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Geophysical images and data
… field due to magnetic minerals in the ground, principally magnetite and/or … magnetic, radioelement and DEM survey areas Ground gravity surveys Gravity surveys measure … field. The NSW Government has acquired ground gravity readings across NSW, with about …
WHS (Mines and Petroleum Sites) legislation
… the purpose of: extracting minerals from the ground injecting minerals into the ground, but only where the primary purpose of … injection is to inject a mineral into the ground or to return a mineral to the ground …
Types of exploration
… mapping is undertaken by walking over the ground of interest. Geologists observe the … may fly between 25 m and 60 m above the ground, with flight lines spaced between 25 m and 200 m apart. Ground-based surveys Seismic surveys Seismic …
Investigation reports
… KB) Causal investigation - polyurethane ground stabiliser fire exposes workers to risk …
1898 East Greta Colliery Fall of Roof
… However, the bench dismissed the case on the ground that the men who had carried out the … He pleaded guilty and was fined. Ground or strata failure is a principal hazard … in relation to the principal hazard of ground or strata failure (refer clause 24, Work …
… Consolidated report - Managing ground or strata failure risks in the … good management systems in place to manage ground or strata failure hazards. However, … ensure that a strong focus is maintained on ground or strata failure hazards. … …
Cobar
… geometry of the Cobar Basin. This type of ground-based geophysical survey is low impact. … to build an image of the geology under the ground. Vehicles move along a route and … energy vibrations that penetrate the ground and bounce off buried rocks. The …
1895 South Broken Hill Silver Mine
… feet. There had been indications that the ground was unstable, so the underground manager … what they considered a safe area,, the ground gave way. A large quantity of earth … Holmes, William McLeish, WL (Scrap) Panter. Ground or strata failure is a principal hazard …
1889 Hamilton Colliery
… authority did not follow proper procedures. Ground or strata failure is a principal hazard … in relation to the principal hazard of ground or strata failure (refer clause 24, Work …