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Item 221

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id 221
mdfileid_nerc_guid abc9f747-53ab-0f38-e044-0003ba9b0d98
cruise 1985/3
cruise_alias None
restitle Geophysical Survey 1985/3: West Hebrides (29/Apr/1985 to 19/May/1985)
ship MV Gorsethorn
client British Geological Survey
contractor British Geological Survey
cruise_area CP2 Regional Sea Boundaries: Atlantic North-West Approaches, Rockall Trough and Faeroe/Shetland Channel, Minches & Western Scotland, Scottish Continental Shelf, Offshore 1:250k: Anton Dohrn, Geikie, Lewis, Little Minch, Peach, St Kilda, Tiree, Offshore 1:500k: Central Rockall Basin, North Rockall Basin, SeaVoX Sub-Ocean: INNER SEAS OFF THE WEST COAST OF SCOTLAND, NORTHEAST ATLANTIC OCEAN (40W)
abstract This British Geological Survey (BGS) marine geophysical survey took place in April and May 1985 to the west of the Hebrides on board the MV Gorsethorn. The purpose was to collect data as part of the UK continental shelf survey programme. The objective was to survey the St. Kilda sheet and part of the Little Minch sheet. Sea floor data were collected using echosounder and Transit Sonar. Sub-bottom seismic profiling data were collected using Airgun/Water gun, Pinger and Sparker. Gravity and Magnetometer data were recorded. These records are archived by BGS. Techical details of the survey are contained in BGS report WB/89/6R.
additional_info Information for this survey is sourced from BGS report WB/89/6R. Vessel type - motor vessel. Navigation - Transit satellite, Magnavox integrated system; in deep-water Magnavox MX1107L system used. Positions transformed to Internation Spheroid, European Datum 1950. Accuracy details - (Position +/- 200m in water depth <400m). Echo-sounder - Atlas Deso 20. Transit sonar. Geophysical equipment: Airgun/Water gun, Pinger and Sparker. Magnetometer - Barringer M123; Gravity meter LaCoste and Romberg S75. For more detailed information see the Cruise Report.
nav_equip_type Transit satellite
geophys_equip_type Airgun/Sleeve Gun, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sidescan Sonar, Sparker
samp_equip_type None
start_date 1985-04-29 00:00:00
start_date_est Real
end_date 1985-05-19 00:00:00
end_date_est Real
confidentiality unclassified (open file)
accessuse_restric unrestricted use, copyright acknowledgement
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]"
terms_of_use_url http://nationalarchives.gov.uk/doc/open-government-licence/version/3/
cruise_data_url None