
%0 Journal Article
%A Hoschke, T. 
%T Geophysical discovery and evaluation of the West Peko copper-gold deposit, Tennant Creek
%J Exploration Geophysics
%D 1991/09/01
%V 22
%N 3
%P 485-495
%K 
%R https://doi.org/10.1071/EG991485
%U https://www.publish.csiro.au/paper/EG991485 
%X A drill hole magnetometer developed to assist exploration for gold and copper bearing magnetite bodies (ironstones) has aided in the discovery of two large mineralised ironstones at depths between 400 m to 650 m below surface in the Tennant Creek area of the Northern Territory. These bodies are surrounded by a broad zone of sediments containing magnetite, the magnetic response of which dominates the surface anomaly. A 600 metre wildcat hole was drilled and subsequently surveyed using the magnetometer which detected a large magnetic anomaly towards the bottom of the hole. Follow up drilling and interpretation of magnetic surveys successfully guided exploration in the definition of significant bodies of ironstone. 
