L022 La Grange seismic reflection survey, WA, 1955

A Seismic reflection survey was conducted by the Bureau of Mineral Resources during 1955 7 in the La Grange area of Western Australia. The object orthe Survey was to investigate the sedimentary development of the Canning Basin south of the Fenton Fault. A sedimentary section of at least 4,400 feet and possibly as much as 7,000 to 8,000 feet was indicated. Although no evidence of an angular unconformity was obtained, there is probably a change in the type of sedimentation at 2,760 feet.