Geophysical Survey 1970/1: Irish Sea west of Anglesey (28/01/1970 to 23/02/1970)
CP2 Regional Sea Boundaries: Irish Sea, Western Channel & Celtic Sea, Offshore 1:250k: Anglesey, Bristol Channel, Cardigan Bay, Dublin, Isle of Man, Lundy, Waterford, SeaVoX Sub-Ocean: BRISTOL CHANNEL, CELTIC SEA, IRISH SEA
Report: Day, GA. 1970. RRS John Murray Cruise 1/70. (IGS Report No 3; 19) Positioning: It is assumed that Main Chain Decca was used athough it is not specifically mentioned in the Cruise Report Echo Sounding: Not mentioned in the cruise report Sonar Systems: Aberystwyth geological sonar and the IGS transit sonar. Poor quality records. Seismic Systems: EG&G sparker system: Mostly operated at 1kJ Gravitymeter: RVU LaCoste and Romberg gravity meter. Magnetometer: Varian magnetometer
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.
Echo Sounder, Gravimeter, Magnetometer, Sparker, Transit Sonar
unrestricted use, copyright acknowledgement
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]"