| | Report (issue) | copyright 1977 ISBN 0 11 880771 4* CONTENTS Kamoa Granite 46 Amuku Intrusives 46 Maopityan Granophyre...Watu Falls Formation 41 Sipu River Formation 42 Kamoa River Formation 44 Dead Man Ridge Formation 44 Subvolcanic...taxi-ing on the New River 2 2 Traversing in the Kamoa River headwaters 2 Cale-silicate paragneiss with...folding in thin-bedded rhyolitic ash-fall tuff (Kamoa River Formation) 45 âą Weathered surface of agglomeratic...tuff (Iwokrama Formation) SO Varnished surface of feldspar-phyric welded ash-flow tuff containing elongated | | Waizy, Hamidullah, Moles, Norman R., Smith, Martin P., Boyce, Adrian J. (2021) Formation of the giant Aynak copper deposit, Afghanistan: evidence from mineralogy, lithogeochemistry and sulphur isotopes. International Geology Review, 63 (17) 2104-2128 doi:10.1080/00206814.2020.1824129 | Journal (article/letter/editorial) | are carbonates, quartz, micas, and plagioclase feldspar, with scapolite in some samples. Carbonates are...oligoclaseâalbite commonly occurs in quartzâfeldspar and feldsparâcarbonate host rocks (Figure 6(e,f)). Scapolite...Al is not matched by high K due to the dominance in these samples of the K-poor aluminosili cates plagioclase...The predominance of albitic plagioclase over K-feldspar in the Loy Khar Formation could be construed...Ca, Mn) and those associated with silicates (Al, K, Ti, V, Cr, Fe, Rb, Y, Zr and Nb). Cu and S enrichments | | Sillitoe, Richard H., PerellĂł, JosĂ©, Creaser, Robert A., Wilton, John, Dawborn, Toby (2015) Two Ages of Copper Mineralization in the Mwombezhi Dome, Northwestern Zambia: Metallogenic Implications for the Central African Copperbelt. Economic Geology, 110 (8) 1917-1923 doi:10.2113/econgeo.110.8.1917 | Journal (article/letter/editorial) | Copperbelt in both Zambia and the Democratic Republic of Congo. Such preenrichment of the basement in copper may...Copperbelt of Zambia and the Democratic Republic of Congo (DRC), hosted within the Pan-African-age, Lufilian...Dome N Kolwezi 50 km Tenke 10 km Fungurume Kamoa 11° Likasi Malundwe 12°15ÂŽ Kavipopo Mufuka Chimiwungo...prospects studied. DRC = Democratic Republic of Congo. copper mineralization are reported for the Chimiwungu...Amphibolite Quartz-biotite-kyanite± garnet schist Feldspar-quartz-muscovite± garnet schist Chlorite-biotite-garnet± | | | Journal (article/letter/editorial) | Laurens T. Tijsseling 1,2 , Quentin Dehaine 1,3 , Gavyn K. Rollinson 1 and Hylke J. Glass 1, * 1 2 3 * Camborne...copperâcobalt deposit in the Democratic Republic of Congo on flotation performance, the flotation of nine...sediment-hosted deposits of the Democratic Republic of Congo (DRC). As there are few sites processing such ore...bearing minerals [15â17]. For sulphide ore from the Kamoa copper project, sample mineralogy was considered...modelling review studies [14,22]: n dR = k· Req â R dt (1) where k is the rate constant value of the | | | Journal (article/letter/editorial) | iron sulphide is always below 230%. Anderson, I. K., Ashton, J. H., Boyce, A. J., Fallick, A. E. and...Grogan, J., Hutton-Ashkenny, M., Brough, C., Penman, K. and Sapsford, D. J. 2011. Geometallurgy of uranium...USA The Kamoa copper deposit, Central African Copperbelt, Democratic Republic of the Congo (DRC) David...broadly in Zambia and the Democratic Republic of the Congo (DRC). The Zambian district comprises deposits that...considered as relatively mature exploration terrane. The Kamoa copper deposit is a grassroots discovery approximately | | | Journal (article/letter/editorial) | by the primary mineralogy of the host rocks: K-feldspar and muscovite replace albite and muscovite in...the Lufilian Arc, which is situated between the Congo and Kalahari cratons (Figure 1a). This arc is extensively...arc and other Pan-African mobile belts around the Congo and Kalahari cratons, (b) geological map of Zambia...lesser amounts of plagioclase in a quartz and feldspar groundmass. The syenite is fine-grained and porphyritic...siderite in the matrix. Siderite is associated with K-feldspar and hematite in the matrix in H1-8; (f) slightly | | | Book | Copper-Cobalt District, Katanga, Democratic Republic of Congo Dzhezkazgan and Associated Sandstone Copper Deposits... McKee, E.H., and Vila, T., 1991, Reconnaissance K-Ar geochronology of the Maricunga gold-silver belt...now exhausted). 1971: Recognized control of ore by K-silicate alteration and used the relationship to plan...provinces, keyed to deposit types. The newly discovered Kamoa deposit in the Central African Copperbelt (Broughton...(Lubin-Polkowice, Konkola, Kolwezi, Udokan, and probably Kamoa), one IOCG deposit (Olympic Dam), and one magmatic | | Nghipulile, Titus, Moongo, Thomas Ehongo, Dzinomwa, Godfrey, Nkwanyana, Sandile, Mapani, Benjamin, Kurasha, Jaquiline Tatenda (2022) Evaluation of the Relationship between the Milling Breakage Parameters and Mineralogical Data: A Case Study of Three Copper Ores from a Multi-Mineralised Deposit. Minerals, 12 (10) 1263 doi:10.3390/min12101263 | Journal (article/letter/editorial) | for each ore was above 60% (w/w)), followed by K-feldspar minerals (orthoclase and microcline) which constituted...an X-ray tube composed of copper, type: KFL Cu 2 K. The XRD machine and accompanying software were supplied...300 ”m composite samples. Element Ca Fe S Si Ca Al K Others XRF Assays (%) Sulphide 1 2.76 ± 0.0045 1...300 ”m composite samples. Element Ca Fe S Si Ca Al K Others SEM EDS Assays (%) Sulphide 1 2.55 ± 0.13...Elemental Analysis (wt %) Element Cu Fe S O Si Al Mg K Ca Total AtomâGram Ratio Sulphide 1 (Point 1 on | | | Journal (article/letter/editorial) | University stratiform model (Höll and Maucher, 1976). Dr. Rudolf Höll made the actual discovery by traversing...Katanga Copperbelt that TE resulted in the giant Kamoa discovery (24.13 Mt Cu in 2013, considered the presently...Parker et al., 2013; www.ivanplats.com). CE P Kamoa is a stratabound-Cu horizon found at base of the...KIGAM Korea (Se Won Chang), Jingwen Mao, Eiji Izawa, K. MA Watanabe, as well as my family. Hartwig Frimmel...Arabian Shield. Econ. Geol, 79, 1366-1377. Ehrig, K., McPhie, J. and Kamenetsky, V., 2012. Geology and | | | Journal (issue) | Australia, Russia, the Democratic Republic of Congo (DRC) and Zambia. About 60 % of world production...Mineralogy Porphyry core & IOCG core K-silicate â Potassic K-feldspar, biotite, magnetite, ferroactinolite...replacement chalcopyrite along sedimentary layers, Kamoa, DRC (courtesy of D. Broughton, pencil for scale)...ConglomĂ©rat, the latter with 6 % Cu over 10 m, Kamoa deposit, DRC (courtesy of D. Broughton; Cct â chalcocite;...Cordillera (courtesy of R. Goldfarb; width 5 cm). (k) Banded iron formation with layers that are rich in | | | Book | Kenyan green beans while consuming copper from the Congo?â This is tied into the concept of sustainable mining...and industrial diamond are two examples, as is feldspar (next time you buy a tube of toothpaste, read...earth elements Barium (Ba) Fluorine (F) Potassium (K) Molybdenite Magnetite Gibbsite Chalcopyrite Chalcocite...stratiform Cu-Co-(Ag) deposits (Democratic Republic of Congo, Zambia, Poland, Germany) âą Unconformity and sandstone...depositsâSouth Africa âą Evaporites, including marine (Na-K-Ca-Mg-Br) and non-marine (Li, B) âą Phosphorites 4 | | | Report (volume) | glacial palaeolatitudes: a global update 93 GREY, K., HILL, A. C. & CALVER, C. Biostratigraphy and stratigraphic...NKULA, V. K. Neoproterozoic sequences of the West Congo and Lindi/Ubangi Supergroups in the Congo Craton...glacioeustatic changes 195 PRAVE, A. R., HOFFMANN, K.-H., HEGENBERGER, W. & FALLICK, A. E. The Witvlei...263 STERN, R. J., JOHNSON, P. R., ALI, K. A. & MUKHERJEE, S. K. Evidence for Early and Mid-Cryogenian...Formation, Lena River, central Siberia 309 SOVETOV, J. K. Late Cryogenian (Vendian) glaciogenic deposits in | | | Book (edition) | DAFR DCF DCS DETA DfD DfR DfRE DFS DNA DO DOE DPO DR D-SIMS DWI EBRD EDS EDTA EDX EEE EFA EHS EMS ENR...Engineering from the University of Cairo (1949), a Dr. Techn. degree in Inorganic Chemical Technology from...volume of Gold Ore Processing, 2e (2016, Elsevier). Dr. Adams is widely published in metallurgy and chemistry...ĂŸ.ĂŸ n 1 ĂŸ k Ă°1 ĂŸ kĂ2 Ă°1 ĂŸ kĂ (3.17) where FCFi represents the free cash ïŹow in year i, k represents...of the projectâs life time. The discount factor, k, is usually calculated from the companyâs weighted |
|