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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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The Importance Of Quality In Statements Of Coal Reserves

Simple quotation of quantities of coal reserves neglects the relationship between qualities of coals and their efficient use._x000D_
If exploitation of a deposit is contemplated, its life expectancy can be deduced only if its reserves are estimated according to the coal user's technological standards. A wide range in properties will satisfy a steaming coal, whereas a high vitrinite high rank coal would be preferred for coking and a low inertinite low rank coal for conversion._x000D_
In competitive trading the buyer's commercial specification may require weighing against the producer's practical ideals, especially when beneficiation is critical. Differentiation of grades in quality of a deposit provides an intelligent understanding of the economic importance of the deposit. The Wongawilli seam of the New South Wales Southern Coalfield exemplifies the effect of quality criteria upon the extent of in situ, recoverable and marketable classes of economic reserves. Effective management of a deposit will result from simultaneous quotation of coal qualities and quantities in a statement of its reserves.
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  • Published: 1979
  • PDF Size: 0.278 Mb.
  • Unique ID: P197902055

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