Author Archive | Jack Caldwell

Chile Earthquake and Tailings Seismic Response

A 5.7 earthquake has just rattled the building here in Santiago where I sit. This link tells us the magnitude, location, and depth—a real deep 95km. I was sort of day-dreaming my way through compilation of a PowerPoint presentation, when the computer started to shake and I heard the noise of the windows and screens. […]

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Making Bad Mining & Blogging Decisions

We are called on from time to time to make decisions. Private, personal, professional, work, design, and writing decisions are made everyday by most of us. I believe that all honest, moral folk try to make good & sound decisions. Only the wicked and evil, Iago-like, make bad decisions consciously. Yet we must all admit […]

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Dust Control at Mines

Home at last after nearly three weeks away in places where mining is flourishing. Too much going out delayed blogging. Here is one piece of advice I got while working and partying. It pertains to control of dust on mines. There are many patented products out there to spread on loose soil in an attempt […]

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Pebble Mine and Anglo American Investment Advice

This week’s mining investment advice follows. It is late Sunday night, I rode too many miles on my bike, ate too much fatty food at Granville Island, drank too much tea, watched too much opera, and drunk too much brandy to be a sound investment advisor. Yet what I write here is, I submit, profound […]

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