 | | Journal (article/letter/editorial) | | belts of California, Nevada, northern Mexico, Western Australia and Ontario, as well as such unlikely...hexoctahedra have been reported as modifying forms on complex crystals. The hexoctahedra t{124} and x{1.10.18}...plays an important role in gold chelation. In Western Australian supergene deposits, gold is strongly...one Michigan specimen, all of the rest are from western states and can be called Cordilleran gold. California...Box 368, Moscow 103009 Russia Historical gold prospecting and mining in Russia began more than 250 years |  | | Book | | V. G. Shukhov, 23–27 September 2019, Belgorod, Russia Springer Proceedings in Earth and Environmental...Series Editor Natalia S. Bezaeva, The Moscow Area, Russia The series Springer Proceedings in Earth and...Belgorod, Russia Editor Sergey Glagolev Belgorod State Technological University Belgorod, Russia ISSN...be considered at the Congress, which is held in Russia for the first time, are exceptionally broad. They...Technological University, which is a flagship university of Russia, an educational and scientific-innovative center |  | | Report (issue) | | .................................... 2 Site 22-Silver recovery units (WP-47) ..........................caustic drain line (ST-270), site 24-Neutralization pit (ST-271), and site 25~Evaporation/infiltration pond... Diagram showing sampling locations at site 22 Silver recovery units (WP-47)............... 4 5 4....caustic drain line (ST-270) and site 24-Neutralization pit (ST-271) ..........................................Concentration of silver in water and sediment samples from floor drains at site 22-Silver recovery units |  | | Report (issue) | | WILLIAM B.CLARK With sections on the Zaca gold-silver mine and the Leviathan COUNTY REPORT sulfur...Copper Gold and silver Monitor-Mogul district 13 ; 13 14 15 Silver King district Silver Mountain district...district Other gold- and silver-bearing areas 28 28 30 Future exploration 31 Iron 31 Lead Limestone...gold-silver mine the Lost Cabin gold-silver mine the Leviathan sulfur mine of Alpine of Silver Frontispiece...Markleeville 5 Morning Star gold-silver-copper mine Zaca gold-silver mine Mine yard at Zaca mine Mill |  | | Journal (article/letter/editorial) | | Plymouth 4310, New Zealand Abstract We describe the complex structure in the highest (now mined-out) levels...was occupied by a complex vein network dominated by northeast-striking gold-silver lodes up to 30 m thick...north-south, and east-west extension, implying complex 3-D strain. Clastic dikes of carbonaceous sandstone...directions, with the two main lodes in the open pit area, the Martha and the Welcome, capturing most...mainly due to a dearth of suitable outcrops. The western boundary of the Hauraki goldfield is formed by |  | | Report (issue) | | Main-Barton open pit, Jundee gold mine, WA, viewed from the east, June 1997. The pit is approximately...New South Wales Department of Mineral Resources Western Australian Department of Minerals and Energy David...number of papers on gold deposits, especially in Western Australia, emphasises the major exploration and...of current Australian gold production mined in Western Australia. The volume is primarily concerned with...viable by changes in ore processing methods, and silver-rich deposits at Nimbus, WA, and Bowdens, NSW. |  | | Journal (article/letter/editorial) | | from released fluid inclusion waters indicate a complex evolution. The carbon isotope data indicates that...deformation is of variable intensity, with the most complex structures found in the sedimentary units east...zircon (Åberg and Weihed, 1999a, b). In the open pit, the intrusion is in tectonic contact with a sequence...contact as observed in the open pit. Outcrops to the north of the open pit (Fig. 3) consist of siltand sandstones...Geology of the Björkdal area. The Björkdal open pit is indicated as a black dotted line in the northwestern |  | | Journal (article/letter/editorial) | | Hill impact structure. The meteorite excavated a complex crater with a Proterozoic core surrounded by an...stratabound Proterozoic shale-hosted zinc-lead-silver deposit, the Century orebody, is located on the...regional setting is in the Lawn Hill platform of the Western fold belt of the Mount (Mt.) Isa Inlier (Fig. 1A)..., 2017). The fluid history was protracted and complex, with the youngest mineralization-related fluids...geophysics, geochemistry, drill holes, surface and pit geology, and 3-D models. In 2017, new owners of the |  | | Report (edition) | | and maps produced by the Geological Survey of Western Australia are available from: Information Centre...Resources Bulletin 25 GEMSTONES OF WESTERN AUSTRALIA Gemstones of Western Australia second edition While...authoritative, the second edition of Gemstones of Western Australia is written not only for the professional...Fetherston et al. The second edition of Gemstones of Western Australia is an updated version published in response...the formal inception of the Geological Survey of Western Australia (GSWA) in 1896. In this second joint |  | | Report (edition) | | Stocklmayer GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Gemstones of Western Australia FRONTISPIECE Euhedral... MINERAL RESOURCES BULLETIN 25 GEMSTONES OF WESTERN AUSTRALIA by J Michael Fetherston, Susan M Stocklmayer...Stocklmayer Perth 2013 GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINISTER FOR MINES AND PETROLEUM Hon...Sellers EXECUTIVE DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Rick Rogerson REFERENCE The recommended...Stocklmayer, VC 2013, Gemstones of Western Australia: Geological Survey of Western Australia, Mineral Resources |  | Silver, E., MacKnight, R., Male, E., Pickles, W., Cocks, P., Waibel, A. (2011) LiDAR and hyperspectral analysis of mineral alteration and faulting on the west side of the Humboldt Range, Nevada. Geosphere, 7. 1357-1368 doi:10.1130/ges00673.1 | Journal (article/letter/editorial) | | from geosphere.gsapubs.org on January 14, 2012 Silver et al. 119W 117W 41N Winnemucca BM Fig 2 HR...from geosphere.gsapubs.org on January 14, 2012 Silver et al. –118°16′ –118°14′ 40°38′ N Fig. 8 Shorelines...against unaltered alluvial fan deposits along the western pit walls (MacKnight, 2005). Unaltered alluvial deposits...from geosphere.gsapubs.org on January 14, 2012 Silver et al. Rye Patch Fault Shorelines Figure 3 (Hammond...Range Geodetic Network (BARGEN) indicate that western Nevada moves northwest (~295°) with respect to |  | | Report (Issue volume) | | CHAPTER 2: ARCHAEAN GNEISS AND GRANITE-GREENSTONE OF WESTERN AUSTRALIA Pilbara and Yilgarn cratons — regional...TNE edhe cashes G SholerglShaiaur Munni Munni Complex platinum group mineralisation GREVALIOHISSB WV...ISS eee 159 SECTION 2.2: Gold Deposits Of The Western Gneiss Terrain, Yilgarn Craton Boddington gold...ie Sak ee ont). Pee North Morning Star (Parkinson Pit) gold deposit, Mount Magnet ARGS WilSOn Ee Rk, Sein...PROTEROZOIC OROGENIC DOMAINS COVER SEQUENCES OF WESTERN AUSTRALIA Oe ee TE 567 583 591 599 AND PRECAMBRIAN |  | | Journal (article/letter/editorial) | | deposits are ores of copper, zinc, lead, and a little silver, occurring mostly in the so-called Ellsworth schist...granite has injected sedimentary rocks the resulting complex is gneissoid, as the exposures in Sullivan and...materials into the sedimentary rocks forms a gneissoid complex as de scribed above. Along the shore of the West...worked intensely. Owen Lead Prospect is a small pit 20 feet deep. The Douglas Mine, opened in 1878, was...cleavage lines. Both etching with 1:1 H N 03 and the silver chloride test reveal that the galena is argentiferous |  | | Report (issue) | | ... ........ 2-Henderson No. 4 Shaft, from open pit ............................. - vi - 10 10 By...Industries. Photo 2-Henderson No. 4 shaft, from open pit. - 11 - reorganized as Canada Talc Limited. The...concession XIV, Huntingdon Township, by open pit methods, and open pit mining continued until 1908. end of the...orebody. In 1908 a No. l shaft was sunk at the western By 1911, the No. l shaft was down to 185 feet...the workings are now caved from the surface open pit to the fifth level - 12 - ' Conley Mine 270 Ft |  | | Report (chapter) | | east and southeast of Shatford Lake Bunty claims, western end of Shatford Lake . Pegmatitic granite at northwestern...at Bernic Lake .. . . . . 42 Tanco pegmatite, western end of Bernic Lake 43 Pegmatites at the eastern...northeastern pit, showing saccharoidal albite unit. . 29 28. Grace 1 pegmatite, northeastern pit, beryl.......... . ...... . 27 29. GL-9 pegmatite, western end, showing shallow dips of sheeting .. 31 30... Page Figures (cont'd.) 35. Bunty pegmatite, western end of Shatford Lake .. .. . . .. .. . . . ... |  | | Book | | Makkay ........................... . 65 Gold and silver during the 3rd Mill. cal. B.C. M. Primas ........and Chemical Analysis The metallurgy of gold and silver in prehistoric times Ch. J. Raub .................................... .. 533 La Tene gold and silver in Italy: A review of the archaeological evidence...Mediterranean Copper Age Iberian Peninsular Copper Age Western Europe British Isles Central Europe Northern Europe...considered is the development of vegetation as a complex reaction resp. interaction between climate, plant |  | | Book (volume) | | Cover ph o to g ra p h: The Bingham Canyon open pit, Utah, USA, 1998. Photographs by T M Porter. Ross...that discovered the Kintyre uranium deposit in Western Australia, establishing the existence o f a new...and the Tertiary, e.g., many of the deposits in western North America in Mexico, the U.S. and Canada (see...Loucks; and Rui et a l) relate to deposits on the western 4 Preface margin of the Pacific Plate, while...and heating (e.g., the Altiplano-Puna volcanic complex; de Silva, !989). Such magmatic systems are not |  | | Book | | and Adon Gordus from a Ceremonial and Mortuary Complex in Southern Costa Rica 3. The Goldwork of Chimor:...by the international antiquities market. Gold, silver and platinum artefacts are sought not only as prized...River, north coastal Peru;' Batan Grande, a large, complex Sican/Chimt metal production centre, and residential...gold in the context of this volume, as well as silver and tumbaga — we would like to know whether and...predominant use of a triad of metals — copper, silver, gold — and the alloys they formed in combination |  | | Journal (article/letter/editorial) | | metasedimentary rocks. Deformation at The Granites was complex and is characterized by five successive deformation...Newmont, Jundee Operations, P.O. Box 1652, Subiaco, Western Australia 6904, Australia e-mail: garry.adams@newmont...hinge was reported in the East Bullakitchie open pit mine (P. Ding, personal communication 1992), which...The MHU–HWS shear discontinuity (arrow) on the western pit wall in the West Bullakitchie open cut; c Boudinaged...extent in the MHU, and on the MHU–HWS contact on the pit floor at West Bullakitchie (Fig. 3). Although no |  | | Report (issue) | | machine at Oyster Point quarry XIX. S.", A. Clay pit of Mountville Brick Co.. Mountville. on the north...of Chestnut Hill iron banks. 1 mile southwest of Silver Spring: B. Frantz grist mill on Little Conestoga...paved road which extends west of Lancaster through Silver Spring on the north side of Chestnut Hill. Besides...main tributary Little Chickies Creek drain the western 11 LANCASTER QUADRANGLE part of the quadrangle...that form ridges and spurs extending eastward to Silver Spring (See PI. V, B). The quartzite forms another |  | | Report (issue) | | individual districts, but mineralogy is subtly complex, and a large variety of minerals are known from...Geochemical prospecting for zinc, lead, copper, and silver, Lancaster Valley, southeastern Pennsylvania, U... 1950, Occurrence of polymorphous wurtzite in western Pennsylvania and eastern Ohio, American Mineralogist...Stout, Wilber, 1941, Dolomites and limestones of western Ohio: Geological Survey, Fourth Series, Bulletin..., Klepser, H. J., 1954, Fluorspar deposits in western Kentucky: U.S. Geological Survey Bulletin 1012 |  | | Report (issue) | | History K J Hellsten, D Wegman and D Giles 135 Open Pit Mapping Aspects of Grade Control: Advantages and...Assessment and Management of Coal Recovery in Open Pit Mines A Scott 379 Evaluation of Mineral Resources...Bertinshaw and P K Ness 469 Computer Simulation of Complex Dragline Operations H Mirabediny, E Y Baafi and...Characterisation of the metallurgical parameters of more complex ores is critical in ensuring the most economical...resource and reserve estimates, particularly of open pit gold deposits in the middle and late-1980s, can be |  | | Book | | of the late Mohamed Hassan, who took over the complex task of procuring the necessary field work permits... . . . . . . . . . . . 6.3.6 Uar, New Kingdom Complex . . . . . . . . . . . . . . . . 6.3.7 Hufra . ...also engenders the exsolution of their natural silver contents that are present in all Egyptian gold...primary or secondary deposits. Established gold-silver proportions seem to vary unsystematically within...Middle Kingdom gold mines are grouped along the western mountain flanks of Egypt’s Eastern Desert, with |  | | Report (volume) | | 69 129 QU1CK ILVER: orne cinnabar depo its in western evada, by Adolph Kn opf (published ept. 14, 1915)...microscopic appearance of polished surface of gold-silver ore from Speci Payment v in , Gilpin oun ty, olo...colorle as is the rul when the gold i alloyed with silver only,· bowed yellow and brown tints, indicatinO'...pro nt ' orkings clislo , f rm an irregular pip pit bing at a lo' angl to the northeast. Th d lomite...platinum metals rema.i11ing in ol uble on boiling the silver lead in trong sulphuric acid, 0.01 ounce to the |  | | Report (issue) | | arid Yellow ChieL ___________ _ Lead-zinc-copper-silver deposits _________________ _ Classification of..._____________ _ Origin of the lead-zinc-copper-silver deposits __ _ Suggestions for prospecting _________________...--Stratigraphic sections of Cambrian rocks of western Utah and eastern Nevada in a west-east direction_________...direction_________ Stratigraphic sections of Cambrian rocks of western Utah and eastern Nevada in a southwest-northeast...------~---------------Geologic map of adit on western end of Metal States propertY------------------ |
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