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Conference Proceedings

Estimation and Statement of Mineral Reserves, Sydney

Conference Proceedings

Estimation and Statement of Mineral Reserves, Sydney

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Ore Reserves Estimates And Comparisons With Mine Production From The Cattlegrid Orebody, Mt. Gunson, South Australia

The Cattlegrid copper orebody is a concealed thin, tabular sheet localised near an unconformity between two sub- horizontal Precambrian sandstone units._x000D_
It extends over an area of 1,000 m by 500 m within a wider area of mineral- isation. The ore consists of complex sulphides and is neither massive nor disseminated. It consists mainly of irregular fillings in pore space developed between clasts in sandstone breccias, in fault zones and joints and along stratification planes. Its habit is unique amongst Australian base metal ore bodies. During the pre-development period ore was outlined by percussion holes but in studies leading to investment decisions ore reserves were manually calculated from intercepts and assay results of cores from diamond drill holes. The methods used for estimating reserves in the pre-production and production periods are described and evaluated by comparing mine production during the first five ore production years with the forecasts made.
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  • Ore Reserves Estimates And Comparisons With Mine Production From The Cattlegrid Orebody, Mt. Gunson, South Australia
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  • Published: 1979
  • PDF Size: 0.188 Mb.
  • Unique ID: P197902034

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