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TitleGeological history of the Late Cretaceous to Cenozoic Beaufort-Mackenzie Basin, Arctic Canada
AuthorDixon, JORCID logo; Lane, L SORCID logo; Dietrich, J R; McNeil, D HORCID logo; Chen, ZORCID logo
SourceThe sedimentary basins of the United States and Canada; by Miall, A (ed.); 2019 p. 695-717,
Alt SeriesNatural Resources Canada, Contribution Series 20170277
Mediapaper; on-line; digital
File formatpdf (Adobe® Reader®)
ProvinceNorthwest Territories; Yukon; Northern offshore region
NTS107A; 107B; 107C; 107D; 107E; 107F; 117A; 117B; 117C; 117D; 117E; 117F
AreaCanadian Arctic; Beaufort Sea; Mackenzie Delta; Aklavik; Inuvik; Mackenzie Bay; Mackenzie Mountains; British Mountains; Tuktoyaktuk Peninsula
Lat/Long WENS-141.0000 -128.0000 71.0000 68.0000
Subjectsregional geology; stratigraphy; structural geology; tectonics; fossil fuels; economic geology; sedimentology; surficial geology/geomorphology; geophysics; sedimentary basins; continental margins; continental shelf; geological history; tectonic history; deformation; decollement; orogenesis; tectonic elements; tectonic setting; crustal structure; depositional history; depositional environment; sedimentation; tectonostratigraphic zones; unconformities; petroleum resources; hydrocarbon potential; hydrocarbons; oil; gas; hydrate; mineral potential; coal; wells; bedrock geology; lithology; sedimentary rocks; structural features; folds; anticlines; synclines; faults; faults, extension; faults, normal; faults, thrust; faults, strike-slip; fault zones; structural traps; sediments; marine sediments; permafrost; ground ice; thermal maturation; reservoir rocks; source rocks; hydrocarbon migration; geophysical logging; gamma ray logging; Beaufort-Mackenzie Basin; Beaufort Shelf; Mackenzie Trough; Porcupine Plateau; Anderson Plain; Tarsiut-Amauligak Fault Zone; Taglu Fault Zone; Kugmallit Trough; Eskimo Lakes Arch; Romanzof Uplift; Blow Trough; Beaufort Foldbelt; gas hydrates; Phanerozoic; Cenozoic; Mesozoic; Cretaceous
Illustrationslocation maps; geoscientific sketch maps; cross-sections; stratigraphic charts; gamma ray logs; lithologic sections; seismic profiles; schematic cross-sections
ProgramGEM2: Geo-mapping for Energy and Minerals Western Arctic Sverdrup Basin
Released2019 04 26
The Canadian Beaufort-Mackenzie Basin lies on the continental margin of the Arctic Ocean and contains 14 - 16 km of Late Cretaceous to Recent sediment, the bulk of which is Tertiary in age. It has rifted basin margins although the southwestern margin has been overprinted by compressional structures that are contemporaneous with deposition and are part of the Cordilleran foldbelt that extends along west North America. The combination of post-rift subsidence and tectonic loading explains the thick accumulation of Late Cretaceous to Recent sediments. These sediments have been divided into several large transgressive-regressive sequences, each one dominated by the formation of delta complexes and their lateral equivalents. Sediment was supplied mostly from the rising orogenic belt on the southwestern margin of the basin.
Summary(Plain Language Summary, not published)
This paper is a revised and updated regional summary of the geological history of the Beaufort-Mackenzie Basin of Arctic Canada. It will be included in an updated and expanded monograph on the sedimentary basins of North America, edited by A.D. Miall and published by Elsevier. It is intended to serve as a general introduction to the region and provide a comprehensive list of more specific publication for students and researchers new to the region. It summarizes where and when the sedimentary deposits accumulated; the broad regional distribution of coarse and fine sediments; their subsequent history of burial and heating, and faulting and folding; and the characteristics of the basin¿s hydrocarbon resource endowment. In short, it outlines the key elements of the basin¿s petroleum system: sources, reservoirs, traps, generation, and migration.

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