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Capitalization: Bolivia's Innovative Approach for Privatization, the Vinto CaseBy William P. Blacutt
This paper describes the strategy, the struggles, and the obstacles encountered during the last two years in the ongoing process to capitalize Vinto. The effort involves the offering of a vertically i
Jan 1, 1998
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Overview of Current Us Longwall Gateroad Support PracticesBy I. B. Tulu, M. M. Sears
"In 2015, 40 longwall mines provided nearly 60% of the US coal production from underground mining methods. This represents a substantial, yet gradual increase from just under 50% over the last 5 years
Jan 1, 2017
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Thermal Exposure Limit in a Simulated Refuge AlternativeBy C. D. Ashley, X. P. Garzon-Villalba, R. M. Lopez, T. E. Bernard
Federal standards for refuge alternatives (RAs) mandate that they not exceed a Steadman apparent temperature (AT) of 95 °F (35 °C) at an assumedmetabolic rate of 325W, a limit that appears to be arbit
Nov 8, 2019
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Is the South African Coal Mining Industry Ready For Women?By M. Ramokhothoane, S. Rupprecht
"NTRODUCTION Women employment in the mining industry dates back to the 19th century. Various parts of the world, for example, India, Japan, the United Kingdom and the United States of America had wome
Jan 1, 2018
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PDAC attracts more than 25,000 People; Canadian Government shows its Support for MiningBy William Gleason
"Government support for Canada’s mineral industry was on full display during the Prospectors & Developers Association of Canada (PDAC) conference in Toronto, ON, Canada on March 3-6. First, there was
Apr 1, 2019
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Time to take advantage of SME’s newest member benefitBy None None
Use this month wisely — go online and take advantage of your new member benefit. As an SME member, you can read and download for free all of the full-text papers of the Mining, Metallurgy & Exploratio
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Combining For Strength: An Integrated Approach To Water And Mine WasteBy Nural Kuyucak
Several thousand years ago, metallurgists discovered that by combining two relatively soft metals, copper and tin, they could make a new material, bronze, that was stronger than either metal separatel
Jan 1, 2009
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Investigations of Some Oxidic and Chalcogenide SpinelsBy A. Venkatachalam
Spinel ferrites, like NiFe2-2x Znx Ti4 O4 Fe CO1.5 Ge0.5 Tix O4, Ga1-x Fex Ni CO O4, Nil-x Fex Mn2 O4 have been prepared using the respective metal oxides in Stoichiometric quantities, by the ceramic
Jan 1, 1990
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Construction of the N20 To N25 Tunnel (basic) Segment of the Superconducting Supercollider Project]By Joseph A. Whitchurch
The N20 to N25 Tunnel (basic) segment was the second tunnel contract awarded for construction by The PB/MK Team. This project embodied 3.9 km (2.4 miles) of tunnel and was located within the northwest
Jan 1, 1995
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Instrumentation Plan For Monitoring Ground Movements Associated With Pillar Extraction Mining At The Kitt No. 1 Mine In Northern West VirginiaBy Robert C. Speck
The U.S. coal industry has long utilized the pillar-extraction mining technique as a method for maximizing coal recovery. Like longwall mining, it causes large-scale movements that progressively propa
Jan 1, 1982
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The Salient Distinctions Of Mining EngineeringBy L. Adler
When systematically compared to other engineering fields, mining engineering is distinctive in 1) having a total systems concern. 2) dealing with encumbered space and 3) requiring full spectrum practi
Jan 1, 1985
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USBM Designs In-Pit Movable Crusher Based on Mine Personnel SurveyBy Earl M. Frizzell, Ronald W. Utley
Introduction For the past several years the Bureau of Mines has undertaken research to develop alternative mine material haulage systems that will improve mine productivity, reduce haulage costs, inc
Jan 4, 1983
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Examination of a Newly Developed Mobile Dry Scrubber (DS) for Coal Mine Dust Control ApplicationsBy J. Noll, D. Yantek, B. Kendall, J. A. Organiscak
"A self-tramming remotely controlled mobile Dry Scrubber (DS) was developed by J. H. Fletcher and Co. under a contract with the National Institute for Occupational Safety and Health’s Office of Mine S
Jan 1, 2016
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Current Applications And Future Trends Of Perlite WorldwideBy T. Karalis
Perlite is a generic term for naturally occurring siliceous rock. It is a form of natural volcanic glass the main constituent of which is amorphous silica (70-76%). Perlite, when heated rapidly to its
Jan 1, 2006
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Update On Refuge Alternatives: Research, Recommendations And Underground DeploymentBy E. R. Bauer
In response to the mandates in the MINER Act of 2006, the National Institute for Occupational Safety and Health (NIOSH) conducted refuge alternatives research that included characterizing the utility,
Jan 1, 2009
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Comparison Of Mine Ventilation Simulation SoftwareVentilation network modeling in mine planning dates back at least three decades, but it is not widely accepted and/or practiced until the last decade, thanks to the advent of modern computers with the
Jan 1, 2012
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Will In-Place Recovery Ever Replace the Need for Flotation? Mining, Metallurgy and ExplorationBy Robin J. Batterham, Dave J. Robinson
The history of mineral processing in general and flotation in particular is long and has always been tied to mining methods of the day. Building on the ever-improving fundamental understanding of the
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Room-and-Pillar Method of Open- Stope Mining - Extraction Practices in Thick Coal SeamsBy R. V. Ramani, C. J. Bise
INTRODUCTION Classification of coal seams as thin, medium, and thick is both subjective and relative and is more a reflection of the statistical mode of the thicknesses en- countered in a mining re
Jan 1, 1982
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Travelling In ChinaBy F. Habashi
The changes that took place in China between 1984 and 2004 are remarkable. Visits were made to universities, research institutes, metallurgical industry, and many cultural centers within five trips du
Jan 1, 2007
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World’s largest live tunnel connection at TARP McCook TunnelBy Faruk Oksuz, Dave Schiemann, Matt Trotter, Mike Padilla, Carmen Scalise, Miquel Sanchez
"The McCook Main Tunnel system consists of a 10-m (33-ft) finished diameter, 490-m (1,600-ft) long, hard rock tunnel constructed from a 27.5-m (90- ft) diameter and 92-m (300-ft) deep main gate and tu
Sep 1, 2016