Cruise inventory

Sperus 7/77 Leg 11

Cruise summary report

Cruise Info. 
Ship name (ship code)Sperus (74TJ)
Cruise identifier7/77 Leg 11
Cruise period1977-08-26 — 1977-09-05
Port of departureLerwick, United Kingdom
Port of returnDundee, United Kingdom
ObjectivesGeological and geophysical mapping of the UK Continental Shelf.

Little work was achieved due to bad weather. Gravity measurements were made on all lines which will be incorporated in a gravity map of the North Sea.
Chief scientistMichael C Tully (Institute of Geological Sciences, Edinburgh)
Cruise reportSperus 7/77 Leg 11 cruise report sperus7_77.pdf — access key 'C' (18.20 MB) 
Ocean/sea areas 
GeneralNorth Sea
Norwegian Sea
North East Atlantic Ocean (limit 40W)
SpecificNorth Sea
Track chartsSperus 7/77 Leg 11 cruise track — sperus7_77_geology.pdf (0.39 MB)  Sperus 7/77 Leg 11 cruise track — sperus7_77_lines1-10.pdf (0.21 MB)  Sperus 7/77 Leg 11 cruise track — sperus7_77_lines12-108.pdf (0.70 MB) 
Geology and geophysics 
Single-beam echosoundingDescription: regional geophysical survey
Long/short range side scan sonarDescription: regional geophysical survey
Single channel seismic reflectionDescription: pinger; regional geophysical survey
Multichannel seismic reflectionDescription: wide angle reflection.Format: seismic graphic recorder. Regional geophysical survey
Gravity measurementsDescription: regional geophysical survey
Magnetic measurementsDescription: regional geophysical survey