 | Maiden, K.J., Innes, A.H., King, M.J., Master, S., Pettitt, I. (1984) Regional controls on the localisation of stratabound copper deposits: Proterozoic examples from southern Africa and south Australia. Precambrian Research, 25 (1) 99-118 doi:10.1016/0301-9268(84)90026-3 | Journal (article/letter/editorial) | | Africa) 2 Klein Aub Copper Mine, Klein Aub (SWA/Namibia) 3 Formerly M.T.D. (Mangula) Limited, Mhangura...deposits. The areas studied are: (1) Klein Aub in SWA/Namibia, where deposits are hosted by dark argilites in...mineralisation varies from region to region, and may even vary within the one region; it is not uncommon for...GEOLOGICAL SETTING OF SELECTED DEPOSITS Klein Aub, SWA/Namibia Klein Aub mine is at the south-western extremity...SBAY / > I ~i:::i:~!iiii:i:iiiilt!#:i:!:!~ f WITVLEI " ~'~ I oo B,s ] ' (X /~i~ ~ GHANZ1~2.:~::i |  | | Journal (article/letter/editorial) | | centralAfricancopper thenortheastern extension Aub, Namibia,wherean orebodyof 7 Mt at a gradeof 2 beltinZa...subeconomiccratonicbranch,whichis up to 400 km widein Namibia, copperoccurrence with 1.5 to 2 percentCu is locatedat...a width of 180 to 240 km into Botswana,as Witvlei, Namibia (Anhaeusserand Button, 1973; Ruxtonand canbe...southwestern part of the sures of basementrocks in Namibia, but in northwestern Ghanzi-Chobe beltby Lithedand(1982)...Botswana, theonlyrecordisfromtheOkwaValleyat a dis- Namibia(Hegenberger andSeeger, 1980;Killick,1983).This |  | | Journal (article/letter/editorial) | | ts hostedby theRevett Formationwere found in a region sincecalled the "coppersulfidebelt of the Belt...body of continuously mineablerock with bornitc, digenite,chalcocite,andnativesilverasthe principal ore...and ganguemineralsmost eral assemblagebornite-digenite-chalcocite-native of which are zonally distributedacrossthe... , _ .... ...... ? leucoxene chalcocito digenite - covellite .............. idaite .........notanomalous in wholerockswithinanypart with bornite, digenite, and chalcocffe.The macroof the Spar Lake min |  | | Report (issue) | | UZBN VNZL YUGO ZIMB ZIRE ZMBA 11 COUNTRY Mexico Namibia Nigeria Norway Peru Pakistan Poland Philippines...Turco Udokan Uyuni Vermillion River White Pine Witvlei YinMin Country GRMY USMT GRLD CILE AGTN BRZL ZIRE...state Chalcopyrite Covellite Bornite Anilite Digenite Djurleite Chalcocite Native Copper Cu Fe S2 Cu...occurrences. Deposit subtype Chalcocite, Bornite digenite, djurleite 82 61 Chalcopyrite Galena Sphalerite...TangDan ZIRE Tenke Udokan RUSA White Pine USMI Witvlei NAMB YinMin CINA Country Figure 1. Tonnages |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...ENERGY Of the several hundred minerals present in Namibia, around sixty have been exploited. some, such as...base metals and industrial minerals have helped Namibia rank amongst the top five mining countries in Africa...terms of production and reserves. In this context, Namibia is a major producer of copper, lead, zinc, cadmium...unpublished. It is evident that mineral exploration in Namibia, as elsewhere. has changed from serendipitous discoveries |  | 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) | | increase southward in the Nguba basin. In the southern region, the Kyandamu Formation contains clasts from the...Ubendian belt (2.1–1.8 Ga) is observed in the “Domes region” (Unrug, 1988) and within the Katangan belt (Cahen...western part of the Lufilian Arc (Kolwezi-Tilwezembe region, Fig. 1) as an unsorted grey or greenish grey conglomerate...and may be faceted or striated. In the western region, this formation contains a continuous horizon that... from bottom to top (François, 1973a). In that region, total thickness increases from 25 m in Kakanda |  | Hayes, T. S., Landis, G. P., Whelan, J. F., Rye, R. O., Moscati, R. J. (2012) The Spar Lake Strata-Bound Cu-Ag Deposit Formed Across a Mixing Zone Between Trapped Natural Gas and Metals-Bearing Brine. Economic Geology, 107 (6) 1223-1249 doi:10.2113/econgeo.107.6.1223 | Journal (article/letter/editorial) | | g., Paoli, OK, Shockey et al., 1974; Oamites, Namibia, Lee and Glenister, 1976; three prospects in Saudi...from Stratigraphic Sections in the Surrounding Region Sample no. Spar Lake section 93-293.0 93-446.5-A...St. Regis, Empire, and Helena formations in the region (see Fig. 1 for section locations). The bold solid-line...0‰; distal chalcopyrite is 5.9 to 23.9‰; bornite-digenite-chalcocite mixtures are 3.9 to 23.2‰. Significantly...sulfides in the orebody as a mixture of bornite, digenite, and chalcocite have a relatively narrow range |  | Aleinikoff, J. N., Hayes, T. S., Evans, K. V., Mazdab, F. K., Pillers, R. M., Fanning, C. M. (2012) SHRIMP U-Pb Ages of Xenotime and Monazite from the Spar Lake Red Bed-Associated Cu-Ag Deposit, Western Montana: Implications for Ore Genesis. Economic Geology, 107 (6) 1251-1274 doi:10.2113/econgeo.107.6.1251 | Journal (article/letter/editorial) | | pyrite-calcite), but not in more distant zones across the region. Thirty-two in situ SHRIMP U-Pb analyses on xenotime...from chalcocite, digenite, bornite, and minor chalcopyrite. The chalcocite, digenite, and bornite are...2010; Nesheim et al., 2012). 6. Throughout the region, there may have been thermal or fluid fluxes related...known mineral zonation at Spar Lake and the nearby region. Particular targets for examination were samples...previous history where it formed in the source region prior to sedimentary transport and deposition? |  | | Book | | Africa 194 3.5.2. The Damaraland alkaline province, Namibia 198 3.5.3. Carbonatites 199 3.5.4. Kimberlites...metamorphism in the Central Zone ofthe Damara Orogen, Namibia 6.3.2. Anorogenic metamorphism in the eastern Pyrenees...that metals, oxides and silicate dominated in the region between Mercury and the asteroid belt. Details...crystallographic axes will aceeierate in the given region, thereby providing another way of mapping out hot...other of the above cases dominating in a given region. More recently, measurements of crustal Poisson's |  | | Book | | systematically present the geology of each country, region and continent on Earth. Each book aims to provide...(Gariep Belt) cropping out in the western borders of Namibia and South Africa. They were split up in the Mesozoic...concerning the tectonic and geodynamic evolution of this region during the Precambrian. Major tectonometamorphic...tectonostratigraphic domains and structures of the region are presented, together with implications for the... They emphasize the enormous potential of this region in terms of base (Cu, Pb, Zn, Co, Ni), precious |  | | Book | | overlies these older successions throughout the region, though not at Ranger One. The Number Three Orebody...kilometers north of the Hornby Bay sandstone basin in a region underlain by rocks younger than, and overlying...Exploration geochemistry evaluation study in a region of continuous permafrost, Northwest Territories...within the zone of continuous permafrost: Coppermine Region, Northwest Territories. Geol. Surv. Can., Pap....to 4100 Mg/1. These data confirm the use in this region of NMg as a hydrogeochemical indicator of uranium |  | | Book | | this system (Fig. 24) shows a vanishingly small region of stability for siderite, indicating that the...these, I have added data from the Lake Superior region and the Labrador Trough (Fig. 2-7). An earlier...unconformity except in the Hamersley. In the Lake Superior region and the Labrador Trough, a thick dolomite section...formation of the deposits of the Lake Superior region and the Labrador Trough (2.0 to 1.7 b.y.). 10 fact...microprobe study is necessary to identify them. Digenite can usually be distinguished from chalcocite, |  | | Book | | Copperbelt based on work in Zambia, DRC, Botswana, and Namibia. 2005: Recommended low sulfidation Au-Ag vein...zones conducive to copper deposition as bornite ± digenite, hypogene and supergene sulfide enrichment, and...grade development; F. Presence of bornite and digenite in the deep, central parts of the potassic zone...low-sulfidation conditions can lead to bornite ± digenite accompanying or even dominating chalcopyrite (Fig...prime examples. However, particularly in the former region, exploration over the past decade or so has outlined |  | | Book | | papers and 19 geological maps in Western Australia, Namibia and Greenland. Throughout his career, which has...4.3.9 The Brandberg West Greisen Vein Systems, Namibia . . 4.3.10 The Kalguta Mo-W-Be-Bi Greisen System.... . . . . . . . . . . . . . . 6.5.1 Navachab, Namibia. . . . . . . . . . . . . . . . . . . . . . . ....Cu Deposits of the Matchless Amphibolite Belt, Namibia . . . . . . . . . . . . . . . . . . . . . . . 7...Pb-Zn-Cu-Ag-V Deposits of the Otavi Mountain Land, Namibia . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | resources-Missouri-Springfield Region. 2. Geology-Missouri-Springfield Region. I. Martin, James A. Uames...sandstones gf a large area of the Midcontinent region. The final paper summarizes the direct physical...Formations-is present throughout the Mississippian outcrop region of the quadrangle; however, the extent, thickness...is present throughout the Mississippian outcrop region, but the Reeds Spring and Elsey Formations pinch...quadrangle reflects its location in a stable cratonic region on the west flank of the Ozark uplift. High-angle |  | | Book | | Copper-Nickel Deposits of the Noril'sk-Talnakh Region, USSR ........... . 7.5.2 Discussion ................ 365 9.7.1 The Rossing Uranium Deposit, Namibia. . .. 9.7.2 Discussion and Suggestions for Exploration...skarn production. These and similar skarns in the region are distal in type and occur from 1-2 km from mapped...ofthe Yerington batholith. Proximal skarns in the region differ in having lower total sulfide (5% or less)...sulfide ores which exhibit 67 Discussion bornite-digenite-covellite assemblages. The Marina deposit, the |  | | Conference Proceedings (Volume) | | potential map of the Neoproterozoic Gariep Belt in Namibia .......................... 480 . . ...........pyritic Zn-Pb-Cu-(Au-Ag) sulphide deposit, Bergslagen region, south-central Sweden . . .......................Jingwen Mao & Bernd Lehmann The Omitiomire deposit, Namibia: late tectonic copper emplacement in a Neoproterozoic...shales: new data from Mo-Ni-PGE black shales (Zunyi region, Guizhou province, south China) ................Consequently, both of these methods are dependent on the region being investigated having some degree of exploration |  | | Book (volume) | | Strata-Bound Zinc-Lead Deposits of the Upper Silesian Region, Polanda Review of Some Recent .Research .. .....Madenkoy Massive-Sulfide Deposit, Eastern Black Sea Region, Turkey ............. ............. .. ..........chalcopyrite and perhaps pyrite, and chalcocite (digenite) replaces all three older sulfidf's, but mainly...the geochemistries of a suite of plutons and a region of host cn1st can be distinctly characterized....and host-rock geochemistries. For this test, a region such as the southwest United States, or the South |
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