The Wolf was the deadly enemy of Man and Horse. The Man could easily kill the Wolf with his spear, but he could never run fast enough to catch it. The Horse could easily outrun the Wolf but had no weapons. So Man and Horse made a […]
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Drill Core Orientation Tools An oriented drill hole is one where the inclination and azimuth of all sectors of the hole axis are known, usually by means of a special down-hole survey. This data provides the inclination and azimuth of the longitudinal axis (the Core Axis, CA) of the cylindrical […]
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Summary Measuring the attitude of structures in drill core requires fully oriented core. But the tools for orienting core that are currently available to drillers often fail, especially with small core diameters (NQ or less) and where the rock has fissile surfaces within it. As these failures […]
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I have just come across a new word – saxicavous, so I look it up in that well-known source of Truth and concise definition – Wik Dictionary. To discover a bald definition: “boring rocks“. Wonderful! This is a word I have been looking for all my professional […]
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Beneath the canopy it is dark and gloomy on the forest floor, the air heavy ahead of late-afternoon rain. I am alone in a remote spot on a remote island in a remote corner of the Pacific. Three men appear from the trees behind me. They are […]
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To stumble upon in the field and recognise it for what it is – outcropping mineralisation with the grade and size potential to become an orebody. A long-anticipated moment of fierce joy and satisfaction for the lone prospector or exploration geologist. I does not happen very often […]
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Scientific knowledge is a body of statements of varying degrees of uncertainty – some most unsure, some nearly sure, none absolutely certain.” – Richard Feynman, Theoretical Physicist and Nobel Laureate. “The unknown is the dark matter of all things, the greater part of the universe.” Geoffrey Weiss, 2021 […]
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As a 10-year-old in 1953, I migrated with my family to South Australia, and settled in to one of the fast-growing outer suburbs of Adelaide that were being rapidly built at that time to accommodate the post-war influx of migrants. I enrolled for the new term at […]
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The Problem Climate Change (CC) dominates today’s environmental concerns. We are daily bombarded with the message that it will lead to future catastrophe for humanity, if not for the planet. Human emissions of greenhouse gasses are the primary cause and only drastic societal change will enable us […]
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