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

Western Australian mining lease

M 77/990 · Koolyanobbing Iron

M 77/990 is a Western Australian mining lease held by YILGARN IRON PTY LTD (Yilgarn Iron Investments group). Granted 3 June 2003, expires 5 June 2045. 661 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: 6 April 2000
Granted: 3 June 2003
Expires: 5 June 2045
Area: 661.10 hectares (6.6 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
Cliffs ( ) Koolyanobbing Range F Deposit: approved 13 February 2017, Cliffs (2016) Koolyanobbing Range F Deposit Mining Proposal
Environmental registrations: 21 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 5.6 ha
Yilgarn Operations - Koolyanobbing Range F Deposit Approved (Ministerial Statement), MS 1054; overlaps 9.2 ha
Magellan Lead Carbonate Project, Wiluna Approved (Ministerial Statement), MS 905; overlaps 0.5 ha
Fire Management Strategies - track upgrading and chaining Not assessed; overlaps 661 ha
WAMEX data: 26 open-file drill holes, 90 exploration reports on this ground
Location: -30.823, 119.54585 (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
24 December 2020	Mining Proposal	MINING PROPOSAL FOR SMALL MINING OPERATIONS - Yilgarn Operations - Haul Road Tie-In and Infrastructure Upgrade Works - Revision 1	Approved	MP_91650.pdf
13 February 2017	Mining Proposal With Mine Closure Plan	Cliffs (2016) Koolyanobbing Range F Deposit Mining Proposal	Approved	mp_60651.pdf
14 July 2016	Mining Proposal	Cliffs (2016) Koolyanobbing K to A Deposits Water Transfer Mining Proposal	Approved	mp_59862.pdf
3 October 2013	Mining Proposal	Koolyanobbing Range Infrastructure Upgrades Mining Proposal	Approved	mp_40490.pdf
22 February 2013	Mining Proposal	Yilgarn Operations - Koolyanobbing Range A, B and C Deposits - Mining Act 1978 (WA) Revised A B C Pit Deepening Mining Proposal - Addendum to Notice of Intent 1303 Revision 2 Tenements M77/606, M77/607, M77/990 January 2013	Approved	mp_32064.pdf
14 January 2013	Mining Proposal	Yilgarn Operations - Koolyanobbing Drainage Works: Mining Act 1978 (WA) Revised Mining Proposal Addendum to Mining Proposal 1303 and 4409 Tenements M77/606, M77/6076 and M77/990 December 2012	Approved	mp_36320.pdf
13 December 2012	Mining Proposal	Reg ID 36829 - MP - Yilgarn Operations - Koolyanobbing Administration Area Upgrade - Mining Proposal Addendum to Notice of Intent 1303 and Notice of Intent 4409 - M77/990	Approved	mp_36298.pdf
10 May 2011	Mining Proposal	Koolyanobbing Extension to Ore Rom Pad, Stockpiling and Haulage Areas - Addendum to MP 2805 on M77/607, M77/611 and M77/990	Approved	mp_29876.pdf
19 November 2010	Mining Proposal	MP ADDENDUM - KOOLYANOBBING ROM EXTENSION	Approved	mp_28394.pdf
27 April 2007	Mining Proposal	KOOLYANOBBING - ROM PAD EXTENSION - M77/990	Approved	mp_5660.pdf
8 February 2007	Mining Proposal	KOOLYANOBBING-K DEPOSIT WASTE DUMP EXPANSION M77/606 M77/990	Approved	no public document
15 December 2003	Mining Proposal	KOOLYANOBBING / NORTHERN EXPANSION PROJECT	Approved	mp_4450.pdf
5 November 2003	Mining Proposal	KOOLYANOBBING / TRANSPORT CORRIDOR EXPANSION PROJECT	Approved	mp_4409.pdf

6 earlier registrations are in MINEDEX.

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