![]() The category of 'possible reserves' shall be replaced by that of 'inferred mineralization'. Each category of proven/probable reserves and measured/indicated deposits should be subdivided into two classes to express better the many steps of mineral valuation. 'Reserves' are by definition 'mining reserves'. The term 'reserve' should be used only in an operating mine or in a mining project, when information in the geological, engineering, and economic domains is adequate to ensure technical and financial feasibility. At earlier stages of deposit development, when quantitative knowledge is available mainly on the geological axis, the term 'delimited mineral deposit' should be used. For greater efficiency, the criteria of reserve estimation and classification should be integrated with the evaluation steps and methods. The procedure allows one to maximize the income and profits of a mining operation, and to reduce the risks of financial losses tied to investment decisions in the mining sector. contributes to the evaluation and mining process. The aim is to identify the metal/mineralization losses and ore dilution that each work step. The Guide analyzes, in a systemic perspective, the sequence of exploration, development, and evaluation work required to bring a mineral deposit to production. The Guide to the Evaluation of Gold Deposits reviews the successive evaluation steps in the domains of geology, engineering, and economics. ![]()
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