Modeling Metal Grades of a Sulfide Ore Deposit Using the Rock Density as a Morphological Proxy (Neves-Corvo Mine)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The aim of this study is to build a high-resolution stochastic model of the morphology and metal grades of the Zambujal ore deposit, Neves–Corvo Mine. Zambujal is a volcanogenic sulfide ore deposit that presents a massive mass at the top and fissural ores at the bottom. To build a model in such type of deposit it is important to take into account the local proportion of ore sulfides and
waste rock, that is the proportion variable P(x). In this work it is proposed the use of the rock density as an indirect measurement or proxy to quantify this variable. If this proportion is quantified, the modelling of grades can be made to relative grades Y(x).

Original languageEnglish
Title of host publicationV Congresso de Jovens Investigadores em Geociências
Publication statusPublished - 1 Nov 2015

Keywords

  • Neves-Corvo Mine
  • morphological model
  • sulfur proportion
  • geostatistical simulation

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