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

Western Australian mining project · Care and Maintenance

Nepean

Nepean is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Rocktivity Nepean Pty Limited 100%; Goldfellas Pty Ltd; Eastern Coolgardie Goldfields Pty Ltd; Rocktivity Mining (WA) Pty Ltd, on 2 current tenements held by EASTERN COOLGARDIE GOLDFIELDS PTY LTD. Commodities: Nickel, Lithium, Tantalum, CS, Tin.

MINEDEX project: J00974
Stage: Care and Maintenance
Owners (MINEDEX): Rocktivity Nepean Pty Limited 100%; Goldfellas Pty Ltd; Eastern Coolgardie Goldfields Pty Ltd; Rocktivity Mining (WA) Pty Ltd
Tenement holders: EASTERN COOLGARDIE GOLDFIELDS PTY LTD
Commodities: Nickel, Lithium, Tantalum, CS, Tin
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
Cobalt	2.37 Mt at 0.03%, 822 t contained	—	1 September 2022
Copper	2.37 Mt at 0.11%, 2,530 t contained	—	1 September 2022
Nickel	2.37 Mt at 1.5%, 36 kt contained	—	1 September 2022

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

Production recorded in MINEDEX

Commodity	Latest year	That year	All recorded
Nickel	1987	659 t	35 kt

Historical: the bulk extract's production records end in 2002.

Mine closure plans

Site	Operator	Latest plan approved	Plan (PDF on GeoDocs)	Closure year
NEPEAN PROJECT - DOCUMENT ID: FMLCOO	Focus Minerals LTD	9 April 2019	MINE CLOSURE PLAN - NEPEAN PROJECT - DOCUMENT ID: FMLCOO - VERSION 2, REVISION 1

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 15/1809 Mining lease	EASTERN COOLGARDIE GOLDFIELDS PTY LTD	Granted	3 February 2034	Nickel	976
M 15/1887 Mining lease	EASTERN COOLGARDIE GOLDFIELDS PTY LTD	Application		Nickel, Lithium, Tantalum, CS, Tin	1,748