Angela and Pamela uranium deposits, NT

Abstract

This report compiles drill-hole data files, cross-sections and reports on the Angela and Pamela uranium deposits, 28 km south of Alice Springs, that were initially submitted by Uranerz Australia Pty Ltd to the Australian Government (Australian Atomic Energy Commission) in the early 1980s. Not all these data were previously held by the NT Government. The CD contains: - A set of cross-sections through the Angela deposit showing drilling results and geological interpretations prepared by Uranerz Australia Pty Ltd - Drilling results, Angela and Pamela areas - status at end of 1980. Report by Uranerz Australia Pty Ltd. - Detailed drill-hole data including drill collar co-ordinates, RL of collars, mineralised intersections, XRF grades, equivalent U3O8 grades from down-hole radiometric probe results. - Two volumes containing data on equivalent uranium grades for mineralised intersections measured by Uranerz Australia Pty Ltd. - Uranerz Australia Pty Ltd, 1983. Supplementary information for the Bureau of Mineral Resources on the Angela 1 deposit and Angelas 2 to 5 prospects, Alice Springs, Northern Territory. This report provides background information to the evaluation of uranium resources at the Angela deposit. The exploration history from 1972 to 1983, geology, mineralisation and methods used to calculate grades are described. - Summary of discussions with Uranerz Australia Pty Ltd on methods used to process borehole radiometric logs from the Angela deposit NT. Report to Bureau of Mineral Resources, 1984. Prior to 1980, equivalent uranium grades of mineralised intersections were derived from down-hole gamma ray probe measurements using the 'area under the curve' method. After 1980, the Uranerz geophysicists used the 'deconvolution (or inverse filtering)' method to estimate equivalent uranium grades. All radiometric grades were later recalculated using the deconvolution method.