Report of minor investigations of the petrographic and mineragraphic laboratory for the period February-June 1957.

Specimens of radioactive ferruginous sandstone from Madigan's Prospect, Bynoe Harbour, N.T., have been examined by autoradiographic, mineragraphic, mineralogical, and petrographic methods, and tested treated, and analysed chemically; radiation measurements have been made at appropriate stages in the investigation to ascertain the behaviour and distribution of the radioactive material.

Legacy product - no abstract available

This record consists of a collection of minor reports completed by the petrographic and mineragraphic sections of the Geological Laboratory during the half-yearly period January to June 1960

Legacy product - no abstract available

This Record consists of a collection of reports completed by the petrographic and mineragraphic section of the Geological Laboratory during the period October to December, 1957.

This Record consists of a collection of reports completed in the petrological and mineragraphic sections of the Bureau Geological Laboratory during the period April to June 1958.

Legacy product - no abstract available

This report outlines the geophysical survey work completed to May, 1949. The results and findings of this work are described in the report. The attached diagrams show results of diamond drilling carried out by Enterprise Exploration Ltd. for the purpose of testing the Peak Magnetic Anomaly and the Spotted Leopard No. 1 Magnetic Anomaly. Drill core from the Peak No. 1 Drill Hole was subjected to a mineragraphic examination by Dr. F. Stillwell and a copy of his report is included as an appendix to this report.

This Record consists of a collection of reports completed by the petrographic and mineragraphic personnel of the Bureau Laboratory during the period January to December 1956