Report on mine maintenance, costs, equipment, employment, reserves, and workings.

Report on mine maintenance, costs, equipment, employment, reserves, and workings.

Report on mine maintenance, costs, equipment, employment, reserves, and workings.

A summary report of the maintenance work being carried out in various Western Australian gold mines.

The Gawler talc deposit, situated 2 miles south from Ulverstone, Tasmania, was inspected in May, 1944, and report No. 1944/21 of this Branch contains descriptions of geology, ore, occurrence, etc. Since that date further work has been done at the mine and some production achieved. The deposit was inspected again in May, 1945, to bring information up to date. The workings, geology, production, grade, and talc reserves are discussed in this report.

The stock saleyards comprise Block 41, Gungahlin district and are on the southeastern side of Federal Highway, 3.5 miles north from Civic Centre. A smaller area on the western extremity of the block, including stock pens, huts etc. is without water supply. The topography, geology and possibilities of obtaining underground water are discussed in this report.

Sediments of Lower Cretaceous age are widely distributed in Queensland, northern New South Wales and northern South Australia. Their distribution is closely linked with the Great Artesian Basin, which covers an area exceeding 500,000 square miles. Many bores have been put down in this Basin to tap the aquifers which are present in the Jurassic rocks underlying the Cretaceous. Much material remains to be examined and a full report will be prepared after the examinations have been completed. This report comprises notes on the source of microfossil material, notes on the microfauna, a list of localities, and a distribution list of foraminifera. A map of the localities from which samples have been examined is included.

Findings from a micro-examination of samples taken from the depths of 2,110 feet down to 3,533 feet 11 inches. The series is in continuation of that reported upon 11/10/44.

A preliminary geological examination of an area at the northern extremity of Gungahlin district was carried out for the purpose of determining with fair approximation the area occupied by slate apparently suitable for brick-making. The geology of the area and the suitability of the site for a brick pit are discussed in this report. A geological sketch map of the district is included.

The Pilot Bore is situated 130 feet north of the Lakes Entrance Shaft and 80 feet above mean tide level. The principal purpose of the bore was to provide information on the position and flow of aquifers and on the nature of the rock ahead of shaft sinking operations. Percussion drilling was used to ensure that information on water horizons should be as accurate as possible. This report summarises the information so far obtained from the Pilot Bore, Lakes Entrance, and should be regarded as an interim statement pending the completion of work on the cores. The task of correlating this information with that obtained from other sources and the discussion of its bearing on regional problems are reserved for a more detailed report when the work has been concluded.