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

Western Australian mining project · Care and Maintenance

Nicholas Downs Manganese

Nicholas Downs Manganese is a Western Australian mining project (in care and maintenance) in MINEDEX, owned by Hancock Prospecting Pty Ltd 100%; Process Minerals International Pty Ltd; Nicholas Downs Pty Ltd, on 3 current tenements held by NICHOLAS DOWNS PTY LTD. Commodities: Manganese.

MINEDEX project: J00445
Stage: Care and Maintenance
Owners (MINEDEX): Hancock Prospecting Pty Ltd 100%; Process Minerals International Pty Ltd; Nicholas Downs Pty Ltd
Tenement holders: NICHOLAS DOWNS PTY LTD
Parent groups: Hancock Prospecting
Commodities: Manganese
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
Manganese	20 Mt at 25.6%, 5.1 Mt contained	—	28 February 2016
Iron	20 Mt at 15.2%, 3.0 Mt contained	—	28 February 2016

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
NICHOLAS DOWNS MANGANESE PROJECT	Hancock Prospecting Pty Limited	29 April 2019	MINE CLOSURE PLAN - NICHOLAS DOWNS MANGANESE PROJECT - J00445

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 46/80 Mining lease	NICHOLAS DOWNS PTY LTD	Granted	17 July 2030	Manganese	829
M 46/81 Mining lease	NICHOLAS DOWNS PTY LTD	Granted	17 July 2030	Manganese	218
M 46/121 Mining lease	NICHOLAS DOWNS PTY LTD	Granted	12 January 2034	Manganese	300