Introducing MinePlan Sigma v2.1 Hexagon’s MinePlan team is thrilled to share multiple enhancements to the latest version of Hexagon MinePlan Sigma that help with geostatistical analysis. Cross Variograms Comparing two different variables can now be performed using cross and cross-collocated variograms in Sigma. This provides critical information for co-kriging interpolation.  Possible variable combinations that can be analysed are grade from two different sets of data, such as exploration holes and blasthole assays; or two variables from the same data set, such as gold and silver.  Variogram Overlay Variograms can now be visually analysed on the same graph using the Variogram…