Spent today working on the final section of a new EduMine course I am writing on the topic of Geotechncial Engineering for Mine GeoWaste Facilities, including tailings impoundments, waste rock dumps, and heap leach pads. Here is some text that did not make the cut. I post it here as it is interesting, although [...]
Archive for the ‘Heap leach’ Category
Mine tailings, rock dump, and leach pad geotechnical issues
Posted in Geotechnical, Heap leach, Tailings, Waste Rock, tagged design, Geotechnical, heap leach pad, tailngs, waste rock dupm on May 8, 2010 | Leave a Comment »
TETRA TECH a force in mining; a belated awakening
Posted in environmental, Geotechnical, Heap leach, People, tagged consultants, geosyntec, Jacobs, mining, Tetra Tech, Wardrop on November 23, 2009 | 1 Comment »
If you go to the TETRA TECH website you will find that they have about 10,000 staff. Mike Henderson, the VP Mining with TETRA TECH told me that about 2,700 work for the mining industry.
Teck Investing on the basis of personal decisions–more information on Don Lindsay to help you make money
Posted in British Columbia, Coal, Heap leach, Investing & Finance, People, tagged CIM, Don Lindsay, invest, mining, students, Teck on November 20, 2009 | Leave a Comment »
Last night I strode through the rain to the Hyatt Hotel where the BC branch of the Canadian Institute of Mining (CIM) held their annual students dinner and talk. The foyer was crowded with students drinking and laughing with old folk in the mining industry—the sound bouncing off the plaster and paint of the [...]
The Philosophy of Mining Design
Posted in Heap leach, Hydrology and hydraulics, tagged design, Heap leach, mining on October 28, 2009 | 1 Comment »
Design is the art of applying the principles of science in formulating practical solutions to real-life problems. Design is the act of coming up with a cost-effective way to build and operate a physical structure, whether it be a bridge, a building, a tailings impoundment, a heap leach pad, or an access road to [...]
Global warming via geotechnical change
Posted in Global Warming, Heap leach, Waste Rock on October 1, 2009 | Leave a Comment »
Can you quantify global warming by measuring changes in slope stability? I cannot imagine how. But a fellow geotechnical engineer is off to China soon to meet with ten other geotechnical engineers to talk about monitoring geotechnical structures in an attempt to determine if global warming is affecting the geotechnical structures.
Nevada Heap Leach Pad gets geosynthetic cover
Posted in Heap leach, Reclamation on September 15, 2009 | Leave a Comment »
Heap leach pads are piles of mine-derived rock that is placed on a liner and flushed with solutions to liberate the gold, copper, or nickel in the rocks. At this link I have written extensively about the design, construction, operation, and closure of heap leach pads.
Why do we need professional mining engineers?
Posted in California, Geotechnical, Heap leach, Tailings on June 24, 2009 | 3 Comments »
Just had a drink in the local pub and a heated discussion of the need for professional registration by mining engineers. I am sure I lost a good part of the argument, so to update myself I took a look at the SME publication Study Guide for the Professional Registration of Mining/Mineral Engineers. As background and [...]
Colorado Supreme Court overturns cyanide in mining ban
Posted in About the news, Cyanide, Gold, Heap leach, People, tagged ban, Colorado, Cyanide, Jarid Polis, mining, supreme court on January 14, 2009 | 1 Comment »
The Colorado Supreme Court has just restored sanity to mining in Colorado. Basically the justices decided that the state has a “dominant interest” in the regulation of mining activities and individual counties cannot go doing all sorts of weird and wonderful things to regulate mining. At this link is the report that tells of the [...]
Bellavisa mine heap leach pad et al. moves again
Posted in Heap leach, tagged Bellavista, collapse, Costa Rica, failure, heap leach pad, mine, Mirmar, Sonia Torres on April 25, 2008 | Leave a Comment »
Bellavista is a common name for beaches, condominium complexes, and estates in Costa Rica. It is also the name of a mine. Above is a picture of a beach by the name of Bellavista. For lots of pictures of the mine and its story go to this link. In Spanish here is a report on [...]
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