|
Funck, T; Jackson, H; Louden, K; Klingelhoefer, Frauke. |
[ 1] The Davis Strait transform margin was studied using a 630-km-long wide-angle reflection/ refraction seismic transect extending from SE Baffin Island to Greenland. Dense airgun shots were recorded by 28 ocean bottom seismometers deployed along the line. A P wave velocity model was developed from forward and inverse modeling of the wide-angle data and incorporation of coincident deep multichannel reflection seismic data. Off Baffin Island in the Saglek Basin, 7 to 11-km-thick two-layered continental crust (5.8 - 6.6 km/s) is observed. Off Greenland, continental crust is divided into three layers (5.4 - 6.8 km/s) with a maximum thickness of 20 km. Farther offshore Greenland the crust thins to 7 - 12 km and the lower crust disappears. Between the... |
Tipo: Text |
Palavras-chave: Magmatic underplating; Refraction seismics; Transform margin. |
Ano: 2007 |
URL: http://archimer.ifremer.fr/doc/2007/publication-4393.pdf |