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Recent Advancements In Slurry Shield Tunneling
By Yoshihiro Kawarabata
INTRODUCTION With only about 30% of Japan's entire population served by sewer systems at the end of 1980, extensive sewerage construction programs have been implemented. As major sewer network
Jan 1, 1983
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Behavior of Iron at the Ambatovy Nickel Operation in Madagascar
By B. Haugrud, E. McConaghy, M. Collins, G. Smith
"Laterite ore processed by the Ambatovy Joint Venture in Madagascar is primarily limonitic in nature, containing about 40 to 45 wt.% Fe and 1.1 wt.% Ni. The process selected for treatment of this ore
Jan 1, 2016
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Sulfide Smelting: Thirty-Five Years of Continuous Efforts to Find New Value Adding Solutions
By Alvear G. R. F. Flores
It is now 35 years since the organization of the first sulfide smelting conference in 1983. Since then, the smelting base metals industry has experienced several changes driven by the necessity to imp
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Blasting Overhangs Close to a Vibration Sensitive Structure
By R. Franfield
This paper describes a situation that many drilling and blasting contractors have found themselves in – a client?s fear of the use of explosives. In the summer of 2007 Blasting Services Ltd was asked
Jan 1, 2009
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What are the Opportunities and Challenges for Women in Fly-in-fly-out (FIFO) Mining in Canada? An Exploratory Study
By Costa
The fly-in-fly-out (FIFO) mining model has significant implications for the industry as it plays an important role in fulfilling the economic, social and workforce needs of the contemporary mining ind
May 1, 2006
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Surface Tensions of Molten Heavy Metal Iodides and Their Relation to Sulphide Paragenesis
The 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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RI 4436 Investigation Of Boiling Springs Manganese-Iron Deposits Cumberland County, Pa.
By S. E. Burton
The White Rock area of the Boiling Springs manganese-iron deposits comprises about 3,200 acres of land in Monroe Township, Cumberland County, Pa. (See fig. 1.) This property was brought to the: atte
Jan 1, 1949
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Ivanhoe New Horizons
By Jess Harding
Oyu Tolgoi investment agreement now in full, legal effect Successful completion of a series of conditions to 2009 Investment Agreement was announced March 31, 2010. Full-scale construction now set t
May 1, 2010
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Modelling Global Nickel Mining, Supply, Recycling, Stocks-in-Use and Price Under Different Resources and Demand Assumptions for 1850–2200 "Mining, Metallurgy & Exploration (2021)"
By Harald Ulrik Sverdrup, Anna Hulda Olafsdottir
The long-term supply of nickel to society was assessed with theWORLD7 model for the global nickel cycle, using new estimates of nickel reserves and resources, indicating that the best estimate of the
Jan 26, 2021
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Investigation of the Cementation of Copper on Iron
The kinetic and practical aspects of the extraction of copper from copper-rich solutions by cementation on iron was investigated. Tests were made on the effect of stirring speed, cupric sulphate conce
Jan 1, 1972
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Comparing Drilling Patterns for Coal Reserve Assessment
The criterion for assessing the accuracy of coal reserve estimates proposed by Philip and Watson (1982) is criticized.Following Royle (1977), it is suggested that the global estimation variance found
Jan 1, 1983
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Reconstruction Methods of the ?Hecla? Electrical-Mechanical Equipment
By A. C. Stevenson
IN OUTLINING the various steps taken and the exigences met during the time of unwatering and rebuilding the burnt top equipment at the Hecla mine, the major portion of the detail is omitted and a gene
Jan 1, 1924
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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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The Accomplishments of Air and Gas Drilling
By Gordon Jackson
"There are two accomplishments of air and gas drilling: a new series of economic and mechanical challenges; and, acceptance as a standard drilling and completion tool.The new challenges are related to
Jan 1, 1961
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Economics of Ferrous Smelting in Canada
By P. E. Cavanagh
Introduction A comprehensive study of the economics of processes for smelting iron ores has been made by the Ontario Research Foundation on behalf of the Ontario Research Commission. This survey ha
Jan 1, 1948
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Project and execution of the excavation for a haulage shaft with raise boring techniques
By M Orunesu Preiata
The Odysseus Project is part of the high-grade Cosmos Nickel Complex that lies 30 km north of Leinster. The Odysseus definitive feasibility study (DFS) was approved by the Western Areas’ board in Octo
Mar 29, 2023
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OFR-93-76 Research Study Of Retreat Surface Area Mining Systems ? Introduction
1. Proposals were submitted to the Western Administrative Center of the US Bureau of Mines, Denver, Colorado on 30th December, 1974 and Contract No J 0255003 was awarded, the effective date being 8th
Jan 1, 1976
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Efficiency Improvement Of Reducing Agents In The Blast Furnace To Reduce Co2 Emissions And Costs
By Robin Schott
The blast furnace process is the most important process to produce pig iron. The necessary process energy is mainly covered by coke. But the production of coke is connected with CO2-emissions and high
Aug 17, 2017
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Paracatu Gold Mine - Successful Processing of a Large Low-Grade Ore Body
By Wayne Phillips, Anatalia Silva, Robert Henderson, Tondo. Luis
"Kinross’ Paracatu Mine has 20 years of operational success as one of the lowest grade milloperated gold mines in the world. At year end 2005, Paracatu’s Proven and Probable Reserves were 1.18 billion
Jan 1, 2007