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Shallow inter-reefal structure of the Capricorn group, southern Great Barrier Reef

Created 17/10/2025

Updated 17/10/2025

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276 km of continuous seismic reflection profiles have been obtained from the inter-reef areas of the Capricorn Reefs. Five reflectors were identified, three being widespread: reflector A, the shallowest, is found only close to modern reefs; reflector C is widespread and varies from flat-lying to irregular; the deepest reflector, D, is limited to the area north and west of Heron Island, where it is flat-lying. All the reflectors are assumed to represent erosional surfaces, and the ages of the intervening sequences are not known. Either reflector C, or the present sea bottom and reflector A, represent the surface of the Holocene transgression.

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Additional Info

Field Value
Title Shallow inter-reefal structure of the Capricorn group, southern Great Barrier Reef
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/17bcbf62-32e2-473e-ba33-e5991f0ead0a
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        151.5,
        -23.75
      ],
      [
        152.25,
        -23.75
      ],
      [
        152.25,
        -23.2
      ],
      [
        151.5,
        -23.2
      ],
      [
        151.5,
        -23.75
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Shallow inter-reefal structure of the Capricorn group, southern Great Barrier Reef". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/shallow-inter-reefal-structure-of-the-capricorn-group-southern-great-barrier-reef1