Cruise inventory

RRS Discovery D177

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD177
Cruise period1988-08-26 — 1988-10-05
StatusCompleted
Port of departureSanta Cruz de Tenerife, Spain
Port of returnViana do Castelo, Portugal
PurposeResearch
Objectives1. To investigate the stratigraphy of the south and north sub-basins of the deep Madeira Abyssal Plain, for comparison with previous findings in the central sub-basin (also termed the Great Meteor East area).
2. To investigate the diagenesis and metal relocations in the upper sediments of the above basins and in the continuously accumulated sediments of the Madeira-Tore Rise.
3. To investigate the behaviour of the carbonate system in sediment pore waters above and below the carbonate lyscoline.
Chief scientistJohn Thomson (Institute of Oceanographic Sciences Wormley Laboratory)
Cruise reportRRS Discovery D177 cruise report d177.pdf — access key 'C' (0.75 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificMadeira Abyssal Plain, E Atlantic
Track chartsRRS Discovery D177 cruise track — trk3590.html
Measurements 
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 40
Description: 18 for water geochemistry
Single-beam echosoundingQuantity: track kilometres = 925
Description: bathymetry-narrow beam
Single channel seismic reflectionQuantity: track kilometres = 470