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

Western Australian mining project · Care and Maintenance

Kalpini

Kalpini is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Maritana Minerals Limited 100%, on 2 current tenements held by BLACK MOUNTAIN GOLD PTY LIMITED. Commodities: Gold, Silver.

MINEDEX project: J03265
Stage: Care and Maintenance
Owners (MINEDEX): Maritana Minerals Limited 100%
Tenement holders: BLACK MOUNTAIN GOLD PTY LIMITED
Parent groups: Maritana 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

Resources and reserves

Commodity	Resources	Reserves	Latest estimate
Gold	2.36 Mt at 1.96 g/t, 149 koz contained	0.87 Mt at 1.69 g/t, 47 koz contained	30 June 2026

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

Mine closure plans

Site	Operator	Latest plan approved	Plan (PDF on GeoDocs)	Closure year
KALPINI PROJECT	NBT METALS Pty Ltd	14 September 2023	MINE CLOSURE PLAN - KALPINI PROJECT - VERSION 4 - J03265
Kalpini Project	Goldfields Technical Services Pty Ltd	15 November 2017	Kalpini Project Mining Proposal

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 27/485 Mining lease	BLACK MOUNTAIN GOLD PTY LIMITED	Granted	14 November 2033	Gold, Silver	583
L 27/88 Miscellaneous licence	BLACK MOUNTAIN GOLD PTY LIMITED	Granted	12 September 2034	Gold, Silver	84