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TitleSeismic stratigraphy of the Sohm Abyssal Plain, offshore Nova Scotia
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorDesRoches, K J; Wade, J A
SourceGeological Survey of Canada, Open File 8469, 2019, 50 pages (2 sheets), Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf
ProvinceNova Scotia; Eastern offshore region
NTS1; 10; 20
AreaSohm Abyssal Plain
Lat/Long WENS -72.0000 -50.0000 45.0000 35.0000
Subjectsmarine geology; stratigraphy; geophysics; geophysical interpretations; seismic interpretations; seismic reflection surveys; magnetic interpretations; magnetic anomalies; gravity interpretations; gravity anomalies; free-air anomalies; continental margins; sedimentary basins; abyssal plains; bedrock geology; basement geology; unconformities; bedrock topography; seafloor topography; systematic stratigraphy; stratigraphic correlations; geological history; tectonic history; depositional history; basin evolution; sedimentary structures; bathymetry; isochrons; Scotian Basin; United Nations Convention On The Law Of The Sea (Unclos); Sohm Basin; New England Seamounts; Gregg Seamount; San Pablo Seamount; Manning Seamount; Blake Ridge Formation; Bermuda Rise Formation; Blake-Bahama Formation; Cat Gap Formation; Laurentian Fan; Great Sohm Dome; Sable Subbasin; Shelburne Subbasin; Sable Island Bank; Laurentian Channel; Georges Bank; J Anomaly Ridge; Grand Banks; Scotian Slope; Scotian Shelf; Phanerozoic; Cenozoic; Tertiary; Mesozoic; Cretaceous; Jurassic
Illustrationslocation maps; geoscientific sketch maps; tables; correlation sections; seismic profiles
ProgramDelineating Canada's Continental Shelf Under UNCLOS
Released2019 02 05
Summary(Plain Language Summary, not published)
Multichannel seismic reflection data collected as part of Canada's United Nations Convention on the Law of the Sea (UNCLOS) program has shed some light on the Sohm Abyssal Plain - a deep-water depositional basin offshore Nova Scotia. This data provides information on changes in the Mesozoic and Cenozoic depositional patterns in the abyssal plain and identifies an area of stratigraphic inversion and possible uplift likely related to the emplacement of the New England Seamount chain in the Late Cretaceous.

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