 | | 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 June 2015 Newsletter No. 2 of 3 of 2015 Fun was had by all...Society of Zimbabwe, P.O. Box CY 1719, Causeway, Harare Geological Society of Zimbabwe Newsletter ...Nickeliferous Archean Madziwa Igneous Complex, Northern Zimbabwe: Petrological Evolution, Magmatic Architecture...Society of Zimbabwe Annual Symposium 28/11/2014, Geology Department, University of Zimbabwe – Summaries...Ben Mapani ……….. The History of Mica Mining in Zimbabwe – Tim Broderick ………………….. Citation for the A.E |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter September 2006 Geological Society of Zimbabwe Newsletter September...Tarka Forest ‘Gold Rush’ July, 2006 Collins Mwatahwa THE GEOLOGICAL SOCIETY OF ZIMBABWE, P.O. BOX CY...1719, CAUSEWAY, HARARE Geological Society of Zimbabwe Newsletter September 2006 Contents EDITORIAL...Department, University of Zimbabwe ………………………………………….. 8 The Geological Survey of Zimbabwe ……………………………………………………...…………………………………………………… …. 15 2 Geological Society of Zimbabwe Newsletter September 2006 Editorial Welcome |  | Oberthür, T., Blenkinsop, T. G., Hein, U. F., Höppner, M., Höhndorf, A., Weiser, T. W. (2000) Gold mineralization in the Mazowe area, Harare-Bindura-Shamva greenstone belt, Zimbabwe: II. Genetic relationships deduced from mineralogical, fluid inclusion and stable isotope studies, and the Sm-Nd isotopic composition of scheelites. Mineralium Deposita, 35 (2) 138-156 doi:10.1007/s001260050012 | Journal (article/letter/editorial) | | Weiser Gold mineralization in the Mazowe area, Harare-Bindura-Shamva greenstone belt, Zimbabwe: II. Genetic...the Mazowe area some 40 km NW of Harare in Zimbabwe, gold mineralization is hosted in a variety of lithologies...the mainly granodiorite-hosted workings at Mazowe mine are on pyrite-rich reefs, mines of the Bernheim...arsenopyrite-rich ores, and Stori's Golden Shaft and Alice mine, both in metabasalts, work sul®de-poor quartz veins...the Mazowe gold ®eld markedly contrast to ore ¯uids ``typical'' of Archean mesothermal gold deposits on |  | | Journal (article/letter/editorial) | | Albitites, and their rare earth element minerals of central Sardinia, Italy, 271 Alkali-deficient tourmaline...Allanite, as a secondary phase in the albitites of central Sardinia, Italy, 271 Alluvial deposits, in Colombia...Precambrian age from southern Israel, 111 Apollo mine, Siegerland, Germany, a case study of mineral reactions...inclusions from metalliferous deposits in the Cloncurry District, NW Queensland, 291 Averievite, Cuso2(VO4)2.nMX:...structure refinement of Ba-rich, 447 Centennial Eureka mine, Juab County, Utah, juabite Cus(Te6+O4)2(AsS+Oa)2 |  | | Journal (article/letter/editorial) | | mineralization in the Freda-Rebecca gold deposit ± Bindura District, Zimbabwe Received: 4 January 1999 / Accepted:...Abstract The Freda-Rebecca Mine is currently the largest gold producer in Zimbabwe. The ore deposit is hosted...second, lower temperature stage gave a polyphase gold-rich mineralization that developed in four phases...chalcopyrite. Phase 2. Chlorite, epidote, calcite, gold, native Bi, Bi-Pb sul®des, galena, chalcopyrite...CoFe-gersdorte. Phase 4. Chlorite, calcite, quartz. The gold mineralization is exclusively associated with phase |  | | Journal (issue) | | Standard (SRM 2460a) This SRM consists of a nickel-and-gold-coated polyurethane standard bullet mounted on a...brown jarosite crystals on matrix from the McLean Mine, Esmeralda Co., Nevada. The Martian material was...manufacturer’s standards. NIST Price: $556.00 Hard Rock Mine Waste (SRM 2780a) This Standard Reference Material...analysis used to determine elements in hard rock mine waste and materials of a similar matrix. SRM 2780a...collected from waste piles of abandoned mine sites in the mountains of central Colorado. A unit of SRM 2780a consists |  | | Journal (issue) | | CONTRASTS AND CONSTRAINTS ON GOLD MINERALIZATION IN GRANITOIDS IN THE ZIMBABWE CRATON: STRUCTURAL CONTROLS...CONTRASTS AND CONSTRAINTS ON GOLD MINERALISATION IN GRANITOIDS IN THE ZIMBABWE CRATON: STRUCTURAL CONTROLS...CONTRASTS AND CONSTRAINTS ON GOLD MINERALISATION IN GRANITOIDS IN THE ZIMBABWE CRATON: STRUCTURAL CONTROLS...ABSTRACT At least 24% of all Zimbabwean Archaean gold originates from granitoid rocks or greenstone xenoliths...greenstone succession and yield 4 times as much gold as marginal external granitoids. More than 98% of |  | | Journal (article/letter/editorial) | | in the Main Reef Complex of the Fairview Mine—multiphase gold mineralization during regional folding,...of Springer Nature 2019 Abstract Gold production in Fairview Mine in the Barberton Greenstone Belt,...lithological controls govern ore-shoot formation and gold mineralization. The main ore shoot corresponds to...relationships with other auriferous reefs from the Fairview Mine complex indicate a late timing of the MRC-type mineralization...protracted fluid flow events. Keywords Orogenic gold . Barberton Greenstone Belt . Sheba fault . Multiphase |  | | Journal (article/letter/editorial) | | Library] at 03:41 01 August 2012 Olivenite TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA H ydrothermal...specimen of olivenite from the worldfamous Tsumeb mine in Namibia, where attempts at specimen mining have...minerals are comparatively rare in the eastern, central, and Rocky Mountain states. In the copper mines...secondary copper assemblages from the Black Pine mine in the Phillipsburg area of Granite County (Waisman...and Gibbs 1983; Anthony et al. 1995). At the 79 mine in Gila County, olivenite occurs as small, olive-green |  | Peters, Stephen G., Ferdock, Gregory C., Woitsekhowskaya, Maria B., Leonardson, Robert, Rahn, Jerry (1998) Oreshoot zoning in the Carlin-type Betze orebody, Goldstrike Mine, Eureka County, Nevada. Open-File Report Vol. 1998 (98-620) US Geological Survey doi:10.3133/ofr98620 | Report (issue) | | in the Carlin-type Betze Orebody, Goldstrike Mine, Eureka County, Nevada By Stephen G. Peters1, Gregory...in the Carlin-type Betze Orebody, Goldstrike Mine, Eureka County, Nevada by Stephen G. Peters1, Gregory...the giant Betze gold orebody, the largest Carlin-type deposit known, in the north-central Carlin trend,...favored permeable structures and deformed zones. Gold mainly is present as disseminated sub-micron-sized...although one type of oreshoot contains micron-size free gold. Oreshoots form a three-dimensional zoning pattern |  | | Journal (issue) | | an old mine in Nevada. Alabandite from the George Nolan Pegmatite Bikita, Masvingo, Zimbabwe Tony Nikischer...as well as the more modern Zimbabwe. “Rhodesia” was a large area in central Africa that was developed...Bob knew how to do it all. In addition, Bob had mine signs, ore cars and innumerable publications and...underground collecting episode was with Bob at the Oriole Mine in Nevada a few years ago, where we mined scheelite...that same trip, we also managed to get to the Ward Mine near Ely, and it was there that we collected and |  | | Journal (issue) | | Gressman tom.gressman@minrec.org The Tintic District: Juab and Utah Counties, Utah...................COVER: CLINOCLASE, 3.9 cm, from the Mammoth mine, Tintic District, Utah. Rock Currier collection; Jeff Scovil...(deceased) Peter L. Via (deceased) SENIOR FELLOWS Gold Level Scott A. Rudolph (2022–2023) Gail & Jim Spann...holds a sample of a pascoite group mineral at a mine in Grand County, Utah. Died, Alex Earl, 26 Jayson...over the American West. A trip to the Blue Bell mine near Baker, California, in 2016 was particularly |  | | Report (volume) | | Geology of the Eureka Quadrangle Utah and Juab Counties, Utah ~y HAL T. MORRIS :oN.TRIBUTIONS TO }EOLOGICAL...fault___________________________________________ Grand Central fault________________________________________ Mammoth-May...fault zone_______________________________________ Eureka Standard fault_ _ __________ _________________...faults___________________________________ Selma and Eureka Lilly and associated faults __ -------------Mineralized...section, Eureka quadrangle, Utah ______ In pocket FIGURE 1. Generalized plan of ore bodies, Eureka quadrangle__________ |  | | Report (issue) | | Gold-bearing Polymetallic Veins and Replacement Deposits Part I U.S. GEOLOGICAL SURVEY BULLETIN 1857-C... Chapter C Gold-bearing Polymetallic Veins and Replacement Deposits Part I Bald Mountain Gold Mining Region... NORTON Gold Deposits in the Park City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka...Eureka Mining District, Nevada By DANIEL R. SHAWE and THOMAS B. NOLAN Gold in the Central City Mining District...District, Colorado By ALAN R. WALLACE U.S. GEOLOGICAL SURVEY BULLETIN 1857 GEOLOGY AND RESOURCES OF |  | | Report (volume) | | Uranium Deposits in the Eureka Gulch Area Central City District Gilpin County Colorado GEOLOGICAL SURVEY...1032-A Uranium Deposits in the Eureka Gulch Area Central City District Gilpin County Colorado By P. K..._ ________________ _ _ _ _ _ ___ _ _ ___ Bullion mine«,_____________ _ _ _ ______ _ __ _ __ __ Carroll...mine_________________ _ _ _ ________ _ ___ ___ Rara Avis mine... _____________ _ ______________ _____ _ R. H....COLORADO ILLUSTKATJONS PLATE 1. Geologic maps of the Eureka Gulch area and the north slope of Nigger Hill______ |  | | Report (issue) | | Geology and Ore Deposits of the Eureka and Adjoining Districts San Juan Mountains, Colorado By WILBUR...___________________ _ Picayune Formation _______ ------ ______ _ Eureka Tuff ___________________________ _ Burns Formation...___________________ _ Cauldron ring-fault belt ________________ _ Eureka graben ________________________ _ Fault systems...________________________________________ _ Treasure Mountain-Eureka Mountain area ____ -_--Brown Mountain area ___________________...map of the Eureka district and adjoining areas. 3. Geologic sections of the Eureka district and adjoining |  | Roberts, Ralph J., Radtke, Arthur S., Coats, R. R., Silberman, Miles L., McKee, Edwin H. (1971) Gold-bearing deposits in north-central Nevada and southwestern Idaho; with a section on periods of plutonism in north-central Nevada. Economic Geology, 66 (1) 14-33 doi:10.2113/gsecongeo.66.1.14 | Journal (article/letter/editorial) | | Vol. 66, 1971, pp. 14-33 Gold-Bearing Depositsin North-CentralNevadaand Southwestern Idaho R, nPri J...Plutonism in North-Central Nevada MILES L. SILBERMAN AND EDWIN H. MCKEE Abstract Gold-bearingdepositsin... late Tertiary. Three major epigenefic groupsof gold-bearing deposits are recognized:replacement deposits...and peripheralgold-silverdeposits.The disseminated gold depositsseemto be intermediate in mineralogy betweenthe...ve yielded significant production in only one district, Battle Mountain (Copper Canyonand CopperBasin) |  | Morris, H.T., Lovering, Thomas Seward, Mogensen, A.P., Shepard, W.M., Perry, L.I., Smith, S.M. (1979) General geology and mines of the East Tintic mining district, Utah and Juab counties, Utah, with sections on the geology of the Burgin mine and the geology of the Trixie mine. Professional Paper 1024. US Geological Survey doi:10.3133/pp1024 | Report (issue) | | General Geology and Mines of the East Tintic Mining District, Utah and Juab Counties, Utah GEOLOGICAL SURVEY...General Geology and Mines of the East Tintic: Mining District, Utah and juab Counties, Utah By H. T. MORRIS...LOVERING With sections on THE GEOLOGY OF THE BURGIN MINE By A. PAUL MOGENSEN, W. M. SHEPARD, H. T. MORRIS... and S. M. SMITH and THE GEOLOGY OF THE TRIXIE MINE By A. PAUL MOGENSEN, H. T. MORRIS, and S. M. SMITH...highly productive silver, gold, and base-metal mining district in the east-central Great Basin UNITED STATES |  | | Report (issue) | | Reese River district 14 White Pine district 14 Trinity district 16 Candelaria district 16 First bullion...of Tonopah 19 Then came Goldfield 19 Manhattan district 19 More railroads built 21 Copper production ...profits and panic 25 1934-1944, the rise and fall of gold 27 1944-1954, between wars 29 1954-1964, and era...by Joseph V. Tingley, 1993 1965-1979, copper to gold 37 1980-1989, the golden years 41 1990-and beyond... 1849-1992 2. Discovery rate, Nevada silver and gold, 1849-1992 5 3. Nevada mineral production, 1859-1992 |  | | Report (issue) | | The Eureka Mining District Nevada By THOMAS B. NOLAN GEOLOGICAL SURVEY PROFESSIONAL PAPER 406 Prepared..._ Pogonip group _____________________________ _ Eureka quartzite ___________________________ _ Hanson...Base-metal deposits ________________________ _ Windfall gold ore __________________________ _ Contact-metasomatic...map of the Eureka mining district, Nevada. 2. Geologic sections of the Eureka mining district, Nevada.... 3. Geologic structure map of the Eureka mining district, Nevada. UI 24 25 26 26 26 26 27 27 27 27 |  | | Report (issue) | | nomenclature. Vft ^..^ EXPLORATION TARGETS IN NORTH-CENTRAL NEVADA RALPH J. ROBERTS ..-"' ';,v;A "'''.k^...v'-^V ": y .V t Exploration targets in north-central Nevada . i *' «>y I i ? Ralph J. Roberts...offer exploration targets like those f in north-central Nevada. Here, a unique combination of geologic...fault; these plates reached beyond a line connecting Eureka, Elko, and Mountain City. We call this disturbance...deformation during the late Fennsylvanian in ' north-central Nevada resulted in local uplifts, causing doming |  | | Report (issue) | | GEOLOGY AND ORE DEPOSITS · OF THE TINTIC MINING DISTRICT, UTAH BY WALDEMAR LINDGREN AND G. F. LOUGHLIN.... 79 Faults north of Eureka Gulch......... .. .. .. .. 79 Faults between Eureka GulchandEurekaPf ak.... 79 Faults between Eureka Peak • and Mammoth Gulch................. 81 F~ults distinctly later than folding...History of mining 'and· metallurgy in the Tintic district, by V. C.l!eikes ............... . Production...water: .. ~.~~ ............... . Drainage of the district ....-... ·......... . Mineralization ........ |  | Orris, G.J., Bennett, P.C., Theodore, T.G. (1987) A bibliography for the Winnemucca 1 degree by 2 degrees Quadrangle, Nevada, with indexing by county, commodity, mine name, mining district and selected major topics. Open-File Report Vol. 1987 (87-89) US Geological Survey doi:10.3133/ofr8789 | Report (issue) | | with indexing by county, commodity, mine name, mining district, and selected major topics by Greta...Winnemucca 1° by 2° quadrangle, Nevada: Elko, Eureka, Humboldt, Lander, and Pershing Counties. Table...Table 3 is a listing of references by mine and mining district names. Finally, Table 4 indexes the references...1367, 1368,1369,1370,1371,1372,1373,1430,1436 Eureka 5,8,80,85,98,99,100,101,110,122,200,201,226,229...1316,1326,1502 fluorite 366,456,458,582,880,890 gold 4,6,7,8,133,14,15,20,21,22,23,24,25,37,38,38a,39 |  | | Journal (article/letter/editorial) | | Post-caldera activity in the Alban Hills volcanic district (Italy): 40Ar/39Ar geochronology and insights...determination of mercury speciation and mobility in mine waste —Chris Sladek and Mae Sexauer Gustin 927...sulfides and sulfosalts of the Pongkor epithermal gold-silver deposit, West Java, Indonesia—I. Wayan Warmada...Yeatmanite and magnussonite from the Garpenberg Norra mine, Bergslagen ore province, Sweden—Per Nysten Experimental...dating: Emplacement age of the bimodal magmatism of central Jebilet (Variscan belt, Morocco). Geodynamic implications— |
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