British Geological Survey (BGS) Geophysical Survey 1979/14: Shetland (10/07/1979 to 14/08/1979)
Report: Armstrong, EJ. 1979. Cruise Report for Project 79/14, West Shetland and Project 79/15, Bosies Bank. (IGS Report No 101). Project 79/14 was designed to provide regional geophysical coverage of the Foula sheet, of the IGS 1:250000 map series, on a N-S, E-W grid of lines at approximately 15km by 9 km spacing. A number of gravity lines were also to be run over the Orkney sheet to complete gravity coverage in that area. In addition, some regional geophysical lines were to be surveyed on the Halibut Bank sheet after a study of the FLAGS pipeline route with the Huntec deep tow boomer. The watergun provided superior records to those of the airgun giving resolution comparable to the sparker in fair weather, down to 800ms of sediments. Up to 400ms penetration was achieved by the sparker, while the boomer provided good resolution in the shallow section. In depths less than 300m the transit sonar was used.
dataset
BGS Offshore Geoindex
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British Geological Survey
:
BGS_CMD_REF171
English
Geoscientific information
GEMET - INSPIRE themes, version 1.0:
SeaVoX Vertical Co-ordinate Coverages (L131):
SeaDataNet Parameter Discovery Vocabulary (P021):
Free:
-4.1516,
57.7433,
1.9813,
61.0860
Peterhead, Caithness, Bosies Bank, Rona, Orkney, Fair Isle, Bressay Bank, Judd, Foula, Shetland, Halibut Bank, Sando Bank, Flett, Miller, Cormorant, Faroe Shetland Basin, Northern North Sea, Scottish Continental Shelf, Atlantic North-West Approaches, Rockall Trough and Faeroe/Shetland Channel, NORWEGIAN SEA, NORTH SEA, NORTHEAST ATLANTIC OCEAN (40W)
publication: 1979-08-14
1979-07-10
-
1979-08-14
grid
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South,
Edinburgh,
EH14 4AP,
UK
tel: +44 (0)131 667 1000
email:
enquiries@bgs.ac.uk
Role: custodian
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South,
Edinburgh,
EH14 4AP,
UK
tel: +44 (0)131 667 1000
email:
offshoredata@bgs.ac.uk
Role: originator
Data Quality
Geophysical equipment types used included: Airgun/Sleeve Gun, Deep Tow Boomer, Echo Sounder, Gravimeter, Magnetometer, Pinger, Sparker, Transit Sonar and Water Gun. The survey was undertaken by British Geological Survey. Navigation: Magnavox satellite navigation system integrated with MX 610 doppler sonar. Decca Mk21 Main Chain. Equipment: Bolt 40, 20 and 10 cu.in airguns. Huntec deep tow boomer. Atlas Deso 10 echo sounder with hull mounted transducer and digital readout unit (Edig 10). LaCoste & Romberg air-sea gravity meters S75 and S40 (legs 1 and 2 only) with Monitor Labs 9400 data acquisition system. Two Barringer magnetometers. Edo Western 248 pinger with hull mounted transducers. IGS multi-element spark array and EG&G 9 candle and 3 candle spark arrays. MS47 side scan sonar. Sodera 80 cu.in watergun. Two 30m Geomechanique hydrophones and one 50m Geomechanique hydrophone. For more detailed information see the Cruise Report.
Minimal Distance:
5 urn:ogc:def:uom:EPSG::9001
INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of unknown theme
Constraints
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Metadata about metadata
abc9f747-53de-0f38-e044-0003ba9b0d98
British Geological Survey (BGS)
The Lyell Centre, Research Avenue South,
Edinburgh,
EH14 4AP,
UK
tel: +44 (0)131 667 1000
email:
enquiries@bgs.ac.uk
Role: point of contact
2024-04-24