by dcameron | Aug 15, 2025 | All, Bulk Density, Exploration, Geo Logic, Measurement Systems, Mine Geology, Mineral Resources, QA/QC, Resource Classification, Sampling, Significant Figures
This is going to be a really boring read for any but the most habitual miners in the miniscule audience. Even if most of us economic geologist types will agree that rock bulk density is a neglected subject in all facets of exploration, mineral resource estimation and...
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...
by dcameron | Dec 30, 2017 | All, Exploration, Grade Control, Mine Geology, Mineral Resources, Sampling
How do your samples stack up against the ones taken by your Great Grandfather? Rickard, 1903: “No ground that can be mined in the ordinary way, that is, by drilling holes and charging them with an explosive, is too tough for a moil struck by a double-hand hammer,...
