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Coppermine River Basalt

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Journal Article

Plume–lithosphere interaction and crustal contamination during formation of Coppermine River basalts, Northwest Territories, Canada

Mélanie Griselin, Nicholas T. Arndt, W. R. A. Baragar
Published: 01 July 1997
Canadian Journal of Earth Sciences (1997) 34 (7): 958–975.
DOI: https://doi.org/10.1139/e17-080
...Mélanie Griselin; Nicholas T. Arndt; W. R. A. Baragar Abstract New trace-element and Nd-isotope analyses were carried out on the Coppermine River basalts, a suite of 1.27 Ga old continental flood basalts in the Northwest Territories of Canada. Although all the samples are tholeiitic basalts...
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The distribution of platinum-group elements, nickel, copper, and gold in the Muskox layered intrusion, Northwest Territories, Canada

Sarah-Jane Barnes, Don Francis
Journal: Economic Geology
Published: 01 February 1995
Economic Geology (1995) 90 (1): 135–154.
DOI: https://doi.org/10.2113/gsecongeo.90.1.135
...Sarah-Jane Barnes; Don Francis Abstract The Muskox intrusion was emplaced into a rift in the northwestern Canadian Shield at about 1270 Ma. This rifting event was associated with extensive flood basalt magmatism (Coppermine River basalt) and is attributed to the development of a mantle plume...
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Geochemistry and petrogenesis of basaltic rocks from Coppermine River area, Northwest Territories

J. Dostal, W. R. A. Baragar, C. Dupuy
Published: 01 May 1983
Canadian Journal of Earth Sciences (1983) 20 (5): 684–698.
DOI: https://doi.org/10.1139/e83-062
...J. Dostal; W. R. A. Baragar; C. Dupuy Abstract Proterozoic basaltic flows (> 2000 m thick) and associated dykes and sills from the Coppermine River area, Northwest Territories have chemical compositions typical of continental tholeiites. The low Mg/Fe ratio and abundances of Ni and Cr indicate...
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Journal Article

Proterozoic flood basalts from the Coppermine River area, Northwest Territories: isotope and trace element geochemistry

C. Dupuy, A. Michard, J. Dostal, D. Dautel, W. R. A. Baragar
Published: 01 September 1992
Canadian Journal of Earth Sciences (1992) 29 (9): 1937–1943.
DOI: https://doi.org/10.1139/e92-151
...C. Dupuy; A. Michard; J. Dostal; D. Dautel; W. R. A. Baragar Abstract The voluminous Proterozoic continental tholeiites of the Coppermine River province (Northwest Territories), which are coeval with the Mackenzie magmatic event (1.27 Ga old) and were emplaced over a short period of time (< 5 Ma...
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Journal Article

Timing of emplacement of the Muskox intrusion: constraints from Coppermine homocline cover strata

Charles Kerans
Published: 01 May 1983
Canadian Journal of Earth Sciences (1983) 20 (5): 673–683.
DOI: https://doi.org/10.1139/e83-061
... of the Wopmay orogen and overlying Middle Proterozoic Coppermine homocline strata. To date, radiometric, paleomagnetic, and geochemical evidence has produced only equivocal results concerning the age of the Muskox intrusion relative to overlying Coppermine River Group basalts and Mackenzie diabase dykes...
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Geochronology of the Narakay Volcanic Complex: implications for the age of the Coppermine Homocline and Mackenzie igneous events

Samuel A. Bowring, Gerald M. Ross
Published: 01 May 1985
Canadian Journal of Earth Sciences (1985) 22 (5): 774–781.
DOI: https://doi.org/10.1139/e85-082
... Group.This is the first U–Pb zircon age determined from rocks of the Coppermine Homocline and has important implications for previous geochronology and extrabasinal correlation. Earlier Rb–Sr dates from the conformably overlying Coppermine River Group basalts of ca, 1200 Ma, when taken together with the new...
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Journal Article

Racklan Orogen

Frederick A. Cook
Published: 01 November 1992
Canadian Journal of Earth Sciences (1992) 29 (11): 2490–2496.
DOI: https://doi.org/10.1139/e92-195
...Frederick A. Cook Abstract The term Racklan Orogen is applied to an extensive region of deformed rocks that underlies northwestern Canada. At least one period of deformation predated extrusion of the ca. 1267–1270 Ma basalt of the Coppermine River Group, and at least two periods of deformation...
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Stratigraphic comparison between the late Mesoproterozoic Coppermine River ...

Published: 17 May 2023
Fig. 9. Stratigraphic comparison between the late Mesoproterozoic Coppermine River Group/Shaler Supergroup and the Bylot Supergroup and Fury and Hecla Group. Modified from Greenman et al. (2021) . Ages for the Shaler Supergroup from Rainbird et al. (2020) and references cited therein; ages
Journal Article

Correlation of Proterozoic strata in the northwestern Canadian Shield

J. A. Fraser, L. P. Tremblay
Published: 01 February 1969
Canadian Journal of Earth Sciences (1969) 6 (1): 1–9.
DOI: https://doi.org/10.1139/e69-001
... area of not less than 13 000 sq. km.The many features common to the two groups indicate that they are correlative: (1) each lies unconformably on an Archean basement; (2) each is overlain unconformably and successively by kaolinitic sandstone, by dolomite, and by Coppermine River Group basalt...
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Detrital zircon geochronology and provenance of the Mesoproterozoic Husky Creek Formation: a fluvial sandstone recording the waning stages of one of Earth's largest magmatic episodes

Robert D. Meek, Alessandro Ielpi, Robert H. Rainbird, William J. Davis
Published: 08 February 2023
Canadian Journal of Earth Sciences (2023) 60 (7): 1058–1077.
DOI: https://doi.org/10.1139/cjes-2022-0059
... ), and mafic volcanic and clastic sedimentary rocks of the Coppermine River Group ( Baragar and Donaldson 1973 ; Kerans et al. 1981 ; Campbell 1983 ; Hahn et al. 2013 ; Rainbird and Davis 2022 ) ( Fig. 2 ). The latter includes extensive basalt flows of the Copper Creek Formation, which are overlain...
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Potential-field modeling of a Proterozoic halfgraben near Blackwater Lake, Northwest Territories, Canada, and its implications for the Fort Simpson Magnetic Anomaly

B.C. MacLean, W. Miles
Published: 19 February 2002
Canadian Journal of Earth Sciences (2002) 39 (2): 169–187.
DOI: https://doi.org/10.1139/e01-061
... Assemblage with the Dismal Lakes Group, and the Mackenzie–Shaler Assemblage with the Mackenzie Mountains and Shaler supergroups. We refer to the basalts drilled in the Tweed Lake area as the Tweed Lake basalts and place them within the Tweed Lake Assemblage. These are correlated with the Coppermine basalts...
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Proterozoic and Laramide tectonics in the Colville Hills and Anderson Plains region, Northwest Territories

D.G. Cook, B.C. Maclean, K.C. Coflin
Published: 01 June 1991
Bulletin of Canadian Petroleum Geology (1991) 39 (2): 208.
DOI: https://doi.org/10.35767/gscpgbull.39.2.208c
...D.G. Cook; B.C. Maclean; K.C. Coflin Regional seismic data in the Colville Hills and Anderson Plains record up to 15 km of strata comprising five seismic-stratigraphic packages considered equivalents of 1) seismic basement; 2) Hornby Bay Group; 3) Dismal Lakes Group and Coppermine basalts; 4) Rae...
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Changes in organic matter production and accumulation as a mechanism for isotopic evolution in the Mesoproterozoic ocean

T. D. FRANK, L. C. KAH, T. W. LYONS
Published: 01 July 2003
Geological Magazine (2003) 140 (4): 397–420.
DOI: https://doi.org/10.1017/S0016756803007830
... and extensional intracratonic adjustment ( Kerans et al . 1981 ; Cook & MacLean, 1992 , 1995 , 1996 ), periods of tectonic stability ( Kerans et al . 1981 ) and regional uplift ( Kerans, 1983 ) prior to the extrusion of voluminous flood basalts of the Coppermine River Group. Within the Coppermine...
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The influence of Proterozoic structures on the development of Laramide structures, northern Interior Plains, Northwest Territories, Canada

B.C. MacLean, D.G. Cook
Published: 01 September 1992
Bulletin of Canadian Petroleum Geology (1992) 40 (3): 207–221.
DOI: https://doi.org/10.35767/gscpgbull.40.3.207
... in Coppermine Homocline. The areally restricted younger unit is correlated with both the Rae Group in the homocline, and the Mackenzie Mountains Supergroup in the Cordillera. The most important elements in our correla- tion scheme are: 1) the presence of basalts, in the Tweed Lake area, which have been...
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Journal Article

Cretaceous oil and gas pools: a full cycle case history

J.R. Century
Published: 01 June 1991
Bulletin of Canadian Petroleum Geology (1991) 39 (2): 208.
DOI: https://doi.org/10.35767/gscpgbull.39.2.208
... basement; 2) Homby Bay Group; 3) Dismal Lakes Group and Coppermine basalts; 4) Rae Group and Mackenzie Mountains supergroup; and 5) Phanerozoic strata. Equivalents of Rae Group and Mackenzie Mountains upergroup underlie parts of Anderson Plains but are virtually missing from the Colville Hills area. Under...
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Zircon provenance data record the lateral extent of pancontinental, early Neoproterozoic rivers and erosional unroofing history of the Grenville orogen

Robert H. Rainbird, N.M. Rayner, T. Hadlari, L.M. Heaman, A. Ielpi, E.C. Turner, R.B. MacNaughton
Journal: GSA Bulletin
Published: 30 June 2017
GSA Bulletin (2017) 129 (11-12): 1408–1423.
DOI: https://doi.org/10.1130/B31695.1
... erosional unconformity ( Baragar and Donaldson, 1973 ; Rainbird et al., 1994 ). Hihotok member strata also are preserved in exploration drill core from a prospect located west of the Coppermine River, where sandstones overlie a conglomeratic lag developed on weathered basalt flows of the Husky Creek...
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Gas prone, incised valley-fill sediments within the Upper Albian Bow Island Formation, southwest Alberta

J. Cox, B.P.J. Williams
Published: 01 June 1991
Bulletin of Canadian Petroleum Geology (1991) 39 (2): 208.
DOI: https://doi.org/10.35767/gscpgbull.39.2.208e
... seismic-stratigraphic pa kages considered equivalents of 1) seismic basement; 2) Homby Bay Group; 3) Dismal Lakes Group and Coppermine basalts; 4) Rae Group and Mackenzie Mountains supergroup; and 5) Phanerozoic strata. Equivalents of Rae Group and Mackenzie Mountains upergroup underlie parts of Anderson...
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Proterozoic compressional deformation of the Anderson Plains

K.C. Coflin
Published: 01 June 1991
Bulletin of Canadian Petroleum Geology (1991) 39 (2): 208.
DOI: https://doi.org/10.35767/gscpgbull.39.2.208b
... seismic-stratigraphic pa kages considered equivalents of 1) seismic basement; 2) Homby Bay Group; 3) Dismal Lakes Group and Coppermine basalts; 4) Rae Group and Mackenzie Mountains supergroup; and 5) Phanerozoic strata. Equivalents of Rae Group and Mackenzie Mountains upergroup underlie parts of Anderson...
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Petroleum exploration in Queensland, Australia

J. Cosgrove
Published: 01 June 1991
Bulletin of Canadian Petroleum Geology (1991) 39 (2): 208.
DOI: https://doi.org/10.35767/gscpgbull.39.2.208d
... seismic-stratigraphic pa kages considered equivalents of 1) seismic basement; 2) Homby Bay Group; 3) Dismal Lakes Group and Coppermine basalts; 4) Rae Group and Mackenzie Mountains supergroup; and 5) Phanerozoic strata. Equivalents of Rae Group and Mackenzie Mountains upergroup underlie parts of Anderson...
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A tectonostratigraphic framework for the late Mesoproterozoic Bylot basins of Laurentia

J. Wilder Greenman, Angelo dos Santos, Mollie Patzke, Timothy M. Gibson, Alessandro Ielpi, Galen P. Halverson
Published: 17 May 2023
Journal of the Geological Society (2023) 180 (3): jgs2022-174.
DOI: https://doi.org/10.1144/jgs2022-174
...Fig. 9. Stratigraphic comparison between the late Mesoproterozoic Coppermine River Group/Shaler Supergroup and the Bylot Supergroup and Fury and Hecla Group. Modified from Greenman et al. (2021) . Ages for the Shaler Supergroup from Rainbird et al. (2020) and references cited therein; ages...
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