RRS John Murray JM12/77_Leg1
Cruise summary report
Cruise Info. | |
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Ship name (ship code) | RRS John Murray (74MJ) |
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Cruise identifier | JM12/77_Leg1 |
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Cruise period | 1977-09-27 — 1977-10-10 |
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Status | Completed |
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Port of departure | Barry, United Kingdom |
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Port of return | Aberdeen, United Kingdom |
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Purpose | Research |
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Objectives | Devoted to natural radioactivity and neutron activation surveys in the Western English Channel. |
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Chief scientist | J M Miller (Institute of Geological Sciences, Keyworth) |
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Cruise report | (0.11 MB) |
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Ocean/sea areas | |
General | Bay of Biscay |
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Track charts | |
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Measurements | |
Geology and geophysics | |
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Core - rock | Quantity: number of cores = 6 |
Multi-beam echosounding | Quantity: track kilometres = 507 |
Long/short range side scan sonar | Quantity: track kilometres = 507 Description: MS47 |
Single channel seismic reflection | Quantity: track kilometres = 507 Description: Pinger |
Seismic refraction | Quantity: track kilometres = 507 Description: Sparker |
Other geological/geophysical measurements | Quantity: track kilometres = 507 Description: Seabed gamma spectrometry |
Other geological/geophysical measurements | Quantity: track kilometres = 507 Description: Seabed neutron activation,(first sea trial of towed seabed neuton act.spec) |