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

Western Australian mining lease

M 77/606 · Koolyanobbing Iron

M 77/606 is a Western Australian mining lease held by YILGARN IRON PTY LTD (Yilgarn Iron Investments group). Granted 14 September 1993, expires 21 September 2035. 585 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: 5 March 1993
Granted: 14 September 1993
Expires: 21 September 2035
Area: 585.10 hectares (5.9 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: 12 mining proposal and closure plan registrations (MINEDEX)
EPA Ministerial Statements: MS 1054, MS 907, MS 843, MS 802, MS 627
EPA referred proposals: Fire Management Strategies - track upgrading and chaining Not assessed; overlaps 585 ha
WAMEX data: 117 open-file drill holes, 98 exploration reports on this ground
Location: -30.79245, 119.51955 (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 June 2022	Mining Proposal	Koolyanobbing K-Pit Extension Mining Proposal - Part 2	Approved	MP_102010.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
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
8 February 2007	Mining Proposal	KOOLYANOBBING-K DEPOSIT WASTE DUMP EXPANSION M77/606 M77/990	Approved	no public document
18 May 1999	Mining Proposal	KOOLYANOBBING DEWATERING OF K PIT	Approved	mp_3052.pdf
8 October 1993	Mining Proposal	KOOLYANOBBING REDEVELOPMENT AMENDMENT	Approved	mp_14839.pdf
18 August 1993	Mining Proposal	KOOLYANOBBING REDEVELOPMENT	Approved	mp_1303.pdf

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