Data as at 18 October 2026 · from Western Australian Government registers and open data

Western Australian mining lease

M 77/1249 · Koolyanobbing Iron

M 77/1249 is a Western Australian mining lease held by YILGARN IRON PTY LTD (Yilgarn Iron Investments group). Granted 22 July 2010, expires 21 July 2031. 128 ha in the Yilgarn Mineral Field. Commodities: Iron. Part of the Koolyanobbing Iron project (operating).

Type: Mining lease
Status: Granted
Holder: YILGARN IRON PTY LTD
Parent group: Yilgarn Iron Investments (a subsidiary)
MINEDEX project: Koolyanobbing Iron J00559 · Operating
Owners: Yilgarn Iron Investments Pty Ltd 100%; Yilgarn Iron Pty Ltd; Deterra Royalties Limited
Lodged: 10 September 2009
Granted: 22 July 2010
Expires: 21 July 2031
Area: 127.90 hectares (1.3 km²)
Mineral field: Yilgarn 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: YILGARN OPERATIONS (Koolyanobbing Iron Project): approved 10 July 2024, MINE CLOSURE PLAN - YILGARN OPERATIONS (Koolyanobbing Iron Project) - J00559
YILGARN OPERATIONS - Koolyanobbing Group: approved 15 July 2021, YILGARN OPERATIONS - MINE CLOSURE PLAN - Revision 3 - Koolyanobbing Group - 2021
Environmental registrations: 4 mining proposal and closure plan registrations (MINEDEX)
EPA Ministerial Statements: MS 1054, MS 907, MS 843, MS 802, MS 627
EPA referred proposals: Yilgarn Operations – Windarling Range, Mt Jackson Range And Deception Deposit Approved (Ministerial Statement), MS 982; overlaps 38 ha
Marda Gold Project Not assessed; overlaps 128 ha
Fire Management Strategies - track upgrading and chaining Not assessed; overlaps 128 ha
WAMEX data: 69 exploration reports on this ground
Location: -30.23215, 119.1716 (centre)

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Mining proposals and mine closure plans

Date	Registration	Title	Status	Document (GeoDocs)
10 July 2024	Mine Closure Plan	MINE CLOSURE PLAN - YILGARN OPERATIONS (Koolyanobbing Iron Project) - J00559	Approved	MCP_118307.pdf
15 July 2021	Mine Closure Plan	YILGARN OPERATIONS - MINE CLOSURE PLAN - Revision 3 - Koolyanobbing Group - 2021	Approved	MCP_77710.pdf
31 January 2014	Mining Proposal	Mt Jackson J1 Pit Dewatering Discharge to J2 Pit	Approved	mp_45398.pdf
7 December 2010	Mining Proposal	REVISED MP - KOOLYANOBBING IRON ORE PROJECT - MT JACKSON J1 DEPOSIT	Approved	mp_28395.pdf

Registrations from MINEDEX (DMPE); the documents are the operators' own, linked on GeoDocs and not copied.