About the application

• Application submitted by OneSteel Manufacturing Pty Limited operating as SIMEC Mining (Administrators Appointed) (ACN 004 651 325)
• Application - Mining Lease
• Project Name – Ardrossan Dolomite Quarry
• Purpose - Industrial Minerals - Dolomite
• Reference - MLA-01063

Location and area

• Ardrossan area, approximately 20 km east of Maitland
• Approximately 38.95 hectares

Document for public comment

The application for a Mining Lease submitted by OneSteel Manufacturing Pty Limited operating as SIMEC Mining (Administrators Appointed) can be viewed via:

• Ardrossan Dolomite Quarry  Mining Proposal (PDF 83.8MB)

Making a submission

The Minister for Energy and Mining invites members of the public to make written submissions in relation to this application for a Mining Lease.

Written submissions become a public record. The submission will be provided to the applicant and may be made available for public inspection.

• Information and guidelines on what to consider when making  a submission

If you make a written submission, you will receive written notification on the final decision to grant or refuse the application.

Closing date for comments

Closing date for comments: 2 June 2026

More information

Contact the Mining Regulation Branch, Department for Energy and Mining via email: DEM.MiningRegRehab@sa.gov.au