 | | Journal (article/letter/editorial) | | origin of marginal rocks from the Muskox layered intrusion (Nunavut, Canada) and implications for the evolution...Columbia, Vancouver, B.C., V6T 1Z4, Canada Anglo American Exploration (Canada) Ltd., 800-700 West Pender Street...Street, Vancouver, B.C., V6C 1G8, Canada a r t i c l e i n f o Article history: Received 19 May 2008...isotopes U–Pb geochronology Muskox intrusion Marginal zone Coppermine River flood basalts Mackenzie large...province a b s t r a c t The Muskox mafic–ultramafic layered intrusion, Nunavut, is part of the widespread |  | | Journal (article/letter/editorial) | | T6G 2E3, Canada Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A 0E8, Canada a r t i...isotopes Mackenzie large igneous province Coppermine River Assimilation and fractional crystallization...c t The 1.27 Ga Coppermine continental flood basalt (CFB) province in northern Canada represents the extrusive...includes the Mackenzie dyke swarm and the Muskox layered intrusion. New Re–Os isotope and highly siderophile...wt.% MgO) in the lowermost stratigraphy of the Coppermine CFB. Compositions of mineral phases in CM19 are |  | | Journal (article/letter/editorial) | | Netherlands 38 [2] Mackenzie igneous events, Canada: Middle Proterozoic hotspot magmatism associated...Geoscience Branch, Geological Survey of Canada, Ottawa, Ont. K1A OE4 (Canada) 2 Department of Geology, Royal...Royal Ontario Museum, Toronto, Ont. M5S 2C6 (Canada) Received June 4, 1989; revised version accepted September...1989 U-Pb ages have been obtained for the Muskox intrusion and the Mackenzie dyke swarm. The age of a...a pyroxenite from the layered series of the intrusion is 1270 +_ 4 Ma. Baddeleyite fractions from four |  | Schwab, Danette L, Thorkelson, Derek J, Mortensen, James K, Creaser, Robert A, Abbott, J.Grant (2004) The Bear River dykes (1265–1269 Ma): westward continuation of the Mackenzie dyke swarm into Yukon, Canada. Precambrian Research, 133 (3) 175-186 doi:10.1016/j.precamres.2004.04.004 | Journal (article/letter/editorial) | | Precambrian Research 133 (2004) 175–186 The Bear River dykes (1265–1269 Ma): westward continuation of the...the Mackenzie dyke swarm into Yukon, Canada Danette L. Schwab a,∗ , Derek J. Thorkelson a , James K....Sciences, Simon Fraser University, Burnaby, BC, Canada V5A 1S6 Department of Earth and Ocean Sciences...University of British Columbia, Vancouver, BC, Canada V6T 2B4 c Department of Earth and Atmospheric Sciences...Edmonton, Alta., Canada, T6G 2E3 d Yukon Geology Program, Whitehorse, Yukon, Canada Y1A 2C6 b Received |  | | Journal (article/letter/editorial) | | NorthernIreland Crystallization sequences in the Muskox intrusion and other layered intrusions-II. Origin of...occasions when the basic parental magma of the intrusion is suddenly extensively contaminated with granitic...differentiation patterns of Cr and Wi in the Muskox intrusion. The granitic melt is produced because most...most of the crystals formed in the intrusion accumulate on its floor, leaving the roof rocks to be continuously...density and high viscosity. granophyre. In the Muskox intrusion there are two chromite-rich layers, each occurring |  | Hou, Guiting, Santosh, M., Qian, Xianglin, Lister, Gordon S., Li, Jianghai (2008) Tectonic constraints on 1.3~1.2 Ga final breakup of Columbia supercontinent from a giant radiating dyke swarm. Gondwana Research, 14 (3) 561-566 doi:10.1016/j.gr.2008.03.005 | Journal (article/letter/editorial) | | Mesoproterozoic mantle plume is placed at the focal area of the giant radiating dyke swarm between North...the Mackenzie dyke swarm, which extends over an area of 2.7 M km2 and dramatically fans over an arc angle...angle of about 100° from a point in northwestern Canada (Fig. 1) (Ernst and Buchan, 2001). Thick accumulations...basalts (e.g., the Coppermine Lavas) and large layered mafic/ultramafic Muskox intrusion are developed near...dyke swarm, coeval flood basalts and layered intrusion constitute the Late Mesoproterozoic Large Igneous |  | | 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...Southern California batholith and in the Skaergaard intrusion, east Greenland, are relatively well understood...Whole rock 6.8 • 0.2 (2) Clear Lake volcanic area, Lower Lake quadrangle, Cali/ornia. (See A~DERSO~ |  | | Journal (article/letter/editorial) | | presented for the Sudbury and Mackenzie dolerites of Canada and for dolerites and lamprophyres from southwest...six mineral isochrons or errorchrons, ten Rb-Sr biotite ages from dolerites, and determinations by other...between 1290 and 1155 m.y., although the Rb-Sr biotite ages are all grouped in the 1250-1210 m.y. range...the dolerites define tight clusters for each of Canada/Greenland and Fennoscandia. Superimposition of...reconstruction in which Fennoscandia may have adjoined Canada/Greenland at 1260-1190 m.y., but in an orientation |  | Djon, Lionnel M., Miller, James D., Olivo, Gema R., Peck, Dave C. (2017) Petrogenesis of Cyclic Units In the Northern Ultramafic Center of the Lac Des Iles Complex, Ontario, Canada. The Canadian Mineralogist, 55 (2) 349-374 doi:10.3749/canmin.1600063 | Journal (article/letter/editorial) | | ULTRAMAFIC CENTER OF THE LAC DES ILES COMPLEX, ONTARIO, CANADA LIONNEL M. DJON§ Queen’s University, Department...Geological Engineering, Kingston, Ontario K7L 3N6, Canada JAMES D. MILLER Department of Earth and Environmental...Geological Engineering, Kingston, Ontario K7L 3N6, Canada DAVE C. PECK North American Palladium Ltd, 10th...10th Avenue, Thunder Bay, Ontario P7B 2R2, Canada ABSTRACT Lithologic, mineralogical, and geochemical...Lac des Iles Complex, ultramafic rocks, layered intrusion, Superior Province. § Corresponding author e-mail |  | | Journal (article/letter/editorial) | | through the Lower, Critical and Main Zones of the intrusion at Union Section, north-western Bushveld Complex...larger crustal component in the upper part of the intrusion. In contrast, the concentrations of many highly...largest layered ma®c±ultrama®c intrusion, with a subsurface outcrop area of 60,000 km2. It is also the...clinopyroxene in the ultrama®c portions of the intrusion has been linked to the assimilation of siliceous...of the Upper Critical Zone may represent the intrusion and in-mixing of magmas whose compositions fell |  | | Journal (article/letter/editorial) | | Alberta, 1-26 Earth Sciences Building, Edmonton, AB, Canada, T6G 2E3 Received 30 November 2001; accepted 26...Bear Magmatic Zone, Canada), the 1109 Ma Moore Lakes gabbro (Churchill Province, Canada), the 1269 Ma Muskox...Muskox intrusion (Slave Craton, Canada), the 2060 Ma Phalaborwa carbonatite (S. Africa), and the 2410 Ma...igneous complex (S. Africa) Muskox intrusion (Slave craton) Moore Lakes intrusion (Churchill Province) Faber...the Faber Lake gabbro, a NE-striking sheet-like intrusion in the Great Bear magmatic zone, N.W.T. (GFA92-567) |  | | Journal (article/letter/editorial) | | from the Midcontinent Rift-Related Echo Lake Intrusion in Northern Michigan, USA Alexander James Koerber... Abstract: The Echo Lake intrusion in the Upper Peninsula (UP) of Michigan, USA,...Troctolite is the predominant rock unit in the intrusion, with interlayered bands of peridotite, mafic...and studied [3,8,9], which include the Partridge River and South Kawishiwi intrusions, emplaced between...% Ni; 0.27–0.66 wt. % Cu [9]. The Sonju Lake intrusion in the Beaver Bay Complex in northeastern Minnesota |  | | Journal (article/letter/editorial) | | Zealand garnet pcridotite Muskox NWT Canltda serpentinite Muakox NWT Canada pyroxenite Kola Peninsula...PCC-l-1 Muskox NWT Canada serpentinized dunito 0.7911 8.475 0.7864 1.33 PCC-l-2 Muskox NWT Canada...accumulation from mafic magmas followed by mechanical intrusion is unlikely. An alternative suggestion of HESS...04’063. Assuming an age of 2700 m.y. for this intrusion, the calculated initial Sr87~S~ ratio is 0*?029...that the Monchegora pluton is a Iayered basic intrusion. Guumo et ad. (1962) however, have concluded that |  | | Journal (article/letter/editorial) | | Processes in Mafic Magma Chambers: I. The Kiglapait Intrusion, Labrador by DONALD J. DEPAOLO Department of...cumulate rocks and minerals of the Kiglapait intrusion are pertinent as indicators of the processes that...indicates that the crystallization age of the intrusion is 1305 ±22 million years. The initial em values...The assimilation efficiency of the Kiglapait intrusion is not tightly constrained, but appears to be...igneous intrusions, including the Skaergaard intrusion (Wager & Deer, 1939; Wager, 1960, 1963;McBirney |  | | Journal (article/letter/editorial) | | Carboniferous Limestone " massif " in the Pin Dale area (Derbyshire) ; the Coal Measures of the south-east...LACHANCE, and R. Y. H. RIMSAITE. Geological Survey of Canada Paper 64-17 (Part I), Ottawa, 1965. Price 75 cents...63-146 is a biotite from Quebec giving an age of 3,300 m.y. Although interpreted as a biotite to which argon...first record of metamorphic activity of this age in Canada. This report series is highly recommended as a...invaluable primary radiometric data. A. G. S. THE MUSKOX DRILLING PROJECT (Canadian Contribution to the |  | | Book | | A. T. N. IRVINE, Geological Survey of Canada, Ottawa, Canada E. D. JACKSON, U.S. Geological Survey,...S.A. C. H. SMITH, Geological Survey of Canada, Ottawa, Canada Contributors vi H. SORENSEN, Universitetets...Bhattacharji, Geological Survey of Canada, and the National Research Council of Canada. T. N. Irvine: J. A. Noble...The ultramafic rocks of the Muskox intrusion, Northwest Territories, Canada By T. N. Irvine and C. H. Smrru...dunite Structures in the dunite Serpentinization Intrusion of the dunite mass > QAmMOOW Conclusions 160 |  | | Journal (article/letter/editorial) | | 63-146 is a biotite from Quebec giving an age of 3,300 m.y. Although interpreted as a biotite to which argon...first record of metamorphic activity of this age in Canada. This report series is highly recommended as a...invaluable primary radiometric data. A. G. S. THE MUSKOX DRILLING PROJECT (Canadian Contribution to the...Geological Survey of Canada Paper 64-44. Ottawa, 1965. Price 75 cents. The Muskox Drilling Project is...geophysical investigation of the Muskox intrusion. This basic/ultrabasic intrusion is " dyke-like in plan and |  | 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...dioritic to syenitic rocks of the Bonnet Plume River intrusions. In the central parts of the breccia |  | Fan, Hong-Peng, Zhu, Wei-Guang, Li, Zheng-Xiang, Zhong, Hong, Bai, Zhong-Jie, He, De-Feng, Chen, Cai-Jie, Cao, Chong-Yong (2013) Ca. 1.5Ga mafic magmatism in South China during the break-up of the supercontinent Nuna/Columbia: The Zhuqing Fe–Ti–V oxide ore-bearing mafic intrusions in western Yangtze Block. Lithos, 168. 85-98 doi:10.1016/j.lithos.2013.02.004 | Journal (article/letter/editorial) | | February 2013 Keywords: Mesoproterozoic Mafic intrusion Zircon and baddeleyite geochronology Yangtze Block... 1. a) Simplified tectonic map showing the study area in relation to South China's major tectonic units...Heishan Formation of the Huili Group in the Tong'an area, southwestern China (Fig. 1b). However, neither...between them (Li et al., 2007) (Fig. 1a). The Kangdian area (Fig. 1b) is located near the western margin of...(Fig. 1a). The oldest supracrustal rocks in this area are the late Paleo- to Mesoproterozoic meta-volcanic |  | | Report (issue) | | Equal-area lower hemisphere plots of structural data in Union Bay area ———————————————— Equal-area lower...—— Equal-area lower hemisphere plots of structural data in metaturbidites in Kane Peak area —————— Equal-area...Equal-area lower hemisphere plots of olivine X, Y, and Z axes in ultramafic complex in Kane Peak area———...Blashke Islands ————————————————————————— Equal-area lower hemisphere plots of olivine X, Y, and Z axes............................................. 8. Biotite............................................... |  | 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) | | differences between minerals in the Kiglapait layered intrusion by LA-ICP-MS Anaïs Fourny, James S. Scoates,...differences between minerals in the Kiglapait layered intrusion by LA-ICP-MS, Chemical Geology (2018), https://doi...differences between minerals in the Kiglapait layered intrusion by LA-ICP-MS Pacific Centre for Isotopic and...Nuclear Laboratories, Chalk River, ON, Canada lP 2 re V6T1Z4, Canada ur na For: Chemical Geology...in cumulates of the Kiglapait intrusion, the largest troctolitic intrusion of the Proterozoic Nain Plutonic |  | Sandeman, Hamish A., Heaman, Larry M., LeCheminant, Anthony N. (2013) The Paleoproterozoic Kaminak dykes, Hearne craton, western Churchill Province, Nunavut, Canada: Preliminary constraints on their age and petrogenesis. Precambrian Research, 232. 119-139 doi:10.1016/j.precamres.2012.06.002 | Journal (article/letter/editorial) | | Hearne craton, western Churchill Province, Nunavut, Canada: Preliminary constraints on their age and petrogenesis...Resources, P.O. Box 8700, St. John’s, NL, A1B 4J6, Canada Department of Earth and Atmospheric Sciences, University... Alberta, T6G 2E3, Canada 5592 Van Vliet Road, Manotick, Ontario, K4M 1J4, Canada a r t i c l e i n...Hearne craton of the western Churchill Province, Canada, are components of a Neoarchean–Paleoproterozoic...continental flood basalt volcanism (e.g., Columbia River, Deccan, Paraná, Karoo, Siberian trap, Central Atlantic |  | | Journal (issue) | | . . . . . . . 5 Geological chronology of the area. . . . . . . . . . . . . . . . . . . . . . . . ...preliminary account of the geology of a moun. tainous area covering nearly 400 sq. km immediately north of...topographic maps were only available for part of the area. A description of field relationships is given here...LARSEN constructed 1: 40,000 topographic maps of the area from aerial photographs and the final geological...with D. BRIDGWATER. Previous geological work in the area had been mainly limited to the immediate vicinity |  | | Journal (article/letter/editorial) | | Geoscience Studies, Carleton University, Ottawa, Canada Platinum-Group Minerals and Other Solid Inclusions...pargasite (2) Na-mica (or clays) (3) chlorite (4)" biotite (5) olivine (6) clinopyroxene (7) orthopyroxene...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 |
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