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TitleConversion of seismic-reflection time to depth for the Labrador margin, Davis Strait, and Baffin Bay, offshore northern Canada and Greenland, using sonic logs, checkshot surveys, and wide-angle seismic velocities
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorKeen, C E
SourceGeological Survey of Canada, Open File 8617, 2019, 42 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf (Adobe® Reader®)
ProvinceNunavut; Newfoundland and Labrador; Northern offshore region
NTS3; 13I; 13N; 13O; 13P; 14; 15; 16; 27; 28; 29A; 29B; 29C; 29D; 38; 39A; 39B; 39C; 39D
AreaBaffin Bay; Davis Strait; Labrador Sea
Lat/Long WENS -80.0000 -48.0000 78.0000 52.0000
Subjectsmarine geology; geophysics; Science and Technology; continental margins; sedimentary basins; geophysical surveys; seismic surveys, marine; seismic reflection surveys; seismic refraction surveys; seismic velocities; seismic data; geophysical logging; exploration wells; porosity; bedrock geology; lithology; sedimentary rocks; sandstones; shales; Labrador Margin; Labrador Shelf; Hopedale Basin; Saglek Basin; Melville Bay Graben
Illustrationstables; location maps; sonic logs; plots
ProgramGEM2: Geo-mapping for Energy and Minerals Baffin Region Atlas
Released2019 08 29
Summary(Plain Language Summary, not published)
This report provides a comprehensive summary and analysis of the offshore velocity information for the Labrador, Davis Strait and Baffin Bay regions in order to produce time to depth (km) conversion for seismic reflection data. The velocity datasets are analyzed and the best-fit polynomial models are chose for each of the three regions. This study allows for the conversion of seismic depth to basement mapping in time to depth in meters, as well as development of a regional sediment thickness map.

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