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Manganese deposits near Ragged Hills, Gregory Range, North-West Division, Western Australia

Created 17/10/2025

Updated 17/10/2025

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Manganese deposits in the Gregory Range, Western Australia were examined and mapped by officers of the Geological Survey of Western Australia and the Bureau of Mineral Resources jointly. The investigation indicated the presence of 93,000 tons of manganese ore distributed between 37 separate bodies contained in 13 groups. Numerous small bodies each containing less than 200 tons of ore have not been included in the tonnage estimate. The grade determined by chip sampling the surfaces of the outcrops is generally high. The range of composition of samples is: [see table in record]. The deposits occur as replacements of silicified bands in dolomitic limestone and as fillings of irregular cavities in the limestone. A few thin deposits in the south-eastern sector of the field overlie quartzose rocks.

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Additional Info

Field Value
Title Manganese deposits near Ragged Hills, Gregory Range, North-West Division, Western Australia
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/6745d9bf-9f80-408d-81ea-ad0d38d11183
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        121.0,
        -21.9
      ],
      [
        121.7,
        -21.9
      ],
      [
        121.7,
        -21.2
      ],
      [
        121.0,
        -21.2
      ],
      [
        121.0,
        -21.9
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Manganese deposits near Ragged Hills, Gregory Range, North-West Division, Western Australia". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/manganese-deposits-near-ragged-hills-gregory-range-north-west-division-western-australia