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

Western Australian mining project · Operating

Lake Hillman / Adelaide Brighton

Lake Hillman / Adelaide Brighton is a Western Australian mining project (operating) in MINEDEX, owned by Adelaide Brighton Ltd 100%, on 1 current tenement held by ADELAIDE BRIGHTON CEMENT LTD. Commodities: Gypsum.

MINEDEX project: J00826
Stage: Operating
Owners (MINEDEX): Adelaide Brighton Ltd 100%
Tenement holders: ADELAIDE BRIGHTON CEMENT LTD
Parent groups: CRH
Commodities: Gypsum
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

Production recorded in MINEDEX

Commodity	Latest year	That year	All recorded
Gypsum	2001	27 kt	596 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
M70/136 - Lake Hillman - ADELAIDE BRIGHTON CEMENT LTD	ADELAIDE BRIGHTON CEMENT Ltd	5 October 2016	Mine Closure Plan - M70/136 - Lake Hillman - ADELAIDE BRIGHTON CEMENT LTD - J00826

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 70/136 Mining lease	ADELAIDE BRIGHTON CEMENT LTD	Granted	21 October 2026	Gypsum	68