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 | Nov 20, 2022 | DIE Factor, Drill Hole Spacing, Geostatistics, Mineral Resources, Resource Classification
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...
by dcameron | Oct 15, 2018 | Drill Hole Spacing, Geo Logic, Mineral Resources, Resource Classification
For those vein miners who might read this, let’s discuss a bit about drilling angles. If any of us are asked if we want to drill across structure or down structure, most of us will always choose the former. For those who wouldn’t, please take this...
by dcameron | Aug 14, 2018 | All, Drill Hole Spacing, Mineral Resources, Resource Classification
What is your sample or drill hole spacing? We are supposed to know in order to disclose exploration information and to estimate mineral resources, according to 43-101 and JORC guidelines. JORC code states: “Geological evidence and knowledge required for the...
