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The Failure of Lead by Creep
From time to time lead, which is normally considered to be a soft ductile metal, fails by cracking. The cracks which form appear to be of two distinct types-(a) those which follow a zig-zag course aro
Jan 1, 1935
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Mine Site Environmental Management and Sustainable Post-Mining Land Use in New South Wales, Australia
The Department of Mineral Resources has a statutory responsibility for mine site environmental management and control in New South Wales. The Department is focusing on an environmental management syst
Jan 1, 2002
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Capacity Of Driven Piles In Sand
By Mohab Sabry
Pile foundations are used extensively around the world to support both inland and offshore structures, including important structures such as nuclear plants and oil drilling platforms. The limit of th
Jan 1, 2006
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A Case Study of Near-Field Vibration Monitoring, Analysis, And Modeling
By Tamara Whitaker, James Gunderson, Ruilin Yang
This paper presents the results of a vibration control project conducted in soft overburden at a surface coal mine located in the western United States. The study uses near-field blast vibration monit
Jan 1, 2008
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Tribulations of a Small-Mine Operator ? Red Tape Worms Make Operation Difficult ? Efficient Managing Offsets Rising Costs
By H. L. Hazen
THIS is the story of the recent operations of the Standard Cyaniding Co., which owns the Standard mine, a low-grade gold property in sight of Highway 40 about thirty miles from Lovelock toward Winnemu
Jan 1, 1947
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Circulating Air Classification of Manufactured Sand
Circulating Air Classification of Manufactured Sand Due to environmental concerns, the supply and use of natural gravel has been limited by the Swedish government. The Swedish concrete industry is th
Sep 13, 2010
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The Use of Coal in Pyrometallurgical Processes in Western Areas of Canada and the United States
By J. C. Bothan
A program to provide technical in-formation on the use of fuels in pyro-metallurgical processes, from the Canadian fuel viewpoint, was initiated about five years ago by a Canadian Institute of Mining
Jan 1, 1963
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Geology of the Brewer Gold Mine in South Carolina
By W. Scheetz
The Brewer Gold Mine is an open-pit, heap leach operation that processes about 122 kt/m (135,000 stpm). The mine is operated by Brewer Gold Inc., a subsidiary of Westmont Mining Inc., and is located n
Jan 1, 1991
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RI 7199 Laboratory Studies On The Use Of Sodium Sulfate For Removing Copper From Molten Iron
By H. V. Makar
Laboratory tests were performed to obtain a quantitative description of the effectiveness of sodium sulfate (Na2SO4) for removing copper from molten iron and to determine the effectiveness of Na2SO4 o
Jan 1, 1968
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Liberation of accessory minerals from various rock types by electric-pulse disintegration: method and application
By B. E. Burakov, S. D. Lupal, O. A. R. Thalhammer, B. Saini-Eidukat
Electric-pulse disintegration is a mineral separation technique that liberates all mineral grains from any igneous or metamorphic rock irrespective of its lithology or grain-size distribution. The nor
Apr 1, 1995
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Caving-induced Subsidence Behaviour of Lift 1 at the Palabora Block Cave Mine
By D P. Sainsbury, B L. Sainsbury, A Vakili, H-D Paetzold, P Lourens
The cave propagation behaviour of a jointed rock mass is strongly governed by the unique nature of joints and discontinuities, together with the intact strength of rock bridges that make up the rock f
May 9, 2016
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IC 8796 Cost Of Producing U308 From Ammonium Bicarbonate In Situ Leach Solution By The Multiple-Compartment Ion-Exchange System
By Masami Hayashi
The Bureau of Mines estimated the cost for ,3 uranium ion-exchange recovery system using five grades of 17.0, leach solution producing 815,570 pounds of U 0? per year from an ammonium bicarbonate in s
Jan 1, 1979
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AUV- and ROV-based exploration of active and inactive seafloor massive sulfide deposits at the Semyenov and Irinovskoe sites on the Mid-Atlantic Ridge
By J. W. Jamieson, J. Escartin, A. Steinführer
Evidence of hydrothermal activity on two Mid-Atlantic Ridge oceanic core complexes (OCCs), at 13º30’N (the Semyenov 1 through 5 fields) and 13º20’N (the Irinovskoe field) (Fig. 1) were studied using C
Sep 1, 2014
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Optimization of shovel-truck system for surface mining - Synopsis
By S. G. Ercelebi
In surface mining operations, truck haulage is the largest item in the operating costs, constituting 50 to 60% of the total. In order to reduce this cost, it is necessary to allocate and dispatch the
Jan 1, 2009
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Influence of Frothers on Bubble Shape and Velocity Close to the Generation Point
Influence of Frothers on Bubble Shape and Velocity Close to the Generation Point
Sep 13, 2010
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Barite Deposits Of Arizona ? Summary - Bureau Of Mines - Report of Investigations - 1960 RI 5651
By L. A. Stewart
This paper describes all occurrences of barite in Arizona that were known or reported to the authors. The history, ownership, production, and geologic setting are discussed for most of the deposits. T
Jan 1, 1960
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Cryogenic Air Supply for Cooling Built-in-Place Refuge Alternatives in Hot Mine Mining, Metallurgy and Exploration - Springer
By Miguel Reyes, Bruce Whisner, Joseph Bickson, Lincan Yan, David Yantek, Justin Srednicki, Nicholas Damiano, Eric Bauer
Built-in-place (BIP) refuge alternatives (RAs) are designed to provide a secure space for miners who cannot escape during a mine emergency. Heat and humidity buildup within RAs may expose miners to ph
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Cryogenic Air Supply for Cooling Built-in-Place Refuge Alternatives in Hot Mine Mining, Metallurgy and Exploration
By Miguel Reyes, Bruce Whisner, Joseph Bickson, Lincan Yan, David Yantek, Justin Srednicki, Nicholas Damiano, Eric Bauer
Built-in-place (BIP) refuge alternatives (RAs) are designed to provide a secure space for miners who cannot escape during a mine emergency. Heat and humidity buildup within RAs may expose miners to ph
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Corporate social responsibility within the mining industry: case studies from across Europe and Russia
By E. A. Adey, C. Baciu, P. Whitbread-Abrutat, M. Varul, T. Ejdemo, R. K. Shail, F. Wall
Responsible mining requires stakeholder engagement throughout all operational stages and after mine closure. By assessing the current and anticipated future socio-economic and environmental impacts, a
Jan 1, 2011
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Preparation Of Fibrous Ni-Co Alloy Precursor Articles By Modified Coprecipitation Method
By Zhang Chuanfu
Keywords: modified coprecipitation method, Ni-Co alloy powders, solid-solution oxalate, growth mechanism Homogeneous solid-solution oxalates of Ni2+ and Co2+ ions were synthesized by modified copre
Jan 1, 2005