Estimation 12 Feb 2026
Ordinary Kriging in Plain English (Without the Sigma Notation)
A pragmatic tour of Ordinary Kriging — variograms, weights, negative kriging and why it's still the workhorse estimator in 2026.
by Dr. Ananya Rao
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Popular reads
Field notes from the SMIN team.
Modelling 04 Feb 2026
Calibrating Ore-Shell Iso Values Against Field Statistics
Picking the wrong iso-value collapses your ore shell into an implausible blob or a shattered sliver. Here's the field-statistics approach we use.
by Rahul Menon
Mine Planning 22 Jan 2026
The Five Most Common Lerchs–Grossmann Pit Optimisation Mistakes
From ignoring rock-domain slope zones to over-fitting revenue factors, the five sins we see most often — and the fixes that unlock a defensible optimal pit.
by Ivan Petrov
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