4 articles
Your kriging search ellipse determines which samples influence each block estimate. Too big and you over-smooth. Too small and you're noisy. Here's how to find the right one.
Your variogram is the foundation of your kriging estimate. Get it wrong and every block in your model is biased. Here are the five mistakes I see most often in Indonesian resource projects.
Swath plots, NN comparison, grade-tonnage reconciliation — the 7-step block model validation checklist every resource geologist should run before CP sign-off.
Variograms without the equations. A field-first walkthrough of sill, range, nugget, anisotropy, and how to actually read an experimental variogram before you fit a model.
From Orebit — practical geology tools for working geologists
