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A Dynamic Programming Based Algorithm For Optimum Production Planning In Open Pit Mines
By H. Sevim
In a recently developed long term open pit production planning model, the optimum plan is found by exhaustively searching through nested pits of maximum-metal contents. A more efficient, dynamic progr
Jan 1, 1994
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Applying Adaptive Signal Discrimination To Vibrational Coal Interface Detection
By G. L. Mowrey
One of the critical parameters of any automated coal mining system is the ability to only cut coal and not the rock / waste surrounding it. To do this the system must be able to detect where the coal-
Jan 1, 1990
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Saprolite to Hard Rock and Everything in Between: SEM Tunneling Through Corestone Laden Ground in Hong Kong
By Gilles Cachia, Foteini Vasilikou, Seth Pollak, Hannes Lagger
"INTRODUCTION The Shatin to Central Link (SCL) is a new rail line being constructed by the MTR Corporation for the Government of Hong Kong to cater for the growing passenger demand between the North-E
Jan 1, 2016
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Comparison of the Antimony Cementation from Chloride Media Using Various Cementators
By Serdar Aktaş, Özgün Küçükoğlu, Burcu Nilgün Çetiner, Mehmet Hakan Morcalı
This study compares the cementation performance of metallic iron, metallic aluminum, and metallic tin in terms of the reaction conditions and parameters in synthetic antimony chloride solutions. The e
Jan 28, 2022
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Can Computer Models Aid Exploration -- The Porphyry Copper Example
By V. F. Hollister
Computer programs developed as part of the PROSPECTOR project at SRI International can indicate where the highest grade hypogene copper occurs in porphyry copper prospects. The programs are useful in
Jan 1, 1983
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Control Of Crushing Circuits Will Reduce Capital And Operating Costs
By Malcolm D. Flavel
As indicated in the introduction to this paper, it is a sequel to that which I gave to the last annual meeting in Atlanta in march. This paper goes further into aspects of crushing and screening, prim
Jan 1, 1977
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Scrubbers Versus Sprayfans For Face Ventilation --A Comparison (474bb548-121f-445e-ac79-8e540f4a0881)
Adequate ventilation of coal mine working faces is the single most important technique for controlling respirable dust and methane. Choosing the right technique presents some tough questions. Bureau r
Jan 1, 1988
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Safety And Reliability 2012; Minneapolis Hosts Second SME/CIM Joint Meeting
When it comes to safety in the mining and extractive industries, success is literally a matter of life and death. Anything short of perfection is not acceptable. In recent years, the mining industry i
Jan 1, 2013
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Simple method to select a pit in the presence of grade uncertainty
Mine planners must select a single pit for design with the knowledge that the grades on which this selection is made are uncertain. This uncertainty is often ignored through the use of deterministic m
Jan 1, 2013
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How Can Mining Survive Governmental And Environmental Restrictions
By John S. Lagarias
When ore bodies are faulted or mill feed turns refractory, mining managers and engineers act vigorously to convert imminent failure into eventual success. The recent proliferation of onerous "enviro
Jan 1, 1978
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Strategic Marketing Of Industrial Minerals; The Decade Ahead
By Bob Katsiouleris
Having passed through the worst of times for industrial minerals demand, there are signs that the best of times lie ahead. If the downturn was the result of unsustainable economic policy, the path for
Jan 1, 2011
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Financial Problems Of Small Mines - Establishing Operator Credibility
By David M. Koogler
If you are contemplating starting a small coal mining operation there is a good possi¬bility that you can not afford it. If you, have already started, you may be on the road to bankruptcy. If you ar
Jan 1, 1981
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Underground Mine Development
By G. T. Lineberry
Underground mine development begins with the positive investment decision to mine and ends with the inception of full-scale exploitation. It incorporates all activities, personnel, and equipment requi
Jan 1, 2008
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Optimization Of A Thickener Performance
By A. Ghalambor
The objective of this investigation was to determine the sensitivity of three selected input parameters in the operational control of continuous bottom-fed thickeners used for the treatment of coal re
Jan 1, 1989
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A Comparison Of The Use Of Core And Hand-Cut Channel Samples To Represent Run-Of-Mine Washability Determinations
By J. W. Leonard
Since the interpolation of exploratory data 1 can be no better than sampling procedures, a series of field experiments were conducted in an effort to determine whether hand-cut channel or core washabi
Jan 1, 1988
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Land Management And Environmental Quality: A Decade Of Experience With SMCRA The Experience Of The Eastern Coal Industry
By G. E. Slagel
On August 3, 1987, a hearing was held by the House Subcommittee on Energy and the Environment to commemorate the tenth anniversary of the Surface Mining Control and Reclamation Act (SMCRA). Four panel
Jan 1, 1988
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Mini Symposium ? In Pit Crushing And Grinding II - Apron Feeders Application To Primary Crushing - Apron Feeders--Their Application To Primary Crushing ? Introduction
By Lawrence A. Engel
The idea of using apron feeders for in directly feeding crushers is not a new one, it has been used for many years. To the best of our knowledge, the first apron feeder was used for bulk material hand
Jan 1, 1983
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Selective-reductive leaching of manganese from low-grade manganese ore using tannic acid as reductant
By Eti Purwaningsih, Widi Astuti, Erik Prasetyo
Increasing demand for high-grade manganese (Mn) ore has led to the practice of selective mining, which produced low-grade Mn ore as waste and in the long term could lead to environmental pollution. Re
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An Advanced Open Pit Mining Equipment Maintenance Program
By D. C. Myntti
An open pit mining equipment maintenance program, in order to be successful, must have many active segments covering the full range of equipment selection, trained personnel, repair facilities, preven
Jan 1, 1978
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Determination Of Dynamic Permeability Changes During In-Situ Leaching At Cyprus Casa Grande Operation
Dynamic permeability is a significant hydrologic condition associated with in-situ leaching at the Cyprus Casa Grande operations. Several factors contribute to changes in the permeability conditions.
Jan 1, 1991