As part of the feasibility investigations for Water Treatment Works in the Adelaide Metropolitan Area, the Engineering and Water Supply Department on 5th May 1970, requested subsurface geological investigations of a sito near Athelstone. The proposed...

Drilling of 4 holes showed Hindmarsh Clay overlying calcareous Hallett Cove Sandstone, overlying silts and sands (Blanche Point Marls). Main groundwater table occurs in sandstone, providing suitable base for end bearing piles and the clays for raft...

The Electricity Trust of South Australia is planning a new substation site on the Angle Vale Road between Virginia and Gawler, approximately 4 miles east of Virginia. This will include a single-Storey switch-house of modular block construction and...

4 holes were drilled (75 metres).

Investigation of tho site for a proposed 1 million gallon capacity surface tank at Wattle Park, was initially requested by to. J.W. Murrell, Assistant Director Engineering Operations, in a letter dated 26th July, 1965, to tho Director of Mines. The...

2 holes (43 metres) were drilled.

Investigation of leakage through the left abutment of Aroona Dam was requested by the Director and Engineer in Chief, Engineering and Water Supply Department, in a letter dated 5th February, 1971 to the Director of Mines. Aroona Dam is situated in...

Investigation of a proposed subdivision at Salisbury Heights, with particular reference to stability of rock faces in a nearby quarry, was requested in a letter dated 12th June 1970 from the Director of Planning. An inspection of the subdivision area...

The Kangaroo Creek Dam is located in the River Torrens Gorge, 14 miles north-east of Adelaide. (Fig.1.). The dam has been constructed as part of the metropolitan water supply scheme, to store water pumped from the River Murray via the Mannum-Adelaide...

5 holes (33 metres) indicated large cavities filled with sediments joint controlled in the granite.

2 holes (40 metres) were drilled and resistivity survey carried out.

Investigation of a proposed subdivision at Happy Valley to determine the suitability of the site for residential development was required in a letter dated 5th August, 1971 from the Director of Planning. The location of the proposed subdivision,...

2 sites on major supply streams to Mt Bold Reservoir were investigated by surface geological examination and seismic refraction surveys. The sites show some outcrops of strong sandstone but elsewhere are covered by alluvium. The sites appear suitable...

The Engineering Geology Section received a departmental memorandum from the Mining Branch dated 24th November, 1971, requesting an inspection and comments on the stability of a large quartzite bluff known as 'Pysee's Knob'. This bluff is situated...

4 test pits indicate weathered weak to strong granite gneiss and clayey sand.

In a letter dated 10th August, 1971$ the State Planning Office asked the Department of Mines to report on the suitability of the land for residential development, and on the stability of the faces of a quarry within the subdivision. The location of...

Both hammer and conventional seismic refraction surveys were used to locate bedrock. Up to 6 metres of alluvium in an infilled stream channel are present at the Echunga Creek site. Quartzite and siltstone at both sites.

The Electricity Trust of South Australia is planning to construct additions to the substation at the corner of West Thebarton Road and Osman Place, Thebarton. This will Include a single-storey switch-house of modular block construction and covering...

The Electricity Trust of South Australia is to construct a substation at a site on the northern comer of Anderson and Wycombe Roads, Aldgate (Fig.l). The single storey building of about 12 squares will be of modular block construction. The site was...

1 hole (20 metres) was drilled.