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L041 Timbury Hills No. 2 Bore Seismic survey, QLD, 1960

Created 17/10/2025

Updated 17/10/2025

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On 30th March 1960, a seismic velocity survey was made in the A.A.O. Timbury Hills No. 2 bore, jointly by the Bureau of Mineral Resources and Associated Australian Oilfields N.L. The bore had been drilled to a depth of 4400 ft and was surveyed to a depth of 4304 ft below the rotary table. There remains a doubt whether the breaks recorded on the well geephone were, in fact, cable breaks, particularly between 2300 and 3305 ft below the rotary table. The interpretation has boon made with the belief that true breaks wore recorded. Average and interval velocities were computed and are acceptable geologically. Sandstones, particularly cemented ones, have Renerally higher velocities than shale. The average velocity of the Mesozoic sequence is about 9800 ft/sec. A velocity of 17,980 ft/sec was measured at the bottom of the bore and corresponds to the Timbury Hills Formation of unknown age. The Moolayember Shale has a low velocity calculated as 8360 ft/sec.

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Field Value
Title L041 Timbury Hills No. 2 Bore Seismic survey, QLD, 1960
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/4b3b2510-4587-4d53-af58-9b23860046de
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 30/03/1960 - 30/03/1960
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        148.75,
        -27.0
      ],
      [
        149.25,
        -27.0
      ],
      [
        149.25,
        -26.5
      ],
      [
        148.75,
        -26.5
      ],
      [
        148.75,
        -27.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "L041 Timbury Hills No. 2 Bore Seismic survey, QLD, 1960". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/l041-timbury-hills-no-2-bore-seismic-survey-qld-1960