For more detailed information on the acquisition equipment and data collection techniques, operational standards, data processing methods and quality control procedures used on this survey see the Report of Survey/Cruise Report and associated documentation where available. The information available may vary depending on the age of the survey. Data are checked and loaded to the BGS Coastal and Marine data management system following BGS marine data management procedures.
unrestricted use, copyright acknowledgement
Geophysical Survey 1969/7: North Irish Sea (11/10/1969 to 28/10/1969)
Echo Sounder, Gravimeter, Magnetometer, Sparker, Transit Sonar
Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced British Geological Survey materials "Contains British Geological Survey materials ©UKRI [year]"
CP2 Regional Sea Boundaries: Irish Sea, Minches & Western Scotland, Offshore 1:250k: Anglesey, Clyde, Dublin, Isle of Man, Malin, Ulster, SeaVoX Sub-Ocean: INNER SEAS OFF THE WEST COAST OF SCOTLAND, IRISH SEA
Report: Tully, MC. 1970. North Channel Irish Sea Cruise Report. MGU Project 69/07. (IGS Report No. 10) Navigation: Decca Mk 12 Main Chain. Equipment: EG&G Seismic Profiling: Two sparkarrays were used firing together at 2500J and 500J respectively at just over once per second. The two arrays were used to give a greater frequency spectrum. KH Transit Sonar: Only used in latter part of the survey as the main area had been covered previously. Elsec Proton Magnetometer. MS 32 Echo-Sounder. La Coste and Romberg Air-Sea Gravity Meter. See also IGS report 71/19.