A Cambridge expedition was in Svalbard during late June, July and August 1977 and undertook geological field work concerning late Precambrian/Palaeozoic stratigraphy. One party of the expedition completed a small scale exploration drilling contract for a German industrial concern. Members of the expedition were: W. B. Harland (leader, geologist); C. A. G. Pickton (geologist/driller with Party D); N. J. R. Wright (Party D, geologist); K. Swett and D. Johnson (Party A, geologists from the University of Iowa); M. J. Hambrey and P. Waddams (Party C, geologists); S. R. Larter and B. Bowler (Party D, drillers/geoscientists from the University of Newcastle); J. Gammage, R. Hanks, D. Burkitt, P. Doughty, and G. Thwaites (Party B, boat captains and crews). The activities of the expedition were divided into two phases.