Comprises details of the operations, field acquisition, results and interpretation of the seismic and gravity survey. A total of 487 miles of seismic data was recorded; almost entirely conventional, one instance of CDP and one refraction profile. The survey aimed to explore anomalies discovered previously and to improve the geological and structural understanding of the basin. The concurrent gravity survey was carried out to aid interpretation of seismic data and to help delineate areas for further exploration (see App. 4). Several small structures on an elongated ridge, one sizable structure and several small separate structures are outlined; some may be drillable.