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Inductive Electrostatic Gradiometry (IESG) Deciphers Keweenawan Copper Plumbing System
By J. Trow
Dowsing is really IESG which inductively locates electric gradients (dv/dx) on the flanks of SP anomalies. "Sensors" are in one?s head. The "meter" consists of one?s body, limbs, and two $.69 welding
Jan 1, 1992
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Prospectors and Developers Meeting – Some Reflections
By Bruce Gellar
In March, the Prospectors and Developers Association of Canada (PDAC) held its annual conference in Toronto, Ontario. This is the third PDAC meeting the author has attended. The following are some
Jan 1, 1999
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Risk management competence in Australia gets a boost from new software
By Sandy Worden
Coal mining companies in Australia are managing the high-consequence risks across their operations more effectively by using an interactive online risk management system known as Riskgate Developed
Jul 1, 2013
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Waterproofing of a Subsea Tunnel with a Unique Sprayable Membrane— The Nordöy Road Tunnel, Faroe Islands
By Sigurd L. Lamhauge, Karl Gunnar Holter, Svein E. Kristiansen
An innovative sprayable waterproofing membrane in combination with the traditional Nordic method of waterproofing with polyethylene foam sheets was used for the waterproofing of the tunnel. The spraya
Jan 1, 2007
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Rockworks Earthapps - A Free Collection Of 74 Programs Forcreating Geologically-Related Diagrams Within Google Earth
By J. Reed
The RockWorks EarthApps represent a free collection of 74 geology-related programs that read data from a built-in datasheet and create diagrams within Google Earth. EarthApps also includes programs th
Feb 27, 2013
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Pre-Excavation Grouting at the Hemphill site — Atlanta WSP Tunnel
By Konner Horton, Adam L. Bedell, Don Del Nero, Brian Jones
"The City of Atlanta’s Water Supply Program Tunnel project includes a 7,315-m (24,000-ft) long, 4-m (13-ft) diameter, hard rock tunnel. A complex aspect of the project involves connecting five, blind
Jan 9, 2018
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Optimal Sizing Of Conventionally-Sunk Ventilation Shafts Based Upon Capital And Operating Criteria (e05ee128-628b-45f8-8a69-2e8e36ccc831)
By Y. J. Wang
The selection of a shaft size for ventilation purposes is a classic problem of concern to mining engineers. This presentation is concerned with the sizing of conventionally-sunk circular shafts with c
Jan 1, 1977
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First North American Longwall in Pitching Seams Proven Feasible
By James F. Reynolds
Introduction There are 1.4 Gt (1.5 billion st) of recoverable coal under less than 914 m (3,000 ft) of cover in Colorado in pitching seams. Snowmass Coal Co., in cooperation with the US Department
Jan 12, 1983
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Mining And Enviromining Law For Industrial Minerals And Rocks
With 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
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Effects of Temperature and pH on Pressure Filtration of Coal Refuse Slurry
By G. S. S. Raman, M. S. Klima
Coal refuse slurries stored in tailings impoundments can potentially lead to environmental concerns such as effluent seepage, property devaluation, and in extreme cases, dam failures. Pressure filtrat
Jun 17, 2019
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Effects of Temperature and pH on Pressure Filtration of Coal Refuse Slurry Mining, Metallurgy and Exploration
By G. S. S. Raman, M. S. Klima
Coal refuse slurries stored in tailings impoundments can potentially lead to environmental concerns such as effluent seepage, property devaluation, and in extreme cases, dam failures. Pressure filtrat
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Effects of Temperature and pH on Pressure Filtration of Coal Refuse Slurry Mining, Metallurgy and Exploration (08bb591f-8b35-4c27-9be5-b591d55e4b86)
By G. S. S. Raman, M. S. Klima
Coal refuse slurries stored in tailings impoundments can potentially lead to environmental concerns such as effluent seepage, property devaluation, and in extreme cases, dam failures. Pressure filtrat
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The Use Of Instrumented Split-Set Rock Bolts To Monitor Strain In The Walls Of A Deep Underground Mine Stope
By F. Maciosek, D. Denton, J. Johnson
Researchers from the Spokane Research Laboratory of the National Institute for Occupational Safety and Health and personnel from Coeur Silver Valley, Wallace, ID, conducted tests using rock strain st
Jan 1, 2004
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Australian Mineral Sands Operations 1982 ? Introduction
By V. J. McSweeney
This paper is directed at interested parties outside the Beach Sand Industry : the scope is quite broad. The geomorphology described is a successful working hypothesis which guided the author during p
Jan 1, 1982
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DRONE-BASED APPLICATIONS FOR TAILINGS DAM MONITORING - SME Annual Conference 2023
By J. A. G. Llerena, J. Sattarvand
Tailings dam failures have been occurring in recent years. They are considered more vulnerable than hydraulic dams due to the lack of regulations on specific design criteria, and stability requirement
Feb 1, 2023
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Kárahnjúkar Hydroelectric Project, Iceland Extreme Underground Construction
By Bernhard Leist, William D. Leech, Johann Kröyer, Holger Evers
Landsvirkjun—the national electric power company of Iceland—is building the Kárahnjúkar Hydroelectric Project in eastern Iceland. Two glacial river systems will be dammed and channeled through a serie
Jan 1, 2007
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Reconnaissance Study Of The Association Of Zeolites With Mesothelioma Cancer Occurrences In Central Turkey - Introduction
By Frederick A. Mumpton
Recent findings by medical workers on the association of certain zeolite minerals with the high incidence of pleural mesothelioma in two small Turkish villages have caused considerable excitement both
Jan 1, 1979
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Evaluation of Pollution of Mining Areas in Aspect of their Future Use and Development
By D. J. Pyra, J. Kudelko, Korzekwam W.
Polkowice region (Lower Silesia, Poland) is an area, where the copper mining activity started about 40 years ago and new technologies were applied. There are 3 underground mines, 3 processing plants,
Jan 1, 2005
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Flotation Plant Instrumentation
By Dexter C. Hatch
At MacIntyre Development of the National Lead Company, Taha s, New York,, the flotation plant was set up to recover ilmenite from the finer size fraction of the ore that cannot be efficiently treated
Jan 1, 1962
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Automated Conditions Mining at Sylvite
By William G. Schultz
Sylvite of Canada, a wholly owned subsidiary of Hudson Bay Mining and Smelting Co., operates an 8000 TPD potash mine and refinery located nine miles North East of Rocanville, Saskatchewan. Prior to Hu
Jan 1, 1972