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Practical Challenges For The Mine: Precious Metals Accounting And ReconciliationBy Will Jansen
When Enron rocked the United States with its Titanic-sized financial accounting scandal, miners and metallurgists were probably too busy on the mine sites in remote locations to wonder about its rippl
Jan 1, 2009
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Technical Note - Rapid Production of High Quality Polished Sections for Automated Image Analysis of MineralsBy Wittenberg J. C, Reid A. F
A method is described for the rapid and effective production of polished section mounts of ore and mineral particulates to the standards required for automated image analysis. This requires mounting w
Jan 1, 1984
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Iron Oxide Cu-Au (IOCG) Mineralizing Systems: An Example From Northeastern RussiaBy A. Kostin
GIS and multivariate geometric distribution have been used to predict the association of high-level intrusives with hydrothermal alteration related to iron oxide Cu-Au (IOCG) mineralizing systems. Sev
Jan 1, 2014
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Some MINExpo Exhibitors PreviewedBortech’s BoreClad corrosion protection system will be displayed at MINExpo. BoreClad is an innovative system for inside diameter cladding of nozzles, tubes and other circumferential devices. Pressu
Jan 1, 2004
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Discovery of the Hamersley Iron DepositsBy Burns W. G, Muceniekas E, Whitcher I. G, Hughes F. E
No iron ore deposits were reported before 1961 from the Hamersley Ranges, Western Australia, although low-grade bedded iron formations, associated with ferruginous jaspers and cherts, were known to oc
Jan 1, 1964
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OFR-3-76 Feasibility Of Remote Control And Development Of Remote Control Devices And Sensors ? Shuttle Car Sensor System - Supplement - Automatic Steering Control For Mine Shuttle Car (Phase I)By Richard L. Fowler
An automatic steering control system was designed, installed and tested on a coal mine shuttle car. The system utilizes sensors and associated signal processing electronics developed under a previous
Jan 1, 1975
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The Maragorik Prospect, East New Britain, Papua New GuineaBy Hayward SB, First DM
The Maragorik Prospect represents a partially eroded Pliocene acid sulphate style epithermal gold system hosted within the Sigule Volcanics and Riet Bed sediments which is inferred to have formed
Jan 1, 1991
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Corrosion Behaviour of Swellex Bolts in Underground Mining EnvironmentsBy F. Charette
The paper reviews recent investigations of the impact of corrosion on the performance of both plain and coated Swellex rock bolts. It addresses the problems associated with estimating and predicting c
May 1, 2004
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Contrasting Kimberlites and LamproitesBy Barbara H. Scott Smith
"During the last two decades lamproites have joined kimberlites as the only two known primary sources of economic quantities of diamonds. This paper contrasts the petrography, primary and xenocrystic
Jan 1, 1992
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IC 7985 Open-Pit Copper Mining Methods And Practices, Copper Cities Division, Miami Copper Co., Gila County, Ariz. ? SummaryBy W. R. Hardwick
This paper describes open-pit mining methods and practices at Copper Cities Division of Miami Copper Co, in Gila County, Ariz. It is one of a series being prepared by the Burea of Mines on mining meth
Jan 1, 1960
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Angas Zinc Mine - Start-Up and the First Twelve Months of Operation in the Adelaide HillsTerramin Australia LimitedÆs Angas Lead and Zinc Mine operates in the unique and picturesque environment of Adelaide Hills, 60 km South East of the Adelaide city centre itself. The mine was granted ap
Jan 1, 2009
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Thermal Fragmentation as a Possible, Viable, Alternative Mining Method in Narrow Vein Mining? Mining, Metallurgy and Exploration (bd487436-b3d1-4763-8a02-8d7c396a0d79)By Larissa Koroznikova, Steve Durkin, Patrick Bouwmeester, Michael Tuck
In currently used mining methods, blasting techniques often causes dilution of valuable ore and results in costly processing requirements. In the context of narrow vein mining of thin and highly conce
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OFR-28-74 Electromagnetic Location Experiments In A Deep Hardrock MineBy A. J. Farstad
Electromagnetic location tests were conducted by Westinghouse Georesearch Laboratory under the sponsorship of the U. S. Bureau of Mines at the Galena Mine in Northwest Idaho. The objectives of these t
Jan 1, 1973
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Rochester Mine Reaches 100 Million Ounces of Silver ProductionThe Coeur Rochester Mine is one of the largest and lowest cost primary silver mines in the United States. In January, the mine surpassed 3.1 kt (100 million oz) of historic silver production. Rochest
Jan 1, 2004
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Securing Rail Infrastructure in RomaniaBy Andreas Brandner
"At the beginning of 2007 the Austrian contractor PORR was awarded with remediation works for a 48-km long part of the railway line from Campina to Predeal – part of the Trans European main Corridors
Jan 1, 2017
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Two Tunnels in Totally Different Geological Formations Driven by the Same 7M Double-Shield TBM with an Extremely Thin-Walled Monoshell Honeycomb Segmental Lining SystemBy Wolfgang Guetter, Wolfgang Weber
The upgrading project for two hydropower plants in Slovenia, Europe, requires two new pressure tunnels: Plave II (5.9 km Flysch) and Doblar II (3.6 km Limestone). It is the worldwide largest applicati
Jan 1, 2001
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Development of a Smart Self Contained Breathing Apparatus (Smart Scba) for use in Emergency EscapeBy D. Kimball, P. Chambers
"BACKGROUND In the event of an explosion or fire in an underground mine, workers can be exposed to a deficiency of oxygen, an excess of carbon monoxide, or both. These threats can occur as separate co
Jan 1, 2015
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Changes in grade, volume and contained gold during the mining life-cycle of gold placer depositsBy J. D. Bliss, G. J. Orris, W. O. Menzie
"Analysis of gold placer data from gold placers throughout the world suggests that gold grades and volumes cannot be used to distinguish between most types of gold placers. Only the alluvial plain and
Jan 1, 1987
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Potential Applications of Nanofiltration Membranes in Copper–Cobalt ProcessingBy L. A. Thompson, A. J. Linington
"Copper–cobalt extraction is a reagent-intensive process resulting in acid consumption greatly contributing towards production costs, which in the current market conditions curtail profitability. Nano
Jan 1, 2015
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Three case studies on the implementation of new technology in the mining industryBy A T. Job, P R. McAree
There is significant value at stake in the mining industry from the implementation of new technologies that support the enhanced profitability and sustainability of mines. However, in order to realise
Jul 24, 2017