 | | Journal (article/letter/editorial) | | (1) strata-bound sulfide lenses in the Blackbird district, which are cobaltite and, less commonly, chalcopyrite...discordant tourmalinized breccias in the Blackbird district that in places have concentrations of cobaltite...the Iron Creek area, which contain cobaltiferous pyrite and locally sparse chalcopyrite or xenotime. Most...Most sulfide-rich deposits in the Blackbird district are enclosed by strata-bound lenses composed mainly...megacrystic A-type granite on the northern border of the district. These ages are used together with mineralogical |  | | Journal (article/letter/editorial) | | 03755, USA CDepartment of Applied Earth Sciences, Stanford University, Stanford, CA 94305, USA (Received...the Kiruna iron ore district, Sweden, and the southeast Missouri iron ore district, and a review of literature...magmatic zone of northwest Canada, the Bayan Obo district of China, and perhaps the Redbank breccia pipes...Wernecke Mountains, Yukon, and the Mount Painter district, South Australia (Coats and Blisset, 1971; Lambert...such as the giant iron ore deposits of the Kiruna district, Sweden, and the Fe-REE deposits of Bayan Obo |  | Witt, W. K., Hagemann, S. G., Roberts, M., Davies, A. (2020) Cobalt enrichment at the Juomasuo and Hangaslampi polymetallic deposits, Kuusamo Schist Belt, Finland: a role for an orogenic gold fluid?. Mineralium Deposita, 55 (2) 381-388 doi:10.1007/s00126-019-00943-y | Journal (article/letter/editorial) | | fold axis and are cut by tabular quartz-muscovite-pyrite gold lodes in the S2 axial plane orientation. The...heterogeneous enrichment of minor pyrite (up to 3% Co) and introduction of cobaltian pyrite and cobalt pentlandite...metres of the gold lodes. Cobaltite and Co-enriched pyrite formed because Co and S were mobilized from pyrrhotite...depleted gold ore fluid. Approximately 5 vol.% pyrite in the gold lodes displays extremely variable cobalt...ore shells at Juomasuo and Hangaslampi (Dragon Mining) This study is based on observations at the Juomasuo |  | Macdonald, A. James, Lewis, Peter D., Thompson, John F. H., Nadaraju, Genga, Bartsch, Roland, Bridge, David J., Rhys, David A., Roth, Tina, Kaip, Andrew, Godwin, Colin I., Sinclair, Alastair J. (1996) Metallogeny of an Early to Middle Jurassic arc, Iskut River area, northwestern British Columbia. Economic Geology, 91 (6) 1098-1114 doi:10.2113/gsecongeo.91.6.1098 | Journal (article/letter/editorial) | | izationoccurred in Earlyto MiddleJurassic timeandis coAu, Cu-Au-Mo; skarnCu, Au), to intermediatelevel, shearspatialwith...Brucejack Lake,JohnnyMtn. Au, Ag, (Cu, Mo) Snip mine Porphyry (i) Cu-Au (ii) Cu-Au-(Mo) (iii) Au (i)...'4'4'4'+4' 4'4'4'+ 4' STIK1NE ASSEMBLAOE Paleozoic Mine,deposit, or 4'4'4'4'4'4'4'4'4' lO o 1o + + +...northerlyelongate of chlorite-magnetite or chlorite-pyrite, flanked to be cotemporal and genetically linkedto...mineralizationassemblages by chlorite-sericite-pyrite andpaleyellowseri(e.g.,Alldrick,1991,1993).Examples |  | | Report (volume) | | of Science A. I. M. E__. American Institute of Mining and Metallurgical Engineers Aardrijksk Aardrijkskundig...cientiflca Circular' Classe classification Company, County Collections Committee Communications Comparative...Devonian development diagram Direccidn Dissertation district distribution Division Doctoral, Document Doctoral...Meteorological, etc. microscopic, etc. Mimeographed Mineral, Mining mineral resources Mineralogic, etc. Miscellaneous...Antonio Alzate Memorias vol. 55 nos. 10-12. Mexico City. Academia de ciencias me"dicas, fisicas y naturales |  | | Report (volume) | | Territories and British North America. Am.Inst. Mining Engineers, Trams., vol. 7, pp. 455-522; vol. 8...Arizona. Arkansas. Asia. Australasia. Bermuda. California. Canada, with subheadings as follows: Provinces...[BULL. 127. Louisiana. Maine. Maryland (including District of Columbia). Massachusetts. Mexico. Michigan...Minnesota. Mississippi. Missouri. Montana. Nebraska. Nevada. New Hampshire. New Jersey. New Mexico. New York...Canada. Dakota to Texas. Rocky Mountain region. California to Washington. Western Canada and Alaska. General |  | Fox, David C.M., Spinks, Samuel C., Pearce, Mark A., Barham, Milo, Le Vaillant, Margaux, Thorne, Robert L., Aspandiar, Mehrooz, Verrall, Mike (2019) Plundering Carlow Castle: First Look at a Unique Mesoarchean-Hosted Cu-Co-Au Deposit. Economic Geology, 114 (6) 1021-1031 doi:10.5382/econgeo.4672 | Journal (article/letter/editorial) | | mineralized veins the dominant ore minerals are pyrite (FeS2), chalcopyrite (CuFeS2), chalcocite (Cu2S)...Minor surficial Cu and Au mining occurred intermittently until 1957 (Openpit Mining Limited, 1987; Ruddock...sulfide-dominated mineral assemblages (Table 1): (1) a pyrite-chalcopyrite assemblage (assemblage one hereafter;...one is characterized by intergrown chalcopyrite, pyrite, and minor pyrrhotite at both microscopic and macroscopic...and XRF map of Cu within chalcopyrite (green) and pyrite-rich mineralization with Co within minor cobaltite |  | | Journal (issue) | | across the USA thereâs a need for energy and Fairchild is there. From the face of the mine to the open...Coal Industry the most advanced and dependable mining equipment available today. Add to that the dedication... cd . niall meet the energy PVC and Rubber Mine a Belting sâ { Belt Conveying Idlers Preparation...Reader Service #6 n aL OU S MINING GOAGRE PUBLISHED BY THE AMERICAN MINING VOLUME 65 Number 7 July...not necessarily represent those of the American Mining Congress PUBLISHER J. Allen Overton, Jr EDITORIAL |  | | Journal (issue) | | water 223 L. W. Chase Hall Lincoln, NE 68583-0726, USA Aspects of particular interest are: @ A. Kassam...London W54 HA, England D.R. Nielson University of California at Davis Department of Land, Air and Water Resources...Resources Veihmeyer Hall, Davis, CA 95616, USA C. W. Rose School of Australian Environmental Studies...Arlington, Virginia ANDREW SPIEKER Menlo Park, California S.H. STOW Oak Ridge, Tennessee HARRY A. TOURTELOT...TOURTELOT Denver, Colorado H.R. WENK Berkeley, California STANLEY N. WILLIAMS Tempe, Arizona 18, NUMBER |  | | Journal (issue) | | used on one other report. where the birds denoted mine villages in a region of Mexico. It predates the...works in mineralogy, early surveys, paleontology, mining, meteoritics, regional geology, and ol.d & new...com PO Box 455 ⢠Poncha Springs, Colorado 81242 USA Phone: 719-539-4113 ⢠Fax 719-539-4542 SUMMER 2002...Printers. ON THE COVER: Fluorapatite. King Lithia Mine. near Custer. Pennington Co.. SD. 1.5 X 1.5¡ miniature...begun its gradual westward descent t0wards Rapid City, and features of the topography could now be seen |  | Acosta-Gongora, P., Gleeson, S. A., Samson, I. M., Ootes, L., Corriveau, L. (2015) Gold Refining by Bismuth Melts in the Iron Oxide-Dominated NICO Au-Co-Bi ( Cu W) Deposit, NWT, Canada. Economic Geology, 110 (2) 291-314 doi:10.2113/econgeo.110.2.291 | Journal (article/letter/editorial) | | ferrohornblende II, actinolite II, biotite II, pyrite, and minor scheelite and orthoclase. The earliest...(Âąbismuthinite) and Au, with lesser magnetite, marcasite, pyrite, hastingsite, and minor quartz. The preservation...occurrence of gold in As-bearing phases such as pyrite and arsenopyrite has been widely recognized in...al., 2004). Within hydrothermal sulfides (e.g., pyrite) and sulfarsenides (e.g., arsenopyrite), studies...and Ciobanu et al. (2012) have argued that Asfree pyrite from the Dongping, Huangtualiang, and Hougou 291 |  | | Book | | territories in population, agriculture, manufactures, and mining ...-..-----.--Mliniall jertachois: lay re@mamyol...MeTMItALONsIOm Del UuseLOlscehnsUs Statistics: Ol MINING eee Qeciee eae oe inne eee cee nena ewe recone...employed during each month, by minerals, in the mining of which more than-2;000iwereiemploy.edil 9022...-/----------------102 Table 46.âWages paid for contract coal mining, and amount paid in allowances, by states and territories:...engines employed in gold and silver and copper mining: 1902...........-..-.-120 LOwetmorivenmnimmeran |  | | Book | | not just a picture book. Rather, it is a veritable mine of information, telling everything the collector...Vincenzo de Michele. curator of mineralogy at the City Museum of Natural History in M ilan , wrote : â˘...you If you plan to vIsIt an operating quarry or mine where a permll Is required make the necessary arrangements...LAKE BAILEY N I DELAWARE MINE DUMPS IOATOUTE CHLORASTROUTEI 2 AMYGDAlOID MINE DUMPS 3 AGATE HARBOR (AGATES...(AGATES THOMSONITE ON BEACH\ )l MUD VLAKE TO MANDAN MINE - HARD SURFACE Field drawing to locate a collecting |  | Gao, Fuping, Du, Yangsong, Pang, Zhenshan, Du, Yilun, Xin, Fengpei, Xie, Jinsong (2019) LA-ICP-MS Trace-Element Analysis of Pyrite from the Huanxiangwa Gold Deposit, Xiongâershan District, China: Implications for Ore Genesis. Minerals, 9 (3) 157 doi:10.3390/min9030157 | Journal (article/letter/editorial) | | Trace-Element Analysis of Pyrite from the Huanxiangwa Gold Deposit, Xiongâershan District, China: Implications...in the Xiongâershan district, which is the third-largest gold-producing district in China. Pyrites from... coupled plasma-mass spectrometry (LA-ICP-MS). Pyrite is the dominant Au-bearing mineral in the Huanxiangwa...subhedral-anhedral pyrite (Py1) disseminated in altered rocks and coarse-grained subhedral-euhedral pyrite (Py2) hosted...magmatism. Keywords: LA-ICP-MS; trace elements; pyrite; gold mineralization; Xiongâershan 1. Introduction |  | | Journal (volume) | | VENTING 74 Accidents, Chinese Laws Concerning Mine.. Accidents During Second Ten Days of Month Accidents...in Ohio, 1911 Accidents, To Decrease Anthracite Mine Account, Profit, and Loss Accumulations of Gas,...535 400 636 83 409 Page Antiseptic Treatment of Mine Timbers Antitrust Laws and the Coal Industry Apparatus...Appointment of H. M. Inspectors Appointment of Ohio Mine Inspectors Appropriations for Bureau of Mines, Recom-...Lubrication Air Humidifier, An Effective Air, Humidifying Mine 535, Air- Lift Agitation of Slime Pulp Alabama, |  | | Journal (article/letter/editorial) | | belt, northern Finland), Harnäs (Mjøsa-Vänern district, southwest Sweden), Kutemajärvi (Tampere schist...that deposit no. 56, Fäbodliden, in the Skellefte district should not be confused with deposit no. 76, Fäbodliden...site, an early (possibly syngenetic) generation of pyrite and chalcopyrite mineralization occurs in the supracrustal...SUNDBLAD deposit. The ore consists of chalcopyrite, pyrite, and pyrrhotite, native gold, and several tellurides... 43, 47, and 53â58) constitutes the Skellefte district. H = HackĂĽs, RLL = Raahe-Ladoga line. 0361-0128/98/000/000-00 |  | | Journal (article/letter/editorial) | | Proterozoic Au-Co-U mineralization in the Kuusamo district, northeastern Finland Heikki S. Pankka a and Erkki...Engineering, Geology and Geophysics, Houghton, M149931, USA b Geological Survey of Finland, Regional Office for...Proterozoic A u - C o - U mineralization in the Kuusamo district, northeastern Finland. In: G. Ga~il and K. Schulz...country rocks. Typical ore minerals in both types are pyrite, pyrrhotite, cobaltite, Co-pentlandite, chalcopyrite...are subdivided into uranium, barren sulphide, and CoAu-U-bearing types. The latter appear to be economically |  | | Journal (article/letter/editorial) | | started ongoing initiatives related to deep sea mining. These include the evaluation of mineral resources...ores and a peculiar set of sulfide minerals i.e., pyrite + chalcopyrite + sphalerite Âą marcasite Âą pyrrhotite...al., 1981). Underneath, pyrite- 5 silica breccias supplant a quartz-pyrite stockwork in relation to...zones are generally confirmed from drill cores and mining production; no distinction is made between production...Discussion 6.1. Resource abundance Compared to global mine production (e.g., in 2017; USGS, 2018), the contained |  | | Journal (article/letter/editorial) | | the past was principally as a byproduct from the mining of Paleoproterozoic base-metal massive sulfide...having been the Boliden deposit in the Skellefte district of northern Sweden (Bergman Weihed et al., 1996)...situation was reflected in the special issue of Mine Genetic type Major undeveloped deposit Economic...Peräpohja schist belt 8 Raahe-Haapajärvi district 9 Savo district 10 Southern Ostrobothnia 11 Tampere schist... Three discoveries have resulted in full-scale mining (Saattopora, Pahtavaara, and Kutemajärvi), and |  | | Book (volume) | | Auckland Bogota Caracas Lisbon London Madrid Mexico City Milan Montreal New Delhi San Juan Singapore Sydney...School. ANALGESIC; BARBITU- versity of Southern California. Titanium. Uni- COM- Addicott, Prof. Frederick...Department of Botany, Univer- POUNDS. sity of California, Davis. ABscission Abzug, Dr. Malcolm J. Manager...Department, TRW Systems Group, Redondo Beach, California. AILERON; ELEVATOR (AIRCRAFT); STABILIZER (AIRCRAFT)...England. Coxopoxtâcoauthored. ries, Palo Alto, California, and Physics Department, San Francisco State |  | | Report (issue) | | PROCESSES BENEATH LONG VALLEY CALDERA, EASTERN CALIFORNIA VOLUME I 24 - 27 January 1984 Sponsored by U...Menlo Park, California 94025 Roy A. Bailey U.S. Geological Survey Menlo Park, California 94025 Allan...Allan S. Ryall University of Nevada Reno, Nevada 89557-0018 OPEN-FILE REPORT 84-939 Compiled by Muriel Jacobson...not imply endorsement by the USGS. MENLO PARK, CALIFORNIA 1984 CONFERENCES TO DATE Conference I Abnormal...Earthquake Hazards Along the Wasatch and Sierra-Nevada Frontal Fault Zones Open-File No. 80-801 Conference |  | | Journal (article/letter/editorial) | | Primary uraninite precipitated with or without pyriteâchalcopyriteÂą molybdenite within magnetiteâilm...quartz veins such as the past-producing Rayrock mine (Fig. 1; Gandhi et al. 2000; Byron 2010; Somarin...cobaltite, bismuthinite, native Au, AuâBiâTe alloys and pyrite with or without chalcopyrite mineralization (Goad...spectrometry (EDS) located at INRS-ETE in Quebec City and the Geological Survey of Canada facilities in...at the INRS-ETE Scannography Laboratory in Quebec City (Canada) using a SOMATON Sensation 64 scanner equipped |  | | Report (issue) | | COAL IN THE MIDDLE AND EASTERN PARTS OF SAN JUAN COUNTY, NEW MEXICO. By CLYDE MAX. BAUER and JOHN B. KEESIDE...that this bed is not all coal, and attempts' to mine it in competition with the better coals lower in...through the central and southern parts of San Juan County, which occupies the extreme northwest corner of...to Alamo Arroyo, near the south side of San Juan County. (See PI. XVI.) The coal is chiefly of subbituminous...subbituminous rank and is similar to that of the Gallup district, but in the northern part of the field it is good |  | | Journal (issue) | | Publications mail agreement no. 40037944 Printed in USA ISSN 1 Bl 1-5209 (print) ISSN 1811 -5217 (onl ine)...UAM S) was established in 2007 by me rgi n g the Mine ra logica l Society o f Japa n, fo un ded in 1955...lis hed in 1928. JAM S covers the wide fi eld of mine ral sc iences, geoch em istr y, a nd petrolog y...leadership of those few places, such as Japan, California, and Denmark, where significant investments aim...Goldschmidt2020 will be held 21-26 June in Honolulu (Hawaii, USA). See https://goldschmidt.info/2020/ for more information |  | | Report (volume) | | ....... Eastern district.......................................... Western district....................qualities.............................................. Mining conditions.......................................the contrary, it is such as to encourage not only mining, but even agricultural interests. The nearest points...support important agricultural industries. The district ishould become to a large degree not only self-supporting...inches. There will probably be abundant timber for mining and local building purposes, especially as the |
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