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

Western Australian mining project · Operating

Brockman 2 - Nammuldi - Silvergrass - Homestead / Rio Tinto

Brockman 2 - Nammuldi - Silvergrass - Homestead / Rio Tinto is a Western Australian mining project (operating) in MINEDEX, owned by Hamersley Iron Pty Ltd 100%, on 22 current tenements held by CENTRAL PILBARA SOUTH IRON ORE PTY LTD; HAMERSLEY IRON PTY. LIMITED; HAMERSLEY IRON-YANDI PTY LIMITED. Commodities: Iron, Manganese.

MINEDEX project: J03932
Stage: Operating
Owners (MINEDEX): Hamersley Iron Pty Ltd 100%
Tenement holders: CENTRAL PILBARA SOUTH IRON ORE PTY LTD
HAMERSLEY IRON PTY. LIMITED
HAMERSLEY IRON-YANDI PTY LIMITED
Parent groups: Rio Tinto
Commodities: Iron, Manganese
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	—	314 Mt at 61.7%, 194 Mt contained	31 December 2016

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

EPA Ministerial Statements

MS 1248 Hope Downs 2, MS 1246 Brockman Syncline Proposal, MS 1195 Greater Paraburdoo Iron Ore Hub Proposal, MS 1038 Yandicoogina Iron Ore Project – Pocket and Billiard South deposits, MS 1031 Western Turner Syncline Iron Ore Project - Revised Proposal, MS 1025 Hope Downs Iron Ore Mine, 75 Km North-West of Newman Pilbara Region - Baby Hope Proposal, MS 1020 Marandoo Iron Ore Project – Revised Proposal, MS 1000 Brockman Syncline 4 Iron Ore - Revised Proposal, MS 946 Western Turner Syncline Stage 2 – B1 and Section 17 Deposits, MS 925 Nammuldi-Silvergrass Expansion Project, MS 914 Yandicoogina Iron Ore Project - Expansion to include Junction South West and Oxbow Deposits, MS 876 Cape Lambert Port B development (s46), MS 867 Brockman 2 Detrital Iron Ore Mine Extension Phase 2B, MS 854 Hope Downs 4 Iron Ore Mine, MS 833 Marandoo Mine Phase 2, MS 807 Western Turner Syncline - Section 10 Iron Ore Mine, MS 717 Brockman Syncline 4 Iron Ore Project, MS 558 Nammuldi—Silvergrass Iron Ore Project, 55 km north-west of Tom Price, MS 523 Yandicoogina Iron Ore Mine and Railway East Hamersley Range (s46) [1265], MS 514 West Angelas Iron Ore Project, MS 417 Yandicoogina iron ore mine and railway, MS 286 Marandoo Iron Ore Mine and Central Pilbara Railway, MS 131 Proposed Brockman No. 2 detrital iron ore mine, MS 16 Channar Mining Project, Hamersley Range

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 47/369 Mining lease	HAMERSLEY IRON PTY. LIMITED	Granted	28 September 2037	Iron	9
M 47/370 Mining lease	HAMERSLEY IRON PTY. LIMITED	Granted	28 September 2037	Iron	9
M 47/371 Mining lease	HAMERSLEY IRON PTY. LIMITED	Granted	28 September 2037	Iron	6
M 47/372 Mining lease	HAMERSLEY IRON PTY. LIMITED	Granted	28 September 2037	Iron	16
M 272SA Mining lease (State Agreement)	HAMERSLEY IRON PTY. LIMITED	Granted	21 September 2035	Iron	14,105
M 274SA Mining lease (State Agreement)	HAMERSLEY IRON-YANDI PTY LIMITED	Granted	18 September 2039	Iron	30,483
ML 4SA Mineral lease (State Agreement)	HAMERSLEY IRON PTY. LIMITED	Granted	24 March 2028	Iron, Manganese	80,523
G 47/1232 General purpose lease	HAMERSLEY IRON PTY. LIMITED	Granted	19 September 2028	Iron	1,258
G 47/1242 General purpose lease	HAMERSLEY IRON PTY. LIMITED	Granted	18 September 2032	Iron	1,421
G 47/1243 General purpose lease	HAMERSLEY IRON PTY. LIMITED	Granted	18 September 2032	Iron	549
G 47/1269 General purpose lease	HAMERSLEY IRON PTY. LIMITED	Granted	23 January 2044	Iron	198
L 47/139 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	24 May 2026	Iron	521
L 47/140 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	24 May 2026	Iron	1,270
L 47/153 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	26 September 2027	Iron	3,613
L 47/159 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	26 January 2027	Iron	51
L 47/160 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	26 January 2027	Iron	43
L 47/178 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	22 August 2028	Iron	392
L 47/647 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	18 February 2035	Iron	201
L 47/855 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	29 August 2040	Iron	39
L 47/880 Miscellaneous licence	HAMERSLEY IRON PTY. LIMITED	Granted	6 November 2043	Iron	624
E 47/1790 Exploration licence	HAMERSLEY IRON PTY. LIMITED	Granted	17 February 2027		13,932
E 47/5156 Exploration licence	CENTRAL PILBARA SOUTH IRON ORE PTY LTD	Application			7,566