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Nechako Plateau

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Journal Article
Published: 07 May 2001
Canadian Journal of Earth Sciences (2001) 38 (4): 619–637.
... rhyolite (ca. 68 Ma) exposed near the western margin of the Nechako Plateau. Latest Cretaceous magmatism and mineralization in the Fawnie Range represent the waning stages of Bulkley suite magmatism and porphyry-style mineralization, which was concentrated along the western margin of the Nechako Plateau...
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Journal Article
Published: 01 May 2001
Canadian Journal of Earth Sciences (2001) 38 (4): 751–765.
... Fig. 1. Location of the study area, straddling Ootsa Lake (part of the Nechako Reservoir) in the Nechako Plateau south of Burns Lake. Quaternary sections investigated during this study are labelled as are sites where Olympia Nonglacial sediments occur in relation to the study area. Before...
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Journal Article
Published: 23 May 2018
Canadian Journal of Earth Sciences (2019) 56 (5): 483–492.
... transient electromagnetic survey with geological survey data, well water data, and gravel pit locations. The approach is tested for a 68 km × 38 km area in the prospective Nechako interior plateau of British Columbia, Canada. The methodology extends the traditional Bouguer corrections by taking into account...
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Journal Article
Published: 01 April 2014
Canadian Journal of Earth Sciences (2014) 51 (4): v–ix.
...Andrew J. Calvert; Graham D.M. Andrews Abstract Infestation by the mountain pine beetle, Dendroctonus ponderosae , decimated the forests of central British Columbia from 1999 to 2012, severely impacting the forest industry of the Nechako–Chilcotin plateau. In response, all levels of government...
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Journal Article
Published: 03 March 2014
Canadian Journal of Earth Sciences (2014) 51 (4): 407–417.
...H.S. Kim; J.F. Cassidy; S.E. Dosso; H. Kao Abstract This paper presents results of a passive-source seismic mapping study in the Nechako–Chilcotin plateau of central British Columbia, with the ultimate goal of contributing to assessments of hydrocarbon and mineral potential of the region...
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Journal Article
Published: 18 February 2014
Canadian Journal of Earth Sciences (2014) 51 (4): 373–392.
...B.R. Smithyman; R.M. Clowes; E. Bordet Abstract Seismic inversion is applied to generate physical property models (P-wave velocity and numerical attenuation) for four profiles in the Nechako–Chilcotin plateau region of south-central British Columbia, Canada. A newly developed method that combines...
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Journal Article
Published: 06 November 2013
Canadian Journal of Earth Sciences (2014) 51 (1): 56–103.
.... Rhyolitic compositions are oldest; and are overlain by dacitic rocks with varied phenocrysts assemblages. In many parts of the Chilcotin Plateau, the Eocene stratigraphy is capped by distinctive vitreous black dacite lavas, which are contemporaneous with andesitic lavas of the Endako Group in the Nechako...
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Journal Article
Journal: GSA Bulletin
Published: 01 December 2000
GSA Bulletin (2000) 112 (12): 1850–1863.
... and east-southeastward onto the Nechako Plateau from ice centers in the Skeena, Hazelton, Coast, and Omineca Mountains. Initially, glacier flow was confined by topography along major valleys, but eventually piedmont and montane glaciers coalesced to form an integrated glacier system, the Cordilleran ice...
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Journal Article
Published: 01 February 2015
Environmental and Engineering Geoscience (2015) 21 (1): 35–45.
... landslides that have occurred in recent years in northern British Columbia. At least eight other large landslides have been triggered in volcanic rocks within the Nechako plateau. 1 Corresponding author email: ablais@nrcan.gc.ca . © 2015 Association of Environmental & Engineering Geologists...
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Journal Article
Published: 07 May 2001
Canadian Journal of Earth Sciences (2001) 38 (4): 679–696.
...Nancy C. Grainger; Michael E. Villeneuve; Larry M. Heaman; Robert G. Anderson Abstract Twenty-three new, precise, Eocene U–Pb and 40 Ar/ 39 Ar age determinations for calc-alkaline volcanic rocks of the Ootsa Lake Group and associated intrusive rocks, widespread in the Nechako Plateau in central...
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Image
Location of the study area, straddling Ootsa Lake (part of the <b>Nechako</b> Rese...
Published: 01 May 2001
Fig. 1. Location of the study area, straddling Ootsa Lake (part of the Nechako Reservoir) in the Nechako Plateau south of Burns Lake. Quaternary sections investigated during this study are labelled as are sites where Olympia Nonglacial sediments occur in relation to the study area.
Image
Examples of some of the large, well-exposed Quaternary sections that common...
Published: 01 May 2001
River from DMA-9810). ( c ) Section DMA-9810, Cheslatta River. ( d ) Section DMA-9809, Nechako Reservoir. ( e ) Section exposed along the Nechako Reservoir, containing Olympia Nonglacial Interval sediment (dark grey unit) that is rarely exposed in the Nechako Plateau. Section locations are shown in Fig
Image
Figure 4. Ice-flow directions recorded in west-central British Columbia. Th...
Published: 01 December 2000
], Nass Basin [N], Nechako Plateau [NP], Omineca Mountains [OM], and Skeena Mountains [SM])
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Figure 1. Location map of central British Columbia. Thick dashed line delin...
Published: 01 December 2000
Figure 1. Location map of central British Columbia. Thick dashed line delineates the study area. Thinner black solid lines define boundaries of six physiographic divisions of Holland (1976) : Nechako Plateau, Hazelton Mountains, Skeena Mountains, Coast Mountains, and Omineca Mountains. Gray lines
Image
Location map showing the Sutherland landslide site (red star) relative to t...
Published: 01 February 2015
Figure 1.  Location map showing the Sutherland landslide site (red star) relative to the bedrock geology of the Nechako Plateau ( Massey et al., 2005 ). Black dots indicate locations of weather stations. Fort St. James has both weather and seismic stations. Numbered red dots indicate locations
Journal Article
Published: 01 May 2001
Canadian Journal of Earth Sciences (2001) 38 (4): 733–749.
... the surface till. Morainal sediments elsewhere in the Nechako Plateau region also have been assigned to the Late Wisconsinan Fraser Glaciation by several other authors (e.g., Tipper 1971 ; Ryder and Clague 1989 ; Levson and Giles 1997 ; Plouffe and Jetté 1997 ). Sediments deposited during the Fraser...
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Simplified geological map of the <b>Nechako</b>–Chilcotin <b>plateau</b> ( Riddell 2011 )...
Published: 03 March 2014
Fig. 1. Simplified geological map of the Nechako–Chilcotin plateau ( Riddell 2011 ). Black dots indicate the location of POLARIS seismic stations. SULB, CLSB, THMB, ALRB (larger labels) are the stations that are described in detail in this paper. Other stations are summarized here and described
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Overview of the geology of the <b>Nechako</b>–Chilcotin <b>plateau</b> within the western...
Published: 21 February 2014
Fig. 1. Overview of the geology of the Nechako–Chilcotin plateau within the western Canadian Cordillera. Volcanic centres and exploration wells are indicated. Inset locates the map relative to the main morphogeological belts in British Columbia, and indicates the location of the Geoscience BC
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Geology of the southeastern <b>Nechako</b>–Chilcotin <b>plateau</b> (after  Riddell 2006 ...
Published: 21 February 2014
Fig. 2. Geology of the southeastern Nechako–Chilcotin plateau (after Riddell 2006 ). Wells are shown by crossed open circles, permitted location (b-48-C) by an open circle. The 330 line-km of the 2008 Geoscience BC survey are shown by red lines, with 1980’s vintage seismic lines shot
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Bouguer anomaly map of the south-central <b>Nechako</b>–Chilcotin <b>plateau</b>. In the ...
Published: 21 February 2014
Fig. 9. Bouguer anomaly map of the south-central Nechako–Chilcotin plateau. In the north, the less negative, approximately north-trending values correlate with Jurassic and Cretaceous rocks exposed at the surface. Wells a-4-L, d-96-E, and permitted location b-48-C indicate Cretaceous rocks