Sperus 12/79
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | Sperus (74TJ) |
| Cruise identifier | 12/79 |
| Cruise period | 1979-05-07 — 1979-06-06 |
| Status | Completed |
| Port of departure | Amsterdam, Netherlands |
| Port of return | Plymouth, United Kingdom |
| Purpose | Research |
| Objectives | Geology
The two legs of this survey were designed to infill the regional coverage obtained in 1978 in the area between 50°10'N - 48°N, 11°W - 7°W and to run a number of lines on the Haig Fras sheet of IGS 1:250,000 map series using shallow seismic profiling, gravity and magnetic methods. In addition, a detailed survey of part of the area was to be run using the Huntec Deep Tow Boomer system. |
| Chief scientist | Michael C Tully (Institute of Geological Sciences, Edinburgh) |
| Cruise report |  (6.91 MB) |
| Ocean/sea areas | |
| General | English Channel Celtic Sea |
| Track charts |  |
| Measurements | |
| Geology and geophysics | |
| Single-beam echosounding | Quantity: track kilometres = 2552 |
| Single channel seismic reflection | Quantity: track kilometres = 2158 Description: format 0 is seismic analogue paper record |
| Seismic refraction | Quantity: track kilometres = 1698.284 Description: sparker.917nm airgun.450nm boomer.Format 0 is seismic analogue paper record |
| Gravity measurements | Quantity: track kilometres = 2552.056 |
| Magnetic measurements | Quantity: track kilometres = 2552.056 |
