of granites is either orthoclase or microcline, or both. Recent mineralogical investigations...geology of granite. The names orthoclase and microcline will therefore be still used to designate the...respectively under the microscope. . Orthoclase and microcline occur together in a systematic way in a particular |
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