First results on velocity analyses of multichannel seismic data acquired with the icebreaker RV Araon across the southern Beaufort Sea, offshore Yukon / M. Riedel ... [et al.].: M44-2016/3E-PDF
"1,220 line km of multichannel seismic data were acquired in the Canadian Beaufort Sea during a 2014 research cruise in collaboration with the Korea Polar Research Institute. Seismic lines were acquired to map the shallow sedimentary structures. Seismic velocity analyses suggest a consistent regional velocity-depth trend on the slope, east of the Mackenzie Trough, with deviations noted at an upper erosional unconformity associated with mega-scale glacial lineations and at the base of the Shallow Bay Formation. Data acquired in the Mackenzie Trough region suggest a different velocity-depth trend, with the region being marked by a large erosional unconformity. Velocity analyses suggest a removal of up to 600 m of overburden. In deeper water, a bottom-simulating reflector is characterized by the presence of free gas and a low velocity zone. The data allowed analyses of fluid expulsion features and determine that the source of mud extruded on the seafloor was from depths of up to 3 km"--Provided by publisher.
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| Department/Agency | Canada. Natural Resources Canada. Geological Survey of Canada. |
|---|---|
| Title | First results on velocity analyses of multichannel seismic data acquired with the icebreaker RV Araon across the southern Beaufort Sea, offshore Yukon / M. Riedel ... [et al.]. |
| Series title | Current research, 1701-4387 ; 2016-3 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Includes bibliographical references. Includes abstract in French. |
| Publishing information | [Ottawa] : Natural Resources Canada, 2016. |
| Author / Contributor | Riedel, Michael. |
| Description | 24 p. : col. charts, col. ill., col. maps. |
| ISBN | 978-0-6-600-5732-3 |
| Catalogue number |
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| Departmental catalogue number | 298840 |
| Subject terms | Ocean floor Geophysics Seismology |
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