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Nipigon Phase

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Journal Article
Published: 25 September 2003
Canadian Journal of Earth Sciences (2003) 40 (9): 1259–1278.
... Nipigon Phase (ca. 9400–8000 14 C years BP) and for understanding the causes of outlet-driven declines in lake level during that period. Although flow paths across the divide between the Agassiz and Nipigon basins were numerous, eastward releases from Lake Agassiz to glacial Lake Kelvin (modern Lake...
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Stage-specific topographic models of the eastern outlet region on both side...
Published: 25 September 2003
Fig. 6. Stage-specific topographic models of the eastern outlet region on both sides of the drainage divide separating Lake Agassiz from the basin of glacial Lake Kelvin (modern Lake Nipigon). Maps corresponding to 13 stages of Lake Agassiz are given, including 11 Nipigon Phase stages
Image
Stage-specific topographic models of the eastern outlet region on both side...
Published: 25 September 2003
Fig. 6. Stage-specific topographic models of the eastern outlet region on both sides of the drainage divide separating Lake Agassiz from the basin of glacial Lake Kelvin (modern Lake Nipigon). Maps corresponding to 13 stages of Lake Agassiz are given, including 11 Nipigon Phase stages
Image
Stage-specific topographic models of the eastern outlet region on both side...
Published: 25 September 2003
Fig. 6. Stage-specific topographic models of the eastern outlet region on both sides of the drainage divide separating Lake Agassiz from the basin of glacial Lake Kelvin (modern Lake Nipigon). Maps corresponding to 13 stages of Lake Agassiz are given, including 11 Nipigon Phase stages
Image
Stage-specific topographic models of the eastern outlet region on both side...
Published: 25 September 2003
Fig. 6. Stage-specific topographic models of the eastern outlet region on both sides of the drainage divide separating Lake Agassiz from the basin of glacial Lake Kelvin (modern Lake Nipigon). Maps corresponding to 13 stages of Lake Agassiz are given, including 11 Nipigon Phase stages
Image
Stage-specific topographic models of the eastern outlet region on both side...
Published: 25 September 2003
Fig. 6. Stage-specific topographic models of the eastern outlet region on both sides of the drainage divide separating Lake Agassiz from the basin of glacial Lake Kelvin (modern Lake Nipigon). Maps corresponding to 13 stages of Lake Agassiz are given, including 11 Nipigon Phase stages
Image
Stage-specific topographic models of the eastern outlet region on both side...
Published: 25 September 2003
Fig. 6. Stage-specific topographic models of the eastern outlet region on both sides of the drainage divide separating Lake Agassiz from the basin of glacial Lake Kelvin (modern Lake Nipigon). Maps corresponding to 13 stages of Lake Agassiz are given, including 11 Nipigon Phase stages
Image
Stage-specific topographic models of the eastern outlet region on both side...
Published: 25 September 2003
Fig. 6. Stage-specific topographic models of the eastern outlet region on both sides of the drainage divide separating Lake Agassiz from the basin of glacial Lake Kelvin (modern Lake Nipigon). Maps corresponding to 13 stages of Lake Agassiz are given, including 11 Nipigon Phase stages
Image
Figure 1. (A) The southern outlet is located at the southern end of Lake Ag...
Published: 01 November 2005
) for the southern outlet of Lake Agassiz. Lake levels other than the Upper Campbell are undated and are only shown schematically. Note that the Morris Phase is sometimes referred to as the Nipigon Phase. a.s.l.—above sea level.
Journal Article
Published: 28 August 2007
Canadian Journal of Earth Sciences (2007) 44 (8): 1087–1110.
... al. 2005 ). This paper is a preliminary evaluation and test of the current petrogenetic models and their applicability to the earliest phases of magmatic activity within the MCR. 1 This article is one of a selection of papers published in this Special Issue on the Lake Nipigon Region...
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Journal Article
Published: 28 August 2007
Canadian Journal of Earth Sciences (2007) 44 (8): 1111–1129.
...Pete Hollings; Adam Richardson; Robert A. Creaser; James M. Franklin Abstract The ca. 1110–1120 Ma diabase sills of the Nipigon Embayment represent the oldest phase of the Midcontinent Rift recognized to date. The sills can be subdivided into five geochemically distinct suites: Nipigon, McIntyre...
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Journal Article
Journal: Economic Geology
Published: 01 August 2014
Economic Geology (2014) 109 (5): 1383–1401.
...., 1990 ; Van Schmus, 1992 ; Cannon and Hinze, 1992 ; Hollings et al., 2007 ). One of the earliest phases of magmatic activity associated with the rift was centered near Lake Nipigon ( Heaman et al., 2007 ), and consists of a series of ultramafic to mafic sills that intrude the Archean bedrock...
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Journal Article
Published: 11 September 2007
Canadian Journal of Earth Sciences (2007) 44 (8): 1021–1040.
... of the Mesoproterozoic intrusive rocks of the Nipigon Embayment, northwestern Ontario: evaluating the earliest phases of rift development . Canadian Journal of Earth Sciences , 44 : this issue. Hollings P. Richardson A. Creaser R.A. Franklin J.M. 2007b . Radiogenic isotope characteristics...
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Journal Article
Published: 14 May 2021
Canadian Journal of Earth Sciences (2021) 58 (10): 1116–1131.
..., including the Nipigon sills and Osler volcanic rocks ( Hollings et al. 2007 a , 2007 c ; Fig. 11 ), suggests that these rocks may represent a very early extrusive to subvolcanic phase of rift activity. The location of the Pillar Lake Volcanics and Inspiration Sill in the same area as the ca. 1599 Ma...
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Schematic diagrams depicting evolution of the northern Midcontinent Rift du...
Published: 03 May 2007
Fig. 12. Schematic diagrams depicting evolution of the northern Midcontinent Rift during its early history. (A) At ∼1113–1109 Ma, large volumes of diabasic magma intruded Proterozoic sedimentary rocks and Archean basement in the vicinity of Lake Nipigon. These, and associated mafic–ultramafic
Journal Article
Published: 21 April 2007
Canadian Journal of Earth Sciences (2007) 44 (8): 1015–1019.
...: evaluating the earliest phases of rift development . Canadian Journal of Earth Sciences , 44 : this issue. Hollings P. Richardson A. Creaser R.A. Franklin J.M. 2007b . Radiogenic isotope characteristics of the Mesoproterozoic intrusive rocks of the Nipigon embayment, northwestern...
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Journal Article
Published: 24 January 2007
Canadian Journal of Earth Sciences (2006) 43 (11): 1751–1753.
...Phillip Larson; Howard Mooers However, all exposures of the Nipigon diabase sill observed in our relatively small study area consisted of glacially scoured bedrock. In contrast to the sand-and silt-sized weathered diabase documented by Barnett and Dyer ( 2005 ), the mean particle size of diabase...
Journal Article
Published: 31 August 2007
Canadian Journal of Earth Sciences (2007) 44 (8): 1055–1086.
... . Hollings P. Hart T. Richardson A. MacDonald C.A. 2007 . Geochemistry of the Mesoproterozoic intrusive rocks of the Nipigon Embayment, northwestern Ontario: evaluating the earliest phases of rift development . Canadian Journal of Earth Sciences , 44 : this issue. Hutchinson D.R...
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Journal Article
Published: 07 September 2007
Canadian Journal of Earth Sciences (2007) 44 (8): 1131–1149.
...Becky Rogala; Philip W. Fralick; Larry M. Heaman; Riku Metsaranta Abstract The 950 m thick Sibley Group is a relatively flat-lying assemblage of siliciclastic and chemical sedimentary rocks exposed from the northwest shore of Lake Superior to the Lake Nipigon region of Ontario. Remnants...
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Journal Article
Published: 08 August 2007
Canadian Journal of Earth Sciences (2007) 44 (8): 1041–1053.
...Mark C. Smyk; James M. Franklin Abstract A variety of metallic and non-metallic mineral deposit types occur within Archean and Proterozoic rocks in the area encompassing the Lake Nipigon Region Geoscience Initiative. Archean deposit types include Algoma-type banded iron formation-hosted iron (e.g...
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