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Thoughts on geology, the mining industry, and more.
Critical Birds
At one time, I identified myself as a field geologist by vocation if not necessarily by aptitude. Many field geologists have a collateral hobby to augment the experience and/or relieve the mind from the constant focus on rocks....
Well-Rounded Estimates
It may seem like a mundane question, but do we report tonnage, grade and metal correctly and consistently in our public disclosures of mineral resources and reserves? I’ll venture that our public disclosures of mineral resources and reserves don’t always measure up....
Trust the Science – Geo Logic
Like it or not, we got a taste of the power wielded by overuse of the word “science” in this decade. Heretofore, some of us innocently thought that science was an abstraction, but we subsequently found out that it can be used as a club. While we can...
All on One Page of Engineering and Mining Journal…
As I was skipping rapidly over the mining news and the now-standard genuflections to the “net-zero” energy transition in various sections of the magazine written by people who should know better, I paused on this page (below) for the irony. I wonder if I keep reading...
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 portions of...
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...
Confessions of an Economic Geologist: Part I – Feeding the Mineral Baby
Obviously, geology is not the oldest profession, but I wonder if, as the science of very old stuff, it’s logical that we practitioners would so easily sell ourselves? What on ‘earth’ am I talking about? I’m not talking about a miner plunking his mercury-soaked...
Changing of the Guard – Part 2 – The Anaconda Mapping Method
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...
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...
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