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Posts Tagged ‘Waste Rock’

Last week I needed to brush up on stability analysis of waste rock dumps or embankments as they are sometimes called.  I went to the obvious sources: EduMine.  I opened the course Design  and Operation of Large Waste Dumps by Tim Eaton and Scott Broughton. In the section on Analysis they present a masterful description of the various failure modes and how to analyse them. They add this on probability of failure: (more…)

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You remember Jill.  She is the philosophy major who is employed by an innovative mining company, MMC, to oversee risk management of the mining company’s geowaste facilities including the tailings, waste rock, and heap leach facilities. (more…)

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Introduction

Today I went to HR Block and had my taxes calculated.  It is a disaster: I owe lots and the total taxes I paid is more than the average Canadian salary.   I am seriously considering selling up and moving to Las Vegas.  And stopping working.  Why work to merely pay great sums to the government that squanders the money on frivolous pursuits?   I could blog away at no cost to anyone; to no income to me; and to no taxes to a far-distant gobbler and distributor of my earned income. (more…)

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The Wisconsin legislature has just posted a proposed new law on mining in the state.  The full document is available at this link.    At 191 pages it is not a short read; but it is a must-read.  And it is a fascinating read.  It is serious and sometimes frivolous.  Consider these sections that caught my eye on scanning the document: (more…)

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Today I was criticized for failing to clearly set out the project objectives.  Damn me, I know what we are setting out to do.  “But the rest of us do not,” was the reply. And so I wrote out the project objectives in deliberate detail.  And that set me writing the rest of this posting.  It may be entertaining; I hope it is informative; as least it should give you some idea of the issues and events involved in mine waste disposal engineering.  (more…)

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More on slimes dams, tailings impoundments, and processed geological materials residue deposits.  Here is an extract from a recent e-mail setting out the regulations that govern tailings dams in South Africa. (more…)

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A short posting to recommend some weekend reading.  If you go to this link, you will find under the heading New on TechnoMine two newly posted documents: (more…)

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