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Seismic and airborne magnetic surveys are underway The Geological Survey of NSW (GSNSW) of 70 to 80 metres above the ground) gather- derstand the geology and groundwater reis currently conducting a large seismic sur- ing data which will also be used to better un- sources of the area. vey across NSW including over exploration tenements in the Cobar area. GSNSW conducts geophysical surveys and archives the data. GSNSW geophysicists use this data to provide information about geology at depth in the Earth’s crust and help to define areas of mineral or energy resource potential. They use the information provided by field geologists to produce geophysical-geological map interpretations and to build 3D models of crustal geology. Geophysical data are also used with outcrop maps to validate geological cross-sections. The Western NSW Seismic Survey uses large trucks to generate pressure waves which penetrate into the Earth and are reflected from rock interfaces. They drive very slowly, stopping every 20 to 40 metres to generate the signal. The reflected waves are detected by an array of geophones and the data processed into seismic sections which image stratigraphy and faults. Seismic surveys can image from 100m to 30km depth depending on the equipment used. Data from these types of surveys can help geoscientists interpret geological features and structures deep below the surface. It can be used to locate potential ground Wondered what these big trucks have been doing in our area lately? They are involved in a seismic geological survey being conducted by the Department of Regional NSW water and mineral resources. GSNSW has received the assistance of Au- across the western area from April to June. ▪ Photo contributed relia Metals’ Exploration Teams to help conduct the survey. Ph: 6836 2725 Weather permitting, the survey will contin6 Barton St ue until next month. GSNSW is also conducting two airborne magnetic and radiometric surveys across the western area to identify potential groundwater to support agriculture, regional towns and industries. The aircraft will be flying low (at a height
Cobar Shire Council Public Notices ORDINARY COUNCIL MEETING 5pm, Tomorrow Thursday, May 25 Open to the public. Agendas and business papers are available to the public now. Copies are available from the Council Administration Office or may be downloaded from: www.cobar.nsw.gov.au/council/ council-meetings mail@cobar.nsw.gov.au PO Box 223, COBAR, NSW, 2835
Peter Vlatko, General Manager
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