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Sampling And Exploration - Equis And El Roble
By George S. Barnett
The Equis and El Roble projects are located in the Cordillera Occidental of Colombia. The Equis vein deposits have sulfide ore reserves of 95.9.5.5 mt (105.770 st) grading 8.51 g/mt (0.248 oz/st) gold
Jan 1, 1984
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Mercury Deportment In Coal Characterization: A Case Study
By T. A. Toney
A sampling program was conducted in 2008 to determine the run of mine characteristics of 5 coal seams. The sampling program included size analyses and float sink determinations. The samples were ana
Jan 1, 2010
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A Pilot Study Using An In-Situ Method To Determine Metals Attenuation In Soil Prior To Land Application Discharge
By P. S. Hettinger
Land Application Discharge (LAD) is a useful method of disposing of waste water from mining operations and in certain climatic regimes, stormwater runoff. LAD systems function under the premise that m
Jan 1, 1994
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Geology And Ore Deposits Of The La Cienega Gold District, Durango, Mexico
By V. de la Garza
The La Cienega Gold District is located at latitude 25°01'01"N and longitude 106°19'00"W, in the NW part of the State of Durango, Mexico. Ore deposits at The La Cienega District consist of
Jan 1, 1994
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Solid Grade Polymers For Clarification And Flocculation Processes (000edf4a-2cb9-4ebc-b425-d12c5aeb5b80)
By H. EI-shall
In this paper, the results of a fundamental study involving zeta potential and turbidity determinations of solid suspensions are discussed. Illustrations of how these results are utilized to design fi
Jan 1, 1994
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The Valuation Of Dimension Stone Building Deposits
By W. Robert Power
Dimension stone includes a wide variety of natural materials that are put to an equally wide variety of uses. It is possible to classify dimension stone according to the end use to which the stone is
Jan 1, 1972
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Case Study – UG Stope Optimization at Agnico Eagle’s Kittilä Mine
By K. Huttu, A. van Wageningen
"The Kittila underground mine is extracting one of the largest known gold deposits in Europe and has an estimated mine life through 2034. The Kittila mine is located in the Lapland region of northern
Jan 1, 2015
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San Francisco to host ITA World Tunnel Congress 2016
By Harvey Parker
"The International Tunnelling and Underground Space Association (ITA) is a nonprofit organization that represents all aspects of the tunneling and underground space industry worldwide. Next year, the
Jan 1, 2015
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Soil Compaction In Top Soil Replacement During Reclamation
By L. B. Phelps
Current mining regulations require revegetation in reclaiming surface nines. Excessive soil compaction can be an impediment to successful revegetation in poor soil conditions common to Eastern coal ni
Jan 1, 1986
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Predicting The Moisture Content Of Coals Dewatered By Screens
By B. J. Arnold
Utility coal specifications usually contain a requirement for a maximum moisture content in order to prevent coal handling problems and to minimize evaporative losses in the boiler. As most coal clean
Jan 1, 1997
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Ores Of Lithium And Their Applications
By R. Keith Evans
Potential large scale uses in secondary battery systems and fusion reactors together with a steady increase in demand for conventional applications, particularly in aluminum smelting, has resulted in
Jan 1, 1977
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About Face: How A Mine Moved Toward Operating In Maine
By Thomas R. Doyle
When you think of the state of Maine, you probably think of lobsters or lighthouses. The last thing you would think of is metallic mineral mining, and that is for good reason. According to the Maine G
Jan 1, 2012
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The - Now Generation - In Advanced Transportation Systems
By John S. Harper
Can the mining industry in the United States accept the change and challenge of the "Now Generation" of entirely new high-performance automated transportation systems? Good Question! While there has b
Jan 1, 1969
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OPPORTUNITIES AND ADVANTAGES OF 3D GEOLOGIC MODELLING FOR TAILINGS STORAGE FACILITIES - SME Annual Conference 2023
By H. D. Lelono, M. Walden, G. Johnson
3D modelling can be used throughout the mine lifecycle and has proven to be a powerful tool for consultants and mining companies. One of the most significant benefits of 3D models is their ability to
Feb 1, 2023
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FloatForce®+ Mixing Mechanism Trial at Kennecott Copperton Concentrator - SME Annual Meeting 2025
By Joshua Cole, Joshua Sovechles, Christian Cardoso, Guillermo Bermudez, Martta Hirsi, Joshua Dettamanti, Rabia Abbasi
The implementation of technological advancements in flotation is key to optimize performance in mining operations. Consequently, flotation cell’s performance is highly dependent on the effectiveness o
Feb 1, 2025
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Sumner Tunnel Rehabilitation - NAT2024
By Joe Rigney, Conrad Stacey, David Nowak, Chris Blanchard, Michael Beyer, John Czach
Originally constructed in the 1930s, the 1-mile-long Sumner Tunnel is 31 feet in diameter and carries traffic deep below Boston Harbor, connecting Boston and East Boston. This project includes both de
Jun 23, 2024
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Using Fiber Shotcrete As Temporary Wall Support At Barrick Turquoise Ridge #3 Shaft Sinking - SME Annual Meeting 2022
By R. Wu, R. Howell, J. Dase
Turquoise Ridge is an underground gold mine located in the Potosi Mining District, approximately 64 km northeast of Winnemucca, Nevada. Turquoise Ridge Underground is accessed via two shafts and a sys
Mar 2, 2022
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Technologies on SEM Tunneling in Hazardous Material-Bearing Soft Rock with Small Overburden
By Akira Ishikuro, Masamichi Shintaku, Futoshi Kusumoto, Takeshi Kudo
"The Bankei-Kitanosawa tunnel that is located in Sapporo, Hokkaido, Japan includes a 450m long section near the arrival point where mudstone which can liquate out natural hazardous materials such as a
Jan 1, 2016
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Production Of Colemanite At American Borate Corporation Plant Near Lathrop Wells, Nevada
By Jr. Smith
Borates have been mined in the desert areas of California and Nevada for more than 100 years. To about 1890, playa surface mining provided the chief sources of boron minerals. Underground mining of co
Jan 1, 1978
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Iron Ore Flotation with Environmentally Friendly Reagents
By J. A. Halt, E. Larsen
"The Sydvaranger magnetite mine closed in 1996 due to low iron ore prices and was reopened in 2009. The flowsheet has remained more or less as in the old plant, based upon two grinding steps followed
Jan 1, 2015