Quarries
Boral Quarries Seacliff Park (Linwood)
105 Ocean Blvd, Seacliff Park SA
1300 136 332
Monday - Friday: 6:30-16:30
Saturday: Closed - Open by prior arrangement
Sunday: Closed
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The Boral Linwood Quarry, positioned within one of Adelaide and South Australia's most important sources of hard rock, has been providing aggregates for almost 130 years.

The Boral Linwood Quarry is located between Marino and Hallett Cove, not far from the shore of the Gulf of St Vincent, in Adelaide's southern suburbs. The Linwood site incorporates landholdings which are both owned by Boral, and leased from other landowners in return for royalties. A number of 'private mines' and small extractive mineral leases allow quarrying on these lands.

The quarry is bordered by the City of Marion Golf Club to the north east, itself having been formed on the original South Australian Portland Cement Company workings.

Vacant 'hills face zone' land exists to the east and southeast of the quarry as bounded by Ocean Boulevard and Perry Barr Road.

Today the Boral Linwood Quarry employs 30 full time staff and provides work for up to 80 contractors and transport workers. Many employees reside in the City of Marion within which the quarry is located.

In addition to the quarry and its processing plant, the site also hosts Boral Marino Concrete, part of Boral's network of concrete plants servicing the city.

Quarrying first began in 1882 to provide raw material (limestone) to the nearby Brighton Cement Works. By 1892, this operation had become The South Australian Portland Cement Company Limited.

In 1956, Quarry Industries Ltd took over operations at Linwood. This company was in turn purchased by Boral, with Linwood becoming part of the portfolio in 1994.

During Boral's stewardship, the focus for the operation has been the production of high quality road-base aggregates. The quarry has also been recognised as a model of best practice for the extractive industry in South Australia, having achieved several awards for its operations. During 2015, the quarry was identified as a 'strategic mineral resource' through the Resource Management and Planning (RAMP) report prepared for the South Australian Government. Boral Marino Concrete is one of five concrete batching plants operated by the company across Adelaide. It is sited within the Boral Linwood Quarry which supplies the plant with aggregates for production.

The plant produces pre-mixed concrete for commercial and residential projects throughout southern Adelaide and the city centre. The concrete is transported via Boral and contractor-owned 'agitators' (trucks).

Presently the plant employs three staff and two transport drivers.

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