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Technology News - Air-Supported Conveyor Lowers Cost, Runs More SafelySeveral years ago, Hudco Industrial Products began experimenting with the idea of levitating a conveyor belt with a film of air, much like the puck on an air-hockey table. While conducting its resear
Jan 1, 2002
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Exploratory Shafts For The Nuclear Waste Repository In BasaltBy Birger Schmidt
INTRODUCTION Conceptual design of the first Exploratory Shaft (ES-I) for the Nuclear Waste Repository in Basalt (NWRB) began in July 1981; detailed design began in February 1982, and was largely co
Jan 1, 1987
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Mechanized Mining of Narrow Veins – Problems and Equipment OptionsBy Jacek Paraszczak
Numerous problems encountered in the mining of narrow vein deposits challenge the productivity, competitiveness and profitability of many mines. Mechanization of mining operations is one of the most i
Jan 1, 1992
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The Seymour Capilano Twin Tunnels Project, Vancouver, BCBy Don Phelps, Dean Brox, Peter Procter, Andy Saltis, Tom Morrison, Jeff Pringle
The Greater Vancouver Water District is currently constructing the Seymour-Capilano Water Filtration Project to enhance the quality of drinking water in the Vancouver metropolitan area. The Seymour-Ca
Jan 1, 2005
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Theoretical background of the Crago phosphate flotation processBy C. Guan
Since it was patented in 1942, the Crago process with fatty acid rougher flotation followed by deoiling and amine cleaner flotation has become the standard for phosphate flotation in Florida and North
Jan 1, 2009
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RETC 2023 Full Proceedings - RETC2023By Frank Pepe, Nestor Garavelli
The 2023 Rapid Excavation and Tunneling Conference (RETC) will be held in Boston, MA and will include the presentation of 133 papers divided into 20 technical sessions during the 3 day conference that
Dec 1, 2023
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The Utilization Of Coarse Pre-Concentration Rejects In The Preparation Of Underground Backfills At Xstrata Nickel?s Ontario OperationsBy T. Weatherwax
As part of a strategic research initiative at UBC to design and evaluate integrated underground mining and mineral processing systems, work has been done to determine how to utilize the coarse rejects
Jan 1, 2008
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Resource and Reserve Audits – SME ConferenceBy Harry Parker
Resource and Reserve Audits Becoming Increasingly Common Types of Audits -Review of Methodology (‘Fatal Flaw’) -Due Diligence – (‘Sign Off’) -Endorsement – (‘QA-QC’) Suggested Standards in Red
Jan 1, 2003
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Effects of Early Strength Agent on Macro-Mechanical Properties and Microstructure of Gangue-Cemented Paste BackfillGangue-cemented paste backfill (GCPB), is a well-established green mining technology and significantly improves the recovery rate of mineral resources, prevents mine dynamic disasters, reduces surface
Jan 7, 2020
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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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Performance Of Dragline Hoist And Drag RopesBy T. S. Golosinski
Introduction Typical dragline rigging includes several sets of ropes: hoist ropes, drag ropes, dump ropes and boom suspension ropes. The drag and hoist ropes contribute most to the dragline operati
Jan 1, 1995
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Practical Application Of A Partial Cab To Reduce The A-Weighted Sound Level At The Operator’s Station On Surface Drill Rigs (16e0ea79-d925-4b2c-a99c-4b4744e63b41)By P. Jurovcik, D. Yantek, D. Ingram
The National Institute for Occupational Safety and Health (NIOSH) identified hearing loss as the most common job-related disease in the United States in its 1996 National Occupational Research Agenda.
Jan 1, 2007
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Molienda Autogena, Ensayo De Trabajo Para Adquirir Una Unidad ComercialBy Arthur R. MacPherson
Este capítulo revisa las etapas que deben seguirse desde el momento de considerar la molienda autógena en el desarrollo de un nuevo depósito de mineral o en la expansión de una planta existente, hasta
Jan 1, 1982
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The Kensico–City Tunnel for New York City Water SupplyBy Robert J. F. Goodfellow, William A. T. Meakin, Kevin Clarke, Eric Cole
INTRODUCTION New York City Water Supply—Background and History Since the 1840s New York City has been developing the largest, and perhaps, the best urban water supply and distribution system in
Jan 1, 2005
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DREYER AWARD - How Orebodies are FoundBy J. David Lowell
The first part of this article is a review of industry techniques and styles during the past 50 years. It is followed by my career history during the same period. The second part covers my ideas abo
Jan 1, 2000
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Mine Projects 101: Challenges Of TodayBy M. Javier
Mining is an industry of experimentation throughout human history. Recently, societies are giving a clear message about mining because many projects are being rejected around the world. These refusals
Feb 27, 2013
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Environmental Reclamation And Monitoring Of The Abandoned Belle Eldridge Mine Near Deadwood, SDBy A. Davis, C. Webb, J. Sorensen
The abandoned Belle Eldridge Mine near Deadwood, South Dakota, is on land controlled by the U.S. Bureau of Land Management (BLM). The mine produced lead and zinc during the first half of the 1900s.
Jan 1, 2007
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What Is The Value Of This Industrial Mineral Property?By S. M. Pickering, L. T. Gregg
Appraisal of industrial minerals beneath privately owned land requires a different approach and mindset from valuation of base and precious metals or energy minerals, and from valuation of government-
Jan 1, 2000
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A preliminary evaluation of a through-the-earth (TTE) communications system at an underground coal mine in eastern KentuckyBy E.C. Jong
Resumen ¦ Un sistema de comunicaciones “a través del suelo” (TTE) comercial y disponible fue evaluado en una mina de carbón subterránea en la zona Este del Estado de Kentucky. Este estudio de campo fu
Apr 1, 2016
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Mining And Enviromining Law For Industrial Minerals And RocksWith the advent of the environmental "green" movement of the 1960s, eventually leading to Earth Day 1970, Congress responded by passage of the National Environmental Policy Act (NEPA), 1970. NEPA gave
Jan 1, 1994