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Archive for the ‘Gold’ Category

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Yesterday in the post just below this post, I bemoaned the fact that there is no general model or method out there to estimate the cost of mine tailings management.  That issue remains valid today.

I have however, been informed that there is a cost model for gold heap leach pads.  It is compiled by Fred A. Leonard.  He currently provide service via his private consulting practice in Winnemucca, Nevada.  Contact me for his phone number.

His model is generally available through CostMine

Incidently, if you want to learn more about heap leach pad design, construction, operation, and closure go to the EduMine course at this link.

Or come to the conference later this year on heap leach pads.  See this link.

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The expensive clothes store at the entrance to our office building is advertising “two hand-made suits for $1,500.”  This tells that the price of gold will decrease a lot more.  For historically the price of gold has been equal to the price of a suit for a well-dressed man.  It cost an ounce of gold to buy a toga for a Roman senator;  it cost ounce of gold to buy the outfit Lord Capulet wore at that fateful ball where Juliet met Romeo; it cost my father $35 for a good suit when he was a miner of gold at $35 an ounce.  Why should I pay twice the price of an ounce of gold for a suit? (more…)

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pascua lama

There is no mine water solution for the Pascua Lama mine in the high Andes of Chile and Argentina.  Here is one report(more…)

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Yesterday I finished a three-day EduMine webcast on Mining Investment – Understand the Risks.  Today I took my own advice to heart and attended a presentation by Luquman Shaheen of Panoro Minerals Ltd on their projects in Peru.  Should I invest?  Should I advise you to invest?  Should we join Hudbay Minerals who own some seven percent of the company in the excitement of new prospects in a mining-potential-rich part of Peru? (more…)

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The following just in from Venmyn Deloitte on reworking of old South African slimes dams or tailings facilities to use the more modern term.  All the old slimes dams around the area I grew up are gone.  The biggest loss is that big pile of yellow sand down which we would slide on corrugated cardboard boxes.  The pile was so full of uranium and gold that it was one of the first to go.  I hate to think what our radioactive exposure was as kids.  I can report no ill after-effects either from the radioactivity or from the mercury my father brought home for us to play with on the bedroom floor.  And we knew not what a seatbelt was in those heady days of vast exposure to danger.  (more…)

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In the mid-fifties, gold cost $35 an ounce.  My father, a mine captain, earned a hundred and fifty pounds a month.  I cannot be sure of the exchange rate.  Vaguely I recall that a pound was about two dollars.  So let us say he earned about ten ounces of gold a month or about one hundred ounces of gold a year.

With gold at about $1,700 an ounce these days, a hundred-ounce-a-year salary is about $170,000.   How many miners these days earn that sum?  Truth is not many from what I can see.  You have to be pretty senior to earn that salary–but then my father was relatively senior.

These gold-price to salary comparisons are prompted by a fun article in Commodity HQ at this link.  Surprising how little an ounce of gold buys these days.  I know that I spend the equivalent of an ounce of gold each month on books, CDs, DVDs, and other indulgences, vices, and diversions.  What gold-percent of your income goes on pure pleasure?

Which makes me wonder if mining salaries and the price of gold have advanced in lock-step with the price of gold — or have salaries fallen behind?  Is there a correlation?  I have done no research for this posting.  I leave that to those with a greater eye for the detail of the price of gold.  And I would appreciate your take on the correlation of the gold price and mining salaries.

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Spain was a major source of gold to the Roman Empire nearly 2,000 years ago.  Today a Canadian mining company seeks to reopen or at least extend these old gold resources.  (more…)

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The report by the peer review group brought together to review  the EPA report on Bristol Bay and the potential impacts thereon from the Pebble Mine (or other mines that may be developed in the area) is out.  (more…)

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The news seems to be uniformly gloomy:  The ANC Youth League saying nationalization of mines must occur; Rio Tinto and BHP cutting staff and costs: Barrick’s credit rating downgraded because of Pascua Lama delays; and so on (more…)

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I have worked for many fine and skilled process engineers.  They are usually the folk on the mine who are assigned responsibility for the tailings facility, which is the place to which the process wastes (tailings) go.  Currently two of my clients are women process engineers.  They are demanding, detail-oriented, and good at geotechnical engineering, although they disclaim any expertise in the subject.  (more…)

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