Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Cuyuna Range Manganese Resources
By R. J. Beltrame
The Cuyuna range, located in east-central Minnesota, consists of a sequence of argillite, siltstone, iron-formation, graywacke, slate, and quartzite of early Proterozoic age. Manganese-bearing materia
Jan 1, 1981
-
Optimal Sizing Of Conventionally-Sunk Ventilation Shafts Based Upon Capital And Operating Criteria (e05ee128-628b-45f8-8a69-2e8e36ccc831)
By Y. J. Wang
The selection of a shaft size for ventilation purposes is a classic problem of concern to mining engineers. This presentation is concerned with the sizing of conventionally-sunk circular shafts with c
Jan 1, 1977
-
Insights Into Heap Leach Technology
By N. Dhawan
With ever-increasing demand, low-grade complex ores and strict environmental regulations, metallurgical processing options have become limited. Heap leach technology provides several benefits to comba
Jan 1, 2012
-
Underground Construction Applications Of Grout
By William R. Nash
Case histories of water problems in underground mine shafts and tunnels are outlined to illustrate varying degrees of sophistication in grouting techniques currently applied in such construction. The
Jan 1, 1984
-
Physiological Analysis Of Human Generated Heat In A Refuge Alternative
By T. E. Bernard
Occupying a refuge alternative (RA) is an accepted practice in mine fires and explosions when escape is not feasible. MSHA has promulgated a final rule on refuge alternatives that includes a recogniti
Feb 27, 2013
-
Dewatering Of Fines By Rotary Vacuum Disc Filters
By S. C. Langvik
The presentation named 'Dewatering of fines by Rotary Vacuum Disc Filters' has an opening why the filtration process is important to the Iron Ore Industry. It goes on to describe the variou
Jan 1, 2001
-
Environmental Evaluation of Mining Systems
By P. Schmieder
"The close vicinity of mining companies to other sites that are used for commercial and residential purposes or to areas under conservation as well as the fact that the people become more and more sen
Jan 1, 2005
-
Records Retention And Recovery – Corporate Norms And Issues
By Donald W. Stever
In 1995 I was asked to participate in a litigation matter between a corporation and its insurance carriers concerning insurance coverage for remedial costs at a large, environmentally contaminated clo
Jan 1, 2005
-
Haile Gold Mine Metallrgy And Flowsheet Review
By J. Wickens
Haile Gold Mine is located near Kershaw, South Carolina, approximately 50 miles south of Charlotte, North Carolina. Gold was first discovered at the site in 1827, and the property has been through sev
Feb 27, 2013
-
Evaluation Of Best Management Practices For Mining Solid Waste Storage, Disposal, And Treatment - A Status Report ? Introduction
By Jack S. Greber
The mining industry generates an estimated 2.3 billion tons of solid waste each year and the total accumulated mineral resource solid waste at both active and inactive mine sites, approaches 30 billio
Jan 1, 1981
-
Flotation Of Sphalerite From Galena With Sodium Carboxymethyl Cellulose As A Depressant (6034006e-5c07-4626-bc83-fde6ac681018)
By Ruiren Jin
In alkaline pulp, galena is depressed by sodium carboxymethyl cellulose (NaCMC), while Cu(II)-activated sphalerite exhibits a high flotability so that satisfied separation can be achieved. In addition
Jan 1, 1987
-
Determination Of The Leaching Parameters For A Refractory Gold Ore Containing Aurostibite And Antimony Minerals: Part II ? AD Zone
By G. Deschênes
Following a successful investigation on the Central Zone sample, a cyanidation study was conducted on an ore sample from the AD-MW Zone of Clarence Stream Property, owned by Freewest Resources Canada,
Jan 1, 2009
-
New Approach Of ASFINAG For Tunnel Construction Monitoring Of The Tauern Tunnel Project In Austria
By Robert Schnab
ASFINAG is responsible for the construction and operation of the Austrian highway system. It is approx. 2,400 km of highways and 65 tunnels with a total length of 200 km including the Tauern Tunnel.
-
Rail and Belt Haulage Systems
By Christopher J. Bise
INTRODUCTION The principal means for transporting men, supplies, and mined material in an underground or surface mine are rail systems, conveyor belt systems, or a combination of the two. Typicall
Jan 1, 1986
-
A Combination Blind Or Reaming Drill For Raise Construction
By L. "Andy" Anderson, Stephen N. Short, James E. Friant
Since the introduction of "boxhole" drilling in South Africa in 1973, the concept of a blind raise, drilled upward from below, has become an accepted mining practice. A combination machine, capable of
Jan 1, 1985
-
New Developments In Plastics Separation
By J. I. Schoenherr, G. Schubert, F. Demczenko
The currently known and used plastics and rubber recycling or sorting processes cannot be applied efficiently and economically due to large amounts of fine bulky materials (<3 mm). These wastes are mo
Jan 1, 2002
-
Mining Phospates in Yunnan - Potential is Great, But So Are Problems
Recent accelerated exploration efforts in southwest China have progressively quantified the vast phosphate resources in the Yunnan Province. To date, according to Chinese geologists, potential reserve
Jan 3, 1980
-
Oversize Reduction Project At The Iron Ore Company Of Canada (ME)
The Iron Ore Company of Canada (IOC) is the largest manufacturer of iron ore pellets in Canada and its customer base covers North American, European and Asian steel producers. The company operates a m
Jan 1, 2011
-
Colorado Miners Discuss Challenges of the New Century
By Steve Kral
The mining industry in Colorado faces the same problems the industry faces throughout the United States and the world — record low commodity prices and increasing regulatory and environmental restrict
Jan 1, 2000
-
Study On Preparation Techniques Of Carnallite With Waste Brine
In this work, the crystallization of Carnallite from waste brine of Qaidam Basin in Qinghai province was studied based on NaCl-KCl-MgCl2-H2O phase diagram. According to this study, a new crystallizati
Jan 1, 2012