Multiple-point statistical simulation of the ore boundaries for a lateritic bauxite deposit
Resource estimation of mineral deposits requires spatial modelling of orebody boundaries
based on a set of exploration borehole data. Given lateritic bauxite deposits, the spacing …
based on a set of exploration borehole data. Given lateritic bauxite deposits, the spacing …
Automatic parameter tuning of multiple-point statistical simulations for lateritic bauxite deposits
The application of multiple-point statistics (MPS) in the mining industry is not yet widespread
and there are very few applications so far. In this paper, we focus on the problem of …
and there are very few applications so far. In this paper, we focus on the problem of …
Pilot point optimization of mining boundaries for lateritic metal deposits: Finding the trade-off between dilution and ore loss
Geological contacts in lateritic metal deposits (footwall topographies) often delineate the
orebody boundaries. Spatial variations seen in such contacts are frequently higher than …
orebody boundaries. Spatial variations seen in such contacts are frequently higher than …
Spatial prediction of lateral variability of a laterite-type bauxite horizon using ancillary ground-penetrating radar data
Tropical laterite-type bauxite deposits often pose a unique challenge for resource modelling
and mine planning due to the extreme lateral variability at the base of the bauxite ore unit …
and mine planning due to the extreme lateral variability at the base of the bauxite ore unit …
Accounting for a spatial trend in fine-scale ground-penetrating radar data: a comparative case study
Y Dagasan, O Erten, E Topalf - Journal of the Southern African Institute …, 2018 - scielo.org.za
In geostatistics, one of the challenges is to account for the spatial trend that is evident in a
data-set. Two well-known kriging algorithms, namely universal kriging (UK) and intrinsic …
data-set. Two well-known kriging algorithms, namely universal kriging (UK) and intrinsic …
Incorporating fine-scale ground-penetrating radar data into the map** of lateral variability of a laterite-type bauxite horizon
Ground-penetrating radar (GPR) offers an inexpensive and rapid method for delineating the
laterite profiles by acquiring fine-scale data from the ground. In a case study, a GPR survey …
laterite profiles by acquiring fine-scale data from the ground. In a case study, a GPR survey …
Modelling of bauxite seam attributes and quantifying in-situ ore volume uncertainty in the presence of geophysical information
The precise prediction of the footwall variability of a lateritic bauxite seam is of critical
importance for the quantification of ferricrete dilution and ore loss that is likely to occur …
importance for the quantification of ferricrete dilution and ore loss that is likely to occur …
Assessment of experimental semivariogram uncertainty in the presence of a polynomial drift
The semivariogram, which measures the spatial variability between experimental data, is
generally used as a structural input in all two-point geostatistical procedures. However, in …
generally used as a structural input in all two-point geostatistical procedures. However, in …
Development of Digital Subterranean Models for Real-Time Open Cut Horizon Control
AD Strange, Z Jecny - Resources, 2020 - mdpi.com
A reliable coal seam sensing system is required to improve the productivity of selective
mining in open-cut mining operations. A prototype system based upon commercial ground …
mining in open-cut mining operations. A prototype system based upon commercial ground …
Development of a grade control technique optimizing dilution and ore loss trade-off in lateritic bauxite deposits
Y Dagasan - 2018 - espace.curtin.edu.au
This thesis focusses on the development of new techniques to improve the resource
estimation of laterite-type bauxite deposits. Contributions of the thesis include (1) a …
estimation of laterite-type bauxite deposits. Contributions of the thesis include (1) a …