 | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter June 2013 The hand of Tom Blenkinsop – movement indicators...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...….. 12 NEWS Geology Department, University of Zimbabwe ……………………………….. Geological Survey Department ………………………………………………...debeer@cadline.co.zw 2 Geological Society of Zimbabwe Newsletter June, 2013 Editorial Welcome to the...towards Zimbabwe Geology; and also to Luckmore Chiteshe for his winning project at the Zimbabwe School |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter September 2006 Geological Society of Zimbabwe Newsletter September...SOCIETY OF ZIMBABWE, P.O. BOX CY 1719, CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter ...Department, University of Zimbabwe ………………………………………….. 8 The Geological Survey of Zimbabwe ……………………………………………………...…………………………………………………… …. 15 2 Geological Society of Zimbabwe Newsletter September 2006 Editorial Welcome...the next few weeks. Other planned trips are to How Mine, Sternblick Quarry and the Antech Laboratory in |  | | 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 (issue) | | Geological Society of Zimbabwe G Z S Newsletter February 2013 A Group Photograph taken during the...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...for the Palaeoproterozoic Magondi Supergroup, Zimbabwe … 7 Geology and Petrology of the Umkondo Diamond...………. 16 NEWS Geology Department, University of Zimbabwe ……………………………….. Geological Survey Department ………………………………………………...debeer@cadline.co.zw 2 Geological Society of Zimbabwe Newsletter February, 2013 Editorial Thanks, |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter February 2016 No. 1 of 3 of 2016 Faceted round brilliant...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ... ARTICLES AND REPORTS A Review of Diamonds in Zimbabwe – a Century On. Part 2. ........................ 6 16 NEWS Geology Department, University of Zimbabwe – Maideyi Meck …………… The Professor Tom Blenkinsop... 2 Geological Society of Zimbabwe Newsletter February, 2016 Editorial Another |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter October 2015 No. 3 of 3 of 2015 Heavy mineral concentrate...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ... ARTICLES AND REPORTS A Review of Diamonds in Zimbabwe – a Century On .................................11 12 NEWS Geology Department, University of Zimbabwe – Maideyi Meck ……………… The Professor Tom Blenkinsop... ! ! ! ! ! ! ! ! ! 2 Geological Society of Zimbabwe Newsletter October, 2015 Editorial Welcome to |  | | Journal (issue) | | Geological Society of Zimbabwe G S Z Newsletter June 2018 No. 2 of 3 of 2018 Artisanal chrome...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...du Toit Memorial Lecture ……………………………...….…. The Zimbabwe Craton in Mozambique: A brief review of its geochronological...Department, University of Zimbabwe – Maideyi Meck …………… News from the Zimbabwe School of Mines – Maideyi...Symposium 2018 and Chewore Field Excursion …………………… Zimbabwe Mineral Resource Conference ……………………………………. 26 |  | | Journal (issue) | | Geological Society of Zimbabwe G Z S Newsletter October 2014 Prof. Nic Beukes, A.L. du Toit Memorial...contributing to the field excursion at the Orpheus Mine, Redcliff, 26th October 2014. See Field Notes in... Geological Society of Zimbabwe Newsletter October, 2014 The Geological Society of Zimbabwe, P.O. Box CY 1719...……………………………….. NEWS Geology Department, University of Zimbabwe ……………………………….. The Professor Tom Blenkinsop UZ...Drive, Mount Pleasant, Harare, Zimbabwe. 2 Geological Society of Zimbabwe Newsletter October, 2014 Editorial |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter December, 2008 Geological Society of Zimbabwe G Z S Newsletter...SOCIETY OF ZIMBABWE, P.O. BOX CY 1719, CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter ...…………………………………………………. 11 Fumure – A new Impact Structure for Zimbabwe? …………………………………. 13 NEWS ………………………………………………………………………………………...……………………….. Geology Department, University of Zimbabwe …………………………………….. Mennell Society Notes ……………………………………………………………...…………………………………………………… …. 21 2 Geological Society of Zimbabwe Newsletter December, 2008 Editorial The year |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter October, 2009 Geological Society of Zimbabwe G Z S Newsletter...the threat of geo-hazards in Zimbabwe THE GEOLOGICAL SOCIETY OF ZIMBABWE, P.O. BOX CY 1719, CAUSEWAY...CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter October, 2009 Contents EDITORIAL ………………………………...Geological Society Representative’s report on the Zimbabwe School of Mines ... 13 New Geological map of Mozambique...……………………….. Geology Department, University of Zimbabwe …………………………………….. Geological Survey Department |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter February, 2010 Geological Society of Zimbabwe G Z S Newsletter...SOCIETY OF ZIMBABWE, P.O. BOX CY 1719, CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter ...November 2009 Symposium of the Geological Society of Zimbabwe …………………………………………….. 5 A Review of the Stratigraphy...Setting of the Palaeoproterozoic Magondi Supergroup, Zimbabwe - Type Locality for the “Lomagundi” Carbon Isotope...crystal structure at Dorowa rock phosphate mine, Zimbabwe: Implication for environmental Management … |  | 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 |  | 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...Aldiss, 1991; Bagai et al., 2002) and (ii) Karoo dolerite dykes that range in age from ca 143 177-180 |  | | Journal (article/letter/editorial) | | that significantly postdate metamorphism (e.g., Renco, Blenkinsop and Frei, 1996; Tropicana, A. Tomkins... Da ma ng Fa ult Paleozoic – Recent Rocks Dolerite Intrusions Tarkwaian System Birimian Volcanic... B ABOSSO KIBI-WINNEBA BELT Huni Sandstone Dolerite TEBEREBIE DAMANG ABOSSO WASSA TARKWA IDUAPRIEM...Table 1. Whole-Rock Data for Selected Samples of Dolerite Intrusions from the Damang Deposit (these data...active. There is a strong relationship between the dolerite intrusions and a style of hydrothermal alteration |  | 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 |  | | Corporate Document | | SOUTH AFRICA 10.1 Western Deeps 10.2 Fairwiew 10.3 Renco 11. CANADA 11.1 Wawa AUSTRALIA 12 Ultramafic host...and pyrrhotite and slices of intensely altered dolerite wallrock. 2.1.4 Kettukuusikko (description by...ore" was extracted and treated at the Pahtavaara mine plant (Markku Kilpelä, pers. comm. 1999). The deposit...Cu (Korvuo 1997). The total production from the mine is 6279 kg Au and 5177 t Cu (Korvuo 1997, Reijo...intermediate primary composition, but also by dolerite, metakomatiite, metaconglomerate and quartzite |  | | 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...precipitation (e.g. pyrite-only deposits, Morning Star Mine: Henderson 1981) or contain mineralogical and/or...but relatively uniform, ~34S values (e.g. the Ross mine, Ontario: Cameron and Hattori 1987) probably precipitated |  | Kirkland, C.L., Spaggiari, C.V., Smithies, R.H., Wingate, M.T.D., Belousova, E.A., Gréau, Y., Sweetapple, M.T., Watkins, R., Tessalina, S., Creaser, R. (2015) The affinity of Archean crust on the Yilgarn—Albany–Fraser Orogen boundary: Implications for gold mineralisation in the Tropicana Zone. Precambrian Research, 266. 260-281 doi:10.1016/j.precamres.2015.05.023 | Journal (article/letter/editorial) | | The gneissic fabric is also 239 cut by younger dolerite intrusions (greenschist facies) that also contain...within the Tropicana Zone, proximal to the Tropicana mine 692 yields a zircon U-Pb age of 2722 ± 15 Ma from...seen within the Dharwar craton (e.g. the Hutti gold mine) (Rogers et al. 2013; 983 Kolb et al., 2005)....rocks, is recognised from the Renco mine in the Limpopo belt, Zimbabwe (Kolb et al., 2002). The Limpopo...between the greenschist-amphibolite rocks of the Zimbabwe Craton and the Kaapvaal 991 Craton (Kramers |  | Zhong, Yun, Xia, Bin, Liu, Wei-Liang, Yin, Zheng-Xin, Hu, Xi-Chong, Huang, Wei (2015) Geochronology, petrogenesis and tectonic implications of the Jurassic Namco–Renco ophiolites, Tibet. International Geology Review, 57 (4) 508-528 doi:10.1080/00206814.2015.1017776 | Journal (article/letter/editorial) | | and tectonic implications of the Jurassic Namco–Renco ophiolites, Tibet ab ab Yun Zhong , Bin Xia ,...and tectonic implications of the Jurassic Namco–Renco ophiolites, Tibet, International Geology Review...and tectonic implications of the Jurassic Namco–Renco ophiolites, Tibet Yun Zhonga,b, Bin Xiaa,b*, Wei-Liang...accepted 7 February 2015) The nature of the Namco–Renco ophiolites in the northern Lhasa subterrane is widely...lherzolites, gabbros, and diabasic dikes of the Renco ophiolite were selected for whole-rock geochemical |  | | 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 |  | | Journal (article/letter/editorial) | | magnetite-bearing diorite and differentiated tholeiitic dolerite sills are some of the important hosts to major...1–2 km by 1–2 km by 1–20 m Barton Deeps at Jundee mine Deposit Ore shoot Several geographically related...near-constant in many gold systems. For example, at Hunt mine in the Kambalda–St Ives goldfield, an alteration...abundant as an intermediate alteration product of dolerite host rock surrounding the proximal auriferous...deposition retrograde (Fig. 11, middle; e.g. Hunt mine, Kambalda–St Ives). In deeper–later metamorphism |  | | Report (issue) | | interest in the geo logy and mineral resources of Zimbabwe which followed the removal of United Nations sanctions...original Bulletin is the insertion of Table IIIA, Zimbabwe Mineral Production and Value, on page 114A. Due...for views of Wankie Colliery and the Trojan nickel mine, and to the Photographic Section of the Ministry...near Salisbury. facing page 23 IV Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke...Complex. VI Chrome seam in the Great Dyke, Vanad Mine. VII Lower Karoo Landscape. No. 1 Colliery, Wankie |  | Knight, J. T., Ridley, J. R., Groves, D. I. (2000) The Archean Amphibolite Facies Coolgardie Goldfield, Yilgarn Craton,Western Australia: Nature, Controls, and Gold Field-Scale Patterns of HydrothermalWall-Rock Alteration. Economic Geology, 95 (1) 49-84 doi:10.2113/gsecongeo.95.1.49 | Journal (article/letter/editorial) | | the Yilgarn craton, Western Australia, at the district-scale at Norseman (McCuaig et al., 1993), and...composition from dacite and rhyodacite to diorite, dolerite, and hornblende lamprophyre have been emplaced...in interleaved sequences of Fe-rich gabbro or dolerite intrusions and extrusive ultramafic rocks (Brilliant...quartz-feldspar porphyry 10,112 kg Au High Mg basalt, dolerite Mystery Mint Flagstaff Burbanks Brilliant...hornblende-plagioclase-garnet-biotite-ilmenite rock (altered dolerite); intermediate alteration, Tindals. b. Garnet |  | | Report (chapter) | | gold mine. Gold anomalies in drillcores are identified updip and downdip from the current mine workings...lower. The comprehensive gold assay data from the mine, which are integrated with structural observations...constrain the 3D geometry of the deposit and assess the mine-scale geochemical, lithological and structural controls...(Kaltoft et al. 2000). The meta-basalt and meta-dolerite were metamorphosed to amphibolite facies during...the Kirkespir valley area, where the Nalunaq gold mine is situated, showing the locations of the Nalunaq |  | Zeng, Xiao-Wen, Wang, Ming, Fan, Jian-Jun, Li, Cai, Xie, Chao-Ming, Liu, Yi-Ming, Zhang, Tian-Yu (2018) Geochemistry and geochronology of gabbros from the Asa Ophiolite, Tibet: Implications for the early Cretaceous evolution of the Meso-Tethys Ocean. Lithos, 320. 192-206 doi:10.1016/j.lithos.2018.09.013 | Journal (article/letter/editorial) | | segments of SNMZ (Yunzhug, Guomangco, Namco, and Renco Areas) show distinct geochemical characteristics...formation of Namco–Renco peridotites in an infant back arc basin, whereas the Renco gabbros were developed...at 149.7 ± 1.6 Ma, along with the formation of Renco diabasic dikes and Namco basalts in a mature back-arc...formation of MA MORB-type rocks in the Yunzhug and Renco Ophiolites. Likewise, the NbN versus ThN diagram...tectonic implications of the Jurassic Namco– AC C Renco ophiolites, Tibet. International Geology Review |
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