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

Western Australian mining project · Care and Maintenance

Kailis

Kailis is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Northern Star Resources Ltd 100%; St Barbara Ltd; Saracen Mineral Holdings Ltd, on 7 current tenements held by GENESIS MINERALS (LEONORA) PTY LTD. Commodities: Gold, Silver.

MINEDEX project: J05596
Stage: Care and Maintenance
Owners (MINEDEX): Northern Star Resources Ltd 100%; St Barbara Ltd; Saracen Mineral Holdings Ltd
Tenement holders: GENESIS MINERALS (LEONORA) PTY LTD
Parent groups: Genesis Minerals
Commodities: 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

Mine closure plans

Site	Operator	Latest plan approved	Plan (PDF on GeoDocs)	Closure year
Kailis	Northern Star Resources Limited	2 June 2023	Kailis Mine Closure Plan
Kailis Environmental Group Site	SARACEN METALS Pty Limited	15 February 2019	Kailis Environmental Group Site S0233604 Mining Proposal

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 37/46 Mining lease	GENESIS MINERALS (LEONORA) PTY LTD	Granted	14 July 2027	Gold, Silver	444
M 37/219 Mining lease	GENESIS MINERALS (LEONORA) PTY LTD	Granted	2 August 2031	Gold, Silver	5
M 37/564 Mining lease	GENESIS MINERALS (LEONORA) PTY LTD	Granted	11 November 2041	Gold, Silver	192
M 37/902 Mining lease	GENESIS MINERALS (LEONORA) PTY LTD	Granted	5 February 2030	Gold, Silver	245
M 37/955 Mining lease	GENESIS MINERALS (LEONORA) PTY LTD	Granted	18 March 2031	Gold, Silver	31
M 37/986 Mining lease	GENESIS MINERALS (LEONORA) PTY LTD	Granted	18 March 2031	Gold, Silver	2
L 37/221 Miscellaneous licence	GENESIS MINERALS (LEONORA) PTY LTD	Granted	29 May 2037	Gold, Silver	134