| id |
22 |
| contractor |
British Geological Survey
|
| start_date_est |
Estimated
|
| cruise_data_url |
None
|
| cruise_area |
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
|
| end_date |
1970-02-23 00:00:00
|
| mdfileid_nerc_guid |
abc9f747-5474-0f38-e044-0003ba9b0d98
|
| abstract |
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
|
| end_date_est |
Estimated
|
| cruise |
1970/1
|
| additional_info |
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.
|
| confidentiality |
unclassified (open file)
|
| cruise_alias |
None
|
| nav_equip_type |
Decca Main Chain
|
| accessuse_restric |
unrestricted use, copyright acknowledgement
|
| restitle |
Geophysical Survey 1970/1: Irish Sea west of Anglesey (28/01/1970 to 23/02/1970)
|
| geophys_equip_type |
Echo Sounder, Gravimeter, Magnetometer, Sparker, Transit Sonar
|
| terms_of_use |
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]"
|
| ship |
RRS John Murray
|
| samp_equip_type |
None
|
| terms_of_use_url |
http://nationalarchives.gov.uk/doc/open-government-licence/version/3/
|
| client |
British Geological Survey
|
| start_date |
1970-01-28 00:00:00
|
