http://blog.bulk-online.com/sampling-statistics/spatial-dependence-in-mineral-exploration.html A weblog for the worldwide powder and bulk solids handling and processing community. Fri, 07 Oct 2011 14:26:35 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://blog.bulk-online.com/sampling-statistics/spatial-dependence-in-mineral-exploration.html/comment-page-1#comment-31525 crusher Tue, 27 Oct 2009 09:18:35 +0000 http://blog.bulk-online.com/?p=574#comment-31525 After showing my audience how to derive 95% confidence limits of the masses of in-situ gold and silver, I asked why the variance of Agterberg’s distance-weighted average point grade is still missing. I didn’t get a single response. There were no questions and I got but a pinch of polite applause. My soul mate got an anonymous note together with the second coming of Clark’s 1979 Practical Geostatistics on DVD. Which APCOM 2009 sponsor ignored my question but handed my spouse an anonymous note? Was it Gemcom? Or did Geovariances do it? After showing my audience how to derive 95% confidence limits of the masses of in-situ gold and silver, I asked why the variance of Agterberg’s distance-weighted average point grade is still missing. I didn’t get a single response. There were no questions and I got but a pinch of polite applause. My soul mate got an anonymous note together with the second coming of Clark’s 1979 Practical Geostatistics on DVD. Which APCOM 2009 sponsor ignored my question but handed my spouse an anonymous note? Was it Gemcom? Or did Geovariances do it?

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