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Look after your Drill Core: it’s a resource that keeps on giving

Look after your drill core: it’s a resource that keeps on giving Diamond drilling is always undertaken for the needs of the moment. But fresh-cut rock, in most cases, will last hundreds, if not thousands, of years. Drill core is a resource which can keep on giving […]

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Aboriginal Heavy Mineral Separation Technology in the Pilbara, Western Australia

Aboriginal Heavy Mineral Separation Technology in the Pilbara of Western Australia More than 50 years ago I observed a heavy mineral separation technique being practiced by aboriginals in the Pilbara region of Western Australia. The technique was simple, effective and probably unique. I have never seen it […]

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The Philanthropist of Nullagine

The philanthropist of Nullagine The town of Nullagine, in the Pilbara region in the northwest of Western Australia, is situated 1400 km NNE OF the State capital Perth, where the old Great Northern Highway crosses the broad, dry, sandy bed of the Nullagine River. The town was […]

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Climate change: naming of parts (re-post)

Climate change: naming of parts Reed, Henry. “Naming of Parts.” New Statesman and Nation 24, no. 598 (8 August 1942): 92. NAMING OF PARTS To-day we have naming of parts. Yesterday, We had daily cleaning. And to-morrow morning, We shall have what to do after firing. But to-day, […]

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The movement of faults

The movement of faults Faults are not mathematical planes (2D surfaces with length and depth but no thickness) but 3D tabular zones of deformed rock. The length and depth of a fault is always much greater than its thickness, but fault width can vary through many orders […]

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The purpose of science is to seek truth, not proclaim it

he purpose of Science is to seek truth, not proclaim it. “Science is an ongoing race between our inventing ways to fool ourselves and our inventing ways to avoid being fooled.”- Saul Perlmutter, Astrophysicist and Nobel Laureate. Is there such a thing as a geological fact map? […]

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Fear Of Fat

FEAR OF FAT Men, it has been well said, think in herds; it will be seen that they go mad in herds; while they only recover their senses one by one. Charles Mackay, 1841 In 1841, Scottish journalist Charles Mackay wrote a book called Extraordinary Popular Delusions and the […]

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How to salt a gold claim – Part 2, Karpa Springs and Busang

How to Salt a Gold Claim: Part 2 – Karpa Springs and Busang In my previous post I described my encounter in 1984 with claim salting (or at least, alleged salting). These were early days, the late 20th Century gold boom was still young, and  claim salting […]

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How to salt a gold claim: Part 1, Queensland interlude

How to Salt a Gold Claim: Part 1 – Queensland Interlude Looking through a box of my old field notebooks the other day I came across one which contained a cartoon sketch I had made of an old Queensland prospector and remembered the story behind it. In […]

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Stereonet solution for non-oriented core

Stereonet solutions for non oriented drill core Shawn Harvey of Saskatchewan sent me this email earlier this year: Hello again Roger,  You previously helped me out with some alpha-beta stereonet solutions which worked great (thanks again!!). I am now looking into a slightly more complex stereonet issue. […]

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