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NSW Seamless Geology NE (Z56) Bedrock Exposure

Created 25/06/2025

Updated 17/08/2025

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Areas where solid rock has become exposed to the surface in NSW Zone 56 (from 150°E to east coast). It is used to assist in field mapping. As part of the Geological Survey of NSW Seamless Geology Project, a Bedrock Exposure map of NSW UTM Zone 56 has been created through combining aspects of: (i) Office of Environmental Heritage soil data; (ii) CSIRO depth of regolith dataset and; (iii) the Geological Survey of NSW field observation and structural point dataset. The bedrock exposure map was created to provide a reliable, spatial approximation of exposed bedrock, so as to benefit field mapping. The current maps provided in the UTM Zone 56 Seamless Geodatabase overestimate the amount of exposed bedrock, and therefore, provide only an approximate indication to the location of outcropping basement rocks. The map was created by: (i) using the CSIRO National Soil and Landscape Grid as a base map, and; (ii) refining this by clipping out GSNSW Field Observations, which represent areas of known outcrop. The final result shows the location of estimated and known outcrop.

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Additional Info

Field Value
Title NSW Seamless Geology NE (Z56) Bedrock Exposure
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/dataset/c586114f-c060-4b3d-97ce-79e630748feb
Remote Last Updated 23/05/2025
Contact Point
Department of Primary Industries and Regional Development (DPIRD)
?datansw@customerservice.nsw.gov.au
Reference Period 07/01/2015
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        141,
        -37.7
      ],
      [
        141,
        -28.8
      ],
      [
        154,
        -28.8
      ],
      [
        154,
        -37.7
      ],
      [
        141,
        -37.7
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal DataNSW

Data Source

This dataset was originally found on DataNSW "NSW Seamless Geology NE (Z56) Bedrock Exposure". Please visit the source to access the original metadata of the dataset:
https://data.nsw.gov.au/data/dataset/nsw-nsw-seamless-geology-ne-z56-bedrock-exposure