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This textbook is intended for those economic geologists, who deal with the evaluation of deposits at an early stage of development. It offers rules for quick and easy calculations based on the application of approximate figures. Both students and field geologists will find a complete set of rules and methods enabling them to perform a quick initial evaluation of the ore deposit.

Economic Evaluations in Exploration

Conversions.- First Estimates of Grade and Tonnages and Potential Grade and Tonnages.- Dealing with Data of Multi-Element Deposits.- Conversion of Geological Data into Mining Data for Ore Deposits.- to Economic Evaluations.- Metal Prices.- Calculation of the Net Smelter Return (NSR) of a Mine.- Production Lifetime.- Calculation of Cost Data.- Additional Economic Planning Methods.- Economic Evaluations.- Quantitative Valuation of Exploration Projects without Known Mineralization.- Comparison of Deposits.- Calculating Growth Rates.- Equity Calculations.