RRS John Murray JM4/70 Leg1
Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RRS John Murray (74MJ) |
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Cruise identifier | JM4/70 Leg1 |
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Cruise period | 1970-04-23 — 1970-05-06 |
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Status | Completed |
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Port of departure | Barry, United Kingdom |
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Port of return | La Rochelle, France |
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Purpose | Research |
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Objectives | The prupose of this cruise was:
1. Carry out a gravity survey in the SE corner of the Bay of Biscay
2. Reverse a refraction line.
3. Carry out a two ship seismic experiment with the Florence of the Institut Francais du Petrole, France.
4. To test a Lamont type airgun to carry out a controlled seismic reflection profile with airgun over a reversed refraction line. |
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Chief scientist | F Gray (University of Cambridge Department of Earth Sciences) |
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Coordinating body | NERC |
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Cruise report | (0.28 MB) |
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Ocean/sea areas | |
General | Bay of Biscay |
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Specific | Bay of Biscay |
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Track charts | (0.02 MB) |
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Measurements | |
Meteorology | |
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Occasional standard measurements | |
Geology and geophysics | |
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Single channel seismic reflection | |
Seismic refraction | |
Gravity measurements | |
Magnetic measurements | |