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Article

Indicator Variograms as an Aid for Geological Interpretation and Modeling of Ore Deposits

1
Department of Mining Engineering, University of Chile, Santiago 8370448, Chile
2
Advanced Mining Technology Center, University of Chile, Santiago 8370448, Chile
*
Author to whom correspondence should be addressed.
Minerals 2017, 7(12), 241; https://doi.org/10.3390/min7120241
Received: 1 November 2017 / Revised: 28 November 2017 / Accepted: 30 November 2017 / Published: 5 December 2017
(This article belongs to the Special Issue Geological Modelling)
Geostatistics offers a set of methods for modeling, predicting, or simulating geological domains in space. In addition of being an input of some of these methods, indicator direct and cross-variograms convey valuable information on the geometry of the domain layouts and on their contact relationships, in particular, on the surface area of a domain boundary, on the surface area of the contact between two domains, on the propensity for a domain to be in contact with, or separated from, another domain, and on the minimum and maximum distances between points from two domains. Accordingly, the indicator variograms inferred from sparse sampling data can be used to determine whether or not an interpreted model of the subsurface is consistent with the sampling information. The previous concepts are illustrated through a case study corresponding to a porphyry copper deposit. View Full-Text
Keywords: geological domaining; indicator direct and cross-variograms; edge effects; contact relationships geological domaining; indicator direct and cross-variograms; edge effects; contact relationships
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MDPI and ACS Style

Maleki, M.; Emery, X.; Mery, N. Indicator Variograms as an Aid for Geological Interpretation and Modeling of Ore Deposits. Minerals 2017, 7, 241. https://doi.org/10.3390/min7120241

AMA Style

Maleki M, Emery X, Mery N. Indicator Variograms as an Aid for Geological Interpretation and Modeling of Ore Deposits. Minerals. 2017; 7(12):241. https://doi.org/10.3390/min7120241

Chicago/Turabian Style

Maleki, Mohammad, Xavier Emery, and Nadia Mery. 2017. "Indicator Variograms as an Aid for Geological Interpretation and Modeling of Ore Deposits" Minerals 7, no. 12: 241. https://doi.org/10.3390/min7120241

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