Jack Caldwell

Why DNPV may be better than NPV

Net present value can lead to substantial valuation errors, particularly for long-term investments which are typical for large infrastructure projects.

Jack Caldwell | March 14, 2015 - 8:04 pm

Base Metals

Why Mount Polley failed

Jack Caldwell speculates on why Mt. Polley failed by examining the satellite images.

Jack Caldwell | August 29, 2014 - 3:42 am

Base Metals

Mt. Polley: Expert panel review

"I do not believe a better panel could be found."

Jack Caldwell | August 19, 2014 - 7:37 am

Geosynthetics solutions in mining

On September 8 to the 11 2014, InfoMine is hosting the first international conference on Geosynthetics Solutions in Mining. Why a conference on geosynthetics in mining when there are other conferences on geosynthetics? Two reasons: first because geosynthetics in mining have to solve problems not commonly encountered in civil construction; and second because almost half […]

Jack Caldwell | August 12, 2014 - 11:20 pm

What caused the Mount Polley tailings pond failure?

“Whatever the facts, the failure casts a poor light on the industry, and makes all of our jobs more difficult in the future.”

Jack Caldwell | August 5, 2014 - 7:52 pm

Tsilquot’in Nation and BC Mining–Canada’s supreme court ruling

Almost everybody in mining that I talk to has an adverse opinion about the recent Canada Supreme Court ruling that the Crown has a duty to obtain First Nations or Aboriginal consent before mining on claimed land. Opinions include: “Why invest in potential new mines in BC? The natives will oppose—forever as far as investing […]

Jack Caldwell | July 1, 2014 - 2:14 am

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Precious Metals

What it takes to be a mine manager at a fly-in, fly-out camp

I have not posted on this blog the past few days. The reason: I was at a fly-in, fly-out camp where the internet connection is sporadic and they do not make it easy to access spurious blogs.

Jack Caldwell | June 1, 2014 - 2:30 am

Paste 2014: Great Papers, Great Venue, Great Events

An unprecedented number of papers have been submitted for the upcoming 17^th International Seminar on Paste and Thickened Tailings, to be held in Vancouver, Canada from June 8^th to 12^th this year.

Jack Caldwell | March 31, 2014 - 4:04 pm

Ten books every miner should read

Conference proceedings are the lifeblood of knowledge accumulation and transfer in the mining industry.

Jack Caldwell | February 16, 2014 - 4:40 am

Energy

2013 Mining Deaths

Forty-two miners died in work-related accidents at the nation’s mines in 2013, an increase from the 36 miners who died in 2012.

Jack Caldwell | January 6, 2014 - 9:10 pm

Videos

Mining’s next big threat: EY warns high prices are masking deeper risks

October 30, 2026

Gold could defy another Fed rate hike, Peter Grandich says

October 29, 2026

Gold juniors trading at ‘80% off’ as mining takeover wave looms, says Michael Gentile

October 19, 2026

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