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TitleFormation water and gas analyses of the Beaufort-Mackenzie Basin
AuthorGrasby, S E; Chen, Z
SourceGeological Survey of Canada, Open File 5697, 2008, 12 pages; 1 CD-ROM, (Open Access)
LinksMetadata - Métadonnées
PublisherNatural Resources Canada
Documentopen file
MediaCD-ROM; digital; on-line
RelatedThis publication is superceded by Grasby, S E; Chen, Z; (2013). Formation water and gas analyses of the Beaufort-Mackenzie Basin, Geological Survey of Canada, Open File 5697, ed. rev.
File formatreadme
File formattxt; pdf (Adobe® Reader® v. 7.0.5 is included / est fourni)
ProvinceNorthwest Territories
NTS107; 117A/01; 117A/02; 117A/07; 117A/08; 117A/09; 117A/10; 117A/15; 117A/16; 117D/01; 117D/02; 117D/07; 117D/08; 117D/09; 117D/10; 117D/15; 117D/16; 117E/01; 117E/02; 117E/07; 117E/08; 117E/09; 117E/10; 117E/15; 117E/16; 117H/01; 117H/02; 117H/07; 117H/08; 117H/09; 117H/10; 117H/15; 117H/16
AreaMackenzie River Delta; Beaufort Sea; Arctic Canada
Lat/Long WENS-138.0000 -128.0000 71.0000 68.0000
Subjectsfossil fuels; geochemistry; marine geology; hydrocarbons; hydrocarbon potential; formation water; gas; salinity; water geochemistry; vitrinite reflectance; Beaufort-Mackenzie Basin; Cretaceous; Mesozoic; Tertiary; Cenozoic
Illustrationssketch maps; stratigraphic sections; tables
ProgramTargeted Geoscience Initiative (TGI-2), 2003-2005
ProgramProgram of Energy Research and Development (PERD)
Released2008 02 01
AbstractFormation waters of the Beaufort-Mackenzie Basin, Arctic Canada, show a broad range of salinity and water chemistry. Three main water types are defined: freshwaters related to a gravity-driven flow system, original trapped seawater with minor diagenetic alteration, and low TDS - high alkalinity waters. High alkalinity waters are isolated in overpressured fault blocks characterized by rapid sedimentation and burial. The high alkalinities (up to 9000 mg/l) are interpreted to be related to in situ CO2 generation through anaerobic methanogenesis during burial.