Simulation—an approach to risk analysis in coal mining

JF COSTA, AC Zingano… - … and Mining Geology, 2000 - pubs.geoscienceworld.org
Traditional mine planning based on block models built with interpolation techniques such as
kriging does not take into account the uncertainty associated with the estimates. These …

A conditional fractal (fBm) simulation approach for orebody modelling

JF Costa, R Dimitrakopoulos - International journal of surface …, 1998 - Taylor & Francis
Fractal methods provide scale-invariant approaches to modelling the in-situ variability of
orebody attributes. Fractional Brownian motion (fBm) models are a specific class of random …

Predicting the spatial distribution of pyrite concretions and its influence in continuous coal mining

JFCL COSTA, JC KOPPE, LE DE SOUZA… - Mineral Resources …, 2001 - World Scientific
Mine planning in the coal industry is traditionally developed using a geological model built
by discretising relevant geological and engineering attributes into small blocks. Production …

[HTML][HTML] Distribuição espacial de concreções piríticas e sua influência na performance de conjuntos mecanizados em mina de carvão

JFCL Costa, JC Koppe, LE Souza… - Rem: Revista Escola de …, 2001 - SciELO Brasil
O planejamento mineiro na indústria carbonífera é tradicionalmente desenvolvido utilizando
um modelo geológico construído pela discretização de atributos relevantes (geológicos, de …