 | | Report (chapter) | | control and ore reserve estimation at Renco gold mine, Zimbabwe: past, present and future M. G. A R M...Road, Bristol BS8 IRJ, UK 2 Renco Mine, Pvt Bag 3005, Nr Masvingo, Zimbabwe Abstract: Modern gold mining...mining activity at Renco Mine in southern Zimbabwe started in 1936. Since then a series of different companies...companies have held the option to mine. The current owners, Rio Tinto Zimbabwe, took it over in 1973. Accurate...production data. Renco is situated in southern Zimbabwe, 70 miles southeast of Masvingo, within the Limpopo |  | | Journal (article/letter/editorial) | | Metamorphic ShearZonesof the RencoMine, Southern Zimbabwe ALEXANDER F. M. KISTERS, • JOCHEN KOLB, ANDF...Germany Abstract TheRencogoldminein southern Zimbabwe istheonlyknownmajorgolddeposit in thegranulite...pyrrhotite asthedominant sulfide withminoramounts of chalcopyrite andpyrite. Associated wall-rock alteration comprises...havegivenrise hosted outside the realms of the Zimbabwe eraton. The Reneo to a debateabouttheconditions...thus,timingof thegold mineis located in southern Zimbabwe, approximately 75 km mineralization(B6hmkeand |  | | Journal (article/letter/editorial) | | Zone, Limpopo Belt, Zimbabwe, and relevance to gold mineralization at Renco mine Tom G. Blenkinsop Department...Geology, University of Zimbabwe, P.O. Box MP 167, Mount Pleasant, Harare, Zimbabwe Present Address: School...uni-mainz.de V. Chiwara Rio Tinto, Zimbabwe, PO Box AY 266, Harare, Zimbabwe e-mail: Victor.Chiwara@riotinto...field mapping and geochronological studies in the Renco mine area of the Northern Marginal Zone of the Limpopo...Archaean. Amphibolite facies gold mineralization at Renco mine probably occurred at this time, followed by Palaeoproterozoic |  | | Journal (article/letter/editorial) | | purposely lacking, as all information on regional and mine geology, host rock and ore sample descriptions,...Brazil [10–13]: Ajjanahalli, India [14,15]; Renco, Zimbabwe [16–20]; Hutti [21–27], Hira Buddini [28,29]...and Lega Dembi are situated in greenstone belts, Renco formed in a granulite facies mobile belt, Pilgrim’s...Geologic Settings New Consort Cuiabá Ajjannahalli Renco Hutti Hira Buddini Pilgrim’s Rest Lega Dembi Navachab...metasedimentary rocks and banded iron formation. Renco is an example of an unusual setting in that it is |  | | Journal (article/letter/editorial) | | mid-crustal auriferous mylonites of the Renco mine, southern Zimbabwe Received: 27 October 1998 / Accepted:...constraints on auriferous shear zones of the Renco mine in the Northern Marginal Zone of the late-Archaean...late-Archaean, granulite-facies Limpopo Belt in southern Zimbabwe indicate that deformation and associated mineralization...medium-grade granite-greenstone terrains of the Zimbabwe craton. Mineral assemblages indicate that the...overthrusting of the Northern Marginal Zone onto the Zimbabwe craton, and coeval amphibolite-facies hydration |  | | Journal (article/letter/editorial) | | (NORTHERN MARGINAL ZONE, LIMPOPO BELT, ZIMBABWE)--A THE RENCO MINE DISCUSSION ALEXANDER F. M. KISTERS...waspromoted bytransiently suprazone,Limpopobelt,Zimbabwe)" in whichtheauthors pres- lithostatie fluidpressures...alteration spatialassociation withthe mainpyrrhotite-chalcopyrite as- to be characteristic isnotin equilibrium...byBlenkinsop andFreitoindicate mineralizationthe Renco mine which show east-northeast-west-southwest temperatures...1989).Oneof thepyroxenite dikesexposed at 660 chalcopyrite assemblage, whereas gold-bismuth alloys andna- |  | | Journal (article/letter/editorial) | | inclusion record of the hypozonal orogenic Renco gold deposit (Zimbabwe) during the retrograde P–T evolution...Springer-Verlag 2002 Abstract The hypozonal Renco gold deposit in Zimbabwe is hosted by a shear zone system cutting...inclusions in the mineralized lithologies of the Renco gold mine are dominated by carbonic inclusions of highly...ore fluid. All the aqueous inclusions observed at Renco can be attributed to a late, retrograde greenschist-facies...investigations of CO2-rich inclusions from the Renco gold deposit in the granulitefacies Northern Marginal |  | | Journal (article/letter/editorial) | | Mineralization and Tectonics at the Renco Mine (NorthernMarginalZone,LimpopoBelt,Zimbabwe) T. G. BLENKINSOP Department...Geology, University of Zimbabwe, P.O.BoxMP167,MountPleasant, Harare,Zimbabwe AND R. FREI GruppeIsotopengeologie...mostof the greenstone-associated deposits of the Zimbabwe eraton,whichareknownor inferredto be LateAreheart...Limpopobeltin andgenesis of thisgoldmineralization. Zimbabwe, in contrast withthemanygolddeposits associated...RegionalGeology withgreenstone beltswithinthe Zimbabwe craton.Furthermore,it is oneof the fewgolddeposits |  | | Journal (article/letter/editorial) | | ornetite: University ofToronto Rencogoldmine,southern Zimbabwe: TerraNova,Abstract supplement Studies, Geological...goldmineralizationat Rencomine,Zimbabwe: Unpublished Ph.D.dissertation, London, Zimbabwe: Geofluids II '97 Symposium...TECTONICS AT THE RENCO MINE (NORTHERN MARGINAL ZONE, LIMPOPO BELT, ZIMBABWE)--A REPLY TOM G. BLENKINSOP...Geology, University of Zimbabwe, P.O.BoxMP167,MountPleasant, Harare,Zimbabwe AND ROBERT FREI Geologisk...compatible with a single mineralization such as Renco is often contentious and has eventof LateArcheau |  | | Journal (article/letter/editorial) | | also contain minor amounts of pyrrhotite and chalcopyrite. The orebodies, hosted in granulite-grade metapelitic...development of low interfacial angles of galena, chalcopyrite, and pyrrhotite against sphalerite. Galena forms...sphalerite. Arg: argentite, Ch: chlorite, Cp: chalcopyrite, Ga: galena, Gar: garnet, Po: pyrrhotite, Sph:...+ galena melts at 609°C, and the assemblage chalcopyrite + galena melts at 630°C (Craig & Kullerud 1967)...system with increasing T. The bulk composition of chalcopyrite (intermediate solid-solution, iss, at that temperature) |  | Doyle, M. G., Fletcher, I. R., Foster, J., Large, R. R., Mathur, R., McNaughton, N. J., Meffre, S., Muhling, J. R., Phillips, D., Rasmussen, B. (2015) Geochronological Constraints on the Tropicana Gold Deposit and Albany-Fraser Orogen, Western Australia. Economic Geology, 110 (2) 355-386 doi:10.2113/econgeo.110.2.355 | Journal (article/letter/editorial) | | Australia Abstract Gold mineralization at the Tropicana mine occurs within the Plumridge terrane along the eastern...the Dharwar craton, India, and the Limpopo belt, Zimbabwe, economic gold mineralization at Tropicana postdates...studied examples include Hemlo in Canada, Renco in Zimbabwe, Hutti in India, Challenger in South Australia...been used in support of a retrograde timing of the Renco deposit (e.g., Blenkinsop and Frei, 1996; Kisters...Kalgoorlie Kurnalpi Terrane Ea Kanowna Belle Mine 120° Gu nb ar re lF YILGARN CRATON 30° 1000 |  | | Journal (article/letter/editorial) | | gyof Western Australia; and Renco, Zimbabwe. For these the Calumet mine (Goranson, 1925; Moorhouse, depositsthere...Varndell, 1986), or in association transitionzone (mine series,Fig. 2) betweenfootwall with (Walfordet al...whichwasalreadyin productionat that time separatedfrom the mine seriesby a fault or shear (Gauthieret al., 1985;...metamorphism followedby de- Hangingwallamphibolites Mine series & &gneisses limit of calcite-diopside alteration...orthoamphibole A3 andA4, Table 1). Thismaterialcomrite, chalcopyrite,magnetite,and ilmenite together assemblages |  | | Journal (article/letter/editorial) | | alteration and ore minerals comprising pyrrhotite, chalcopyrite, sphalerite, ilmenite/rutile and gold. The D4...arsenopyrite, pyrite, gold; (2) pyrrhotite, chalcopyrite, sphalerite, ilmenite/rutile, gold; and (3)...authors would like to thank the mine management of the Hutti Gold Mine Ltd. for the permission to publish...interaction in auriferous mylonites of the Renco Mine, southern Zimbabwe. Miner Deposita 35:109–125 Kolb J, Rogers...inclusion record of the hypozonal orogenic Renco gold deposit (Zimbabwe) during the retrograde P–T evolution |  | Neumaryr, P., Groves, D. I., Ridley, J. R., Koning, C. D. (1993) Syn-amphibolite facies archaean lode gold mineralisation in the Mt. York District, Pilbara Block, Western Australia. Mineralium Deposita, 28 (6) 457-468 doi:10.1007/bf02431602 | Journal (article/letter/editorial) | | Archaean lode gold mineralisation in the Mt. York District, Pilbara Block, Western Australia P. Neumayr ~...The Archaean lode gold deposits in the Mt. York District, Pilbara Block, Western Australia are hosted in...Kalgoorlie at higher crustal levels. The Mt. York District is located in the Archaean Pilgangoora greenstone...Hill/Breccia Hill and Zakanaka prospects in this district. Gold was first discovered in the Pilbara Craton...1990), Western Australia, and location of Mt. York District recent production from a few relatively small |  | Oberthür, Thomas, Davis, Donald W., Blenkinsop, Thomas G., Höhndorf, Axel (2002) Precise U–Pb mineral ages, Rb–Sr and Sm–Nd systematics for the Great Dyke, Zimbabwe—constraints on late Archean events in the Zimbabwe craton and Limpopo belt. Precambrian Research, 113 (3) 293-305 doi:10.1016/s0301-9268(01)00215-7 | Journal (article/letter/editorial) | | for the Great Dyke, Zimbabwe —constraints on late Archean events in the Zimbabwe craton and Limpopo belt...Department, Uni6ersity of Zimbabwe, PO Box MP 167, Mount Pleasant, Harare, Zimbabwe Accepted 23 August 2001...interpretations of the crustal development of the Zimbabwe craton. Close temporal links between the intrusion...granitoids (Chilimanzi and Razi suites) of the Zimbabwe craton are indicated by the new precise age data...thrusting of the Northern Marginal Zone over the Zimbabwe craton. A west-to-east diachroneity in both thrusting |  | | Journal (article/letter/editorial) | | (Fleet and Pan, 1995, vs. Kuhns et al., 1995), and Renco (Kisters et al., 1997, vs. Blenkinsop and Frei,...feature, both in hand specimens and at the scale of mine openings, yet this ore type is as important as the...are predominantly chalcopyrite (95%) associated with minor pyrite (5%). Chalcopyrite is seen to have replaced...grade; native gold is seen to have replaced both chalcopyrite and pyrite or to be located at the boundary...gold, a much used feature in grade control on the mine. Based on their mesoscopic expression, there are |  | Smit, C.A., Van Reenen, D.D., McCourt, S., Huizenga, J.M., Belyanin, G., Vafeas, N.A. (2019) Hypozonal orogenic gold mineralization in the Giyani Goldfield, Northern Kaapvaal Craton/Limpopo Complex. South African Journal of Geology, 122 (4) 455-488 doi:10.25131/sajg.122.0037 | Journal (article/letter/editorial) | | New Consort in the Barberton greenstone belt and Renco in the Northern Marginal Zone (NMZ) of the Limpopo...that of Renco gold mine in the granulite facies terrane of the NMZ of the LC in Zimbabwe. The Renco deposit...against medium-grade granite-greenstone belts of the Zimbabwe Carton (ZC) to the north (Figure 5) (e.g., Kolb...2000, 2015; Blenkinsop, 2011). The ore deposit at Renco was formed at a minimum temperature of 600°C and...trending Birthday section hosts the Birthday gold mine as well as several gold prospects such as Boltman’s |  | | Journal (article/letter/editorial) | | complex metamorphic assemblages occurs around the mine, compared to the assemblages developed regionally;...no evidence of higher metamorphic grades at the mine, nor that this might have been the prime control...lOOt Au), the Renco mine in the Rhodesian Craton of Zimbabwe (c. 30t Au), and the Consort mine in South Africa...(EGP) Eastern Gold Province, (K) Kalgoorlie gold mine. Five drill hole sections illustrate representative...favour low-variance assemblages. Renco The Renco deposit in Zimbabwe also represents a fairly recent |  | | Journal (article/letter/editorial) | | limits for alteration chlorite at the Harbour Lights mine, Yilgarn Block (Skwarnecki 1988). The ticked line...n i v a r i a n t reactions for the Victory gold mine are: 1. Ms+Dol=Bt+Chl+Cal; 2. B t + C h l + D o...giving biotite-ankerite - alteration at the Hunt mine, Kambalda as between 5.8 to 6.8; virtually identical...greenschist-facies deposits are limited by pyrite-chalcopyrite + hematite + magnetite stability a n d isotopic...metal; Apy = arsenopyrite; Bn = bornite; Cep = chalcopyrite; Hem = hematite; Mag = magnetite; Po = pyrrhotite; |  | | Journal (article/letter/editorial) | | type. Other deposits around the world, such as Renco and Griffins Find, are hosted in granulite facies...arsenic-rich zones, pyrrhotite (typically with chalcopyrite and rarely pentlandite) and arsenopyritelöllingite...± bismuth ± maldonite (Au2Bi) ± pyrrhotite ± chalcopyrite ± pentlandite ± sphalerite. Arsenopyrite shows...studied granulitehosted gold deposits are Renco, in Zimbabwe (Bohmke and Varndell, 1986; Tabeart, 1987;...Metabasalts and metasediments Au, Po, Lo, Asp 1, 2, 3 Renco 825-850°C, 5-8.4 kbar Prepeak(4)/ Postpeak(5,6 |  | | Corporate Document | | SOUTH AFRICA 10.1 Western Deeps 10.2 Fairwiew 10.3 Renco 11. CANADA 11.1 Wawa AUSTRALIA 12 Ultramafic host...minerals present are: pyrite, arsenopyrite, chalcopyrite, sphalerite, galena, molybdenite, pentlandite...detected at Rämepuro are: pyrite, arsenopyrite, chalcopyrite, sphalerite, molybdenite, pentlandite, a set...detected are marcasite, pyrite, sphalerite, galena, chalcopyrite, altaite, hessite, volynskite, tsumoite, petzite...- haematite - magnetite with chromite core - chalcopyrite. Some of albite and carbonate are, most probably |  | Zhao, Hesen, Wang, Qingfei, Groves, David I., Deng, Jun (2019) A rare Phanerozoic amphibolite-hosted gold deposit at Danba, Yangtze Craton, China: significance to fluid and metal sources for orogenic gold systems. Mineralium Deposita, 54 (1) 133-152 doi:10.1007/s00126-018-0845-x | Journal (article/letter/editorial) | | large granite intrusion is more than 10 km from the mine (ESM Fig. 1). The ore bodies had been mined to a...magnetotelluric sounding used during exploration at the mine (Fan et al. 2013). Metamorphic petrography Metamorphic...depth of 300 to 600 m in different sectors of the mine. Exploration data show that the Major Lode has a...quartz. d Coexistence of pyrrhotite, pyrite, and chalcopyrite (Ccp) with minor sphalerite inclusions along...pyrrhotite, scheelite, minor molybdenite, pyrite, chalcopyrite, sphalerite, and trace gold; and 2) a late ore-stage |  | Bineli Betsi, Thierry, Mokane, Lebogang, McFarlane, Chris, Phili, Kelebogile, Kelepile, Tebogo (2020) Multistage gold mineralization events in the Archean Tati greenstone Belt, northeast Botswana: Constraints from integrative white mica Ar/Ar, garnet U-Pb and sulfides Pb/Pb geochronology. Precambrian Research, 339. 105623 doi:10.1016/j.precamres.2020.105623 | Journal (article/letter/editorial) | | northeastern Botswana and 60 in the southwestern of the Zimbabwe Craton (Fig.1) is host to numerous types of ore...TGB, is located in the southwestern edge of the Zimbabwe Craton, 111 which extends in a southwestern...Botswana (Fig.1A, Zhai et al., 2006). The 112 Zimbabwe Craton is separated from the Kaapvaal Craton by...2002; Kampunzu et al., 2003). The part of the Zimbabwe Craton exposed in 116 Botswana is further subdivided...gneisses (Bagai et 145 al., 2002) and Phoenix Mine Gabbro (Van Geffen, 2004), the TTG from the TGB |  | | Book | | USSR Academy of Sciences, Chernogolvka, Moscow district, U . S . S . H . J. Foden, Bureau of Mineral Resources...Rhodesia, Box M.P. 167, Mount Pleasant, Harare, Zimbabwe. R.W. Ojakangas, Department of Geology, University...O. B o x . MP. 1 6 1 , Mount Pleasant, Harare, Zimbabwe. B.F. Windley, Department of Geology, University...MINERALISATION IN THE EARLY PRECAMBRIAN CRUST OF ZIMBABWE J.F. Wilson and T.H.C. Nutt 555 MINERAL OCCURRENCES...631 LITHIUM PEGMATITES OF AMARESHWAR, RAICHUR DISTRICT, KARNATAKA, INDIA T.C. Devaraju, N. Rajshekhar |  | Brando Soares, Mariana, Corrêa Neto, Atlas Vasconcelos, Bertolino, Luiz Carlos, Alves, Felipe Emerson André, de Almeida, Antônio Modesto, Montenegro da Silva, Pedro Henrique, Mabub, Ricardo Oliveira de Araújo, Manduca, Luedson Guimarães, Araújo, Ivan Mendes Caixeta de Pamplona (2018) Multistage mineralization at the hypozonal São Sebastião gold deposit, Pitangui greenstone belt, Minas Gerais, Brazil. Ore Geology Reviews, 102. 618-638 doi:10.1016/j.oregeorev.2018.09.028 | Journal (article/letter/editorial) | | where the main developed phases are: pyrrhotite, chalcopyrite, arsenopyrite, pyrite and arsenian-pyrite. Native...(electrum), native Bi, tourmaline, pyrrhotite, chalcopyrite, and notably bismuth tellurides (hedleyite,...hydrothermal overprint. Nevertheless, at the Turmalina gold mine (1.172 Moz with 4.22 g/t), the only other known...pyrrhotite with variable amounts of arsenopyrite, chalcopyrite and pyrite, plus a little As-rich pyrite, Cu-Fe-S...disseminated replacement, where early pyrrhotite and chalcopyrite (chalcopyrite1) replace BIF magnetite. Subsequent |
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