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

Western Australian mining project · Operating

Cockburn Sound Limesand

Cockburn Sound Limesand is a Western Australian mining project (operating) in MINEDEX, owned by Cockburn Cement Ltd 100%, on 3 current tenements held by COCKBURN CEMENT LIMITED. Commodities: Limestone.

MINEDEX project: J00896
Stage: Operating
Owners (MINEDEX): Cockburn Cement Ltd 100%
Tenement holders: COCKBURN CEMENT LIMITED
Parent groups: CRH
Commodities: Limestone
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
Limesand	90 Mt at 100.0%, 90.5 Mt contained	—	27 November 2000

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
Limesand	2001	1.9 Mt	21.4 Mt

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

EPA Ministerial Statements

MS 599 Long-term shellsand dredging, Owen Anchorage, MS 494 Medium-term shellsand dredging, Success Bank, Owen Anchorage, MS 468 Short-term shell-sand dredging, Success Bank, Owen Anchorage, MS 360 Proposed short-term continuation of dredging of shell sand on Success Bank, Owen Anchorage; and proposed strategy to address the long-term environmental issues of shell sand dredging

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 283SA Mining lease (State Agreement)	COCKBURN CEMENT LIMITED	Granted	18 February 2031	Limestone	178
E 70/1247 Exploration licence	COCKBURN CEMENT LIMITED	Granted	23 December 2026	Limestone	1,118
E 70/1300 Exploration licence	COCKBURN CEMENT LIMITED	Granted	11 December 2026	Limestone	433