Data as at 18 October 2026 · from Western Australian Government registers and open data
Western Australian mining lease
M 59/339 · Mt Gibson Iron
M 59/339 is a Western Australian mining lease held by EXTENSION HILL PTY LTD (Asia Iron Holdings (CCMD 60%, Sinom 40%) group). Granted 22 August 1994, expires 31 August 2036. 636 ha in the Yalgoo Mineral Field. Commodities: Iron. Part of the Mt Gibson Iron project (operating).
- Type
- Mining lease
- Status
- Granted
- Holder
- EXTENSION HILL PTY LTD
- Parent group
- Asia Iron Holdings (CCMD 60%, Sinom 40%) (a subsidiary)
- MINEDEX project
- Mt Gibson Iron J00596 · OperatingOwners: Extension Hill Pty Ltd 100%; Chongqing Chonggang Minerals Development Investment (CCMD); Asia Iron Australia Pty Ltd
- Lodged
- 20 May 1994
- Granted
- 22 August 1994
- Expires
- 31 August 2036
- Area
- 636.10 hectares (6.4 km²)
- Mineral field
- Yalgoo Mineral Field
- Commodities
- Iron
- Rehabilitation liability
- Its rehabilitation liability is in the MCF Mining Index (subscribers): the Mining Rehabilitation Fund estimate, its trend since 2014, company provisions and closure-plan costs
- Mine closure plan
- IRON HILL DEPOSITS HEMATITE OPERATION: approved 19 September 2025, MINE CLOSURE PLAN - IRON HILL DEPOSITS HEMATITE OPERATION - J00596 - S0241848
Iron Hill Deposits Hematite Operations: approved 21 December 2020, Mine Closure Plan - Iron Hill Deposits Hematite Operations - Version 5.1
Mount Gibson Mining Limited, Iron Hill Hematite Project , M59/0338, M59/0339, M59/0454, M59/0526, M59/0609 (granted), L59/0087 (granted).: approved 21 December 2016, Mount Gibson Mining Limited, Iron Hill Hematite Project Mining Proposal December 2016, M59 - Environmental registrations
- 11 mining proposal and closure plan registrations (MINEDEX)
- EPA referred proposals
- Mt Gibson Iron Ore Mine and Infrastructure Project Approved (Ministerial Statement), MS 753; overlaps 486 ha
- WAMEX data
- 1,091 open-file drill holes, 70 exploration reports on this ground
- Location
- -29.56895, 117.16325 (centre)
Mining proposals and mine closure plans
| Date | Registration | Title | Status | Document (GeoDocs) |
|---|---|---|---|---|
| 19 September 2025 | Mine Closure Plan | MINE CLOSURE PLAN - IRON HILL DEPOSITS HEMATITE OPERATION - J00596 - S0241848 | Approved | MCP_123937.pdf |
| 4 October 2024 | Mining Proposal | Mining Proposal for Small Mining Operations: Mining Proposal for Small Mining Operations: Extension Hill Hematite Project - ROM Pad Expansion | Approved | MP_126660.pdf |
| 21 December 2020 | Mine Closure Plan | Mine Closure Plan - Iron Hill Deposits Hematite Operations - Version 5.1 | Approved | MCP_71487.pdf |
| 6 July 2020 | Mining Proposal | Extension Hill Hematite Project - Addendum to Mining Proposal | Approved | MP_80140.pdf |
| 1 March 2018 | Mining Proposal | Iron Hill Deposits Hematite Project Mining Proposal Revision 5 Addendum November 2017 M59/0338, M59/0339, M59/0454, M59/0455, M59/0526, M59/0609 (granted) L59/0087 (granted), L59/0088, G59/50 (granted) | Approved | mp_71397.pdf |
| 5 January 2018 | Mining Proposal | Mount Gibson Mining Limited Extension Hill Hematite Project Revised Addendum to Mining Proposal 23 December 2017 Version C Registration ID: 69585 | Approved | mp_69585.pdf |
| 11 May 2017 | Mining Proposal | Extension Hill Hematite Project Addendum to Mining Proposal | Approved | mp_66192.pdf |
| 27 February 2017 | Mining Proposal | Mount Gibson Mining Iron Hill Deposits Hematite Project Mining Proposal Reg ID 58126 Revision 4 -Mining Proposal Addendum February 2017 | Approved | mp_64111.pdf |
| 21 December 2016 | Mining Proposal With Mine Closure Plan | Mount Gibson Mining Limited, Iron Hill Hematite Project Mining Proposal December 2016, M59/0338, M59/0339, M59/0454, M59/0526, M59/0609 (granted), L59/0087 (granted). | Approved | mp_58126.pdf |
| 17 February 2016 | Mine Closure Plan | Mine Closure Plan Extension Hill Hematite Operations Mineral Field Number(s): 59 Version 2 Date of Submission 5 February 2015 | Approved | mcp_52139.pdf |
| 2 July 2014 | Mining Proposal | Extension Hill Hematite Project Addendum to Mining Proposal 30 May 2014 | Approved | mp_48322.pdf |
Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.
MCF Mining Approvals Index