 | | Book (edition) | | teneur en cu iVre (%) 6% 5% - - - États-Unis - · - Canada - - Australie M~enne mond iale 4,0 % en 1900...Je gisement de Cu-Ni-platinoïdes de Sudbury au Canada ou Je gisement de Broken Hill en Australie). Les...gisements comme les sables bitumineux d'Athabasca au Canada pourrait être considéré comme un minerai. Enfin...une mine à ciel ouvert, qui est une alternative bien moins onéreuse que l'exploitation d'une mine souterraine...mais ce même métal est également extrait dans une mine russe de syénite à néphéline, une roche magmatique |  | | Report (volume) | | mine____________________________________________ Tarugo mine---------------------------------------------Prospects...CONTENTS Mines and prospects-Contmued The southern area-Contmued Tuctu mmes and prospects_________________________________... CONTENTS V Mmes and prospects-Contmued The northern area--------------------------------------------Cerro...the Santa Elena-deposit area, Humac 6 GeologiC map of the Jecanca-depos1t area 7 A, Marcasite filhng opemngs...Most deposits are mmerahzed fractures contammg pyrite, galena, and sphalerite m a gangue of quartz and |  | | Thesis/Dissertation | | OF AND ORE SOUTHWESTERN NORTHWEST DEPOSITS DISTRICT IN OF TERRITORIES by A THESIS SUBMITTED IN...six studies Cambrian and Frances Lake western District From and type) tion occurred Paleozoic...following of rock sul- ore-forming meters; iv district part confining of connate (Faro, or - Grun...sub-seafloor geo- properties salinity density district - 0.81 of the - 5 ~ 20 wt. ~ 0.94 gm/ce;...- to 10 Y species water fluids burial was Lake of deep basin conditions 4.4 wt. Eom ihO eae |  | Davies, J. R., Fletcher, C. J. N., Waters, R. A., Wilson, D., Woodhall, D. G., Zalasiewicz, J. A. (1997) Geology of the country around Llanilar and Rhayader - Memoir for 1:50 000 Geological Sheets 178 and 179 (England and Wales) British Geological Survey. | Book | | • ! ,I .. GEOLOGICAL SUCCESSIONS OF THE DISTRICT 0 7 :Ngf Nantglyn , �Mudstones ___ , ... .... Glacial deposits are ,\iidesprcad across the district., and incll1de tills derived from the local Welsh...publications of the Survey dealing witJi this district and a4joining districts BOOKS British .Regional...Vei11 111ineralogy 212 Mine descriptions 212 Frongoch Mine 2 1 3 Logaulas Mine 2 1 3 Glogfawr and Glogfacl1...Ordovicia11 a11d Silt1ria11 graptolite taxa in tl1e district 250 4 Pl1ysical property determinatio11s on rock |  | | Book (volume) | | noch keinen Diamanten gelieiturt Im Westen an den District von Diamantina reiht sich , : ^) der kommen...Das Cloiskaux 6) In Semt da Chapada und (Ann. Mine» 1855, 8, 304 vcrmuthete deshalb eine Aehnlichkeit...nürdwestlich vom Yankee Hill, Howiu auf der Corbier Mine bei Magalia und am St. Clair Fiat bei Pcntx.. ZaMreiche...Weitere Funde 1846 in den Goldwäschen von Twittv-'a Mine in Kut herford Co. ein verzogener 48-tljichnor von...Gevth: ein Oktaäder ersten Wassers auf der Portis Mine in Franklin Co., ein kioiner Dianaat an Mnddy Creek |  | McKee, Edwin D., Crosby, Eleanor J., Bachman, George O., Bell, Kenneth G., Dixon, George H., Frezon, Sherwood E., Glick, Ernest E., Irwin, William P., Mallory, William W., Mapel, William J., Maughan, Edwin K., Prichard, George E., Shideler, Gerald L., Stewart, Gary F., Wanless, Harold R., Wilson, Richard F. (1975) Paleotectonic investigations of the Pennsylvanian System in the United States, Part I: Introduction and regional analyses of the Pennsylvanian System. Professional Paper 8531. US Geological Survey doi:10.3133/pp8531 | Report (issue) | | volume " ontent "I Pag FIGU RE 1. Map howing area of re ponsibili ty ....... ... . .. . ............contributed to se era! of the pecial tudie . Th area of re pon ibilit of the cooperatin eologi t are...-·( R. 1·. \ II n G. 0 . Bachman riG RE 1. - Area of r ubinter al a u ed ), th e entiall qui alent...definite!. or probabl not th arne a tho of the t pe area, the fhis report was prepared before the decision...prepare comparable but mor detail d map of local area b the addition of upplem ntar data. Den it of control |
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