Late Palaeozoic fossils have been recorded previously from near the south-west margin of the Canning Basin. Glauert (1926, p.43-48) records and lists brachiopods and a nautiloid collected by L.J. Jones from near No. 27 Well, Canning Stock Route, north-east of Lake Disappointment. Reeves (1949, Appendix, p.34) records Ammodiscus nitidus collected by him from 4 miles north-east of No. 6 Well, Canning Stock Route. He considered that the rocks here were equivalent to the Noonkanbah Formation of the Fitzroy Basin. During the 1954 field season J.N. Casey, a member of the Bureau Field Party operating in the Canning Basin composed of D.M. Traves, J.N. Casey and A.T. Wells, collected marine shelly fossils from two additional localities which were handed to the authors for identification and age determination. The two collections confirm the presence of marine Permian rocks in this area.

Legacy product - no abstract available

Legacy product - no abstract available

Legacy product - no abstract available

Legacy product - no abstract available

Legacy product - no abstract available

Legacy product - no abstract available

During a recent visit to Portland with Dr. N. Boutakoff and Mr. Spencer Jones of the Geological Survey of Victoria, samples were collected systematically at localities along Dutton Way which skirts the eastern shores of Portland Bay and along the foreshore below the station. Locality 2 on Dutton Way represents the type of Maritemo Formation and is approximately eight feet thick. These beds overlie the white deposits of the Portland Limestone and are overlain by basalt. The monument section shows portion of the Maritemo Beds and portion of the topmost unit of the Formation, the Werriko Beds. This section is also overlain by basalt and underlain by Portland Limestone.

This instrument has been designed in the Radiometric Laboratory of the Bureau of Mineral Resources, t o meet the needs of those uranium prospectors who wish to build Geiger counters. The circuit has been designed so that it can be adjusted with a minimum of test equipment. Indication of the count rate is provided by a ratemeter with three ranges; 0-200, 0-1,000 and 0-10,000 counts per minute. Earphones also provide an audible indication of the count rate. The following rate describes the operation of the circuit and the procedure to be adopted to adjust the voltage at various points in the circuit for correct operation. A schematic circuit diagram is also provided and several points concerned with the mechanical design of the instrument are mentioned.

In an unpublished report Taylor (1955) suggested that both tectonic earthquakes and volcanic activity are related to prevailing conditions of regional stress. The diagnostic value of this relationship lies in the fact that abnormal stress conditions make their presence known first by tectonic earthquakes and later by volcanic eruption. This theory was developed as a result of intensive research following upon study of the new Hebrides volcanic arc and recent volcanism. Bougainville Island, with a deep trough (Planet Deep) situated west of and orientated parallel to its line of volcanoes, exhibits a similar structural pattern to the New Mebride4s Islands and it was considered by Taylor that the relationship between tectonic earthquakes and volcanic eruptions might also apply here. As a possible means of diagnosis an analysis of earthquakes and volcanic activity in the Bougainville area was undertaken to discover whether a positive relationship existed fro Mt. Bagana, and if so, whether there were indications of impending eruption of the Lake Loloru Crater.