Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Exploration remains hot
As metal prices fluctuated over the years, so too have the fortunes of many of those mining in Canada?s Yukon province. With a rich mining history that dates back to the Klondike gold rush of 1896 to
Jan 1, 2010
-
Cuprex – new chloride-based hydrometallurgy to recover copper from sulfide ores
By Enrique Hermana, Raymond F. Dalton, Raymond Price, Barry Hoffman
Introduction Chloride leaching of sulfidic ores has been known about for 100 years. It is recognized as a highly efficient process to produce concentrated leach solutions. Despite this, chloride leac
Jan 1, 1988
-
Middle Tertiary Mineralization Related To Metamorphic Core Complexes And Detachment Faults In Arizona And California - Introduction
By N. E. Lehman
Cordilleran metamorphic core complexes in the southwestern United States are areas where middle to late Tertiary low-angle normal faulting has uncovered rocks that were at temperatures sufficient for
Jan 1, 1987
-
A Global Inventory Of Mine Rescue Training Facilities ? Compendium Of Ideas To Improve U.S. Coal Mine Rescue Training - Preprint 09-101
By S. B. Bealko
In response to recent mining disasters and new mine rescue team legislation, NIOSH researchers conducted meetings across the United States with mine emergency response experts to investigate current n
Jan 1, 2009
-
Development Of A Tool To Predict Performance Of Debladed Main Fans At Henderson Mine
By D. Loring, J. Almgren
Climax Molybdenum Company’s Henderson Mine is a large panel caving molybdenum mine located about 43 miles west of Denver, Colorado. Three Joy M120-72-880 fans are installed in parallel on the No. 1 ex
Jan 1, 2007
-
A Robust Water-Balance Method For Sizing Heap Leach Solution Ponds
By J. R. Kunkel, V. Lishnevsky
At mine sites, the operational and required storage volumes of solution and water storage ponds and reservoirs are usually calculated based upon a water-balance approach. Many climatological variables
Jan 1, 2002
-
Correction to: Assessing the Quality of Incident Investigations and its Effect on Safety Performance: a Study of the Ghanaian Mining Industry Mining, Metallurgy and Exploration
By Carmel Bofinger, Maureen E. Hassall, David Cliff, Eric Stemn
e Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
-
Correction to: Assessing the Quality of Incident Investigations and its Effect on Safety Performance: a Study of the Ghanaian Mining Industry Mining, Metallurgy and Exploration (aedac21d-1502-45cd-a1bd-3d42a41c4f62)
By Carmel Bofinger, Maureen E. Hassall, David Cliff, Eric Stemn
e Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
-
Eight problems examined that point out serious inadequacies in testing for drug use
By James L. Weeks
Introduction This paper attempts to summarize some of the major criticisms of drug testing. Eight problems with drug testing are discussed. These are: • It does not measure something employers have
Jan 11, 1987
-
Design And Start Up Of The Cortez Gold Mines Pipeline Mill
By R. N. Powell
The Pipeline ore body was discovered in March 1991. The construction of the new mine and mill did not start until early March of 1996. Upon completion of permitting and corporate project approval, the
Jan 1, 1999
-
Medium-Temperature Pressure Leaching Of Copper Concentrates - Part III: Commercial Demonstration At Bagdad, Arizona
By J. O. Marsden
Parts I and II in this series of papers presented the chemistry of medium-temperature pressure leaching of copper sulfide concentrates and reviewed the metallurgical development of a process to effect
Jan 1, 2007
-
Why Do Some Passive Treatment Systems Fail While Others Work?
By J. J. Gusek
There are hundreds of passive treatment systems accepting mining influenced water (MIW) throughout the world. Some systems do not perform to design expectations while others, including volunteer syste
Jan 1, 2002
-
More Than 400,000 Expected at bauma 2004 in Munich
bauma 2004 will feature a couple of firsts for one of the world’s largest construction and building materials machinery exhibitions. The event is scheduled for March 29 through April 4 of next year a
Jan 1, 2003
-
Real-time measurements of diesel EC and TC in a Nevada Gold Mine with photoacoustic and dusttrak instruments: Comparison with NIOSH 5040 filter results
By W. P. Arnott
This paper presents real time photoacoustic measurements of diesel-soot black-carbon (BC or EC) and Dusttrak nephelometer total carbon (TC) concentrations in a Nevada gold mine. Comparisons with time-
Jan 1, 2009
-
Preliminary Design of the Caldecott Fourth Bore
By Bhaskar B. Thapa, Michael T. McRae, Johannes V. Greunen
This paper describes the preliminary design of the fourth bore of the Caldecott Tunnels along State Route 24 in Oakland, California. The paper focus is on two major aspects of the project: initial sup
Jan 1, 2007
-
Roof And Rib Hazard Assessment For Underground Stone Mines – Preprint 97-113
By L. J. Prosser, A. T. Iannacchione
Unfortunately from 1991 through 1995, 44 miners were fatally injured in the stone industry. Of these 12 occurred at underground mines from a total work force of less than 2,000 miners. Nine of these 1
Feb 24, 1997
-
NAT Attendees Get A Glimpse Of The Future Of Underground Space Use
In 1950, about a third of the world?s population lived in cities. That figure has steadily risen throughout the following decades. Now it is believed that about 60 percent of the estimated 8.1 billi
Jan 1, 2008
-
Carbon Emissions From Base Metals - Preprint 09-096
By M. J. Farrell
Mining is a significant emitter of greenhouse gases and is the focus of increasing attention from green groups and regulators. Miners need to know their own carbon emissions and how they compare with
Jan 1, 2009
-
From The Micro To The Macro Scale: A Textural And Chemical Perspective Of Characterizing Waste-Rock Material
By H. Lowers, P. Hageman, S. Diehl, D. Fey
Understanding relationships between mineralogy, texture, microstructural features, and element distribution and residence in minerals, is critical for accurate modeling of mineral weathering in waste-
Jan 1, 2007
-
Latin Mining - Goldcorp?s New Peñasquito Mill
By Barry Olson
The Peñasquito deposit in Mexico is one of the largest grassroots precious metal discoveries to be developed in recent years. Goldcorp Inc. acquired the gold-silver-lead-zinc property with the acqui
Jan 1, 2009