 | | 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) | | 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...from the layered series of the intrusion is 1270 +_ 4 Ma. Baddeleyite fractions from four widely-spaced |  | 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) | | 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 |  | 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) | | the metallogenic potential of Proterozoic LIPs of Canada Simon M. Jowitt a,⁎, Richard E. Ernst b a b School...Ontario, Canada K1S 5B6, and Ernst Geosciences, 43 Margrave Avenue, Ottawa, Ontario, Canada K1T 3Y2 ...Proterozoic Large Igneous Provinces (LIPs) within Canada has been studied to determine the Ni–Cu–PGE prospectivity...associated with the coeval and mineralised Dovyren intrusion in southern Siberia (in a Rodinia reconstruction);...Franklin-related Ni–Cu–PGE prospects are known within northern Canada. The mineralised LIPs are characterised by basalts |  | | Journal (article/letter/editorial) | | com/locate/chemgeo Feasibility of chemical U–Th–total Pb baddeleyite dating by electron microprobe Jason E. French...Alberta, 1-26 Earth Sciences Building, Edmonton, AB, Canada, T6G 2E3 Received 30 November 2001; accepted 26...(EM) chemical dating technique to the mineral baddeleyite (ZrO2), an accessory phase commonly used to determine...rocks in conventional isotopic U – Pb studies. Baddeleyite is well suited for EM chemical dating because...dilution U – Pb ages are presented for five baddeleyite reference samples, including the 780 Ma Faber |  | | Journal (article/letter/editorial) | | Territories Geoscience Office, Box 1500, Yellowknife, NT, Canada X1A 2R3 Department of Earth Sciences, Carleton...University, 1125 Colonel By Drive, Ottawa, ON, Canada K1S 5B6 c Yale University, 210 Whitney Avenue,...of sills, dykes and lavas distributed over a vast area extending from Wyoming in the south to the Wopmay...Orogen and the Mackenzie Mountains of Northwest Canada. Thick (≤100 m) sills and rare dykes in Wopmay...basis of similar and overlapping precise U–Pb baddeleyite ages (Heaman et al., 1992; Heaman and LeCheminant |  | 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...Kaminak dykes Low-TiO2 continental tholeiites U–Pb baddeleyite geochronology Lithogeochemistry Nd isotopes Petrogenesis...Hearne craton of the western Churchill Province, Canada, are components of a Neoarchean–Paleoproterozoic |  | 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) | | 2013 Keywords: Mesoproterozoic Mafic intrusion Zircon and baddeleyite geochronology Yangtze Block Supercontinent...Secondary ion mass spectroscopy (SIMS) zircon and baddeleyite U–Pb ages, elemental, and Nd isotopic data are...(zircon U–Pb), 1486 ± 3 Ma (baddeleyite U–Pb) and 1490 ± 4 Ma (baddeleyite U–Pb). The intrusions are dominantly... 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 |  | | Journal (article/letter/editorial) | | 111, pp. 771–782 HIGH-PRECISION U-Pb ZIRCON-BADDELEYITE DATING OF THE J-M REEF PLATINUM GROUP ELEMENT...Columbia, 2270 Main Mall, Vancouver, BC V6T-1Z4, Canada Abstract The Stillwater Complex, Montana (USA)...element (PGE) deposit. In this study, zircon and baddeleyite were successfully extracted from three mineralized...28 ± 0.32 Ma), and West Fork area (2709.00 ± 0.45 Ma). A U-Pb baddeleyite date from the Frog Pond adit...the results illustrate that the J-M Reef is an intrusion-wide time marker that formed at ca. 2709 Ma during |  | 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 |  | | Journal (article/letter/editorial) | | hornblende 4°Ar-39Ar ages for the Dufek layered marie intrusion, Antarctica: Implications for the age of the Ferrar...the Dufek intrusion establish the crystallization age for the only layered mafic intrusion (sensu stricto)...interpret as the crystallization age for the Dufek intrusion. Concordant zircon fractions from a silicic dike...within analytical errors, with recent zircon and baddeleyite U-Pb ages for dolerite sills in both the Ferrar...activity occurred. Contemporaneity between the Dufek intrusion and other Ferrar Group rocks supports the possibility |  | | Journal (article/letter/editorial) | | Geology, Royal Ontario Museum, Toronto, Ont. M5S 2C6, Canada h Institute of Precambrian Geology and Geochronology...outpouring of voluminous flood basalts. U-Pb zircon/baddeleyite ages have been determined for seven layered mafic...Peninsula includes the 2501.5+ 1.7 Ma Pana tundra intrusion, the 2504.4+ 1.5 Ma Monche pluton and the 2505...2505.1 __+1.6 Ma General'skaya mountain intrusion. The temporal and spatial distribution of the 2.50-2.44...Universityof Alberta, Edmonton, Alta. T6G 2E3, Canada. 0301-9268/95/$09.50 © 1995 Elsevier ScienceB.V |  | Jourdan, F., Féraud, G., Bertrand, H., Kampunzu, A.B., Tshoso, G., Le Gall, B., Tiercelin, J.J., Capiez, P. (2004) The Karoo triple junction questioned: evidence from Jurassic and Proterozoic 40Ar/39Ar ages and geochemistry of the giant Okavango dyke swarm (Botswana)☆. Earth and Planetary Science Letters, 222 (3) 989-1006 doi:10.1016/j.epsl.2004.03.017 | Journal (article/letter/editorial) | | Okavango dyke swarm (this study); ORDS: Olifants River dyke swarm (undated; intruding basement); SBDS:...excellent along major rivers such as the Shashe River near Francistown [4], which provides the opportunity...2. (a) The 100-km-long section along the Shashe River, with location of step-heating dated dykes and sills...homogeneously distributed along the whole Shashe River section. 992 F. Jourdan et al. / Earth and Planetary...dykes and two sills are exposed along the Shashe River and one dyke and one sill are from the Tuli Basin |  | | 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) | | enriched lithosphere beneath the Ungava Peninsula, Canada Charles Maurice a,∗ , Jean David b , Jonathan O’Neil...Val d’Or, QC, Canada J9P 3L4 GEOTOP, CP 8888, Succ. Centre-Ville, Montréal, QC, Canada H3C 3P8 Earth...University, 3450 University St., Montréal, QC, Canada H3A 2A7 a r t i c l e i n f o Article history:...the evolution of the lithospheric mantle. Five baddeleyite U–Pb isotopic analyses of Paleoproterozoic mafic...500 Ma. The similar age, composition and surface area of two 2.51 Ga swarms, along with the lack of coeval |  | | Journal (article/letter/editorial) | | Amsterdam 95 Paragenesis and U-Pb systematics of baddeleyite (Zr02) 1 L.M. Heaman a and A.N. LeCheminantb... MSS 2C6, Canada bGeological Survey of Canada, 601 Booth St., Ottawa, Ont. K1A OE8, Canada (Received...accepted January 4, 1993 ) ABSTRACT The mineral baddeleyite (ZrO2) occurs in many terrestrial and lunar samples...amphibole and a small amount of quartz. In addition, baddeleyite occurs in tektites as a dissociation product...zircon megacrysts recovered from kimberlites. Baddeleyite is a major carrier of Hf, Ti, Fe and U and strongly |  | Chayka, Ivan F., Kamenetsky, Vadim S., Zhitova, Liudmila M., Izokh, Andrey E., Tolstykh, Nadezhda D., Abersteiner, Adam, Lobastov, Boris M., Yakich, Tamara Yu. (2020) Hybrid Nature of the Platinum Group Element Chromite-Rich Rocks of the Norilsk 1 Intrusion: Genetic Constraints from Cr Spinel and Spinel-Hosted Multiphase Inclusions. Economic Geology, 115 (6). 1321-1342 doi:10.5382/econgeo.4745 | Journal (article/letter/editorial) | | Element Chromite-Rich Rocks of the Norilsk 1 Intrusion: Genetic Constraints from Cr Spinel and Spinel-Hosted...Tomsk 634050, Russia Abstract The Norilsk 1 intrusion (Russia), renowned for its abundance of sulfide...are unusual for other rocks of the Norilsk 1 intrusion. The compositions of Cr spinel vary significantly...along with minor felsic glass, sulfide, apatite, baddeleyite, titanite, calcite, halite, and cordierite. Heating...chromite-rich, sulfide-poor rocks of the Norilsk 1 intrusion. We present evidence for a hybrid origin for the |  | | Book | | conference proceedings. It covers the entire research area of geology including, but not limited to, economic...the layered intrusions scene is the Panzhihua intrusion (SW China) that has been intensively studied recently...of Major Layered Intrusions 10 The Panzhihua Intrusion, SW China ����������������������������������������������������...435 11 The Sept Iles Intrusive Suite, Quebec, Canada ������������������������������������ Olivier...���� R. Grant Cawthorn 517 13 Kiglapait Intrusion, Labrador ���������������������������������� |  | | Report (chapter) | | Indonesia, and from Alaska via the Cordillera of Canada and the USA to Mexico. These two types are just...(Circum-Superior Province, 1.96Ga; Coppermine River, northern Canada, 1.27Ga; the Mid-Continent Rift, USA...In the formation of these provinces an aggregate area of new crust up to 1500kin wide and 5000kin long...of the Flin Flon Belt and the Reindeer Zone in Canada is a tectonically dismembered collection of accreted...island arc. The Early Proterozoic Ungava Orogen in Canada is well known for the 2.00Ga Portuniq Ophiotite |  | 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) | | Unconformity-Related Uranium Deposits: Kiggavik Project (Nunavut, Canada) David Quirt 1, *,† 1 2 * † and Antonio Benedicto... University of Manitoba, Winnipeg, MB R3T 2N2, Canada Département de Sciences de la Terre, Université...blquirt@gmail.com Formerly with Orano Canada Inc., Saskatoon, SK S7L 5X2, Canada. Received: 30 April 2020; Accepted:...deposits in the Kiggavik project area (west of Baker Lake, NU, Canada) are basement-hosted, contain several...Thelon region (ca. 80 km west of Baker Lake, NU, Canada; Figure 1) are not sandstone-hosted; rather, they |  | | Journal (article/letter/editorial) | | cited as evidence of plumes [6,8] are located in Canada, Greenland, and Scotland, which constitute the...association with the high MgO Coppermine River flood basalts and the Muskox intrusion, both found close to the...Newall, N. Rast (Eds.), Mechanism of Igneous Intrusion, Seel House Press, Liverpool, 1970, pp. 79 – 92...LeCheminant, L.M. Heaman, Mackenzie igneous events, Canada: middle Proterozoic hotspot magmatism associated...U–Pb baddeleyite ages for the Scourie dyke swarm, Scotland; evidence for two distinct intrusion events |  | | 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...e. bornite. chalco+ 634~ - 6’4s chondrodite, baddeleyite. spinel. pyrite, olivine, ilmenite. Vt:KwoetU~...silica-carbonatites (WATKINtions prevailing at the time of intrusion. the sulphur being SON. 1970; COIVWAV and TAYLOR |
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