L075 Southern Georgina Basin seismic survey, NT, QLD, 1965

Following a month of preliminary experimental seismic work in the latter part.of 1964 the Bureau of Mineral Resources carried out a reconnaissance seismic survey of the southern part of the Georgina Basin, mainly in the Northern Territory, from April to October 1965. In most areas reflections proved very difficult to obtain. A number of different techniques were tried, including various shot andgeophone pattern arrangements, noise testing,collinear offset shooting, airshooting and multiple coverage, but no technique was found which was generally successful in providing useful reflections. The seismic results tended to confirm gravity indications that there is a shelf area between BMR 12 Bore and Tobermory and provided no indications that there are deep Palaeozoic troughs similar to the Toko -Syncline in the survey area.

1964年下半年开展为期一个月的地震预试验工作后，矿产资源局（Bureau of Mineral Resources）于1965年4月至10月，对主要位于北领地（Northern Territory）的乔治娜盆地（Georgina Basin）南部区域开展了地震概查。绝大多数区域均难以获取有效反射地震波。研究团队尝试了多种勘探技术，包括各类震源与检波器排列方案、噪声测试、共线偏移距放炮、航空激发放炮以及多次覆盖技术，但未发现任何一种可稳定获取有效反射波的通用方法。本次地震勘探结果佐证了重力勘探的指示结论：在BMR 12号钻孔与托伯莫里（Tobermory）之间存在一处沉积台地区域；且未发现调查区内存在类似Toko向斜的古生代深槽。