This Bulletin presents the results of detailed studies of the Tertiary marine sequence in Gippsland, Victoria. Most of the information used in it has been obtained as a result of scout drilling jointly by the Victorian and Commonwealth Governments and of wildcat drilling by private companies. Though primarily a detailed study of a local problem, the results cannot frail to have an important bearing on the stratigraphy of the Tertiary rocks in the Australasian region and this in turn will facilitate the study of problems involving palaeogeography and correlation with extra Australian areas. The results will also have an important bearing on a major economic problem the search for oil in Australia.

The felspar deposit which is owned and operated by South Australian Silicates Co. Pty. Limited was visited on the 13th September, 1943, in company with Mr. Sampson, Secretary, of the Company and Mr. S.B. Dickinson, Deputy Government Geologist of South Australia. A description of the deposit follows in the report.

This summarised account of oil-drilling activities in Australia and New Guinea is given in two parts, first, a summary of past operations, and second, the status of investigations. Part 1 is almost entirely factual. The object has been to present a summary account of actual drilling operations, the results being obtained and the expenditure incurred therein. Part 2 states briefly the position we appear to have reached in the search for oil and summarises any present activity. The notes are given by States and Territories commencing with New Guinea and thence in clockwise order. "New Guinea" means the island of New Guinea and includes the Mandated section of the island as well as Papua.

Legacy product - no abstract available

The Wallendbeen talc workings are situated just east of the Wallendbeen township and railway station in the parish of Wallendoon, County of Harden, New South Wales. The workings, which consist of innumerable pits and shafts, are distributed along a narrow belt of country, usually more than 200 feet wide and extending from approximately 2 miles north to 1/2 mile south of the railway. The main workings at present are at the southern end of the field and the two producing pits were inspected. An examination was also made of a shaft at the northern end of the field. The talc is second-grade material, occurring both massive and schistose and should be referred to as steatite or soapstone. This report provides an overview of the geology and workings of the deposits.

Four lines of diamond drill holes were selected at the King Island scheelite mine and holes were drilled as follows: No. 1 line - Nos. 35, 39, 29, 32 and 33; No.2 line - Nos. 34, 37, 22 and 24; No.3 line - Nos. 31, 38, 23, 25 and 26; No. 4 line - Nos. 36, 28, 30, 40 and 27. The results of drilling are described herein. The amounts and the average grades of ore on each of the four lines of drill holes are recorded.

The uranium ores of the Mt. Painter area, in South Australia, although inadequately developed or proved, are the most important sources of uranium compounds yet discovered in Australia. Their chemical treatment is relatively easy, whereas the extraction of uranium from certain other recorded ores is difficult. The possibility of the Mt. Painter ores being amenable to appreciable beneficiation is not remote. The uran-ilmenite from Radium Hill (in South Australia) can be considered as a comparable source of uranium only if the ore is processed for its titanium content so as to obtain the uranium as a by-product. This ore is not amenable to significant beneficiation as regards its uranium content. The remaining minerals listed require several modifications of chemical treatment, detailed consideration of which is not yet justified by known reserves of ore. The recovery of the associated uranium can be effected from any uranium ore without substantial modification of the processes advocated for the extraction of the uranium. The methods suggested for the recovery of uranium from these several minerals aim at the production of sodium diuranate which is a convenient intermediate for conversion into other uranium derivatives. The methods discussed were formerly applied on a small commercial scale to the treatment of South Australian uranium ores, particularly those from the Mt. Painter field.

Phosphate deposits in the vicinity of Canowindra, Molong, Wellington and Borenore were examined in company with members of the Joint Parliamentary Committee on Rural Industries on the 27th and 28th February, 1943. Two slightly different types of deposit occur in these localities. These deposits are described herein.

A brief description of the talc deposits is given in this report. Details including situation, geology, and tonnage are noted.

A description of the mica deposits inspected.