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Regional Geological Setting of Gold Deposits, Eastern Red Lake Area, Northwestern OntarioBy James Pirie
"The major Archean gold deposits in the Red Lake greenstone belt, which have produced over 374 million grams of gold since 1930, occur near the top of the lower komatiitic to tholeiitic mafic to ultra
Jan 1, 1982
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Construction of the Big Walnut Augmentation/Rickenbacker Interceptor Tunnel (BWARI, Part 1) —Columbus, OhioBy Glen D. Frank, Jeremy P. Theys, Mina M. Shinouda, Gary W. Gilbert
PURPOSE OF THE PROJECT The Big Walnut Augmentation Rickenbacker Interceptor project began in 1995with the preparation of the Scope of Services for the design of the Rickenbacker Interceptor, with
Jan 1, 2007
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RI 6228 Lead And Barium Disilicic FluormicasBy John L. Miller
The synthetic fluormicas may be divided on the basis of silicon content into tetrasilicic, trisilicic, and disilicic. Properties of lead and barium disilicic fluormicas were determined to characterize
Jan 1, 1963
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Some Mitigative Measures for Protection of Surface Structures Affected by Ground SubsidenceBy L. You
Theoretical and analytical analyses of three mitigative measures- plane fitting method, trenching, and tension cable led to the development of a total protection plan to eliminate or reduce damages to
Jan 1, 1986
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Preparation of Metallic Single Crystals and Twinning in Zinc and Zinc Single Crystals (a8e18352-9158-49b1-97eb-ed30e470a6c9)By Orlando E. Romig
As metals and alloys are composed of an aggregate of allotriomorphic crystals or grains, each possessing an individual orientation, the physical characteristics of a metal or an alloy are closely rela
Jan 1, 1927
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A New Underground Auger Mining SystemBy I. L. Follington
This paper describes the research and development programme to develop a prototype underground auger mining system aimed at developing and demonstrating an underground auger mining system able to prov
Jan 1, 2001
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Cyanide-Plant And Practice At The Minas Del Tajo. Rosario, Sinaloa, Mexico.By Roger L. Beals, George A. Tweedy
I. INTRODUCTION. THE results of the cyanide-operations, given in detail in the following paper, show the progress that is being made at the Minas del Tajo. The old pan-amalgamation process, in operat
Feb 1, 1910
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Acquiring Capital Funds for Coal MiningBy Dale S. Hursh, William A. Brooks
Introduction US dependence on external energy sources is dangerous because of unstable political situations existing in key energy exporting countries. So, recent national energy policies call for
Jan 9, 1982
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Petrographic Evidence Relating to Movement on the Thackaringa-Pinnacles Fault, Broken Hill DistrictAlthough the pattern of metamorphic zones south of the Thackaringa-Pinnacles Fault is much obscured by polymetamorphism, displacement of the orthopyroxene isograd by the fault agrees with the displace
Jan 1, 1965
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Real-time Mining – Moving Towards Continuous Process Management in Mineral Resource ExtractionBy N Jeannee, L Rattmann, M W. N Buxton, A deJong, K Nienhaus, A Soares, P Graham, A Korre, J Benndorf, D Buttgereit
The flow of information, and consequently the decision-making along the chain of mining from exploration to beneficiation, typically occurs in a discontinuous fashion over long timespans. In addition,
Nov 4, 2015
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Control of Mineral Sands Dry PlantBy D Gelling
Mineral sands dry plants consist of a large number of repetitive unit operations with significant transport delays, in the form of stream pipes, conveyors and elevators. As part of the P255 mineral sa
Jan 1, 2001
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Study on the Guiding Mechanism of Multiple and Empty Holes Under Explosion Load - Mining, Metallurgy & Exploration (2024)By Yiming Zhang, Yunpeng Li, Chun Feng, Ruyang Cao
In the past, the selection of the number of empty holes between blast holes heavily relied on the subjective experience of practitioners, leading to unsatisfactory blasting results. The number of empt
Dec 19, 2023
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Development of Best Practice Guideline for the management of hot holes in surface coal minesBy M. Mpofu, G. Stenzel, F. Magweregwede, B. Maphalala, T. Kgarume
Surface coal operations in which mining activities are conducted above old underground workings experience hot holes after drilling. In a coal mine, hot holes are defined as shot holes, which after be
Sep 9, 2024
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Blasting Vibration Assessment and Innovative Blasting Methods in High-density Urban EnvironmentsBy J W. Muir, N Bedford
Hong Kong is one of the most rapidly developing cities in the world. With constant population growth and limited opportunities for space, the development of a fast and effective underground public tra
Sep 17, 2014
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Development and Application of in Situ Flexural Strength Testing MethodBy P. Hr?enjak
Two groups of methods are usually used in design procedures of underground excavation of dimension stone: the analytical and numerical methods of analysis. In all of these methods the in situ rock mas
Aug 1, 2013
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RI 3131 The Use Of Aluminum For Oil Lease Tanks - Part II -- Laboratory Tests ? IntroductionBy Ludwig Schmidt
This report, the second of a series, presents the results of laboratory corrosion studies which were made in connection with a one-year test on aluminum lease tanks conducted by the United States Bure
Jan 1, 1931
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Time-Dependent Behaviour Of Hard Rock In Deep Level Gold MinesBy D. F. Malan
In deep level hard rock mining the rheological behaviour of the rock is important as time-dependent aseismic processes can lead to a stable dissipation of energy thus reducing violent outbursts. Under
Jan 1, 1997
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Fluid Inclusion and Isotopic Constraints on the Mineralisation of the Shagou Ag-Pb-Zn Deposit, Henan Province, ChinaBy J-S Han, J-M Yao
"An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. The Shagou deposit is located along NE-trending faults within the high-grade metamorphic ba
Mar 18, 2015
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An Algorithm To Construct Industry Cost Curves Used In Analysing Cash Cost Performance Of Operations For Selected Minerals In South AfricaBy T. Tholana
South Africa hosts some of the world?s largest known resources and reserves of minerals that are strategically important to the global economy. The country?s mining industry contributes significantly
Jun 1, 2013
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The POP project (Process Optimization Project) The first applications: Barrick Gold / Est-Malartic; Agnico-Eagle / Laronde; Noranda / MatagamiBy Éric Létoumeau, Julie Fournier, Sylvain Caron, Yves Breau, Martin Plante, Dominique Girard, Luc Tardif, François Robichaud
"Since 1999, COREM (formerly the Centre de Recherche Minérale) has conducted and coordinated research and development activities for a consortium of mining companies that uses the benefits and advanta
Jan 1, 2002