 | | Journal (article/letter/editorial) | | volcanism ( -5.8 to -7*90/,). In contrast the interrift area encomp~~g Lakes Victoria, Malawi (Ny~a) and Chilwa...indicated. Except for the carbonatite of the Chadobet area and the beforsitic (dolomite bearing) dikes at Sengeri...with crater and diatreme studies in Africa and Canada. Where possible only fresh material was collected;...Rift system. Three carbonatites from the eastern, north-south trending belt were sampled: Sukulu Hill, Tororo...one of the satellite ring-dikes is not specified. North of these older, deepIy eroded complexes there is |  | | Book (edition) | | occurrences in the United States (nearly all localities), Canada, Germany, Norway, Sweden, Uganda, Tanganyika, Nyasaland...Description of Carbonatites of the World United States Canada Brazil Greenland, Europe, and the U.S.S.R. Africa...Geological Survey and H. von Eckermann (1948A) : Ontario Department of Mines and G. E. Parsons (1961)...Geological Survey and H. von Eckermann (1948A) : Ontario Department of Mines and G. E. Parsons (1961) :...Figure 12-9 : Ontario Department of Mines and G. E. Parsons (1961) Figure 12-10 : Ontario Department of |  | | 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...sedimentary rocks of Gordon Lake Formation, Highway 108; north of Elliot Lake. (Courtesy F. W. Chandler)...left: 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 |  | | Report (issue) | | GOVERN YOUR USE OF THIS DOCUMENT Your use of this Ontario Geological Survey document (the āContentā) is governed... copyright is held by the Queenās Printer for Ontario. It is recommended that reference to the Content...form: Ontario Geological Survey 2020. Summary of Field Work and Other Activities, 2020; Ontario Geological...gold database; in Summary of Field Work, 2020, Ontario Geological Survey, Open File Report 6370, p.10-1...670-5691 Toll-Free: 1-888-415-9845, ext. 5691 (inside Canada, United States) Pubsales.ndm@ontario.ca The Purchase |  | | Report (issue) | | ONTARIO DEPARTMENT OF MINES Hon. G. C. Wardrope, Minister D. P. Douglass, Deputy Minister J. E. Thomson...Geological Branch Pegmatite Mineral Resources of Ontario By D. F. HEWITT Industrial Mineral Report 21...Production in Ontario (Table 1). . . . . .. . . . ... Number of Pegmatite Deposits opened in Ontario (Table..... . . . .. . . . 9 Selling Crude Feldspar in Ontario. . . . . . . . . ... . . . . .. . . . . . . . ... . . ... 10 History of Feldspar Production in Ontario .. . . . . . ... . . . . .. . . . . . . . . . |  | | Journal (article/letter/editorial) | | Strange Lake; (10) Tanbreez; (11) Motzfeldt; (12) Seis Lagos; (13) Bayan Obo; (14) Nemegosenda; (15) Luesh;...Montviel Two Tom Strange Lake Tanbreez Motzfeldt Seis Lagos Bayan Obo Nemegosenda Luesh Bingo Ghurayyah...object proper, but from an analog located in the same area; 5 bd means baddeleyite; bi, biotite; Ń, cassiterite;...hosted in nepheline-sodalite syenites of the Thor Lake complex (Slave Craton). Interestingly, this is also...carbonatitic type, formed in the marginal part of the North China Craton (Zhang et al., 2017). Its complex ores |  | | Book | | Malawi Rhodesia Sierra Leone Tanzania Uganda Zambia Canada India Australia New Zealand Nepheline-Syenite...139 Brazil Paraguay Peru 139 140 China Korea (North) 141 141 Republic of Indonesia Turkey 142 References...1967. Illustrations PLATE I Nepheline-syenite Ontario PLATE II 1. Stjernoya nepheline-syenite with...Nepheline-syenite occurrences Quebec provinces, Canada page 66 Figure 7 Production flowsheet of glass...glass grade nephelinesyenite at Blue Mountain, Ontario page 73 Figure 8 Phonolite Germany page 84 |  | | Report (volume) | | -GEOL_OGIC .AL ,.,.. i ' I Bibliography of North American Geology, 1957 By RUTH REECE KING, VIRGINIA...___________ III 1 3 9 271 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1957 By RuTH REECE KING, VIRGINIA...appeared during 1957 concerning the geology of the North American continent, including Greenland, the West...in foreign journals are cited if they deal with North American localities or are of a general nature,...with foreign areas. Articles by foreign authors on North America are included regardless of place of publication; |  | | Journal (article/letter/editorial) | | high-grade gneisses of the Kapuskasing structural zone, Ontario: metamorphic fluids and uplift]erosion path Roberta...the 2.7 Ga Kapuskasing structural zone (KSZ), Ontario, were examined with petrographic, microthermometric...the Kapuskasing structural zone (KSZ), eastern Ontario (Fig. 1), were studied in an attempt to define...setting The KSZ extends from the northeast shore of Lake Superior to the southern end of James Bay, consisting...lower-grade Abitibi belt to the east (along the Ivanhoe Lake Fault zone) and grades into gneisses characteristic |  | Cordeiro, Pedro Filipe de Oliveira, Brod, JosĆ© Affonso, Palmieri, Matheus, de Oliveira, Claudinei Gouveia, Barbosa, Elisa Soares Rocha, Santos, Roberto Ventura, Gaspar, JosĆ© Carlos, Assis, Luis Carlos (2011) The CatalĆ£o I niobium deposit, central Brazil: Resources, geology and pyrochlore chemistry. Ore Geology Reviews, 41 (1) 112-121 doi:10.1016/j.oregeorev.2011.06.013 | Journal (article/letter/editorial) | | two plug-shaped orebodies named Mine II and East Area, respectively emplaced in carbonatite and phlogopitite...phoscorite-series rocks (nelsonite) that can be either apatite-rich (P2 unit) or magnetite-rich (P3 unit). Dolomite...and determined that pyrochlore occurs mostly in apatite- and magnetite-rich rocks that crosscut previous...thin dikes near the center of the complex (East Area and Mine II orebodies). The direct relationship...resource of 21.8 Mt at 1.22 wt.% Nb2O5 for the East Area orebody and 7.2 Mt at 1.23 wt.% Nb2O5 for the Mine |  | | Report (issue) | | Geological Survey of Canada Open File 5796 CARBONATITE OCCURRENCES OF THE WORLD: MAP AND DATABASE Alan...carbonatite localities. Geological Survey of Canada Open File 5796 CARBONATITE OCCURRENCES OF THE...5BD 2. Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario, Canada K1A 0E8 Recommended citation:...the World: Map and Database; Geological Survey of Canada, Open File 5796, 1 CD-ROM + 1 map. Open Files...Right of Canada 2008 Available from: Geological Survey of Canada 601 Booth Street Ottawa, Ontario K1A 0E8 |  | | Report (issue) | | IAEA-TECDOC-500 URANIUM RESOURCES AND GEOLOGY OF NORTH AMERICA PROCEEDINGS OF A TECHNICAL COMMITTEE MEETING...INTERNATIONAL ATOMIC ENERGY AGENCY AND HELD IN SASKATOON, CANADA, 1-3 SEPTEMBER 1987 A TECHNICAL DOCUMENT ISSUED...VIENNA, 1989 URANIUM RESOURCES AND GEOLOGY OF NORTH AMERICA IAEA, VIENNA, 1989 IAEA-TECDOC-500 ISSN...and Geology of North America was held between 1-3 September 1987 in Saskatoon, Canada. The meeting took...with Department of Energy, Mines and Resources Canada. Thirtysix technical papers were presented to a |  | | Journal (article/letter/editorial) | | syenites to the evident crustal weakness in the area, where several major faults intersect, a feature...with variable quantities of intercumulus biotite, apatite and opaque oxides. Crystal lamination in these...nepheline and pyroxene, with minor phases (notably apatite and zircon) exerting an important control on the...predominantly of calcite, with siderite, magnetite, apatite, sphalerite, pyrite and Sr-rich barite (Bedford...carbonatites. P205 reaches 3.64 wt.%, reflecting the high apatite content of some samples. MnO reaches 2.93 wt.% |  | | Book | | Part 1: North and South America Alkaline Rocks and Carbonatites of the World Part 1: North and South...Alkaline rocks and carbonatites of the world. Pt. 1, North and South America 1. Alkalic igneous rocks I. Title...................................... 4 NORTH AMERICA Canada...........................................exploration in particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for...style adopted for Currie's 'The Alkaline Rocks of Canada' (1976) and the descriptions of carbonatites compiled |  | Ackerman, LukĆ”Å”, Magna, TomĆ”Å”, Rapprich, Vladislav, Upadhyay, Dewashish, KrĆ”tkĆ½, OndÅej, ÄejkovĆ”, Bohuslava, Erban, VojtÄch, Kochergina, Yulia V., Hrstka, TomĆ”Å” (2017) Contrasting petrogenesis of spatially related carbonatites from Samalpatti and Sevattur, Tamil Nadu, India. Lithos, 284. 257-275 doi:10.1016/j.lithos.2017.03.029 | Journal (article/letter/editorial) | | Calc-silicate marbles present in the Samalpatti area could represent a CE P possible evolved end member...emphasise that, beside common carriers of REE like apatite, other phases may 2 ACCEPTED MANUSCRIPT be important...is in contrast to the carbonatite occurrences in north-western India associated with the TE D Deccan...low-metamorphic grade Peninsular Gneisses to the north and the AC granulite facies rocks of the Southern...carbonatite (beforsite, rauhaugite) and contain apatite, magnetite, Fe-rich phlogopite, olivine, aegirine |  | | Journal (article/letter/editorial) | | and Geophysical Sciences, University of Utah, Salt Lake City, Utah 84112 Mineralogy and Petrology of the...varieties, suggest the possible separation ogy of the area is given by Hunter (1925). of a discrete carbonate...of the intrusive body. The petrography and field area is based on the detailed mapping of Larsen relations...gradational in texture grammatic. Within most of the area of silicate and mineralogy with the surrounding...diopsidic augite with accessory perovskite, biotite, apatite, and titanomagnetite. The term pyroxenite encompasses |  | | Report (issue) | | formation,Palmer, Mich. 6. Ribbon asbestos ore, Quebec, Canada 7. Manganese ore, banded rhodochrosite 8. Aluminum...fluorite ore. Poncha Springs, Colo. 14. Tungsten ore, North Carolina 5 World Nonbauxite Aluminum Resources................................................. Canada................................................................................................ Canada................................................................................................ Canada............................................... |  | | Report (volume) | | Bibliography of North American Geology, 1950-1959 PART 2. INDEX VOLUME 3 : A-L GEOLOGICAL SURVEY BULLETIN...BULLETIN 1195 Bibliography of North American Geology, 1950-1959 By RUTH REECE KING, ELISABETH S.... 13. British Columbia ores, zoning: Geology in Canada: Hume, G. S., Gunning, H. G., 5. California, southern...L., 4. Gilbert H., 10. Colorado, South Silverton area: Expanding horizons: Lay, R. L.,L Geophysicist in..., 6. T. B., 2. Magmatic vs. metamorphic source North America, western, paleoof ores: Hawley, J. E., 11 |  | | Journal (issue) | | Interpretation of Reconnaissance GeoĀ chemical Survey in North Karamoja,- Uganda. By P. W. G. Brock, BASc, PhD...Investigation of the Brines and Evaporite Deposits of Lake Katwe, Western Uganda. By W. H. Morton, BSc, PhD...lnterpretati()n ofReconnaissance Geochemical Survey in North Karamoja, Uganda Fig. 1 Fig. Fig. Fig. Fig. Fig...geophysical survey Bobong Prospect. Line 800 ft north Geophysical survey page 79 Bobong Prospect. Section...content of stream sediments in part of north-eastern Kigezi . District . . . . . . . ,, '' 90 Beryllium content |  | | Report (volume) | | Bibliography of North American Geology, 1950-1959 By RUTH REECE KING, ELISABETH S. LOUD, MILDRED CHALLMAN...GEORGIANNA D. CONANT INTRODUCTION This bibliography of North American geology lists publications that appeared...(including Alaska and Hawaii), the rest of the North American continent including Greenland, the West...in foreign journals are cited if they deal with North American localities or are of a general nature,...not if they deal with foreign areas. Articles on North America by foreign' authors are included regardless |  | | Journal (issue) | | Glasgow, Hull, Liverpool> Newcastle, Belgium, France, Canada, Germany, Holland, Italy, Sweden, Switzerland,...laboratories for producing rock sections up to 1Ā¼q x l" area. This wiit employs a diamond impregnated cutting...Part 2General Features; Structural Analysis of the Area; S1Jmmary and Conclusions. By L. E. Weiss, B.Sc... Gneiss ā¢ 1. Transverse Profile of the Turoka Area ā¢ ā¢ ā¢ 2. Coulisse Profiles ā¢ ā¢ ā¢ ā¢ ā¢ ā¢...Fig. 16 Map of Kenya showing Position of Turoka Area Fig. 17 Fig. 18 Macroscopic Structures from the |
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