RRS John Murray JM1/68 Leg 4
Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RRS John Murray (74MJ) |
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Cruise identifier | JM1/68 Leg 4 |
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Cruise period | 1968-02-02 — 1968-02-12 |
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Status | Completed |
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Port of departure | Las Palmas, Spain |
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Port of return | Las Palmas, Spain |
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Purpose | Research |
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Objectives | Aims
1. Reconnaissance - geochemical/geological investigations of the NW African Shelf
2. refraction, seismic and other geophysical studies in the Canaries. |
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Chief scientist | J S Tooms (Imperial College London Department of Geology) |
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Cruise report | (12.08 MB) |
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Ocean/sea areas | |
General | North East Atlantic Ocean (limit 40W) |
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Specific | North West Africa Shelf |
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Measurements | |
Geology and geophysics | |
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Grab | Quantity: number of samples = 59 Description: sediment |
Core - rock | Quantity: number of samples = 16 Description: rock |
Bottom photography | Quantity: number of stations = 2 Description: camera, 1 at traverse V and 1 at VI |
Magnetic measurements | Description: magenetometer between traverses |
Other geological/geophysical measurements | Quantity: number of surveys = 4 Description: sparker traverse runs |