Mining Capital FundsMCF Mining Approvals Index

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

Western Australian mining project · Operating

Thunderbox Gold

Thunderbox Gold is a Western Australian mining project (operating) in MINEDEX, owned by Northern Star Resources Ltd 100%; Saracen Mineral Holdings Ltd; Northern Star (SR Mining) Pty Ltd; Northern Star (Thunderbox) Pty Ltd; Northern Star (Talisman) Pty Ltd, on 21 current tenements held by NORTHERN STAR (THUNDERBOX) PTY LTD. Commodities: Gold, Silver, Nickel, Copper, Palladium, Platinum.

MINEDEX project
J02419
Stage
Operating
Owners (MINEDEX)
Northern Star Resources Ltd 100%; Saracen Mineral Holdings Ltd; Northern Star (SR Mining) Pty Ltd; Northern Star (Thunderbox) Pty Ltd; Northern Star (Talisman) Pty Ltd
Tenement holders
NORTHERN STAR (THUNDERBOX) PTY LTD
Parent groups
Northern Star Resources
Commodities
Gold, Silver, Nickel, Copper, Palladium, Platinum
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

CommodityResourcesReservesLatest estimate
Gold34 Mt at 1.44 g/t, 1.60 Moz contained11 Mt at 1.39 g/t, 498 koz contained31 March 2026

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

Mine closure plans

SiteOperatorLatest plan approvedPlan (PDF on GeoDocs)Closure year
DAA_DOC_Double A EGSSARACEN METALS Pty Limited14 February 2020DAA_DOC_Double A EGS Mining Proposal
MINE CLOSURE PLAN - Double A Project Environmental Group Site - S0230065 - J00091Northern Star Resources Limited
THUNDERBOX GOLD PROJECTNorthern Star Resources Limited3 May 2024MINE CLOSURE PLAN - THUNDERBOX GOLD PROJECT - J02419
ThunderboxSARACEN METALS Pty Limited30 June 2020Thunderbox Mining Proposal V7 Revision 2
Thunderbox EGS Mining Proposal Version 5SARACEN GOLD MINES Pty Limited

Tenements

TenementHolderStatusExpiresCommoditiesHectares
M 36/35
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted20 June 2030Gold, Silver197
M 36/421
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted5 November 2044Gold, Silver10
M 36/462
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted2 January 2043Gold, Silver967
M 36/494
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted2 January 2043Gold, Silver10
M 36/503
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted21 December 2042Gold, Silver599
M 36/504
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted21 December 2042Gold, Silver609
M 36/512
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted2 January 2043Gold, Silver306
M 36/525
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted2 January 2043Gold, Silver624
M 36/527
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted2 January 2043Gold, Silver693
M 36/542
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted21 December 2042Gold, Silver600
M 36/582
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted4 February 2029Gold, Silver934
M 36/585
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted18 February 2043Gold, Silver4
M 36/599
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted22 January 2044Gold, Silver301
M 36/600
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted6 June 2044Gold, Silver, Nickel, Copper, Palladium, Platinum301
M 37/437
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted26 April 2036Gold, Silver519
M 37/493
Mining lease
NORTHERN STAR (THUNDERBOX) PTY LTDGranted25 July 2041Gold, Silver734
L 36/155
Miscellaneous licence
NORTHERN STAR (THUNDERBOX) PTY LTDGranted31 May 2043Gold, Silver629
L 36/157
Miscellaneous licence
NORTHERN STAR (THUNDERBOX) PTY LTDGranted31 May 2043Gold, Silver13
L 36/158
Miscellaneous licence
NORTHERN STAR (THUNDERBOX) PTY LTDGranted31 May 2043Gold, Silver1,320
L 37/166
Miscellaneous licence
NORTHERN STAR (THUNDERBOX) PTY LTDGranted6 June 2028Gold, Silver178
L 37/222
Miscellaneous licence
NORTHERN STAR (THUNDERBOX) PTY LTDGranted30 November 2037Gold, Silver297