 | | Journal (article/letter/editorial) | | 54' MARCH_APRIL' 1969 COALINGITE FROM THE MUSKOX INTRUSION, NORTHWEST TERRITORIES Ottoua,Ontario" Suney...in drill cores from the Muskox Intrusion, Northwest Territories. The Muskox coalingite contains more...mineral is trigonal, with o:3.1 A, c uncertain' Muskox coalingite is believed to have formed in si,tuaLrcom...of the Muskox fntrusion, a layered ultramafic body which outcrops in the Coppermine River area, Northwest...Preliminary descriptions of the geology of the Muskox Intrusion have been given by Smith (1962), and Smith |  | | Journal (article/letter/editorial) | | MAGNESIUM-FERRIC IRON OXIDE FROM THE MUSKOX INTRUSION, NORTHWEST TERRITORIES, CANADA SwrueyoJ Canaila,Ottawa. J...in small fractures in drill cores from the Muskox Intrusion, Northwest Territories. Chemical analysis...tota\21.55/). The product is a mixture of spinel, hematite, and periclase. Muskoxite is dark reddish brownl...INrnotucrrox The Muskox Intrusion is a layered ultramafic body which crops out in the Coppermine River area, Northwest...1963 three vertical holes were bored into the intrusion for scientific purposesand a total of 10,089feet |  | | Journal (article/letter/editorial) | | Mesoproterozoic stratigraphic successions of northern Canada R.H. Rainbird a,∗ , A.D. Rooney b , R.A. Creaser...Geological Survey of Canada, Natural Resources Canada, Ottawa, ON K1A 0E8, Canada Department of Earth... University of Alberta, Edmonton, AB, T6G 2E3, Canada a r t i c l e i n f o Article history: Received...Mesoproterozoic stratigraphic successions within northern Canada. Shale from the basal Escape Rapids Formation yields...northward-dipping section exposed along the Coppermine River, which drains Canada’s central-northern mainland |  | | Journal (article/letter/editorial) | | microprobe analysis failed to detect the presence of hematite except in very weathered surface specimens. Elongate...~t.jNO t Areas Outcrops of layered series Intrusion b o u n d a r i e s f r o m A e r o m a g n e...Norite is a large basic ultrabasic dyke-like intrusion, 180 km long and 0 . 5 - 2 . 5 km wide, striking...fractionation trends, similar to the Muskox intrusion [ 14]. The intrusion is undisturbed apart from minor...parallel to the steeply dipping margins of the intrusion. Thin sections were cut from most cores and surface |  | | Journal (article/letter/editorial) | | Easter I. volcanic complexes and on the Bushveld, Muskox, Kiglapait, Guadalupe, Duluth, Nain, Egersund,...from Mull, Skye, Ardnamurchan and the Skaergaard intrusion are all abnormally depleted in 0 is relative to...pyroxene. The later differentiates of the Muskox intrusion are markedly O~S-rich, but this is not a result...examples are turbid or cloudy, and may be filled with hematite dust. It is concluded that most such feldspar...Southern California batholith and in the Skaergaard intrusion, east Greenland, are relatively well understood |  | | Journal (article/letter/editorial) | | many ultramaficrocks,as for example,in the Middle River Range, British Columbia (Little, 1949), at Timmins...70 or% S (Table 1), as depictedin Figure 8. Hematite, on the otherhand,is only with certaintyknownto...certaintyknownto coexist with pyrite, and it seemslikely that hematite is incompatible with all phaseslying on the oxygenpoor...with the following additions: mg--magnetite, hm: hematite. enteringthe FeS phasesand magnetitewill influence...carbonate,chl = chlorite, dol = dolomite, hm -- hematite, hz = heazlewoodite,liz = lizardite, mg -- magnetite |  | | Journal (article/letter/editorial) | | Formation), nearly contemporary with, or followed by, intrusion of major alkaline igneous bodies, syenite and...Gardar diatremes in and around the Tugtut0q-Narssaq area and within the central Tugtut0q alkaline complex...Ilmenite volume magnetite size (~m) Sulphides Hematite volume Other observations (1) Lower group 1...1 0.4 2.0 0.7 34.3 1.3 4.4 5.4 3.0 Sulphides Hematite volume Other observations (2) Middle group 10...and is given by ]gn 6 = 1 (Mox - n) × area o f n/~ 6 = 1 area. V o l u m e s are given as percentages |  | Thorkelson, Derek J, Mortensen, James K, Davidson, Garry J, Creaser, Robert A, Perez, Waldo A, Abbott, J.Grant (2001) Early Mesoproterozoic intrusive breccias in Yukon, Canada: the role of hydrothermal systems in reconstructions of North America and Australia. Precambrian Research, 111 (1) 31-55 doi:10.1016/s0301-9268(01)00155-3 | Journal (article/letter/editorial) | | Early Mesoproterozoic intrusive breccias in Yukon, Canada: the role of hydrothermal systems in reconstructions...BC, Canada V5A 1S6 Earth and Ocean Sciences, Uni6ersity of British Columbia, Vancou6er, BC, Canada V6T...Edmonton, Alta., Canada, T6G 2E3 e Yukon Geology Program, Whitehorse, Yukon, Canada, Y1A 2C6 b Received...accepted 24 January 2000 Abstract In northern Yukon, Canada, numerous breccia zones of early Mesoproterozoic...they are characterized by disseminated specular hematite and local enrichment of Cu, Co, U and Au. The |  | | Journal (article/letter/editorial) | | Platinum-Group-Mineral Inclusions in Chromite from the Bird River Sill, Manitoba* W. Talkington**, D. H. Watkinson...Geology, Carleton University, Ottawa, Ontario, Canada K1S 5B6 Platinum-group minerals (PGM) have been...identified as inclusions in chromite from the Bird River Sill, Manitoba. The inclusions are small (< 20 microns)...08240, USA 1981; Newfoundland ophiolitic rocks, Canada, Watkinson and Talkington 1980; Talkington 1981)...here for PGM inclusions in chromite from the Bird River Sill, Manitoba (Trueman 1971) are part of an ongoing |  | Reid, K. D., Ansdell, K., Jiricka, D., Witt, G., Card, C. (2014) Regional Setting, Geology, and Paragenesis of the Centennial Unconformity-Related Uranium Deposit, Athabasca Basin, Saskatchewan, Canada. Economic Geology, 109 (3) 539-566 doi:10.2113/econgeo.109.3.539 | Journal (article/letter/editorial) | | Uranium Deposit, Athabasca Basin, Saskatchewan, Canada Kyle D. Reid,1,† Kevin Ansdell,1 Dan Jiricka,2...Saskatchewan, 114 Science Place, Saskatoon, SK, Canada S7N 5E2, 2 Cameco 3 Saskatchewan Corporation...Corporation, 2121-11th Street West, Saskatoon, SK, Canada S7M 1J3 Geological Survey, Ministry of the Economy, Government...Saskatchewan, 200-2101 Scarth Street, Regina, SK, Canada S4P 2H9 Abstract The Centennial unconformity-related...uncertain age. Virgin Schist Group rocks in the deposit area include phyllites, impure quartzite, and quartzite |  | | Journal (article/letter/editorial) | | different varieties of chromite ore present in the area are massive, banded and spotted, laminated and friable...chromitites and the associated ultramafic rocks of the area was made by Chatterjee and Banerjee (1964) and Banerjee...maximum thickness of one layer as measured in this area is 8 metres. Powdery or Friable Ore This is the...the metallurgical and chemical grade ore from this area. The ore is brown and consists of very loosely bonded...constituent of chromitites with a subordinate amount of hematite, goethite, serpentine and 259 Fig. 2. Thinly |  | | Journal (article/letter/editorial) | | igneous complexes, mostly in those of the layered intrusion-type. In addition, stratiform bodies of base metal...intrusions". Igneous complexes of the layered intrusion-type are - - because of their often formidable...accumulations in other layered intrusions (e. g., Muskox, Canada; Stfllwater, Montana; Bushveld, South Africa)...Quebec: KIL~URNet al., 1969), the Kambalda-Kalgoorlie area, Western Australia (McCALL, 1972), and the Empress...and dunites (el. Gonads, 1967). Dunites from the Muskox layered series yielded, for instance, Ni-values |  | | Journal (article/letter/editorial) | | Abstract. The chilled margins of the Michikaman, Muskox, Skaergaard, and Bushveld intrusions were experimentally...Methods Samples of the chilled margins of Michikamau, Muskox, Skaergaard, and Bushveld intrusions were remelted...technique (Eugster and Wones, 1962). Miehikamau Intrusion A drill core s a m p l e (EC66-21Ad, d o n a t...present in the chilled margin of the Michikamau intrusion at ~tmospherie pressure and various ]o~ -10 -8...Brown (196g). MX, sample SDC59-1050D from the Muskox intrusion 25 feet from contact supplied by T.N. Irvine |  | | Journal (article/letter/editorial) | | 3 Fe 2 O 3 + 3 H 2 . (h) olivine serpentine hematite Downloaded from http://petrology.oxfordjournals...conclude that the hydrogen fugacity associated with hematite is higher than that associated with magnetite...iron, kamacite awaruite taenite wustite magnetite hematite pyrrhotite pyrite pentlandite heazlewoodite millerite...fayalite-iron-quartz iron-magnetite fayalite-magnetite-quartz hematite-magnetite Downloaded from http://petrology.oxfordjournals...within the stabilityfieldof hematite rather than that of magnetite. The hematite-magnetite buffer curve, |  | | Journal (article/letter/editorial) | | Geoscience Studies, Carleton University, Ottawa, Canada Platinum-Group Minerals and Other Solid Inclusions...and olivine-rich peridotite a) ilmenite (with hematite exsolu tion) "tiny" round White et al. ( 1971)...plotted on Fig. 3. Laurite analyses from the Bird River Sill, Manitoba, Stillwater Complex, and Big Trout...examined, but they have been identified from the Bird River Sill. According to the classification of Harris...Montana, ~ Crystal Lake Gabbro, Ontario, 9 Bird River Sill, Manitoba, | Bushveld Complex, South Africa |  | | Journal (article/letter/editorial) | | . . . . Allanite from the Mount Wheeler 'White area, Pine County, N e v a d a( L e e ,B a s t r o m...Aragonite in the Franciscan rocks of the Pacheco Pass area, California (McKee) Argillaceousrocks, a scheme...with Lee, D. E, Allanite from the Mount Wheeler area. White Pine 1327 County,Nevada. .. Basumallick,...Fahey, J. J. Occurrence of stevensite in the Green River formation of Wyoming. Bravoite zoning, a statistical...1488 186,810 Campbell, F. A. Lazulite from Yukon, Canada 157 Carozzi,A. V. External characters of n'rinerals |  | | Report (Issue volume) | | GE and Economic Minerals of Canada PART A NUNC COCNOSCO EX PARTE THOMAS J. BATA LIBRARY TRENT UNIVERSITY...AND ECONOMIC MINERALS OF CANADA © Minister of Supply and Services Canada 1976 Available by mail from...Printing and Publishing Supply and Services Canada Ottawa, Canada K1A 0S9 or through your bookseller Catalogue...Catalogue No. M43-1/1976-1-7 Price: Canada: $8.00 ISBN 0-660-00553-0 Other countries: $9.60 Price subject..., Altona, Manitoba, Canada Contract No. OKX6-0236 GEOLOGICAL SURVEY OF CANADA ECONOMIC GEOLOGY REPORT |  | Kanellopoulos, Christos, Valsami-Jones, Eugenia, Voudouris, Panagiotis, Stouraiti, Christina, Moritz, Robert, Mavrogonatos, Constantinos, Mitropoulos, Panagiotis (2018) A New Occurrence of Terrestrial Native Iron in the Earth’s Surface: The Ilia Thermogenic Travertine Case, Northwestern Euboea, Greece. Geosciences, 8 (8) 287 doi:10.3390/geosciences8080287 | Journal (article/letter/editorial) | | thermogenic travertine deposit, located at Ilia area (Euboea Island, Greece). The deposit is forming...consideration all the available data concerning the study area, we propose two possible scenarios: (i) Ilia’s native...with oxygen forming Fe-oxide minerals, such as hematite (α-Fe2 O3 ) and magnetite (Fe3 O4 ) [13]. Iron...Kessel, Germany [20,21] and from the Khungtukun intrusion, Maimecha-Kotui magmatic province in northern...Additionally, native iron has been found in layered intrusion and ophiolitic rocks such as serpentinized dunites |  | | Journal (article/letter/editorial) | | Geology, Lakehead University, Thunder Bay, Ontario, Canada and H. ROY KROUSE Department of Physics, University...University of Calgary, Calgary, Alberta, Canada (Received 11 June 1974; accepted in revised form 15 April...carbonatite show an increase in 634S with sequence of intrusion of the carbonatite units; dolomitic carbonatite...silica-carbonatites (WATKINtions prevailing at the time of intrusion. the sulphur being SON. 1970; COIVWAV and TAYLOR...pyrrhotite-pyrite-magnetite and pyrite-magnetite-hematite on fs,-j02 or et al., 1969). We tentatively assign |  | Charlier, Bernard, Namur, Olivier, Malpas, Simon, de Marneffe, Cédric, Duchesne, Jean-Clair, Auwera, Jacqueline Vander, Bolle, Olivier (2010) Origin of the giant Allard Lake ilmenite ore deposit (Canada) by fractional crystallization, multiple magma pulses and mixing. Lithos, 117 (1) 119-134 doi:10.1016/j.lithos.2010.02.009 | Journal (article/letter/editorial) | | of the giant Allard Lake ilmenite ore deposit (Canada) by fractional crystallization, multiple magma...hemo-ilmenite. The main ore body is a funnel-shaped intrusion, measuring 1.03 × 1.10 km and 100–300 m-thick...67°W) was discovered in June 1946 in the Allard Lake area near a small lake named Lac Tio during the first...the Allard Lake deposit and the Grader layered intrusion and geochronological data. (1) van Breemen and...Charlier et al., 2007) and the Grader layered intrusion (Canada; Charlier et al., 2008) to explain the discrepancy |  | | Journal (article/letter/editorial) | | east of the River Nile (Fig. 1). Like many Precambrian exposures in North Africa, the area was intruded...1964). In Egypt, this orogeny culminated with the intrusion of K-rich granites in the period 574-595 Ma (Fullagar...have been recognized in the Archean shields of Canada (Macrae 1969; Pyke et al. 1973; Arndt 1977), South...similar sills and lavas in the Cape SmithWakeham Bay area of New Quebec (Miller 1978; Francis and Hynes 1979)...metasediments forms the oldest rock unit in the Dahanib area (Fig. 1). Gabbroic to ultramafic intrusions are |  | | Journal (article/letter/editorial) | | complexes. The latter plutons include the North Qoroq intrusion ( 1291 _61 Ma) yielding a pole position at 203°E...sites, d p / d m = 6 / 1 2 ° ), the Motzfeldt intrusion ( 1291 _+3lMa) yielding a pole position at 212°E...small-scale map shows the regional location of this area and the distribution of the major intrusive complexes...are scarce in the NE sector comprising this study area. The most prominent dykes here have a NE-SW to E...1154 +_9 Ma but are cut by the Ilimaussaq intrusion (the intrusion outcrop SW of the Erikf]ord Formation |  | | Journal (article/letter/editorial) | | age control is not precise. Further, the sampling area may have been rotated after the rock unit formed...premature to calculate pole positions for the intrusion. (d) A great circle representing apparent polar...studies [ 17-211. Keweenawan igneous activity in this area has been dated at 1100 my with a spread from 1000...1810 my Marathon dikes [28], the 1950-2060 my Wind River dikes, Wyoming [37] , and the Sudbury Nickel Irruptive...in fig. 5, agree well with the Marathon and Wind River dike poles. A pole for the Gunflint Iron Formation |  | Barkov, A. Y., Tarkian, M., Laajoki, K. V. O., Gehör, S. A. (1998) Primary platinum-bearing copper from the Lesnaya Varaka ultramafic alkaline complex, Kola Peninsula, northwestern Russia. Mineralogy and Petrology, 62 (1) 61-72 doi:10.1007/bf01173762 | Journal (article/letter/editorial) | | Peninsula, NW Russia) is a concentrically-zoned intrusion with a dominantly dunitic core (Fo85-92) surrounded...clinopyroxenites. The complex resembles an Alaskan-type intrusion, but differs in its strong alkaline affinity....Kola, NW Ru$1and) ist eine konzentrisch zonierte Intrusion 62 A.Y. Barkov et al. mit einem Dunitkem (Fo85-92)...Klinopyroxeniten. Der Komplex ~ihnelt einer Alaskan-Typ Intrusion, unterscheidet sich aber durch seine stark alkalische...in native copper from Devil's Island, Ontario, Canada. The Lesnaya Varaka native copper, containing low |  | | Journal (article/letter/editorial) | | Survey of Canada, Earth Sciences Sector, Natural Resources Canada, Québec City, Québec, Canada G1K 9A9...xenoliths and xenocrysts. OXIF underlying the intrusion contains ∼55–60% SiO2 and 27–45% FeO, whereas...whereas OXIF xenoliths in the feeder in the intrusion contain <25% SiO2 and >50% FeO, suggesting selective loss...N. 1975. Crystallization sequences in the Muskox intrusion and other layered intrusions—II. Origin of...Mines, Laurentian University, Sudbury, Ontario, Canada P3E 2C6 (hcarson@laurentian.ca) 102 Applied Earth |
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