The Orotron II, or How My Invention Nearly Ended My Career

With all this talk recently about artifiicial intelligence, we need to be careful with its application. A fairly long time ago I was Chief Geologist for a mining company that had recently purchased an operating gold mine on a southern continent, the geological staff...

Drill Hole Information Effect (DIE)

I’d like to introduce the patient reader and my clients to a conceptually simple tool that is useful for the assessment of resource risk.    The Drill Hole Information Effect (DIE), as I propose to call it, is the observation that the deeper...

Confessions of an Economic Geologist: Part II – ESG

It’s time to get the pile of magazines off my desk which serve as a daily reminder of ESG, Dr. Evil’s newest creation. If I can just write this post, wasting as few words as possible, I promise myself and you to return to technical topics. Writing my notes about ESG...

Changing of the Guard – Part 1 – The Anaconda System

The mining industry has lost one of its best mining engineers with the death of James S Knowlson V this last January 2, 2022. Jim was the Chief Engineer at Anaconda’s Butte, Montana operations, starting there as an underground sampler in the late 60’s while he worked...