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

Western Australian mining project · Operating

Koolyanobbing Iron

Koolyanobbing Iron is a Western Australian mining project (operating) in MINEDEX, owned by Yilgarn Iron Investments Pty Ltd 100%; Yilgarn Iron Pty Ltd; Deterra Royalties Limited, on 42 current tenements held by FARSIDE RESOURCES PTY LTD; MARDA OPERATIONS PTY LTD; YILGARN IRON PTY LTD. Commodities: Iron, Manganese, Gold, Silver.

MINEDEX project: J00559
Stage: Operating
Owners (MINEDEX): Yilgarn Iron Investments Pty Ltd 100%; Yilgarn Iron Pty Ltd; Deterra Royalties Limited
Tenement holders: FARSIDE RESOURCES PTY LTD
MARDA OPERATIONS PTY LTD
YILGARN IRON PTY LTD
Parent groups: Leeuwin Metals
Yilgarn Iron Investments
Commodities: Iron, Manganese, Gold, Silver
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

Resources and reserves

Commodity	Resources	Reserves	Latest estimate
Iron	74 Mt at 58.4%, 43.2 Mt contained	24 Mt at 58.9%, 14.2 Mt contained	30 June 2019

Current MINEDEX estimates over all the project's sites; resources may include reserves. MINEDEX (DMPE), CC BY 4.0.

Production recorded in MINEDEX

Commodity	Latest year	That year	All recorded
Iron	1981	3,000 t	1.2 Mt

Historical: the bulk extract's production records end in 2002.

Mine closure plans

Site	Operator	Latest plan approved	Plan (PDF on GeoDocs)	Closure year
YILGARN OPERATIONS (Koolyanobbing Iron Project)	MINERAL RESOURCES Limited	10 July 2024	MINE CLOSURE PLAN - YILGARN OPERATIONS (Koolyanobbing Iron Project) - J00559	2012
YILGARN OPERATIONS - Koolyanobbing Group	YILGARN IRON Pty Ltd	15 July 2021	YILGARN OPERATIONS - MINE CLOSURE PLAN - Revision 3 - Koolyanobbing Group - 2021	2021
Cliffs ( ) Koolyanobbing Range F Deposit	Cliffs Asia Pacific Iron Ore Pty Limited	13 February 2017	Cliffs (2016) Koolyanobbing Range F Deposit Mining Proposal
Yilgarn Operations Deception Deposit	Cliffs Asia Pacific Iron Ore Pty Limited	21 February 2013	Yilgarn Operations Deception Deposit
J4 IRON ORE PROJECT (PART OF CARINA-YILGARN ENV GROUP)	Polaris Metals Pty Limited	1 December 2017	MINE CLOSURE PLAN - J4 IRON ORE PROJECT (PART OF CARINA-YILGARN ENV GROUP) - VERSION 2
MINE CLOSURE PLAN - CARINA OPERATIONS - REVISION 1.0 - J03423 - S0223199	MINERAL RESOURCES Limited

EPA Ministerial Statements

MS 1202 Parker Range (Mt Caudan) Iron Ore Haul Road Proposal, MS 1054 Yilgarn Operations, Koolyanobbing Range F Deposit, MS 988 Jackson 4 (J4) Iron Ore Mine and Haul Road on M77/1242, L77/250, L77/252 and L77/25, MS 907 Windarling Range W3/5 Deposit Deepening, MS 892 Parker Range (Mount Caudan) Iron Ore Project, MS 852 Carina Iron Ore Mine, MS 843 Koolyanobbing Iron Ore Project – Mt Jackson J1 Deposit, MS 802 Koolyanobbing Iron Ore Project, Windarling W2 pit mining below the groundwater table, MS 627 Koolyanobbing Iron Ore Expansion

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 77/606 Mining lease	YILGARN IRON PTY LTD	Granted	21 September 2035	Iron	585
M 77/607 Mining lease	YILGARN IRON PTY LTD	Granted	21 September 2035	Iron	972
M 77/611 Mining lease	YILGARN IRON PTY LTD	Granted	21 September 2035	Iron	121
M 77/988 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045		137
M 77/989 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron, Manganese	979
M 77/990 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	661
M 77/993 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	935
M 77/994 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	760
M 77/996 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	304
M 77/997 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	822
M 77/998 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	886
M 77/999 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	738
M 77/1000 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	961
M 77/1001 Mining lease	YILGARN IRON PTY LTD	Granted	5 June 2045	Iron	986
M 77/1038 Mining lease	YILGARN IRON PTY LTD	Granted	17 December 2045	Iron	978
M 77/1039 Mining lease	YILGARN IRON PTY LTD	Granted	17 December 2045	Iron	961
M 77/1040 Mining lease	YILGARN IRON PTY LTD	Granted	17 December 2045	Iron	482
M 77/1109 Mining lease	YILGARN IRON PTY LTD	Granted	28 March 2028	Iron	296
M 77/1248 Mining lease	YILGARN IRON PTY LTD	Granted	21 July 2031	Iron	12
M 77/1249 Mining lease	YILGARN IRON PTY LTD	Granted	21 July 2031	Iron	128
M 77/1257 Mining lease	YILGARN IRON PTY LTD	Granted	12 October 2032	Iron	43
M 77/1258 Mining lease	YILGARN IRON PTY LTD	Granted	12 October 2032	Iron	495
M 77/1259 Mining lease	YILGARN IRON PTY LTD	Granted	12 October 2032	Iron, Gold	796
M 77/1278 Mining lease	YILGARN IRON PTY LTD	Granted	4 October 2036	Iron, Manganese	754
L 77/143 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	8 February 2030	Iron	4
L 77/153 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	30 October 2030	Iron	2
L 77/184 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	2 June 2045	Iron	1,349
L 77/187 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	4 January 2046	Iron	2
L 77/188 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	4 January 2046	Iron	73
L 77/190 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	4 January 2046	Iron	16
L 77/191 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	4 January 2046	Iron	6
L 77/192 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	23 February 2046	Iron	1
L 77/195 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	18 July 2047	Iron	309
L 77/201 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	8 December 2047	Iron	8
L 77/214 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	2 July 2030	Gold, Silver	151
L 77/216 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	3 March 2031	Iron	74
L 77/235 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	12 July 2033	Iron	222
L 77/250 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	29 October 2035	Iron	77
L 77/252 Miscellaneous licence	YILGARN IRON PTY LTD	Granted	4 December 2035	Iron	594
E 77/1322 Exploration licence	MARDA OPERATIONS PTY LTD	Granted	17 January 2027	Iron, Gold, Silver	6,870
E 77/2109 Exploration licence	MARDA OPERATIONS PTY LTD	Granted	28 July 2027	Gold, Iron	1,131
E 77/2569 Exploration licence	FARSIDE RESOURCES PTY LTD	Granted	6 March 2029	Iron	2,370