GEOLOGICAL SURVEY OF NEW SOUTH WALES INDUSTRY & INVESTMENT NSW Preliminary zircon data and tectonic framework for the Thomson Orogen, northwestern NSW Released at the Exploration in the House Parliament House, Macquarie Street, Sydney 9 June 2010 By R. A. Glen 1 , A. Saeed 2 , R. Hegarty 1 , I. G. Percival 3 , S. Bodorkos 4 and W. L. Griffin 2 1 Geological Survey of New South Wales, High Street, Maitland NSW 2320 2 National Key Centre Geochemical Evolution and Metallogeny of Continents, Department of Earth & Planetary Sciences, Macquarie University, Sydney NSW 2109 3 Geological Survey of New South Wales, W. B. Clarke Geoscience Centre 947–953 Londonderry Road, Londonderry, NSW 2753 4 Onshore Energy and Minerals Division, Geoscience Australia, Canberra ACT 2601 June 2010 Geological Survey Report N o : GS 2010/0379 Map Reference: 1:250 000 sheets Sh/54-12 White Cliffs SH/55-9 Louth SH/55-10 Bourke SH/55-6 Enngonia SH/55-14 Cobar © Industry & Investment NSW The information contained in this report has been obtained by the Industry & Investment NSW as part of the policy of the State Government to assist in the development of mineral resources and furtherance of geological knowledge. It may not be published in any form or used in a company prospectus, document or statement without the permission in writing of the Executive Director – Mineral Resources.