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TitleSeismic stratigraphy of Liard Basin NEBC
AuthorLeslie-Panek, J MORCID logo; McMechan, M EORCID logo; Ferri, F
SourceGeoconvention 2020 abstract archive; 2020 p. 1 Open Access logo Open Access
LinksOnline - En ligne (PDF, 1.16 MB)
Alt SeriesNatural Resources Canada, Contribution Series 20210389
PublisherGeoConvention Partnership
MeetingGeoconvention 2020: Canadian Society of Petroleum Geologists, Canadian Society of Exploration Geophysicists, Joint Annual Meeting; September 21-23, 2020
DocumentWeb site
Mediaon-line; digital
File formatpdf
ProvinceBritish Columbia; Northwest Territories; Yukon
NTS94J/11; 94J/12; 94J/13; 94J/14; 94K/09; 94K/10; 94K/15; 94K/16; 94N/01; 94N/02; 94N/07; 94N/08; 94N/09; 94N/10; 94N/15; 94N/16; 94O/03; 94O/04; 94O/05; 94O/06; 94O/11; 94O/12; 94O/13; 94O/14; 95B/03; 95B/04; 95C/01; 95C/02
AreaFort Liard; Liard River; Fort Nelson River; Fort Nelson
Lat/Long WENS-124.7500 -123.0000 60.0833 58.5000
Subjectsstratigraphy; structural geology; geophysics; fossil fuels; Science and Technology; Nature and Environment; sedimentary basins; petroleum resources; hydrocarbon potential; hydrocarbons; gas; bedrock geology; basement geology; lithology; sedimentary rocks; shales; carbonates; cherts; conglomerates; sandstones; siltstones; structural features; folds; anticlines; faults; geophysical interpretations; seismic interpretations; seismic data; stratigraphic analyses; stratigraphic correlations; sedimentary wedges; Liard Basin; Western Canada Sedimentary Basin; Bovie Structure; Bovie Fault; Liard River Anticline; Golata Formation; Prophet Formation; Banff Formation; Exshaw Formation; Besa River Group; Tetcho Formation; Fort Simpson Formation; Pseudi Fort Simpson Formation; Nahanni Formation; Phanerozoic; Mesozoic; Cretaceous; Triassic; Paleozoic; Permian; Carboniferous; Mississippian; Devonian; Precambrian; Proterozoic
ProgramGeoscience for New Energy Supply (GNES) Program Coordination
Released2020 09 01
AbstractThe Liard Basin is a sub-basin of the Western Canada Sedimentary Basin, located in Northeast British Columbia, Yukon and Northwest Territories, which contains significant unconventional gas resources in Upper Devonian - Lower Mississippian (Tournasian) shales (Ferri et al., 2015; NEB, 2016). The basin contains up to 5 km of Phanerozoic strata overlying Proterozoic strata and the Laurentian craton, and is characterized by anomalously thick upper Paleozoic and mid-Cretaceous strata (Leckie et al., 1991; Wright et al., 1994). Located between the Bovie Structure to the east, the Mackenzie Mountains to the NW and the Rocky Mountains to the SW, it is a geologically unique basin (Leckie et al., 1991) with the structural orientations interpreted to reflect older originally extensional components (McMechan et al., 2012). The surface structure and stratigraphy of the Liard Basin area is well established (Taylor and Stott, 1968; McMechan, 2013, 2014).
The primary focus of this study was to use available-for-purchase 2D seismic data to regionally map the extent of the Liard Basin in Northeast British Columbia, south of the Yukon / Northwest Territories border (60o N latitude), in the area indicated by the red polygon in Figure 1. As there is very little seismically constrained information on the subsurface geology of this basin in the public domain, this study provides the first seismically controlled, high-level overview of the basin structure and stratigraphy. In particular, the seismic data indicate that the Upper Devonian Lower Besa River interval is comprised of a series of clinoforms, rather than a uniform, layer-cake model as originally interpreted by Morrow and Shinduke (2003). The work presented herein provides an updated understanding of this important shale-gas bearing interval. The result of the current seismic interpretation is an advanced stratigraphic cross-section for the area (Figure 2; Leslie-Panek et al., in press).
Summary(Plain Language Summary, not published)
A study of the seismic stratigraphy of the Liard Basin in NEBC.

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