Resource Iron ore (magnetite and hematite)
CompanyOneSteel Manufacturing Pty Ltd trading as SIMEC Mining Group
Status Operating
Mining operation

Open-cut mines in the Middleback Ranges producing magnetite ore for steel production and hematite ore for export, blended fines and pellets also shipping to Port Kembla and Newcastle in New South Wales

Location Middleback Ranges, southwest of Whyalla, Eyre Peninsulamiddleback_range_blue
Tenement information

The Middleback Ranges Project comprises a number of tenements which are broadly considered under different mining areas.

Mining is undertaken in three areas with multiple pits, including:

  • South Middleback Ranges (SMR) mining area
  • Iron Baron mining area
  • Iron Knob mining area

Download map showing Middleback Ranges tenements via the South Australian Resources Information Gateway (SARIG).

The deposit

Magnetite and hematite deposits within the Middleback Ranges (part of the Cleve sub-domain of the Gawler Craton, comprised primarily of Early Proterozoic metasediments of the Hutchison Group)

Resource estimates and production estimates

Company released resource estimates and production statistics for South Australia's major operating and approved mines are summarised in South Australia's major operating/approved mines: resources estimates and production statistics (PDF)

Approval process

Programs for environment protection and rehabilitation have been submitted and approved for each mining area

Current documents

Recent mining proposals

Program for environment protection and rehabilitation (PEPR)