 | | Journal (article/letter/editorial) | | Mankayan, Benguet Province, Philippines. The principal orebody consists of potassic alteration subjected...stockwork quartz and anhydrite in the biotitized orebody center are dominated by polyphase inclusions that...sulfides-anhydrite pairs suggests around 500Ā°C. The principal ore minerals associated with quartz-anhydrite...fractionation pairs (about 11 ā°) in the biotitized orebody center to the largest fractionation (about 25 ā°)...enargite-luzonite CuAu deposit in the Mankayan Mineral District, Benguet Province, northern Luzon, Philippines |  | | Report (issue) | | category ........ Estimated cumulative and annual mine production of tungsten contained in ore and concentrateā...For each country having a tungsten deposit or district listed in the ISMI tungsten inventory...........Amey3 ABSTRACT Scheelite and wolframite are the principal minerals currently mined for tungsten. Both occur...also recovered from placer deposits. Most current mine production of tungsten is from vein/ stockwork,...accounted for over three-fourths of the worldās mine production of tungsten. China alone produced about |  | Han, C., Xiao, W., Zhao, G., Su, B., Sakyi, P. A., Ao, S., Wan, B., Zhang, J., Zhang, Z., Wang, Z. (2014) Mid-Late Paleozoic metallogenesis and evolution of the Chinese Altai and East Junggar Orogenic Belt, NW China, CentralĀ Asia. Journal of GEOsciences, 59 (3) 255-274 | Journal (article/letter/editorial) | | Upper Devonian Qiāye Fm. The first member Copper orebody Fault Drill hole The second member Quaternary...5' Fig. 2 Geological map of the Ashele CuāZn district (after Wang DH 2003). For location see No. 1 in...The main stratigraphic units exposed in the ore district are the LowerāMiddle Devonian Ashele Fm. and Upper...volcanic arc in the Qiye Fm. The principal structures of the ore district are NāS-trending folds and faults...of meters. Ore body No. 1, the largest in the district, is a lens-shaped mound, concordant with the folded |  | | Journal (article/letter/editorial) | | Cerro de Mercado showing the extent of the martite orebody (as known in the early 1970s). the deposit. Johnson...hematite, gypsum, and calcite. Higher in the section, hematite, gypsum, and calcite, locally with barite...bodies at Cerro de Mercad0 and elsewhere in the district (Lyons 1988). Some of the rhyolite domes (Cacaria...zone of intense hydrothermal alteration. Near the orebody this consists of breccias and replacements of pyroxene...10%-30% aegerine component) with some magnetite, calcite, quartz, titanite, and zircon (fig. 7). In thin |  | | Book | | intrusion could have supplied heat only, the principal driving energy. Yet, without the heat, the ore...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...primitive island arcs, e.g. in the Izu Peninsula, Japan and elsewhere; compare Chapters 7, 10 and 12. Alkaline...orebodies, produced magnetite, actinolite, minor calcite, quartz, chalcopyrite, talc, etc. possibly mobilization...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay) |  | | Book | | intrusion could have supplied heat only, the principal driving energy. Yet, without the heat, the ore...sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...primitive island arcs, e.g. in the Izu Peninsula, Japan and elsewhere; compare Chapters 7, 10 and 12. Alkaline...orebodies, produced magnetite, actinolite, minor calcite, quartz, chalcopyrite, talc, etc. possibly mobilization...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay) |  | | Report (issue) | | paralle l to host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in paleokarst...veined with ferroan dolomite. rv1oose mine, North Alma district. Photographs b)' \Villiarn Sacco, Peabody...Carbonate-hosted sulfide deposits of the central Colorado mine ral belt: Introduction, general discussion, and...Johansing Leadville district: Geology and the origin of ore deposits in the Leadville district, Colorado: Part...and the origin of ore deposits in the Leadville district, Colorado: Part II. Oxygen, hydroge n, carbon |  | | Book | | Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in...of volcanogenic massive sulphides in Canada and Japan. Since 1983, he has been actively involved in the...Introduction 5.2 Exploration case studies 5.2.1 Hishikari, Japan 5.2.2 Kelian, Kalimantan, Indonesia 5.2.3 Ladolam...13.1 Introduction 13.2 Market setting 13.3 Gold-mine production 13.3.1 World-wide trends 13.3.2 Brazil...74 0.95 l.5 1a 2.2 <0.2-14 Slate 60 Mineralized district (Harrigan Cove) 8.7 1b 9.4 1.7-41 Metagreywacke |  | | Journal (article/letter/editorial) | | the fluorite association. The quartzfluorite, calcite-quartz-fluorite, and baritequartz-sulfide-fluorite...where they are both developed: quartzfluorite, and calcite-quartz-fluorite segregaĀ tions (occupying a nearby...deposits has consequently enabled us to clarify principal features of the geochemistry of ores and primary...series. This procedure is deĀ tailed in [ 4 ] . Principal elements that possess the most information are...occurrences of pyrite, marcasite, galena, ankerite, calcite, romanechite, calcic pelitomorphic micas, psilomelane |  | | Journal (issue) | | ................. 15 W. E. Wilson The Piedmont mine, Yavapai County, Arizona ....................................... 29 B. L. Muntyan The San Manuel mine, Pinal County, Arizona ...........................& W. E. Wilson Mineral collecting at the Magma mine, . . Superior, Arizona ..........................123 L. Presmyk & M. Hay Treasures of the Magma mine, Pinal County, Arizona .................................... 147 W. E. Wilson & Mark Hay The Ford mine, Pinal County, Arizona ........................ |  | | Journal (article/letter/editorial) | | Archean crust. Introduction THE KALGOORLIE mining district, located in greenstones of the Norseman-Wiluna...monazite in auriferous veins at the nearby Revenge mine (Nguyen, 1997; recalculated by Vielreicher et al...2003). Structural studies in the Kalgoorlie mining district show that the Golden Mile lodes are older than...Geology The gold deposits of the Kalgoorlie mining district are hosted by greenschist facies, volcano-sedimentary...Dolerite, which is the principal host rock to lode structures in the Kalgoorlie district (Travis et al., 1971) |  | Zhang, Xiao'ou, Cawood, Peter A., Wilde, Simon A., Liu, Ruqi, Song, Hailin, Li, Wen, Snee, Lawrence W. (2003) Geology and timing of mineralization at the Cangshang gold deposit, north-western Jiaodong Peninsula, China. Mineralium Deposita, 38 (2) 141-153 doi:10.1007/s00126-002-0290-7 | Journal (article/letter/editorial) | | (t) and is developed by the largest open pit gold mine in China. This deposit is a Jiaojia-style (i.e....040 and dips 40ā 75SE at the mine site. The main (no. 1) orebody lies between a hanging wall of Precambrian...geochronologic study of the pit and the principal orebody (no. 1) is presented in Fig. 2. The deposit...gold deposit and, in the vicinity of the no. 1 orebody, comprises amphibolite, with lesser amounts of... An altered maļ¬c dyke (Fig. 2) cuts the no. 1 orebody and the footwall granodiorite. It is yellow-green |  | | Report (Issue volume) | | ee }. tak eee eee Gold deposits of Hill 50 Gold Mine NL at Mount Magnet M.J. Thompson, R.B. Watchorn... the. K44 Ironstone copper-gold deposit, Gecko mine a aeCina ViseNEGRO ONTONGsYVe) @ONC) ae ener ee...oo50050c0n0odoneoseeeacans Silver-lead-zine deposit at South Mine, Broken Hill MV CTRACIMEL GV ACTON GED Rew ASCCOT...ORES Da oe ane eeer aee Goonumbla porphyry copper district ā Endeavour 26 North, Endeavour 22 and Endeavour...Boddington gold mine Geology of Gabanintha gold deposits Cross section, Big Bell gold mine Cross section |  | | Journal (volume) | | Geologist C A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Reid J. Frank Sanborn, District Mining Engineer District Engineer Mining Engineer Mineral Technologist...Ore-Buyers' Inspector Henry H. Symons, J. C. District Sampson, Assistant Ohas. V. Averill, John ...Reports of District Milling' Engineers Redding Field District Sacramento Field District San Francisco...Francisco Field District Los Angeles Field District Mineral Development and Mining Activity in Southern Ā« California |  | | Report (issue) | | Ruzicka of the Geological Survey of Canada were the principal organizers of the meeting. The Agency's responsible...... 171 D.R. Boyle The Green Mountain uranium district, Central Wyoming: type locality of solution front...sandstone and the Aphebian basement of the Key Lake mine and other uranium deposits in the eastern Athabasca...... 5,811 a lncludes number of employees for mine, mill, and general. Does not include employees for...Arizona, Colorado, and Utah also reported significant mine and mill employment in activities related to the |  | | Report (volume) | | Mexican patents which include th* BASIC PATENTS and principal improvements covering and controlling THE NOW...Machinery Dept. OFFICES For Canadian MILWAUKEE, IN PRINCIPAL Canadian Allis-Chalmers, WIS. CITIES Business:...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp...the iron mining companies of the Lake Superior district is given, and the many mining corporations of |  | | Report (issue) | | .B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agencyās...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. |  | Duong, Van-Hao, Trinh, Phan Trong, Nguyen, Thanh-Duong, Piestrzyski, Adam, Nguyen, Dinh Chau, Pieczonka, Jadwiga, Ngo, Xuan Dac, Tran Van, Phong, Thai Pham, Binh, Nguyen-Van, Huong, Ngo Van, Liem, Tien Bui, Dieu, Vu Khac, Dang, Bui, Chi Tien (2021) Cu-Au mineralization of the Sin Quyen deposit in north Vietnam: A product of Cenozoic left-lateral movement along the Red River shear zone. Ore Geology Reviews, 132. 104065pp. doi:10.1016/j.oregeorev.2021.104065 | Journal (article/letter/editorial) | | Quyen deposit has been exploited as an open-pit mine with an annual average production of 12,000 tons...biotite [15%] and with accessory apatite, sphene, calcite, and garnet (Ta et al., 1975; McLean, 2001). The...plagioclase [18%], biotite [7%], chlorite [5%], calcite and disseminated pyrite, pyrrhotite and chalcopyrite..., 1995, 2001). The metamorphic rocks are the principal hosts of the copper ore, with most of them localized... biotite, plagioclase, chlorite, epidote, and calcite. 2.4. Metamorphism The magmatic rock is divided |  | | Report (volume) | | Mexican patents which include the BASIC PATENTS and principal improvements covering and controlling THE WORLD-FAMED...California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE ā¢ MILL SMELTER Embodying recent developments...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens...of Mines. Located in the Lake Superior Mining district. Mines and Mills accessible for college work....considered to be working the public and not the mine. Many suspicious promotions are however not positively |  | | Report (issue) | | ........................................... E20 Mine Waste Characteristics........................................................................ E24 Mine Closure...........................................NORWAY 0Ā° Greenbushes Jiajika CHINA Barkam JAPAN Brockman Kobe Mount Cattlin AUSTRALIA Nanping...(griesen) around a granite pluton at the Boomer Mine in Colorado contains up to 2.3 percent beryllium...pegmatites contain beryl in sufficient quantities to mine. Although granitic pegmatites are widespread and |  | | Book | | and with descriptions of representative mining district'>, prCJvidc the professional mining gcologi'>t...the claims already staked by mining engineering, mine valuation, geophysics, and engineering geology,...Tyler (Exploration for Iron Ores), Robert K. Warner (Mine Valuation), and Kenneth K. Welker (Rock Bursts)...Mechanical Principles of Fracturing: Stress; Planes of principal 290 CONTENTS X stress; The jJattern of J1rincij...the Ore Go?: Practical hnportance; Bottoni of orebody or botfo11i of 111ini11g?; E111 pirical rules for |  | Armitage, P. E. B., McDonald, I., Edwards, S. J., Manby, G. M. (2002) Platinum-group element mineralization in the Platreef and calc-silicate footwall at Sandsloot, Potgietersrus District, South Africa. Applied Earth Science, 111 (1) 36-45 doi:10.1179/aes.2002.111.1.36 | Journal (article/letter/editorial) | | calc-silicate footwall at Sandsloot, Potgietersrus District, South Africa Downloaded by [Florida International...Rustenburg Layered Suite. At the Sandsloot open-pit mine the Platreef consists of coarse to pegmatoidal pyroxenites...carried out in 2000ā2001 at the Sandsloot open-pit mine, which is operated by Potgietersrus Platinums, Ltd...Sandsloot. The estimated reserves at the Sandsloot mine in 1998 were 23500000 t ore at an average Pt+Pd+Rh+Au...Malmani Dolomite wedges out north of the Sandsloot mine, where the Platreef comes into direct contact with |  | | Journal (volume) | | Application of Principles of Similitude to Design of Mine Workings. By P. B. Bucky anp A. L. Fentress. (With...discussion) . . Mining Methods and Costs at the Washington Mine of the Aden āWood Mining 11 25 Cr aoe Os. hous...Subsidence Ground Movement from Mining in Brier Hill Mine, Norway, Michigan. By Grorce 8. Ricz. (With discussion)...oFāOre en Laveane Reniaemene Depuates Warren Mining District, Bisbee, Arizona. By Cari Triscuxa. (With discussion)...discussion) ........ 212 Further Notes on Bumps in No. 2 Mine, ae Nova Scotia (abetracts. Byte be Mc@aitin sc |  | | Journal (article/letter/editorial) | | althoughmany are sporadicallyor locally distributed. The principal gangue mineralsare quartz and albite. Uranium...transverseveins it is found in brannerite. Thorire is the principal thoriummineralin the northwestand centralpart...hasbeenproducedin Alaska in general centeredon the principal orebody,Maccame from the Bokan Mountain areā¢ on southern...r -- r --- -- -- -- -- Columbite C -- Calcite -- -- Epidote -- -- C Pyrochlore -- r...al. Of these,only areas, Idako; Mountain Pass district, California; bastnaesite is found in other parts |  | | Journal (volume) | | Abbontiakoon Mines, Ltd., company report Abosso mine. West Africa Acacia Mining Co., Colorado 270, ...prevention . . . Queen Co.'s mine, Arizona Accident Gold Mining Co., Subil mine, French Gulch, Rules, Copper...Accidents, coal-mine in United States Compensation for Workingmen's compensation Acid mine water Acidity...Pressure In smelting Co., Colorado Mine, Victor, Colorado, electric mine-signal system.. 49 Olancho county...Distances to new placer districts 906 Fairbanks district output 1913 945 Fairbanks distrtot sts^mp-raiUs |
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