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Vol 233
Pages:
547
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COST ASSESSMENT OF GOLD ORE DEPOSITS ADJUSTED FOR CAPITAL INVESTMENTS

Authors:
A. Yu. Zaitsev
About authors
  • Polymetal International PLC
Date submitted:
2018-05-22
Date accepted:
2018-07-04
Date published:
2018-10-25

Abstract

The paper focuses on the problems of geologic and economic assessment of mineral deposits. Existing methods have certain advantages and disadvantages, but always rely on unified assessment criteria that fail to take into account specific parameters of each deposit. The author proposes a method of quick and simple cost assessment of gold ore deposits based on ore reserves data. Suggested approach allows to evaluate a true price of gold ore deposits that takes into account field preparation and development costs, as well as to calculate threshold (recommended) amount of investment. Besides that, the method permits to assess the contribution that mineral reserves and resources make to the cumulative market price of the mining company. The method is based on the analysis of empirical data from actual purchases of gold ore (and associated metals) deposits made by Polymetal International PLC. The results of statistical research are incorporated in a formula of threshold deposit price taking into account field preparation and development costs. Comparison between deposit prices obtained from actual purchase deals and forecast results demonstrates high convergence rate (R = 0.97). The greatest error in the forecast results is attributed to insufficient attention to the geographical position of deposits, existence of infrastructure and relevant facilities. The method has been tested on three purchases of gold ore assets made by Polymetal International PLC and demonstrated high convergence with actual deal prices.

10.31897/pmi.2018.5.547
Go to volume 233

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