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

Tenement holder · Western Australia

MT WELD MINING PTY LIMITED

MT WELD MINING PTY LIMITED holds 18 current Western Australian mining tenements (4 mining leases, 4 general purpose leases, 7 miscellaneous licences, 3 exploration licences) covering 11,603 hectares; part of the Lynas Rare Earths group.

18tenements

11,603hectares

2projects

2EPA statements

2closure plans

Open MT WELD MINING PTY LIMITED in the MCF Mining Index All holders

Parent group: Lynas Rare Earths

Projects (MINEDEX)

Project	Stage	Owners (MINEDEX)	Its tenements
Mt Weld REE / Lynas	Operating	Lynas Rare Earths Limited 100%	10
Mt Weld Phosphate	Not Applicable	Lynas Rare Earths Limited 100%	3

Rehabilitation liability

Its rehabilitation liability, per tenement and in total, is in the MCF Mining Index (subscribers): the Mining Rehabilitation Fund estimate, its trend since 2014, company provisions and closure-plan costs.

Mine closure plans

Site	Operator	Latest plan approved	Plan (PDF on GeoDocs)	Closure year
TSF 3 and Production Expansion Mt Weld Rare Earth Project	Mt Weld Mining Pty Limited	7 February 2018	TSF 3 and Production Expansion Mining Proposal Mt Weld Rare Earth Project	2031
Mt Weld Rare Earths Project	Lynas Corporation Limited

EPA Ministerial Statements over its ground

Statement	Proposal	Date	Status
MS 1181	Lynas Kalgoorlie Rare Earths Processing Facility	1 February 2022	in force
MS 476	Proposed Rare Earths Mining and Beneficiation at Mt Weld, Laverton and Secondary Processing at Meenaar, near Northam (s46)	26 May 1998	superseded

Tenements

Tenement	Holder	Status	Expires	Commodities	Project	Hectares
M 38/58 Mining lease	MT WELD MINING PTY LIMITED	Granted	25 November 2026	Rare earths, Niobium, Tantalum, Yttrium, Neodymium, Praseodymium	Mt Weld REE / Lynas	928
M 38/59 Mining lease	MT WELD MINING PTY LIMITED	Granted	25 November 2026	Rare earths, Niobium, Tantalum, Yttrium, Phosphate, Zircon	Mt Weld REE / Lynas	857
M 38/326 Mining lease	MT WELD MINING PTY LIMITED	Granted	26 November 2033	Rare earths, Yttrium, Neodymium, Praseodymium, Dysprosium, Niobium	Mt Weld REE / Lynas	104
M 38/327 Mining lease	MT WELD MINING PTY LIMITED	Granted	26 November 2033	Rare earths, Niobium, Tantalum, Phosphate, Zircon, Yttrium	Mt Weld REE / Lynas	104
G 38/36 General purpose lease	MT WELD MINING PTY LIMITED	Granted	3 July 2044	Rare earths	Mt Weld REE / Lynas	57
G 38/37 General purpose lease	MT WELD MINING PTY LIMITED	Granted	3 July 2044	Rare earths	Mt Weld REE / Lynas	21
G 38/40 General purpose lease	MT WELD MINING PTY LIMITED	Granted	20 March 2046	Rare earths	Mt Weld REE / Lynas	688
G 38/42 General purpose lease	MT WELD MINING PTY LIMITED	Application				570
L 38/98 Miscellaneous licence	MT WELD MINING PTY LIMITED	Granted	19 November 2045	Rare earths	Mt Weld REE / Lynas	64
L 38/224 Miscellaneous licence	MT WELD MINING PTY LIMITED	Granted	13 August 2034	Rare earths	Mt Weld REE / Lynas	217
L 38/327 Miscellaneous licence	MT WELD MINING PTY LIMITED	Granted	23 February 2042			1
L 38/361 Miscellaneous licence	MT WELD MINING PTY LIMITED	Granted	25 July 2045			1,051
L 38/362 Miscellaneous licence	MT WELD MINING PTY LIMITED	Granted	11 June 2046			1,437
L 38/363 Miscellaneous licence	MT WELD MINING PTY LIMITED	Granted	11 June 2046			1,877
L 38/378 Miscellaneous licence	MT WELD MINING PTY LIMITED	Granted	15 May 2046			2,158
E 38/2224 Exploration licence	MT WELD MINING PTY LIMITED	Granted	16 August 2026	Rare earths	Mt Weld REE / Lynas	570
E 38/3877 Exploration licence	MT WELD MINING PTY LIMITED	Application				599
E 38/3951 Exploration licence	MT WELD MINING PTY LIMITED	Application				299