Following the discovery, drilling and grouting of a large cavity in the proposed foundation area for the green milling section of the Mt Gambier Government sawmill, a second large cavity was found in the same area. A further 29 diamond drill holes...

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Kalangdoo Town Water Supply (T.W.S.) No. 1 well was drilled cable tool during February - May, 1977, and subsequently production tested. The unconfined Gambier Limestone aquifer was encountered between 5.5 and 86m, and was later cemented off down to...

The Marte area, 10 km west of Mount Gambier is the largest producer of building limestone in Australia. Massive calcarenite of Gambier Limestone of late Eocene to early Miocene age has been extensively modified by subsequent groundwater movement...

Pollution potential of the dump has been assessed from existing geological data and knowledge of the local groundwater table. Samples of groundwater have been analysed and calculations made of potential leachate volume and sub-surface flow rates....

Naracoorte town water supply can be increased by drilling additional production wells to the confined Knight Group sand aquifer which occurs at a depth of about 150 m below the town. D-rawdown interference from nearby production wells is expected to...

In conjunction with an inter departmental committee and representatives, from local government, fifteen proposed solid waste disposal sites were investigated in the vicinity of Mt. Gambier. After subjecting each site to relevant pollution potential...

18 auger holes have outlined probable reserves of 80 000 tonnes of construction sand in Middle Eocene Tartwaup Formation below 57 000 tonnes of overburden. Allens Quarry (formerly Knight's Quarry) is the only exposure of Early Tertiary sediments in...

An SA government investigation has been undertaken to determine the extent of groundwater pollution resulting from the waste disposal practices used at the now abandoned Kongorong cheese factory. During the period 1924 to 1971, liquid effluent from...

The Marte area, 10 km west of Mount Gambier is the largest producer of building stone in Australia. Reviews production of ashlars from Gambier Limestone with emphasis on the Mount Gambier area; coverage is incomplete for production of ashlars from the...

A recent scout well drilled into the confined Dilwyn Formation (formerly Knight Group) at Mundulla intersected only low permeability sediments unsuitable for development. However, this does not rule out the possibility that a suitable aquifer will be...

The first of a series of high yielding standby wells exploring the confined aquifer was drilled to 208 metres using both rotary and cable tool. Production interval is from 184.6 to 205.3 metres in unconsolidated sands of Dilwyn Formation.

A shallow seismic refraction survey was carried out around the disposal lagoons at the Naracoorte Saleyards to determine the depth to the underlying Gambier Limestone bedrock. If the floors to existing effluent disposal lagoon excavations are near...

A shallow test hole was drilled near Cape Northumberland to check the feasibility of tunnelling through the Gambier Limestone beneath the sea bed. The drilling showed widespread flint throughout the limestone, and comparison with nearby outcrop...

New production water well has suitable water supply for all purposes. Nitrate levels are not serious (10 - 22 mg/L).

A shallow seismic refraction survey was carried out around the effluent disposal lagoons at Naracoorte Abattoir to determine the depth to the top of the Gambier Limestone. This unit was found to subcrop at a depth of approximately 13 m over most of...

Recent drilling information, aquifer testing, a review of data on existing town water supply wells and a survey of wells intersecting the confined Kongorong Sand aquifer in the vicinity of Kingston have been used to assess the state of Kingston's...

A monitoring programme has been established, in a paddock immediately north of the factory, to ascertain the effect of sprinkler disposal of partly treated factory effluent on soil, herbage and groundwater.composition. The aim of the investigation is...

Foundation testing for a building project at Robe aimed at strengthening the existing slipway has shown the presence of medium strength Bridgewater Formation limestone at a depth of less than 2 m, which should provide an adequate bearing horizon for...

Drilling and testing of a new groundwater production well APCEL 14 at Snuggery has indicated a production rate of about 8000 cubic m/day (80,000 gallons per hour), which should have only minimal effects on groundwater levels in both the upper...