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Surface Tensions of Molten Heavy Metal Iodides and Their Relation to Sulphide ParagenesisThe sulphides can be arranged in a series determined by the relative amounts of ionic and covalent bonding present. This series is similar to the paragenetic series common to most sulphide ore deposit
Jan 1, 1956
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Metodología de Planificación en mina Tambomayo - Cía. De minas BuenaventuraBy Christian Flores
El proceso que se enfrentó en Tambomayo tuvo su principal complejidad en llevar un proyecto en etapa de exploración hacia la construcción de una a unidad productiva la cual permita obtener resultados
Sep 1, 2017
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Institute of Metals Division - Precipitation Phenomena In Supersaturated Solid SolutionsBy A Guinier
RECIPITATION in alloys is undoubtedly one of the most essential phase transformations in metallurgy and, besides, it is a phenomenon of great interest to physicists. It seems then that it can be chose
Jan 1, 1957
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Some Notes on Bank Deposits, With special reference to those met with at the Denny Dalton Goldfields, Vryheid District, South African Republic, and the Process of Treatment Employed ThereTo many Australian Mining Engineers, we take it, the singular features of banket deposits are not as familiarly known as they would wish, possibly because in the majority of instances they are not in
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The Issue of Collecting and Reporting SD Indicators in the Minerals Sector from the Point of View of Small and Medium-Sized Companies and those not Publicly TradedBy C. Sykes, E. Turner, M. Wyart-Remy
This paper follows that of the Milos Conf, 2002 and examines the collection and reporting of SDIs in the industrial minerals industry in Europe. It compares the characteristics of the GRI Reporting Gu
Jan 1, 2005
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No. 7 Subway Extension Crossing Under An Existing Subway Station: Challenges And Integration Of Underpinning Into The Design Of New TunnelsBy Aram Grigoryan
This paper addresses the challenges of designing the underpinning of major sub-way station with 4 operating tracks. No. 7 subway extension crosses under the existing 42nd street subway station on the
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OFR-74-77 Parametric Study Of Coal Cutting With The Cavijet - Cavitating Water Jet MethodBy Andrew F. Conn
This report summarizes the results from the first year of an anticipated multiphase program to develop improved coal mining equipment which utilize the CAVIJET? cavitating water jet method. This labor
Jan 1, 1976
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A History of Mount MorganTo form a true picture of the early history of Queensland, we must think of white settlement advancing like an incoming tide, wave by wave; each wave lapping ahead a little further than the last. The
Jan 1, 1939
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Installation And Performance Characteristics Of High Capacity Helical Piles In Cohesionless SoilsBy Mohammed Sakr
The use of helical piles as a deep foundation option has considerably increased in the recent years to support a variety of loads, from small loads for several applications such as residential housing
Jan 1, 2011
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The Development Of Ultra Fine Grinding At KCGMIn February 2001, Kalgoorlie Consolidated Gold Mines (KCGM) commissioned its first full-scale ultra fine grinding (UFG) plant to supplement existing roaster concentrate treatment capacity. This proces
Jan 1, 2002
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Innovación en Voladura Detonadores Electrónicos Sociedad Minera Cerro VerdeBy Gualberto Salas Torrelly
El avance tecnológico en los sistemas de iniciación en voladura abarca desde el sistema convencional (Mecha de Seguridad y Fulminantes hasta el sistema de iniciación electrónica, donde a través de un
Sep 12, 2005
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Evaluation Of The Drum Friction Test For Determining The Fire Resistance Of Conveyor BeltsBy J. H. Rowland
The Mine Improvement and New Emergency Response Act of 2006 (MINER Act) amended the Federal Mine Safety and Health Act of 1977 to improve the safety of mines. The MINER Act established a Technical Stu
Jan 1, 2011
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Coalification - Deformation Relationships in the Upper Hunter Valley, New South WalesVitrinite reflectance forms the basis of a study of coal rank variation in two areas of the Upper Hunter Valley, New South Wales, on the northern margin of the Sydney Basin. A selective analysis proce
Jan 1, 1980
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New Approach Controls Dust At The Collector Dump Point - NIOSH Finds A Simple, Cost-Effective Solution For Reducing Dust For Blasthole DillsBy Steven J. Page, Wm. Randolph “Randy” Reed, John A. Organiscak
Researchers studying dust generation from blasthole drills developed a simple, quick fix that reduced respirable dust concentrations by more than 63% at the dump point. This device, which requires alm
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IC 9498 - Proceedings Of The International Workshop On Rock Mass Classification In Underground MiningRock mass classification is widely used throughout the underground mining industry—in both coal and hard-rock mines. It is used in all stages of the mining process, from site characterization to produ
Jan 5, 2007
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IC 8483 Fly Ash Utilization - A Summary Of Applications And TechnologyBy John P. Capp
Information is summarized on the major uses of fly ash and prospects for utilization in agriculture and in brick and mineral-wool manufacture. Technological aspects of utilization are discussed and re
Jan 1, 1970
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Tomorrow?s Technology - Out Of Africa - Today - 1. IntroductionBy Pieter de Waal
The use of valuable minerals is a necessity to maintain a modern society. Not only the iron, aluminium, coal and oil that are used in large quantities, but also the uranium, copper, vanadium, tungste
Jan 1, 2007
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The Manufacture of Sulphuric Acid and its Use in MetallurgyOwing to the number of chemical processes now in use for the separation of metals from their ores, and the consequent employment of chemicals at the mine, it is sometimes necessary to be able to produ
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Computational Fluid Dynamics Modeling Of Spontaneous Heating In Longwall Gob AreasBy L. Yuan, A. C. Smith
To provide insights for the optimization of ventilation systems for U.S. underground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dynamics (CFD) stud
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Innovations In ScandinaviaBy Carl-John Grävare
This paper deals with some of the systems and equipment that are being developed and/or are in use in Scandinavia. The main subject is the development of loading tests on the piles using monitoring eq
Jan 1, 2000