 | | Journal (issue) | | Geological Society of Zimbabwe Newsletter June, 2011 Geological Society of Zimbabwe 1960 -2010 G S Z...Newsletter June 2011 Tectonic evolution of the Zimbabwe Craton in the early Palaeoproterozoic. (a) Following...Following Söderlund et al. (2010), the Zimbabwe craton is positioned along the eastern margin of the Superior...basin initiated. (c) Assembly of the Kaapvaal and Zimbabwe cratons, and unknown terrane, Terra Incognita...Incognita at ca. 2.0 Ga led to tectonic escape of the Zimbabwe Craton and dextral shearing in the Limpopo Belt |  | | Journal (article/letter/editorial) | | Nickeliferous Archean Madziwa Igneous Complex, Northern Zimbabwe: Petrological Evolution, Magmatic Architecture... am bia 30°E 32°E 100 km Fig.2 Eo M P Zimbabwe craton E Harare Mr Mutare 19°S Bulawayo ...Introduction The Madziwa Igneous Complex in northern Zimbabwe comprises a regional group of nickeliferous, mafic-ultramafic...principal causal role in sulfide segregation at Madziwa mine and the camp was later cited as a type-example of...light of investigations carried out before final mine closure (including detailed mapping, walk-over surveys |  | | Journal (article/letter/editorial) | | South Africa Company's Pioneer :Expedition to Mashonaland throug;h this same country in 1890. During the...have seen people get on the high plateau of Mashonaland, during the last iw Jrears, from silailal exposure...Eastern Africa) to Sitanda's, the head chief of that district, and then get men from him to show us where the...After reaching the plateau we travelled to the north-west, crossing the heads of the Mai-yuni and Chongwe...a rirulet called Kalolo, which ran to the south-west towards the Kafukwe, and from this point to Sitanda's |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter February, 2009 Geological Society of Zimbabwe G Z S Newsletter...across the Perseverance Nickel Belt, Chakari – Mike Kellow THE GEOLOGICAL SOCIETY OF ZIMBABWE, P.O. BOX...1719, CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter February, 2009 Contents EDITORIAL... 4 The Indigenisation of the Mining Sector in Zimbabwe, A Reality Check and Practical Perspective .……...9 Open Pit Operations and Grade Control at Ngezi Mine ...…………………………………….. 9 Use of a Niton XRF instrument |  | | Journal (article/letter/editorial) | | syngenetic models has been debated. Districtscale and mine-scale controls on gold localization are normally...is necessary to integrate data from the mine and ore district (camp) scale with those from the regional...of ore fluid; (3) a genetic model that best fits mine-scale data; (4) the source of ore components; (5)...( _+quartz veins) in shear zones through laminated quartz veins in shear or fault zones to quartz-stockwork...less weathered greenstone terranes (e.g. Canada, Zimbabwe), although marie and BIF hosts are less dominant |  | | 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 |  | Lambert, D. D., Foster, J. G., Frick, L. R., Hoatson, D. M., Purvis, A. C. (1998) Application of the Re‐Os isotopic system to the study of Precambrian magmatic sulfide deposits of Western Australia. Australian Journal of Earth Sciences, 45 (2) 265-284 doi:10.1080/08120099808728386 | Journal (article/letter/editorial) | | some disseminated ore samples from the 2.7 Ga Perseverance deposit (Yilgarn Craton). We attribute this...Kambalda as well as olivine-sulfide cumulates from Perseverance and Mt Keith yield a magmatic Re-Os isochron...by which the Archaean komatiites at Kambalda, Perseverance and Mt Keith achieved sulfide saturation. However...sulfide deposits such as those at Kambaida, Perseverance and Mt Keith (Western Australia) and Alexo,...komatiite-hosted nickel sulfide deposits at Kambalda, Perseverance, Mt Keith and Ruth Well; the Munni Munni Complex; |  | | Report (issue) | | MINES.. . . . . . . . . . . . . . . . 2 1.4.1 Acid Mine Drainage. . . . . . . . . . . . . . . . . . . .... . . 7 1.5.3.1 Soil, Rock, Stream Sediment, and Mine Waste Sampling Procedures. . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . 21 3.0 MINE DESCRIPTIONS. . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . 27 3.45 TREASURE VAULT MINE (Site No. JV-27). . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . 32 3.46 NELLIE ANN MINE (Site No. JV-18). . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Rocky’s Reward (15.9 Mt) and Perseverance (50.7 Mt) deposits. The mine stratigraphy trends north-nor...north-northwest–south-southeast, dips moderately (30°–80°) to the west, is overturned, and metamorphosed to middleamphibolite...550ºC, 3 kbars). Stratigraphic footwall units to the west of the nickel-bearing komatiite include ca. 2720...spinifex-textured komatiite units exposed in the mine area. Exhalative pyrite-rich pelitic units and thin...several subparallel axial planar foliations. East-west shortening resulted in the folding of the composite |  | Pierre, Samuel, Jébrak, Michel, Faure, Stéphane, Roy, Gilles (2016) Depositional Setting and Structural Evolution of the Archean Perseverance Volcanogenic Massive Sulfide Deposit, Matagami Mining District, Quebec, Canada. Economic Geology, 111 (7) 1575-1594 doi:10.2113/econgeo.111.7.1575 | Journal (article/letter/editorial) | | the Archean Perseverance Volcanogenic Massive Sulfide Deposit, Matagami Mining District, Quebec, Canada...Saint-Laurent, Québec H4S 1Z6, Canada Abstract The Perseverance volcanogenic massive sulfide deposit (5.1 Mt... 1.24% Cu, 29.4 g/t Ag, 0.4 g/t Au), Matagami district, Abitibi greenstone belt, consists of four pipelike...that massive sulfide formation was active at Perseverance while tuffaceous sedimentation was ongoing on...massive sulfide (VMS) deposits of the Matagami district (Quebec, Canada) are often quoted as a classic |  | | Journal (article/letter/editorial) | | lithogeochemistry of the Key Tuffite in the vicinity of the Perseverance and Bracemac-McLeod deposits indicate that the...Replacement . Abitibi . Matagami . Bracemac-McLeod . Perseverance Introduction Since the discovery of the Matagami...the last two VMS discoveries at Matagami, the Perseverance (Arnold 2006) and Bracemac-McLeod (Adair 2009)...accepted ore-forming exhalative model. The Perseverance mine consists of three sub-vertical orebodies overlain...silicified, Key Tuffite. In contrast, the Bracemac-McLeod mine consists of (1) two main sheet-like massive sulfide |  | | Journal (article/letter/editorial) | | area has produced over 75 000 ounces of Au from quartz veins crosscutting Proterozoic shallow marine sedimentary...(predominantly Au¡Ag in structurally controlled quartz veins) similar alteration mineralogy of sericite...network of Tertiary age, and Pleistocene to Recent quartz dunefields of the Great Victoria Desert. Recent...further 65 000 ozs of Au have been defined at the Perseverance prospect by Grenfell Resources, now Stellar...continuous company exploration activity in the district together with geological research directed primarily |  | Fiorentini, M., Beresford, S., Barley, M., Duuring, P., Bekker, A., Rosengren, N., Cas, R., Hronsky, J. (2012) District to Camp Controls on the Genesis of Komatiite-Hosted Nickel Sulfide Deposits, Agnew-Wiluna Greenstone Belt, Western Australia: Insights from the Multiple Sulfur Isotopes. Economic Geology, 107 (5) 781-796 doi:10.2113/econgeo.107.5.781 | Journal (article/letter/editorial) | | Geologists, Inc. Economic Geology, v. 107, pp. 781–796 District to Camp Controls on the Genesis of Komatiite-Hosted...4 Western Mining Services (Australia) Pty Ltd, West Perth, WA 6005, Australia and Centre for Exploration...Ni-Cu-(PGE) deposits, with specific focus on camp to district controls. We apply multiple sulfur isotopes to...can be utilized in exploration at the deposit to district scales. At the deposit scale, the spatial pattern...high-grade ores of poorly known systems. At the district scale, rather than ascertaining what controls |  | | Journal (article/letter/editorial) | | central Gawler Craton of South Australia, in the area west and south of the Gawler Ranges, contains several...(dominantly gold in sulfide-poor structurally controlled quartz veins) and alteration mineralogy (sericite–pyrite–chlorite...at least ca 1450 Ma in the Fowler Domain to the west (Fraser et al. 2002). The preservation of undeformed...GOLDFIELD The Tarcoola Goldfield, located ~2 km west of the Tarcoola township (Figure 1), is the northernmost...the Tarcoola Goldfield is hosted dominantly by quartz veins cross-cutting both Palaeoproterozoic sedimentary |  | | Journal (article/letter/editorial) | | Mineralization at the Perseverance deposit in the Tarcoola goldfield is hosted by quartz veins in both granite...Primary fluid inclusions from mineralized quartz veins at Perseverance are dominated by two-phase aqueous inclusions...150° and ~340°C. They occur together in single quartz grains, which suggests the coexistence of aqueous...aqueous and carbonic fluids. At the Perseverance deposit the maximum depth of fluid inclusion formation is...galena from gold-bearing mineralized veins at Perseverance are similar to Kfeldspar and whole-rock samples |  | | 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 |  | | Journal (article/letter/editorial) | | relationship is also seen further south, where the Perseverance ultramafic complex consists of a thick central...dunite bodies. The Waiter Williams Formation, in the west-central part of the Norseman-Wiluna Belt, is a very...to lower lava flow rates. Field evidence from Perseverance, and the general geometry of the dunite lenses...Australia, 6076; ** M.P.I. Pty. Ltd., 1 Walker Ave., West Perth, Western Australia, 6005. scribe these cumulate-dominated...in the north to lower amphibolite facies at Perseverance in the south. Most of the ultramafic rocks in |  | | Journal (article/letter/editorial) | | ARTICLE Thermomechanical erosion at the Alexo Mine, Abitibi greenstone belt, Ontario: implications...et al. (1999). Section ES (eastern section: Alexo Mine) is the location of the stratigraphic column in...penetratively deformed. Until 2001, most of the mine horizon remained covered by quaternary glacial deposits...water-filled trench and mine shaft. However, between 2001 and 2003, the mine area was mechanically and...of the mine environment, and to discuss the genesis of the Ni–Cu–(PGE) ores at the Alexo Mine. Geological |  | | Journal (article/letter/editorial) | | Deposits Caroline S. Perring† BHP Billiton Nickel West, 125 St George’s Terrace, Perth, WA 6000, Australia...craton of Western Australia and hosts the giant Perseverance komatiite-associated nickel sulfide deposit...over a strike length of 20 km adjacent to the Perseverance fault on the eastern margin of the belt. In...This is illustrated with case studies of the Perseverance, Venus, Rocky’s Reward, Harmony, and Sir Lancelot...Dacite Basalt Agnew Gabbro Komatiite Perseverance Perseverance Fault Weebo Bore 50km Fig. 1. Regional |  | | Report (issue) | | Origin -------------63 Age --------------54 Perseverance slate -------.55 Distribution and character...Attitude of bedding and cleavage, Alaaka- Juneau mine, Alaoka - Attitude of linoatlon and axoa of drug...-Juneau mine, Alaaka - Steroo^ranhio plot of cleavage. Joints, and velna, Alaaka-Junoau mine, Alaska-...26 Production of the Perseverance mine - - Production of the Alaaka- Junoau mine - 2? Stratif^aphic section...with eomo ollvor and load valuoa, Tho prlnolpal mine la tho Alaska-Juncau nlno f from whloh the lodo |  | Rosengren, N. M., Grguric, B. A., Beresford, S. W., Fiorentini, M. L., Cas, R. A. F. (2007) Internal stratigraphic architecture of the komatiitic dunite-hosted MKD5 disseminated nickel sulfide deposit, Mount Keith Domain, Agnew-Wiluna Greenstone Belt, Western Australia. Mineralium Deposita, 42 (8) 821-845 doi:10.1007/s00126-007-0139-1 | Journal (article/letter/editorial) | | deposits in the world, such as Mount Keith, Perseverance, and Six Mile Well/ 822 Yakabindie (Burt...AWB trends NNW–SSE and is bounded to the east and west by voluminous Archaean granitoids and terranescale...units dip steeply (subvertical in places) to the west (Fig. 1), whereas igneous textures and geochemical...paper was conducted synproduction with the MKD5 mine operation and benefited from access to a significantly...significantly larger database of drillcore and mine-related information in comparison to most previous studies |  | | Report (issue) | | Data File JU001 Site name(s): Unnamed (on the west side of Casement Glacier) Site type: Occurrence...north of Adams Inlet. It is in a moraine on the west side of the Casement Glacier, just below about the...rocks (Brew and others, 1992). The rocks immediately west of the occurrence are metamorphosed Silurian and...Resource Data File JU002 Site name(s): Unnamed (west of Sullivan Island) Site type: Occurrence ARDF no...an east-flowing drainage 3 miles west of Lynn Canal and 5 miles west of Sullivan Island. It is in the |  | | Journal (article/letter/editorial) | | in the countryrock. At the northernlimit of the mine area, the baseof the dunite is separatedfrom the...of felsicvolcanic rocks.At the southernlimit of mine development,the dunite directly overliesthe matrix...GeologicSetting THE Agnew (formerly known as Perseverance) nickel depositis the largestknownaccumulationof...the overturned eastlimb (averagedip about80øto the west)of a D2 1986; Barneset al., 1988a; Hill et al.,...need of reevaluation. This paper nizable in the mine area is a set of 1- to 70-m-ampresents some of the |  | | Journal (article/letter/editorial) | | Oroya-style pyrite-telluride-gold lodes, Paringa South mine, Golden Mile, Kalgoorlie: 1. Shear zone systems...and the barren thrusts, and control gold-pyrite quartz vein ore at Mt. Charlotte (2651 ± 9 Ma). Keywords...Sericite . Gold Introduction The Kalgoorlie mining district, located in the Eastern Goldfields fold belt of...Deposita Fig. 1 Structural map of the Kalgoorlie district (modified from Mueller 2015). Metamorphic and...Golden Pike (GPF) and Charlotte Faults (CF) control quartz-vein ore bodies mined at Mt. Charlotte (MC). The |  | | Report (issue) | | SPOKANE, Washington--U.S . Courthouse, Rm. 678, West 920 Riverside Ave .. • ANCHORAGE, Alaska--Rm. 101...D30 FIGURES Dl. D2. Location map of the Jerome district, central Arizona D2 Plots of production data for...for the lifetime of the United Verde mine, Arizona D6 Contents Ill 03. Plot of gold grade versus...copper grade for different time periods, United Verde mine D9 04. Plot of Ag:Au ratio versus tonnage for different...Cu:Zn ratio for ore, 1944-1953, Dll United Verde mine 06. Map showing generalized geology of the Jerome |
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