by dcameron | Oct 1, 2025 | Bulk Density, Drill Hole Spacing, Exploration, Geostatistics, Grade Control, Mineral Resources, Production Reconciliation, QA/QC, Resource Classification
Following is a copy of the comments I submitted on the proposed changes to the Instrument, companion policy and Form 43-101F1. It is an opportunity to improve reporting standards which have been essentially unchanged for over a decade. September 18, 2025 To: British...
by dcameron | Mar 12, 2025 | Bulk Density, Climate Change, Critical Minerals, Drill Hole Spacing, Geo Logic, Geostatistics, Grade Control, Mine Geology, Mineral Resources, QA/QC, Resource Classification, Significant Figures
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...
by dcameron | Mar 20, 2023 | A.I., Grade Control, Production Reconciliation
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...
by dcameron | Feb 8, 2022 | Grade Control, Mine Geology, Mineral Resources
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...
by dcameron | Feb 3, 2022 | Grade Control, Mine Geology, Mineral Resources
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...
by dcameron | May 16, 2020 | Bulk Density, Grade Control, Mine Geology, Mineral Resources, Production Reconciliation
At first glance, reporting of grade and tons from underground face sampling seems like a no-brainer application of simple arithmetic in EXCEL, right? Yup, no argument there…except, how come it is almost always done incorrectly due to faulty formulas, faulty...
