EDMED Details

General

Dataset Name: Seismic reflection and marine gravity data in the Central Atlantic Ocean (1992)
Data Holding Centre: OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
Time Period: from July to August 1992
Start Date: 1992-01-01
End Date: 1992-12-31
Project

Parameters: Gravity; Seismic reflection
Instruments: multi-channel seismic reflection systems; seismic refraction systems; gravimeters; satellite positioning systems

Summary: CNR - 120' Fracture Zone - During summer 1992 OGS, in cooperation with the Istituto di Geologia Marina (CNR), conducted a seismic survey of the Central Atlantic Ocean. The aim of the survey was the investigation of two fracture zones; potential sites for drilling as part of the ODP program. The first site investigated was the area of 120' fracture zone, where a total amount of 450 km of seismic lines was collected to investigate the position of the seismic Moho and the possible presence of low angle faults. The seismic data have been collected with the following sampling parameters: Coverage = 3000 % Sample Rate = 4 ms Shot Interval = 50 m Streamer Length = 3000 m Streamer Depth = 12 m Group Interval = 25 m Number of Groups = 120 Record Length = 17-20 sec Air-Guns: - Total Volume = 80-23 l - Pressure = 140 bar - Depth = 6 m
Originator: OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
References

Availability: by negotiation
Organization: OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics
Contact: unknown
Address: OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Geophysics; Sgonico (Trieste),; 34010; Italy; webmaster@ogs.trieste.it; http://www.ogs.trieste.it