MV Briarthorn 4/74_3

Cruise summary report

Cruise Info. 
Ship name (ship code)MV Briarthorn (74B6)
Cruise identifier4/74_3
Cruise period1974-09-06 — 1974-09-19
Port of departureLerwick, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives74/4 Leg 3
The aim of this leg of the survey was to run sparker, magnetic, transit sonar and pinger traverses in the areas north-west of the Orkneys and east of the Shetlands, completing earlier IGS work in the areas.
Chief scientistA Dobinson (Institute of Geological Sciences, Edinburgh)
Cruise reportMV Briarthorn 4/74_3 cruise report briarthorn4_74.pdf (0.40 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
Geology and geophysics 
Long/short range side scan sonarQuantity: track kilometres = 9093
Single channel seismic reflectionQuantity: track kilometres = 8130
Magnetic measurementsQuantity: track kilometres = 7778.4