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Inclined Shafts Drilled by a Raise Boring Machine and MGS Magnetic Guidance Equipment—Paratrack II
By Matteo Cortinovis, Giuseppe Gelmi
"INTRODUCTIONEdilmac dei F.lli Maccabelli (hereinafter referred to as Edilmac) has recently developed a special civil engineering application using the Raise Boring technology with the assistance of I
Jan 1, 2016
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Industrial Mineral Investment - Fact And Fantasy
By Robert M. Dreyer
In an industrialized nation, as the process of industrialization continues, the ratio of the value of production of non-metallic to metallic minerals normally increases gradually over a period of year
Jan 1, 1964
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New KGV Design Opens the Door to Improved Efficiency for Slurry Valves
By Michael Prince
"Managing slurry is a constant challenge for mining operations. Since slurries are not uniform, the challenge is complicated by varying rheology, velocity, temperature and pressure, all of which affec
Feb 1, 2019
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The Mechanical Characteristics of St. Peter Sandstone in Clayton, IA
St. Peter sandstone is an arenaceous sheet that covers large area in North America. The interest for St. Peter sandstone has been increasing due to the upward trend for hydrofracturing and the consequ
Feb 23, 2014
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Henderson Mine: Preparing For The Future (55203c53-dc35-4635-b43e-3f12f636bcfa)
By J. Gallagher
Henderson Mine has been transporting molybdenum ore using a rail haulage system for the past 21 years. Due to the age of this system, limited performance, and obsolescence, a capital investment decisi
Jan 1, 1998
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Sacrificial Anode Technology for Corrosion Protection of Mine Roof Bolts
By A. Bhagwat, S. Tadolini
"Steel members of the ground support systems in underground mines are routinely exposed to corrosive environment that may range from acidic to alkaline. Corrosion of steel bolts leads to metal loss an
Jan 1, 2018
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Human Rights and Business Procedures: Using Data to Improve Relationship with Stakeholders
By C. Eddine
"Can we use data to make communication effective? How does one successfully tackle the challenge of solving cultural differences and harmonizing the needs of diverse stakeholders while developing and
Jan 1, 2016
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Backfill --Whatever It Takes (fcae3bd4-481a-4110-9923-93fcb6b0528e)
By D. Kump
The Bullfrog Mine is an underground gold mine that uses the underhand-cut-and-fill mining method. The portal was established on June 18, 1991. Mining is expected to be completed by the summer of 1999.
Jan 1, 1999
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A Guideline For Hydrogeology Program Development At Open-Pit Mines
By A. B. Mayer
A generic task summary for design and implementation of hydrogeology programs at open-pit mine operations is presented as a guideline for management. Rigorous assessment of the local and regional hydr
Jan 1, 1993
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Lyon Metro Line B Extension: A Variable Density TBM for an Underground Mission in Remarkably Diverse Geology - RETC2021
By Karin Bäppler
Lyon with half a million inhabitants is the third largest city in France. Urban agglomerations such as Greater Lyon demand intelligent underground solutions for the freedom of mobility of its inhabita
Jun 13, 2021
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Overview of current U.S. longwall gateroad support practices: An update
By I. B. Tulu, M. M. Sears
In 2015, 40 longwall mines provided nearly 60 percent of U.S. underground coal production. During this time, about 80 percent of ground-fall-related fatalities occurred in areas where the mine roof wa
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Heap Leaching At Newmont's Muruntau Operation
By D. Scott Barr
The Zarafshan/Newmont Joint Venture operates the Muruntau heap leach project, located in the Kyzylkum desert of central Uzbekistan. The mine produces more than 12.4 t/a (400,000 oz/year) of gold from
Jan 1, 1998
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Changes In Wyoming's Industrial Minerals Industry 1996-1999
By Ray E. Harris
New developments have occurred in Wyoming's industrial minerals industry since the 32nd Forum on the Geology of Industrial Minerals in Laramie, Wyoming in 1996. The soda ash trona and bentonite i
Jan 1, 2001
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Topical Survey of Rheinbraun AG's Belt Conveyor Systems
By Ulrich Benatzky
Rheinbraun AG, Germany, is the management company of the mining and raw materials division of RWE AG. Rheinbraun's core business and major functional area is opencast lignite mining in the Rhinel
Jan 1, 2000
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Assessing The Impact Of A Residential Metals Abatement Program On Child Blood Lead Levels In Butte, Mt - SME Annual Meeting 2022
By C. Van Landingham, A. Bailey, R. A. Schoof
A residential metals abatement program has been underway in Butte for more than 20 years. More than 1,350 yard and attic cleanups were completed by the end of 2018; most triggered by lead. While the f
Mar 2, 2022
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Pipe Canopy Presupport with SEM Tunneling Under Active Roadway and Rail Tracks - RETC2023
By Todd Kilduff, Ryan O’Connell
Pipe canopies continue to gain momentum as a reliable methodology for construction of excavations below critical facilities with minimal surface settlement tolerances, such as railroads or roadways. T
Jun 13, 2023
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The Impact of Black Lung and a Methodology for Controlling Respirable Dust "Mining, Metallurgy & Exploration (2020)"
By Jay F. Colinet
Coal workers’ pneumoconiosis (CWP), commonly known as black lung, is caused by the inhalation of respirable coal mine dust and is a disabling and potentially fatal lung disease with no cure. Historica
Jul 30, 2020
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Efficient Mining Systems: RAHCO CME-12
By D. Baker
Alternative material handling methods are allowing material handling operations to be performed with increased cost savings. This allows for higher production levels with better returns. RAHCO Interna
Jan 1, 1998
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Controlling Ground Water in Tunneling is Subject of Third Cutting Edge Conference
By Steve Kral
The third edition of the Underground Construction Association of SME?s (UCA) Cut-ting Edge series of conferences focused on a challenge every underground construction and tunneling project faces: cont
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The Study of Optimum Tailing Storing Conditions for Surface Paste Disposal Method
By S. Tuylu, D. Adiguzel, U. G. Akkaya, A. Bascetin
"One of the main problems for storing of the tailings is acidity occurrence due to several factors such as existence of sulfuric minerals and also the pollution in seepage waters by mobilization of me
Jan 1, 2015