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New Discoveries At The Red Dog Zn-Pb Deposit, Alaska
By S. Jennings
The Red Dog massive sulfide deposit is located in the western Brooks Range of Alaska 100 miles north of the village of Kotzebue. It contains the largest zinc reserve in the world. Reserves were double
Jan 1, 1998
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High Strength Aluminum Matrix Composites Reinforced by Newly Developed a-Alumina Single Crystal Particles
By Hiroshi Tabuchi, Akihiko Takahashi
"High strength aluminum matrix composites were prepared and studied using as reinforcement newly developed nearly mono-dispersed a-alumina single crystal particles each of which has a regular polyhedr
Jan 1, 1998
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Remediation of AMD. The Green Precipitate Process
By R. M. Taylor
Lime addition to acid mine drainage (AMD) leads to precipitation, predominantly of metal hydroxides and calcium sulfate, and is the benchmark for remediation by precipitation. Geo2 Limited of Melbourn
Jan 1, 1998
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Controlled Demolition of a Reinforced Concrete Building in Seoul, Korea
By Kwang-Tae Kim, Yong-Kun Choi, Jeong-Soo Chong, Yun-Jae Lee
An annex building at the former Agency for National Security Planning(NSP) complex located in downtown Seoul was demolished by progressive collapse method. This work was done as a part of efforts to r
Jan 1, 1998
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1997 -1998 RMCMI Membership
[Mr. Scott Aberle Western Energy Co POB 99 Colstrip, MT 59323-0099 Mr. Brian L. Acton Oxbow Carbon & Minerals Inc 1601 Forum Pl-#P2 West Palm Beach, FL 33401 Mr. Laine W. Adair Genwa
Jan 1, 1998
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The Effect of Blast Design on the Lump:Fines Ration at Marandoo Iron Ore Operations
By Chapman J, Kanchibolta S. S Poetschka N L
A field study was undertaken at Marandoo iron ore operations to investigate the effect of blasting on the lump/fines ratio. Three blasts, each in a different ore domain were monitored and the blaste
Jan 1, 1998
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Use Of Probability Distributions To Define Baseline Ground Water Quality At A Uranium Mill Site
By K. J. Bruxvoort
Background ground water quality is often used to drive remediation programs at sites with waters affected by mining activities. In the past these levels were sometimes chosen without rigorous statisti
Jan 1, 1998
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Structure and Hydrogen-Absorption Properties of LaNi5 Thin Films Prepared by a Sputtering Method
By Kimio Itagaki, Torn Matsumoto, Makoto Ohtsuka, Kentarou Harada
"The structure and hydrogen-absorption properties of LaNis thin films were investigated in the present study. LaNis thin films were prepared by a sputtering method with a radio-frequency power, Ws, of
Jan 1, 1998
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Recent Developments and Trends in Backfill Practices in Canada
Planning of modern mines entails considerable challenges in the areas of ground control, materials handling, safety, environment, equipment and personnel. Many orebodies are not economical unless effi
Jan 1, 1998
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Role Of Fine-Coal Classification Efficiency On Coal Preparation Plant Performance
By D. Edward, C. Clarkson, B. A. Firth
The presence of misplaced ultrafine particles decreases the separation efficiency of unit operations used in coal preparation. Although the classification of fine coal was considered to be adequate fo
Jan 1, 1998
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An On-Site Simulation Of Submarine Tailings Disposal: Pore Water Chemistry And Biological Recovery
By R. H. Lambeth
Disposal of mine tailings in "waters of the United States" is presently prohibited even though case studies indicate that the practice may be environmentally viable. To simulate disposal in the natura
Jan 1, 1998
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Carbon-in-Pulp and Carbon-in-Leach Adsorption Circuits -Optimization of Design Using the Carousel System
By N. Morrison, E. J. Rogans, A. J. Macintosh, N. Schoeman
"The design of carbon-in-pulp (CIP), and carbon-in-leach (CIL) adsorption circuits has essentially remained unchanged since the early days of the carbon process for gold recovery. For CIP circuit the
Jan 1, 1998
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Strategic Plan for Automation and Process Management at the Chuquicamata Mine
By Hector M. Valenzuela, Juan H. Rojas
This paper presents a strategic plan for automation, plant integration and process management being implemented at the Chuquicamata mining and metallurgical complex of Codelco-Chile. This five-year pl
Jan 1, 1998
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Integration of a Microseismic Monitoring System in Mining the Pasminco Broken Hill Southern Cross Area
By K P. Tully
In August 1996 a Microseismic Monitoring System developed by ISS International Limited was installed at the Pasminco Broken Hill Mine -Southern Cross area. The project aims were to:Assist in daily saf
Jan 1, 1998
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1997 Jackling Lecture - Porphyry Copper Geology: A Late Century View
By Spencer R. Titley
"For his pioneering contributions to the understanding of the geology of porphyry copper systems" Recipient Of The 1997 D. C. Jackling Award SPENCER R. TITLEY Introduction The subject of thi
Jan 1, 1998
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Role of On-Line Analysis in Quality Control of Iron Ore
By P J. Mathew
Quality and process control in the iron ore industry is based on measurements of ore grade from blast holes through to shiploading. Traditionally this has been carried out using conventional sampling,
Jan 1, 1998
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The Recovery of Coating Grade Kaolin From the Deposit of Rio Capim, Brazil
By L. R. Freitas, A. K. Resende, J. A. Oliveria, K. L. Gonçalves, L. F. D’Assumpção, L. R. Lage, J. D. Neto, F. Viveiros
Pará Pigmentos S.A. (PPSA) is an association between the Brazilian companies CVRD and CADAM, Mitsubishi Corporation of Japan, and the IFC (World Bank) created in 1992 in order to recover kaolin from R
Jan 1, 1998
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The Liquidus Surface And Tie Lines In The Nickel-Cobalt-Sulphur System Between 1273 And 1573 K ,
By M. Soltanieh
The liquidus surface? and tie-lines in the nickel-cobalt-sulphur ternary system have been determined between 1<273-1573 K. The experiments were conducted by equlibrating the liquid sulphide with the m
Jan 1, 1998
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Optimum Drill and Blast
The traditional concept of optimum drill and blast is that it is achieved when ore is produced at the lowest unit cost and, because of the complexities of most mining operations, represents a band w
Jan 1, 1998
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The Advanced Control Project at Highland Valley Copper
By Cy Jordan, Ben Burdett, Adrian Dance, Jack Rainey
"In 1997, EIMCO Minerals installed a knowledge-based control system on one of the five primary grinding lines at Highland Valley Copper. The objective of the system is to maximise throughput without a
Jan 1, 1998