 | | 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 UāPb geochronology Muskox intrusion Marginal zone Coppermine River ļ¬ood basalts Mackenzie large...province a b s t r a c t The Muskox maļ¬cāultramaļ¬c 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...a pyroxenite from the layered series of the intrusion is 1270 +_ 4 Ma. Baddeleyite fractions from four |  | | 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 ļ¬ood basalt (CFB) province in northern Canada represents the extrusive...includes the Mackenzie dyke swarm and the Muskox layered intrusion. New ReāOs 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) | | MAY_JUNE 1965 MACKINAWITE AND VALLERIITE IN THE MUSKOX INTRUSION .q.No R. N. Dnr.-,lnro, J. A. Cn,rulERLArN...central la)rered series ol the Muskox intrusion, Northwest Territories, Canada New electron probe measurementsand...sulfidesand related minerals in the Muskox ultramafic intrusion (Chamberlain, in preparation). Mackinawite...on the occurrenceof the two mineralsin the Muskox intrusion which appearsto shed light on their mode of...mackinawite. Hrsronv The Muskox intrusion was discoveredin the CoppermineRiver area of northern Canadain |  | | Journal (article/letter/editorial) | | andGold in the MuskoxLayered Intrusion, NorthwestTerritories, Canada SARAH-JANE BARNES Sciences de la...a mantleplume centeredsome400 km north of the intrusion. Nickel-coppersulfidesoccurat the marginsof the...rocks to the south, east, and west of the Muskox intrusion are paragneissesand orthogneissesof the 1900...proto-ocean(Rossand Kearns, 1989) that accovering the whole Muskox intrusion, but no detailed companiedthe emplacementof...studyreportsindividualanalysesfor Ni, Cu, S, Pb, mine River flood basaltsdated at 1267 ___ 2 Ma (U/Pb on Au |  | | Journal (article/letter/editorial) | | Columbia, 2020-2207 Main Mall, Vancouver, BC V6T-1Z4, Canada 2STEM Fellowship Internship Program, University...University of British Columbia, Vancouver, BC V6T-1Z4, Canada Abstract We present the first systematic characterization...ore deposits, where it typically coexists with chalcopyrite (CuFeS2) and pentlandite ([Fe,Ni]9S8), and may...isotopically light Fe (Schuessler et al., 2007) and chalcopyrite incorporating relatively isotopically heavier...semimassive sulfide samples of nine Ni deposits from Canada, Russia, and Spain (Fig. 3; Table 1; photographs |  | | 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 |  | | Journal (article/letter/editorial) | | less commonly as regular oriented lamellae in chalcopyrite and rarely in cubanite. The textural evidence...represent an exsolution product of pentlandite, chalcopyrite and cubanite. INrnonucrroN The iron sulphide...describedby- Kouvo et al (1963) and from the Muskox intrusion in Canada by Chamberlain and Delabio (1965). During...properties given for the same mineral from the Muskox intrusion by Chamberlain and Delabio (1965). The mineral...Outokumpu mine (Kouvo et al, 1963) and from the Muskox intrusion (Chamberlain and Delabio, 1965)indicate that |  | | Journal (article/letter/editorial) | | ~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...pyrite and chalcopyrite occur in zones parallel to the steeply dipping margins of the intrusion. Thin sections...Rubidium/strontium isotopic studies in the Kalgoorlie-Norseman area, Western Australia. Unpublished Ph.D. Thesis. Australian |  | | Journal (article/letter/editorial) | | Cuprostibite and associated minerals from the llimaussaq intrusion, South Greenland, 1978 by S. Karup-MĆøller. L....00 No. 127 The ore minerals of the IUmaussaq intrusion: their mode of occurrence and their conditions...Iratigraphy and vegetalion history in the Scoresb) Sund area. East Greenland. 1978 by S. Funder. D.kr. 95.00...Cu-Fe-Ni-Co-S system - pentIandite, pyrrhotite, chalcopyrite, pyrite, millerite, heazlewoodite, cobalt-pentlandite...intergrowths of pentlandite-pyrite, chalcopyrite-pyrite, chalcopyrite-cubanite, pentlandite-heazlewoodite |  | | 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...grains of sulfide minerals such as pyrrhotite and chalcopyrite occur in the mineralized interval. Formation...and studied [3,8,9], which include the Partridge River and South Kawishiwi intrusions, emplaced between |  | 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) | | 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 |  | | Journal (article/letter/editorial) | | millerite, pentlandite, mackinawite, pyrrhotite, chalcopyrite and cubanite. Awaruite and the sulphides are...assemblages in the sulphide-bearing rocks are: a) chalcopyrite + cubanite + sphalerite, commonly accompanied...minor sphalerite, chalcopyrite, niccolite and arsenopyrite. c) bornite + chalcopyrite, with minor sphalerire...millerite and siegenite. d) pyrrhotite + pyrite + chalcopyrite + magnetite, with minor sphalerite, pentlandite...intergrowths of chalcopyrite and cubanite, cuhanite alteration to lamellar aggregates of chalcopyrite and magnetite |  | Park, Y.-R., Ripley, E. M., Miller, J. D., Li, C., Mariga, J., Shafer, P. (2004) Stable Isotopic Constraints on Fluid-Rock Interaction and Cu-PGE-S Redistribution in the Sonju Lake Intrusion, Minnesota. Economic Geology, 99 (2) 325-338 doi:10.2113/gsecongeo.99.2.325 | Journal (article/letter/editorial) | | and Cu-PGE-S Redistribution in the Sonju Lake Intrusion, Minnesota YOUNG-ROK PARK,* EDWARD M. RIPLEY,ā ...Bloomington Indiana 47405 Abstract The Sonju Lake intrusion, part of the 1.1 Ga Midcontinent rift-related...apatite diorite. Disseminated sulfides in the intrusion have Ī“34S values that range from ā2.2 to 3 per...interval. Ī“18O values of plagioclase from the intrusion range from 5.6 to 12.0 per mil (V-SMOW) and indicate...(Ī“18O ~3ā5 ā°) interacted with the rocks of the intrusion at temperatures less than ~275Ā°C. Clinopyroxene |  | | Journal (article/letter/editorial) | | iron sulfide," previously described from the Muskox Intrusion, N.W.T. and from the Lizard ultramafics in...mineralogyof this depositand of other similar ones in the area has beengiven by Antun, El Goresy,and Ramdohr (1966)...The primary sulfidesand arsenidesare troilite, chalcopyrite, mauchelite,cobaltite, and pentlandite.Secondarymineralswhich...appearsto be bornite. Although not readily visible, chalcopyrite occurs rimming the troilite where the grain...sulfide" described by Jambor (1969) in the Muskox Intrusion, N.W.T. and by Clark (1970) from the Lizard |  | 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 Earthās 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) Iliaās native...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...best known and documented occurrences are from Muskox, Canada [30], the Mina do Abessedo, Portugal [31], |  | | Report (issue) | | corresponding to (Fe1.06 Ni0.05 )Ī£=1.11 S1.00 . (2) Talnakh area, Russia; by electron microprobe, corresponding to...peridotites, and in the reducing environment of river bottom muds; may be produced by magnetotactic and...carbonaceous chondrite meteorites. Association: Chalcopyrite, cubanite, pentlandite, pyrrhotite, greigite...Washington [TL]; in muds from the bottom of the Mystic River, Boston, Suffolk Co., Massachusetts; from the Howard...borate deposit, Boron, Kern Co. In Canada, in the Muskox intrusion, Northwest Territories, and at the |  | 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 FeāTiāV 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 Maļ¬c intrusion Zircon and baddeleyite geochronology Yangtze Block... 1. a) Simpliļ¬ed 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) | | In massive mooihoekite ore, also in galenaāchalcopyrite veins. Association: Mooihoekite, sperrylite...auricupride, silver, cassiterite, stannite, chalcopyrite, valeriite, galena, sphalerite, magnetite. Distribution:...Distribution: From the Oktyabr mine, Talnakh area, Norilāsk region, western Siberia, Russia [TL]. In...USA. From the Muskox intrusion, Northwest Territories, and at Thetford Mines, Quebec, Canada. In the Onverwacht...Centre for Mineral and Energy Technology, Ottawa, Canada, describer of a number of platinum group minerals |  | | Journal (article/letter/editorial) | | gabbrosampleandā¢3 to 81 ppb in the other 29 samAlong the Indus River valley, the Main Mantle pies,which are mostlychromitites...(Jan,1988). out over an area of about 10,000 km2 and are the In the Indus River valley, the uppermostof...inferred cumulus arrival arrival Ć Jijal village ā¢ river .------. stream ā¢. igneous layering igneousfoliation...relict igneousmodal layering.The top of the third intrusion,the Patan Complex(Fig. 1), is a spectacular,intrusive...southeast,to 700 m alongthe Indus River, to 3,000 m between the Indus River and Dubair Stream, to 850 to 1 |  | | Journal (article/letter/editorial) | | Columbia, 2270 Main Mall, Vancouver, BC V6T-1Z4, Canada Abstract The Stillwater Complex, Montana (USA)...Boulder mine (2709.28 Ā± 0.32 Ma), and West Fork area (2709.00 Ā± 0.45 Ma). A U-Pb baddeleyite date from...the results illustrate that the J-M Reef is an intrusion-wide time marker that formed at ca. 2709 Ma during...Stillwater Complex is a large mafic-ultramafic layered intrusion situated along the northern front of the Beartooth...2010; Muskox intrusion, Mackie et al., 2009), intrusions with chromitite horizons (e.g., Bird River Sill |  | | Journal (article/letter/editorial) | | Geoscience Studies, Carleton University, Ottawa, Canada Platinum-Group Minerals and Other Solid Inclusions...erlichmanite c) silicate d) pyrite e) pyrrhotite f) chalcopyrite g) fluid inclusions < 100 5-15 <30 et al...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) | | iron sulfide described by Jambor from the Muskox Intrusion has been found in the Lizard ultramafics in...has briefly described the occurrence in the Muskox intrusion of an unusual fibrous sulfide, intimately...compositional similarity of the Pol Cornick and Muskox minerals lends some support to its validity as...assemblagesinvolving the fibrous sulfide in the Lizard Intrusion are complex and little understood, but it is possiblethat...breakdown, during serpentinization, of primary chalcopyrite and copper-bearing silicates in the peridotite |  | | Journal (article/letter/editorial) | | chromite and traces of pyrrhotite, pentlandite, and chalcopyrite. Postcumulus plagioclase (11.1 percent), orthopyroxene...the rock altered. (d) sample NB-9/955; thompsonite area, 0.9 mm across; 78.0 percent of plagioclase in the...Coleman, R.G.: Jadeite deposit of the Clear Creek area, New Idria district, San Benito County, California...high-temperature peridotite intrusions in the Lizard area, Cornwait. Jour. Petrology 5, i34-188 (1964) Hess...Excursion A29, Muskox intrusion and coppermine river lavas, northwest territories, Canada. Internat. Geol |
|
