During austral summer1996/97 the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. The SEDANO II (SEdiment Drifts of the ANtarctic Offshore) programme was the continuation of SEDANO I , acquired in 1995 (SDLS-47). This interdiciplinary programme included geology, geophysics and oceanography for the study of the sedimentary sequences of the continental rise of the Pacific Margin in the Antarctic Peninsula. During this programme 712 km of 60-fold multichannel seismic reflection (MCS) data, 8 second records, 2 ms sample rate and 286 km of single channel seismic reflection (SCS) data, 3 seconds, 1 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60 litres, fired every 25 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m for the MCS data. The SCS data were acquired every 12,5 meters into a 18 m cable consisting of 8 hydrophone groups towed at an average depth of 3 m, except line IT97AP242H acquired every 25 m, 8 seconds and 2 ms sample rate. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Angelo Camerlenghi of the National Institute of Oceanography and Applied Geophysics - OGS, Borgo Grotta Gigante n. 42/C, 34010 Sgonico (Trieste), Italy. Processing of the MCS data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation. The SCS data were processed using the following sequence: Reformat, Quality control, Deconvolution, Sum traces (from 8 to 1), Mute, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97, the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. During this cruise there were several research programmes; TENAP, BSR and SEDANO II. The TENAP (cenozoic Tectonic Evolutionof the Northem Antarctic Peninsula) programme was a geological and geophysical research project to study the Cenozoic tectonic evolution of the Antartic Peninsula and its borders; data were collected between longitude 59 and 66 degrees West, and latitude 61 and 64 degrees South. During this programme 702.5 km of 30-fold multichannel seismic reflection (MCS) data, 16 second records, 4 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60.5 litres, using the Single Bubble methodology, fired every 50 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Giulio Pellis of the Dipartimento di Ingegneria Civile e Ambientale of the Università di Trieste, Piazzale Europa n. 1, 34127 Trieste, Italy. Processing of the data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97, the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. During this cruise there were several research programmes; TENAP, BSR and SEDANO II. The TENAP (cenozoic Tectonic Evolutionof the Northem Antarctic Peninsula) programme was a geological and geophysical research project to study the Cenozoic tectonic evolution of the Antartic Peninsula and its borders; data were collected between longitude 59 and 66 degrees West, and latitude 61 and 64 degrees South. During this programme 702.5 km of 30-fold multichannel seismic reflection (MCS) data, 16 second records, 4 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60.5 litres, using the Single Bubble methodology, fired every 50 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Giulio Pellis of the Dipartimento di Ingegneria Civile e Ambientale of the Università di Trieste, Piazzale Europa n. 1, 34127 Trieste, Italy. Processing of the data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97 the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. The SEDANO II (SEdiment Drifts of the ANtarctic Offshore) programme was the continuation of SEDANO I , acquired in 1995 (SDLS-47). This interdiciplinary programme included geology, geophysics and oceanography for the study of the sedimentary sequences of the continental rise of the Pacific Margin in the Antarctic Peninsula. During this programme 712 km of 60-fold multichannel seismic reflection (MCS) data, 8 second records, 2 ms sample rate and 286 km of single channel seismic reflection (SCS) data, 3 seconds, 1 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60 litres, fired every 25 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m for the MCS data. The SCS data were acquired every 12,5 meters into a 18 m cable consisting of 8 hydrophone groups towed at an average depth of 3 m, except line IT97AP242H acquired every 25 m, 8 seconds and 2 ms sample rate. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Angelo Camerlenghi of the National Institute of Oceanography and Applied Geophysics - OGS, Borgo Grotta Gigante n. 42/C, 34010 Sgonico (Trieste), Italy. Processing of the MCS data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation. The SCS data were processed using the following sequence: Reformat, Quality control, Deconvolution, Sum traces (from 8 to 1), Mute, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97, the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. During this cruise there were several research programmes; TENAP, BSR and SEDANO II. The TENAP (cenozoic Tectonic Evolutionof the Northem Antarctic Peninsula) programme was a geological and geophysical research project to study the Cenozoic tectonic evolution of the Antartic Peninsula and its borders; data were collected between longitude 59 and 66 degrees West, and latitude 61 and 64 degrees South. During this programme 702.5 km of 30-fold multichannel seismic reflection (MCS) data, 16 second records, 4 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60.5 litres, using the Single Bubble methodology, fired every 50 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Giulio Pellis of the Dipartimento di Ingegneria Civile e Ambientale of the Università di Trieste, Piazzale Europa n. 1, 34127 Trieste, Italy. Processing of the data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97, the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. During this cruise there were several research programmes; TENAP, BSR and SEDANO II. The TENAP (cenozoic Tectonic Evolutionof the Northem Antarctic Peninsula) programme was a geological and geophysical research project to study the Cenozoic tectonic evolution of the Antartic Peninsula and its borders; data were collected between longitude 59 and 66 degrees West, and latitude 61 and 64 degrees South. During this programme 702.5 km of 30-fold multichannel seismic reflection (MCS) data, 16 second records, 4 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60.5 litres, using the Single Bubble methodology, fired every 50 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Giulio Pellis of the Dipartimento di Ingegneria Civile e Ambientale of the Università di Trieste, Piazzale Europa n. 1, 34127 Trieste, Italy. Processing of the data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97 the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. The SEDANO II (SEdiment Drifts of the ANtarctic Offshore) programme was the continuation of SEDANO I , acquired in 1995 (SDLS-47). This interdiciplinary programme included geology, geophysics and oceanography for the study of the sedimentary sequences of the continental rise of the Pacific Margin in the Antarctic Peninsula. During this programme 712 km of 60-fold multichannel seismic reflection (MCS) data, 8 second records, 2 ms sample rate and 286 km of single channel seismic reflection (SCS) data, 3 seconds, 1 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60 litres, fired every 25 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m for the MCS data. The SCS data were acquired every 12,5 meters into a 18 m cable consisting of 8 hydrophone groups towed at an average depth of 3 m, except line IT97AP242H acquired every 25 m, 8 seconds and 2 ms sample rate. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Angelo Camerlenghi of the National Institute of Oceanography and Applied Geophysics - OGS, Borgo Grotta Gigante n. 42/C, 34010 Sgonico (Trieste), Italy. Processing of the MCS data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation. The SCS data were processed using the following sequence: Reformat, Quality control, Deconvolution, Sum traces (from 8 to 1), Mute, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97, the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. During this cruise there were several research programmes; TENAP, BSR and SEDANO II. The TENAP (cenozoic Tectonic Evolutionof the Northem Antarctic Peninsula) programme was a geological and geophysical research project to study the Cenozoic tectonic evolution of the Antartic Peninsula and its borders; data were collected between longitude 59 and 66 degrees West, and latitude 61 and 64 degrees South. During this programme 702.5 km of 30-fold multichannel seismic reflection (MCS) data, 16 second records, 4 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60.5 litres, using the Single Bubble methodology, fired every 50 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Giulio Pellis of the Dipartimento di Ingegneria Civile e Ambientale of the Università di Trieste, Piazzale Europa n. 1, 34127 Trieste, Italy. Processing of the data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97, the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. During this cruise there were several research programmes; TENAP, BSR and SEDANO II. The TENAP (cenozoic Tectonic Evolutionof the Northem Antarctic Peninsula) programme was a geological and geophysical research project to study the Cenozoic tectonic evolution of the Antartic Peninsula and its borders; data were collected between longitude 59 and 66 degrees West, and latitude 61 and 64 degrees South. During this programme 702.5 km of 30-fold multichannel seismic reflection (MCS) data, 16 second records, 4 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60.5 litres, using the Single Bubble methodology, fired every 50 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Giulio Pellis of the Dipartimento di Ingegneria Civile e Ambientale of the Università di Trieste, Piazzale Europa n. 1, 34127 Trieste, Italy. Processing of the data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation.

During austral summer1996/97, the National Institute of Oceanography and Applied Geophysics - OGS, on board the research vessel OGS-Explora, conducted marine geological and geophysical surveys along the Antarctic Peninsula. During this cruise there were several research programmes; TENAP, BSR and SEDANO II. The TENAP (cenozoic Tectonic Evolutionof the Northem Antarctic Peninsula) programme was a geological and geophysical research project to study the Cenozoic tectonic evolution of the Antartic Peninsula and its borders; data were collected between longitude 59 and 66 degrees West, and latitude 61 and 64 degrees South. During this programme 702.5 km of 30-fold multichannel seismic reflection (MCS) data, 16 second records, 4 ms sample rate, were recorded on a SERCEL SN 358 DMX system. The source consisted of an airgun array with a total volume of 60.5 litres, using the Single Bubble methodology, fired every 50 meters into a 3000 m cable consisting of 120 hydrophone groups towed at an average depth of 12 m. A GPS + TRANSIT satellite receiver system was used for navigation. The Chief Scientists on this programme was: Giulio Pellis of the Dipartimento di Ingegneria Civile e Ambientale of the Università di Trieste, Piazzale Europa n. 1, 34127 Trieste, Italy. Processing of the data generally followed a conventional sequence: Reformat, Quality control, Amplitude recovery, Deconvolution, Velocity analysis, NMO corrections, Mute, Trace weighting, Stack, Mixing, Filter, Dynamic trace equalisation.