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Morphology of lag in the Cobar region, New South Wales

Created 17/10/2025

Updated 17/10/2025

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Lags from the Cobar region are divided into three broad morphological categories: those with a rough, blocky, lithic morphology, where fabrics of the parent rock are partially preserved, and which evolved predominantly in erosional landforms; a smoother pisoid lag, with well-developed varnish or polish, which is most abundant in deeply weathered, erosional and depositional landforms-internal textures include material of both residual and detrital origins; and miscellaneous detrital lag. Evolutionary patterns of the lag are based on relationships between landform, lag textures and iron oxide accumulations in exposed portions of the weathered profile. These genetic features may provide a firmer basis for the use of lag-based geochemical exploration techniques in the Cobar region and other areas with similar weathering and erosional histories.

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Additional Info

Field Value
Title Morphology of lag in the Cobar region, New South Wales
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/8f6dd07e-05f4-4d95-99d8-4f1da4a15587
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        145.25,
        -32.5
      ],
      [
        146.75,
        -32.5
      ],
      [
        146.75,
        -30.75
      ],
      [
        145.25,
        -30.75
      ],
      [
        145.25,
        -32.5
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Morphology of lag in the Cobar region, New South Wales". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/morphology-of-lag-in-the-cobar-region-new-south-wales