AI-GEOSTATS: kriging variance and resources classification

Dear list,

I am searching any references which can address the relationship between kriging variance and mineral
resources classification (measured, indicated, and inferred). Is there rule of thumb for that? As I
know, kriging variance only takes into account drilling spacing and variogram model, while grade value
is not related to it.

I hope anybody in the list could give me the hint.

Thank you.
---------------
M. Nur Heriawan
Earth Resources Exploration Research Group
Faculty of Mining and Petroleum Engineering
Institut Teknologi Bandung (ITB)
Jl. Ganesha 10 Bandung 40132 INDONESIA
http://www.mining.itb.ac.id/heriawan

      
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