 | | Journal (article/letter/editorial) | | uranium minerals, brannerite, uraninite and a "monazite" complex, occur with a typical detrital assemblage.......... • L•ATION •P •owing Fig. 1 SEL•TED MINE SHAFTS & DIAMOND in BLIND RIVER DRILL HOLES ...overlap the StanrockSpanish American zone. The Pronto depositdescribedin somedetail by Holmes (14) lies...to approximately 700 feetnorthof the Algom-Nordic mine. Thickening is not continuous, a shelf-likearea...directionsouthwest to southparallelto the long axesof the ore zonesand to the long axesof at leastsomeof the basement |  | | Journal (article/letter/editorial) | | mines now in production in the Blind River area of Ontario have provided considerablenew evidence on the origin...definite detrital minerals, such as zircon and monazite, have an age correspondingto that of the Archaean...and the tenth (Pronto) 18 mileseastof that town. In addition one, the Spanish American mine, is on a care-and-maintenance...the management of The Rio Tinto Mining Companyof Canada (these being the Quirke and Nordic mines of Algom...Mines Ltd., the Milliken Uranium mineand the Pronto mine) and a gooddeal of the evidence presentedcomesfrom |  | | Report (issue) | | Price 75 cents 1963 GEOLOGICAL SUR VEY CANADA OF CANADA PAPER 63-18 ROCKS AND MINERALS FOR THE COLLECTOR:... DEPARTMENT MINES AND OF TECHNICAL SURVEYS CANADA - i - CONTENTS Page Introduction . . . . ..... . . . . . . . . . . . . . . . . . Falcon gold mine . . . . . . . . . . . . . . . . . . . . . . . ..... . .. . . . . . . . . . . . . . . . . McMillan Mine . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . .. Massey mine .. .. . . . . . . . ..... ... .. . . . . . . . |  | | Report (issue) | | GOVERN YOUR USE OF THIS DOCUMENT Your use of this Ontario Geological Survey document (the “Content”) is governed... copyright is held by the Queen’s Printer for Ontario. It is recommended that reference to the Content...and Scenery, North Shore of Lake Huron Region; Ontario Geological Survey, Geological Guide Book 4, 224p...670-5691 Toll-Free: 1-888-415-9845, ext. 5691 (inside Canada, United States) Pubsales.ndm@ontario.ca The Purchase...670-5691 Toll-Free: 1-888-415-9845, ext. 5691 (inside Canada, United States) Pubsales.ndm@ontario.ca Crown |  | | Report (issue) | | actual size. A2 A. AB Reef, Denison Mine, Elliot Lake, Ontario. (Samples courtesy of V. Ruzicka, photography...photography by David M. Watson, both Geological Survey of Canada.) 1. Photograph, artificial light. Note distribution...Leader Reef, about 1500 m depth, Blyvooruitzicht Gold Mine, Carletonville, Witwatersrand. (Sample courtesy...radioluxograph by David M. Watson, Geological Survey of Canada.) 1. Photograph, artificial light. The band of...Witwatersrand, South Africa, and Blind River, Ontario, Canada, by D. E. Grandstaff. Discussion. K. Preliminary |  | | Journal (article/letter/editorial) | | BRANNERITEFROM ONTARIO,CANADA E. W. Numtnrn, (Jniversi.ty oJ Toronto, Toronto, Canada The Blind River...economically-significantamounts of uranium in Long township. The original find was at one time prospected...again staked in 1951and in 1953, a new company, Pronto Uranium Mines, was formed to take over and explore...concentrated in Long township on the lower limb (Pronto Uranium Mines) and west of Quirke Lake in township 150 on...conglomeratebed varies in thickness, but on the Pronto property averages8j feet. It has been traced for |  | | Report (issue) | | Energy, Mines and Resources Canada E:nergie, Mines et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES...OUR IDEAS COVER Left: Amethyst - Thunder Bay, Ontario. Specimen measures 4.5 cm across the base. National...no. 17206. GSC 204971-1 Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents...bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada KIA OS9 and from. Geological |  | | Journal (article/letter/editorial) | | paleosol (ancient soil formed by weathering), Pronto, Canada. The RE phosphate minerals were observed and...chemistries of RE phosphate minerals have revealed that monazite [light RE elements (REE)] and xenotime (Y) at...rims of apatite and pores are secondary products. Monazite (light REE) and xenotime (Y) were found to have...weathering and its subsequent decomposition into monazite (light REE) and xenotime (Y) during metasomatism...reaction pathway, the Ce contents in the secondary monazite suggest a very low atmospheric oxygen level at |  | | Journal (issue) | | Rocks and Minerals of Ontario -- H f ONTARIO DEPARTMENT OF MINES AND NORTHERN AFFAIRS Honourable...and Minerals of Ontario By D. F. HEWITT Chief, Industrial Mineral Section Ontario Department of Mines...Early Precambrian pillow lavas; Munekun Lake, District of Kenora. (Courtesy L. D. Ayres). Lower right:... (Courtesy The International Nickel Company of Canada, Limited). Centre left: Eurypterus lacustris, an...about 400 m.y. ago; Welland County. (Courtesy Shell Canada Ltd.). right: left: — — — Centre right: Archaeocrinus |  | | Journal (article/letter/editorial) | | Sackville, New Brunswick EOA 3C0 (Canada) G.A. HARRON DuPont of Canada Exploration Ltd., Suite 102, 1550...Alberni Street, Vancouver, British Columbia V6G 1A5 (Canada) ABSTRACT Mossman, D.J. and Harron, G.A., 1983...distribution of gold in the Huronian Supergroup, Canada -- the case for Witwatersrand-type paleoplacers...as "thucholite", is less well understood. It has long been known from the Elliot Lake ores, although it...preserved along a belt ~ 325 km long × 60 km wide from Sault Ste. Marie, Ontario, to Noranda, Quebec. It is |  | | Journal (article/letter/editorial) | | recoveredcommerciallysaveas a by-productof the gold. In Canada, on the otherhand,the conglomerates are payable...extensive,but a great many workersin SouthAfrica, Canada,and Brazil have remarkedon the generalparallelismin...originof thistypeof ore deposithasbeenthe topicof a long-continued controversy,centeredprincipallyupon the...Dominion reef, South Africa Blind River reefs, Ontario 0.09 0.11 Pyritoso reef, Brazil 0.01 Witwatersrand...supplemented by publisheddata on material from Canada, Alaska, California, Idaho, Mexico and the U.S |  | Nedachi, Yoko, Nedachi, Munetomo, Bennett, Gerald, Ohmoto, Hiroshi (2005) Geochemistry and mineralogy of the 2.45 Ga Pronto paleosols, Ontario, Canada. Chemical Geology, 214 (1) 21-44 doi:10.1016/j.chemgeo.2004.08.026 | Journal (article/letter/editorial) | | Geochemistry and mineralogy of the 2.45 Ga Pronto paleosols, Ontario, Canada Yoko Nedachia,*, Munetomo Nedachib...Kagoshima 890-0065, Japan c Ontario Geological Survey of Canada, Toronto, Ontario, Canada M7A 1N3 d Astrobiology...2003; accepted 19 August 2004 Abstract The Ontario, Canada Pronto paleosols, which formed around 2.45 Ga...paleosols at Elliot Lake, Ontario, Canada. Precambrian Res. 12, 349–373], the Pronto paleosols are among the...observations support the weathering origin of the Pronto paleosols. However, the profile should be identified |  | | Journal (article/letter/editorial) | | Japan b Geological Survey of Canada, 601 Booth St., Ottawa, Ont., Canada K1A 0E8 Received 22 December...paleosol developed on Archean granite near Pronto mine, Canada, we found that Ce-rich rhabdophane formed...presence of rhabdophane with Ce3 throughout the Pronto paleosol provides compelling evidence of an anoxic...Geology and mineralogy The paleosol at Pronto mine, Ontario, Canada (46³12.5P N, 82³42.5P W) was formed...15]. Previous studies of the Pronto paleosols, exposed in the old Pronto mine and in nearby areas, were |  | | Journal (article/letter/editorial) | | 02- and CO2-rich atmosphere 2.45 Ga at Pronto, Ontario, Canada Y. Nedachi Kagoshima Immaculate Heart...890, Japan G. Bennett Ontario Geol. Surv., Sault St. Marie, Ontario, Canada H. Ohrnoto Dept. of Geosciences...Park, PA 16803 USA The palaeosols at Pronto, Ontario, Canada, developed at ~2.45 Ga on an Archaean granite...atmospheric oxygen. The ambiguity of the data on the Pronto palaeosols was partly due to a possibility that...palaeosols, and overlying sedimentary rocks, at Pronto, and conducted a detailed mineralogical and geochemical |  | | Journal (article/letter/editorial) | | One that comes to the writer's mind is Ramdohr's "Pronto Reak- tion." Ramdohrobservedthis reaction,for...written, in uranium ore of the Pronto Mine of the Blind River District, Ontario. Here ilmenite has evidentlybeen...v. 51, p. 263-279. 3. Ramdohr, Paul, 1957, Die Pronto Reaktion: Neues Jahrbueh,Mineral. Monatsh.,p. 217-222...the low thorium contentarises from a failure of monazite to become concentratedbecause of the relatively...to be foundthe most extensivemineralization of monazite (7.6% ThO•, 0.20% U80,) ever seen in an ancient |  | | Journal (article/letter/editorial) | | Quartz-Pebble Conglomerates of the Elliot Lake Area, Canada, and the Pongola Basin, South Africa R. Saager...and brannerite grains from the Elliot Lake area, Canada, and the Pongola basin, South Africa, were identified...Quarz-Gerdll-Konglomeraten des Elliot Lake-Gebietes, Canada, und des Pongola-Beckens, Siiclafrika Im Untersuchungsmaterial...Untersuchungsmaterial, das aus dem Elliot Lake-Gebiet, Canada, und dem Pongola-Becken, Siidafrika, stammt, konnten...those of the Elliot Lake-Blind River area in Ontario, Canada, and the Witwatersrand basin in South Africa |  | | Journal (article/letter/editorial) | | Conglomeratesfrom the Quirke Ore Zone, Elliot Lake, Ontario ANDREW ROBINSON* AND EDWARD T. C. SPOONER Departmentof...Geology,Universityof Toronto,Toronto,OntarioM5S 1A1, Canada Abstract The uraninitegrainsin the Main zoneconglomerates...microcline,magnetite with ilmenitelamellaeon { 111}, monazite(ICe, La, Th]PO4),and zircon.In contrast,obser...the site of the Pronto mine, near Blind River area to the north of Lake Huron, Ontario, have River, by...the Huronian basinto the north of Lake Huron, Ontario. with much larger quantitiesrecoverableat lower |  | | Report (issue) | | GOVERN YOUR USE OF THIS DOCUMENT Your use of this Ontario Geological Survey document (the “Content”) is governed... copyright is held by the Queen’s Printer for Ontario. It is recommended that reference to the Content... . ; Ontario Geological Survey, ...670-5691 Toll Free: 1-888-415-9845, ext. 5691 (inside Canada, United States) Local: (705) 670-5691 Toll Free:...(inside Canada, United States) Local: (416) 326-2678 Toll Free: 1-800-668-9938 (inside Canada, United |  | Vennemann, T. W., Kesler, S. E., Frederickson, G. C., Minter, W. E. L., Heine, R. R. (1996) Oxygen isotope sedimentology of gold- and uranium-bearing Witwatersrand and Huronian Supergroup quartz-pebble conglomerates. Economic Geology, 91 (2) 322-342 doi:10.2113/gsecongeo.91.2.322 | Journal (article/letter/editorial) | | contacts. Pyriteeuin margins of pebbles. Lakearea,Canada, areU richwithnosignificant Au(Roscoe, hedracanalsobe...white mica,with minorcarbonate. includepyrite,monazite, zircon,andurani(subarkose andthin conglomerate)... 1986),withwell-rounded 2Production figures for mine,includes MainandMonarchreefs,West lymietie Rand...stratigraphic column of theHuronian Supergroup, Canada (adapted afterCard,1984;Robertson, 1986).Sample...samples WEL83,84,and85 (allfromlevel12with n = 34 mine coordinates in the Y = 10280-10285 Reefs Pebbles |  | Rantzsch, Ulrike, Gauert, Christoph D. K., Van der Westhuizen, Willem A., Duhamel, Isabelle, Cuney, Michel, Beukes, Gerhard J. (2011) Mineral chemical study of U-bearing minerals from the Dominion Reefs, South Africa. Mineralium Deposita, 46 (2) 187-196 doi:10.1007/s00126-010-0317-4 | Journal (article/letter/editorial) | | Ni–Co sulfarsenides, garnet, pyrite, pyrrhotite, monazite, zircon, chromite, magnetite and minor gold. Sub-rounded...and Upper Reef) were mined underground at Rietkuil Mine by Uranium One Africa Ltd from 2006 to 2008. The...a 700–800 m thick volcanosedimentary unit in the mine area (Fig. 2), underlies the Witwatersrand Supergroup...brannerite, ULeu U-bearing leucoxene, Cb cubanite, Mon monazite Miner Deposita (2011) 46:187–196 191 Table...Coffinite Pitchblende X Rutile Ilmenite Anatase Monazite Columbite Zircon Cassiterite Chromite Magnetite |  | | Report (issue) | | INTERNATIONAL ATOMIC ENERGY AGENCY AND HELD IN SASKATOON, CANADA, 1-3 SEPTEMBER 1987 A TECHNICAL DOCUMENT ISSUED...was held between 1-3 September 1987 in Saskatoon, Canada. The meeting took place in the University of Saskatchewan...with Department of Energy, Mines and Resources Canada. Thirtysix technical papers were presented to a...and deposits and their geological framework in Canada and the USA, with analogies from other parts of...Saskatchewan and Department of Energy, Mines and Resources Canada for hosting the meeting and making the excellent |  | | Book | | . . . . . . . . . . . . . . . . . . . . . . . Canada . . . . . . . . . . . . . . . . . . . . . . . ... > 1012(?) 6.15 X 10 10 6 X 10 14 Probably very long .--...,1021 1.72 X 107 } 7 X 10 10 2 X 10 15 (...sphene Pyrochlore-1nicrolite, euxenite-polycrru;e, monazite, xenotin1e, gadolinite, thalenite Brannerite,...Phosphuranyli te-renarcli te, beta-uranophane Renardite Monazite, cheralite, thorite, w·anophane, apatite, xenotime...minerals should be tested under both short- and long-wave ultraviolet. The short-wave range is 2,300 |  | | Journal (article/letter/editorial) | | conglomerate uranium deposit, Elliot Lake District, Canada Laura Bergen* and Mostafa Fayek Department... 125 Dysart Road, R3T 2N2, Winnipeg, Manitoba, Canada Abstract Uranium deposits older than about 2200...conglomerate uranium deposit of the Elliot Lake district, Canada, shows that the dominant uranium minerals...uranium deposit, modified placer, Elliot Lake, Ontario Introduction There are over 360 000 tonnes of...quartz-pebble conglomerate (paleo-placer) deposits in Canada and South Africa, with individual deposits ranging |  | | Journal (article/letter/editorial) | | cannot be caused by hydrothermal activity. Bulk mine samplesshow gross regional variation and the details...Figure 2 with relativelyblunt up-channelends,and long, fingeringdown1175 1176 DAVID S. ROBERTSON J...ASSAYS FROM SURFACE DRILL HOLE SAMPLES ALGOM-QUIRKE MINE Horizon Upper Conglomerate Main Conglomerate Lower...1959 1.91 0.88 0.30 front running normal to the long axis of the ore sheet. Successive monthsof mining...atSTANROCK Approximate URANIUM MINES- QUIRKE LAKE MINE limits of monthly mining shown by lines Fro. 6 |  | | Journal (article/letter/editorial) | | of an Archean granite near Ville Marie, Québec, Canada ALIREZA PANAHI,* GRANT M. YOUNG, and ROBERT H....Western Ontario, London, Ontario N6A 5B7 Canada 2 Geological Survey of Canada, Ottawa, Ontario, K1A 0E9...0E9 Canada (Received July 29, 1999; accepted in revised form November 12, 1999) Abstract—This paper presents...Henderson, 1983). The best-preserved paleosols in Canada are those associated with the sub-Huronian unconformities...differs from Algoman granites in the Pronto and Elliot Lake areas in Ontario (cf. Robertson, 1968). 2. METHOD |
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