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Report on mica deposits on Yinnietharra and Bidgemia stations, Gascoyne River, Western Australia

Created 17/10/2025

Updated 19/11/2025

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The presence of muscovite on Yinnietharra Station in commercial sizes and qualities has been known since 1913, but little active development was carried out in the locality until 1926, when a syndicate, formed in England, took up leases and began operations. Activity lapsed the following year, but desultory prospecting more recently has led to the production of a few small cases of spotted mica, some of which was sold in Melbourne in the early part of 1942. The deposits described hereunder are shown on the accompanying locality map, Plate 1. At this stage only brief references are made to deposits containing stained and spotted mica unsuitable for critical electrical or radio applications.

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Title Report on mica deposits on Yinnietharra and Bidgemia stations, Gascoyne River, Western Australia
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/ba9c6432-d167-40b9-9189-9e719349fc49
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 17/11/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        115.7,
        -25.0
      ],
      [
        116.6,
        -25.0
      ],
      [
        116.6,
        -24.2
      ],
      [
        115.7,
        -24.2
      ],
      [
        115.7,
        -25.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Report on mica deposits on Yinnietharra and Bidgemia stations, Gascoyne River, Western Australia". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/report-on-mica-deposits-on-yinnietharra-and-bidgemia-stations-gascoyne-river-western-australia