 | | Journal (article/letter/editorial) | | the Freda-Rebecca gold deposit ± Bindura District, Zimbabwe Received: 4 January 1999 / Accepted: 13...Abstract The Freda-Rebecca Mine is currently the largest gold producer in Zimbabwe. The ore deposit is hosted...``upper greenstones'' are represented by the ``Arcturus Formation'', which consists of a thick pile of...terrigenous metasediments are intercalated in the Arcturus Formation. Metasediments and felsic metavolcanic...metapyroclastic rocks and metasediments, exposed north-east of the Bindura pluton. In the northern margin of |  | | Journal (article/letter/editorial) | | assemblages at the Viceroy Mine, Harare-Bindura-Shamva greenstone belt, Zimbabwe T. OBERTHÜR* AND T. W...2008] ABSTR ACT Gold mineralization at the Viceroy Mine is hosted in extensional veins in steep shear zones...zones that transect metabasalts of the Archaean Arcturus Formation. The gold mineralization is generally...liquid/melt-collecting mechanism was probably active at Viceroy Mine, where the distinct Au-Bi-TeS assemblage either...Archaean, Viceroy and Mazowe Mines, Zimbabwe, Passagem de Mariana Mine, Brazil. Introduction FOR a long |  | 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) | | Mazowe area, Harare-Bindura-Shamva greenstone belt, Zimbabwe: II. Genetic relationships deduced from mineralogical...In the Mazowe area some 40 km NW of Harare in Zimbabwe, gold mineralization is hosted in a variety of...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...Department, University of Zimbabwe, P.O. Box MP 167, Mount Pleasant, Harare, Zimbabwe U.F. Hein Institut fuÈr |  | | Corporate Document | | Report for the Malmbjerg Project, located on the east coast of Greenland. The Technical Report is intended...license area is located in the central portion of the east coast of Greenland, approximately 600 km north of...Minekompagni conducts a feasibility study for an open pit mine operation. The study concluded that the deposit...youngest): perthite granite, quartz porphyry (Arcturus porphyry), porphyritic aplite, and weakly feldspathic...two 5 – 15 m thick subvertical sheets, striking east-northeasterly. 1-2 ROSCOE POSTLE ASSOCIATES INC |  | | Journal (article/letter/editorial) | | porphyrycopperdepositin the Robinson miningdistrict,east centralNevada,represents the easternextremityof...pophyses of a largerpluton that underlies the district. Prior to intrusionthe sedimentaryrockswere folded...emplacementof an earlyquartzmonzoniteporphyrypluton.In the mine areathisintrusionis cylindricaland plunges25ø westwith...sulfide-richgarnet-pyroxene skarnselsewherein the district,the predominantskarntype at Ruth is a massivegarnetskarnlow...Veteranand Tripp deposits at the west end of the district, and Fournier (1967a and b) and James(1972, 1976) |  | | Report (issue) | | .......................... . Situation of the district ...................................................................... General geology of the district ........................................................................................... . Arcturus limestone ........................... ~ ........40 41 41 4 CONTENTS. General goology of the district-Continued. Structure ........ ~ . . . . . . .... . . . . . . . . . . . . . . . . Composition of mine water ........................... ·. . . . . . |  | | 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 |  | | Report (issue) | | Gold in the Bingham District, Utah By EDWIN W. TOOKER Gold in the Butte District, Montana By EDWIN W...W. TOOKER Gold in the Ely (Robinson) Copper District, White Pine County, Nevada By LAURENCE P.JAMES ...Gold in the Bingham District, Utah / by Edwin W. looker Gold in the Butte District, Montana / by Edwin...Edwin W. looker Gold in the Ely (Robinson) Copper District, White Pine County, Nevada / by Laurence P. James... 89-600379 CIP CONTENTS Gold in the Bingham district, Utah Abstract El Introduction E2 Production and |  | | Report (issue) | | Greenland GEOLOGY AND ORE The mineral potential of the East Greenland Palaeogene intrusions No. 6 - February... I Major fault Iceland Map of the Palaeogene East Greenland igneous province. 2 16° I Major sill...basalt province present between 66° and 75°N, the East Greenland flood basalt province ranks with provinces...complexes characterise the outer coastal area of East Greenland. They are all part of the Palaeogene volcanic...remoteness, severe climate and rugged topography, the East Greenland Palaeogene province remains vastly underexplored |  | | 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 (issue) | | Speaking 3 T5I California Convention 4 Yogo Sapphire Mine Reopened 4 Alpha Counters 5 Berkeley Cass iter ite...WILL PROBABLY BE HELD AT OAKLAND, CALIF., WITH THE EAST BaY MINERAL Society as officiating host. Final decision...States. YOGO SAPPHIRE MINE REOPENED A REOPEN INC OF THE FAMED YOGO~ 'SAPP H I RE MINE, IN THE LITTLE BELT...scheduled TO BEGIN THIS MONTH, UNDER NEW OPERATORS. THE MINE HAS BEEN IDLE SINCE 1929, AFTER HAVING PRODUCED...Mountains The Yogo mine has the distinction of being the only lode vein SAPPHIRE MINE IN THE WORLD, SINCE |  | | Journal (article/letter/editorial) | | 102, pp. 1129–1155 Bald Mountain Gold Mining District, Nevada: A Jurassic Reduced Intrusion-Related...Colorado 80209 Abstract The Bald Mountain mining district has produced about 2 million ounces (Moz) of Au...deposits (Fig. 1A) include the Battle Mountain district (Theodore, 2000) and the world-class Bingham deposit...porphyry-related Cu deposit at the small Victoria mine in the Dolly Varden Mountains (Atkinson et al.,...Profett, 2000). The Bald Mountain mining district is in east-central Nevada, about 115 km south-southeast |  | | Report (issue) | | Introduction Mineral deposits in and near the study area East flank zone Pyritiferous veins Silver-lead-zinc replacement...deposit':?.. Elkhorn-Tizer Basin zone Elkhorn district -»_»_.,H"1 -? r7Q f i-L^ifciL P. d o-i-n DdO-Lll...Ridge prospect Breccia pipe deposits Skyline Mine Blackjack Mine Chicago and Last Hope Mines Group I - Precious-...occurrences Mining districts (lodes) Beaver Creek district C O O /-\ t£ +L fU -t-L Y-* ', * H _ »__ _...History and production Economic geology Elkhorn district 88c 88f 88f History and production Economic |  | | Journal (issue) | | KOCH ON THE ALKALI MASSIF OF THE WERNER BJERGE IN EAST GREENLAND BY P. BEARTH WITH 9 FIGURES IN THE TEXT...KOCH ON THE ALKALI MASSIF OF THE WERNER BJERGE IN EAST GREENLAND BY P. BEARTH WITH 9 FIGURES IN THE TEXT...Pneumatolytic-Hydrothermal Formations.... The Molybdenite Occurrences at the Malmbjerg . . . . . . . ....narsarsukite in a druse of pegmatite. ,. 18 Molybdenite on planes of joint in intrusive rock of the Malmbjerg...the Werner Bjerge lies in Scoresby Land, near the East coast of Greenland, almost at the point of intersection |  | | Book | | vein and bed replacements typified in the Magma mine at Superior, Arizona, and the host of small basemetal...deposits in the Pima district near Tucson, Arizona, where, in a single district, separate deposits of...“Transverse” Structural Trends—Texas Structural Zone—East-West Structural Trends— Basin and Range System—Wrench...Deposits—Ajo—Bagdad—Bisbee—Globe-Miami—Morenci—Pima District—Ray—San Manuel—Silver Bell—Relation of Alteration...Descriptive Geology GEOLOGY OF THE NEW CORNELIA MINE, AJO, ARIZONA 128 . by D. W. Dixon, Phelps Dodge |  | | Journal (issue) | | IMPERIAL iNSTITtJT� administrative appointments in East and West Africa. Instruction in these Courses in...Committee for India Sir C. C. McLEOD, Chairman, East India Section, London Chamber of Commerce (Cha.innan)...charcoal and tar. There is a large demand in the East for acetic acid, and possibly the wood naphtha would...grown in Boyaca appears to be indigenous to the district, and is apparently the same type that was cultivated...of the African oil palm in Malaya and the Dutch East Indies and to the satisfactory results which have |  | | Report (issue) | | Talapoosa and Olinghouse districts and the Gooseberry mine. Northeast of Lovelock we pass through Roberts'...Silver deposit hosted in Tertiary rhyolitic rocks. East of Golconda we enter the Getchell trend which Roberts...strong lithologic and structural control. Further east, as we cross the main Battle Mountain-Eureka trend...and perlite forms the summit of Washington Hill east of the altered zone. Scattered low-grade gold values...the hills north of Sparks in the WEDEKIND mining district. The Wedekind ores consisted of silver halo ids |  | | Report (issue) | | from references to the geographic term ''Mining District," especially in the pre-1920 literature. Widespread...stone hammers and called his claim the Stone Hammer mine. This find aroused so much interest that the San...circumstance the location was named the Stone Hammer mine. "The State Mining Bureau reported at about the...region between Death Valley and Goff's Mining District, nearer the former, and that good samples were...the museum of the Bureau. * * * "The turquoise district, as described by Mr. Eisen and others of the party |  | | Report (issue) | | 323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado 324 Cope tick Rock DIsEEIcL sCoLoradO)...324 DeeGkante District, New sMext Comer. clecetsls cused cists! 0/0 326 E. Shiprock District, Utah—Arizona...Utah—Arizona ....vccccsnens F. Monticello-Moab-Thompsons District, Utah .....secvceee 326 327 ee eeseeee Gig GE...between galena sphalerite, Darwin Lead-Silver-Zinc mine, Inyo County, California, Econ. Geol., v. 66, p... study mine, of the '"'B" limestone Bingham mining The age of porphyry-type district, 66, p. |  | | Book | | the 18th Antiquity in Beryl the Ancient 4 East, 9 Analysis, 11 Physical 50 Haiiy and His... (formerly Belgian Congo), Zambia, 602 485 Zimbabwe Norway, 486 (formerly Rhodesia), 603 488 ...India. modern reported by network of via Near East, Mediterranean, and in to out to be emeralds...his of study states no Far beryl, but not East, but their emerald, use in evidence that the...documentary seals suggests the Laufer no THE ANCIENT EAST in the Orient In mica and 500 a.d., which is |  | | Report (issue) | | stone hammers, and called his claim the Stone Hammer mine. This find aroused so much interest that the San...circumstance the location was named the Stone Hammer mine. "The State Slining Bureau reported at about the...region between Death Valley and Goff's Mining District, nearer the former, and that good samples were...the museum of the Bureau. * * * "The turquoise district, as described by Mr. Eisen and others of the party...Klamath River, two localities; 1 mile east of Tuolumne 4 miles east of Lindsay, Tulare County near mouth |  | | Journal (volume) | | Output of Minerals Alaska Perseverance Alexo Nickel Mine 82 ^224 *208 11 (m.d.) Mines Co Aluminium Alloys...Asbestos in South Africa Asbestos in Tasmania Ashanti Mine, Falls of Ground at Ashcroft, E. A., Potash from...Barbadoes, Oil Prospects in 43 (m.ii.) Barberton District, Geology of 377 Barnes, W., Iron Ore in the Midiands"...Report"." 273 ) Basset Mine Basset Mines !.!!!."....'...*..'..."......... Bauchi Mine, Nigeria Bauxite in...Molybdenum, and Tungsten Bleloch, W. E., and Far East Rand Blount, B., Accuracy of Balances ... Blue Sky |  | | Report (issue) | | Tertiary. All of the intrusions occupy areas south and east of Las Vegas and extend southward to the southern...and granite that crop out in the Virgin Mountains east of Las Vegas and west of the Colorado .River. The...GOLD BUTTE DISTRICT General location: Southern end of the South Virgin Mountains, directly east of the...the metamorphic rocks. Hydrologic setting: The district is in the Lake Mead ground-water system and the...Accessibility: A secondary, all-weather road extends east of Las Vegas and flanks the northern edge of Lake |  | | Report (issue) | | outcrops along the Colorado River gorge 11 miles east of Moab, Utah, show similar mottled bleaching associated...ALLEN, JIM E., 1961, Wall rock alteration, Ontario mine, Keetley [Wasatch County], Utah: Univ. of Utah M...derived from the mantle. At the Ontario mine, Park City district, Tertiary mesothermal lead -zinc-sil ver-copper...Temperatures of sulfide deposition in the Tintic district, estimated by sulfur isotopiC thermometry, vary...er s. Transitionally overlying the Wasatch on the east side of the Green River, the Green River Formation |  | | Journal (issue) | | Oourte,v of Beo.r Mountain Bridge Oo. View looking east from top of BeaT Mountain, Orange County, New York...collectora for miles around will tTek to the Pyrrhotite :Mine located about a mile and a half in from the river...1933 If ,t J r The Anthony~s Nose Pyrrhotite Mine -By- PETER Z()DAC' Editor, Roc•ks a11d .lli11 era...111i11erals. ) You would look in vain for the pyrrhotite mine were you to come ~o Peekskill with the express h...copper mine, man y iron and emery mines, a n d even a gold nline but no-what d id you call it mine? Well |
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