Brief description
The seismic reflection survey was undertaken by the Bureau of Mineral Resources on top of gravity and magnetic surveys in the Gippsland Lakes district, Victoria. The aim of the seismic survey is to convience the favourable structure to the accumulation of oil being present on the overlying Tertiary rocks. Two north-south traverses and one running east-west and crossing the other two were surveyed.Lineage
Maintenance and Update Frequency: asNeeded
Statement: During the early part of 1949 the Robert H. Ray Company conducted a gravity survey of the Gippsland Lakes district,
Victoria, on behalf of Lakes Oil Ltd. Additional gravity work has since been done by the Bureau of lunera1 Resources, Geology and Geophysics, which also covered the area with an airborne magnetometer survey during 1951. These surveys are part of the recent programme of oil exploration undertaken in that area by Lakes Oil Ltd and the Bureau.
Both surveys showed an anomaly immediately to the north of Lake Wellington, the magnetic anomaly being a little displaced to the north-west of the gravity anomaly. The size and nature of the magnetic anomaly suggested that it might be due to rocks with higher than normal magnetic susceptibility in the basement complex. The gravity anomaly might be due to a buried hill in the Jurassic or basement, perhaps associated with the same feature which is responsible for the magnetic anomaly. Such a buried hill could result in a geological structure favourable to the accumulation of oil being present in the overlying Tertiary rocks, and in order to test whether or not a favourable structure existed a seismic reflection survey was undertaken by the Bureau.
Victoria, on behalf of Lakes Oil Ltd. Additional gravity work has since been done by the Bureau of lunera1 Resources, Geology and Geophysics, which also covered the area with an airborne magnetometer survey during 1951. These surveys are part of the recent programme of oil exploration undertaken in that area by Lakes Oil Ltd and the Bureau.
Both surveys showed an anomaly immediately to the north of Lake Wellington, the magnetic anomaly being a little displaced to the north-west of the gravity anomaly. The size and nature of the magnetic anomaly suggested that it might be due to rocks with higher than normal magnetic susceptibility in the basement complex. The gravity anomaly might be due to a buried hill in the Jurassic or basement, perhaps associated with the same feature which is responsible for the magnetic anomaly. Such a buried hill could result in a geological structure favourable to the accumulation of oil being present in the overlying Tertiary rocks, and in order to test whether or not a favourable structure existed a seismic reflection survey was undertaken by the Bureau.
Issued: 1952
Data time period: 1952-01-16 to 1952-02-28
text: westlimit=147.5; southlimit=-38.75; eastlimit=148; northlimit=-38.5
Subjects
AU-VIC |
Earth Sciences |
Geophysics |
HVC_144637 |
Published_External |
Seismic Data |
Seismology and Seismic Exploration |
geophysics |
geoscientificInformation |
petroleum exploration |
seismic reflection |
seismic sections |
seismic velocity |
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Other Information
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Identifiers
- URI : pid.geoscience.gov.au/dataset/ga/76365
- global : de4ecded-0878-7494-e044-00144fdd4fa6
