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Sous-niveaux retraités avec Alimak et chargement en vracBy Richard Lavallée
La Mine Louvicourt est une mine hautement mécanisée exploitant un gisement polymétallique avec des chantiers transversaux minés et remblayés selon une séquence primaire-secondaire. Dans certaines part
Oct 1, 2004
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South 196th/200th Street Corridor And Bridge Crossing, Kent, WashingtonBy James Su
The Green River Valley in Kent, Washington, is a fast growing area containing retail facilities, warehouse factories and industrial businesses, including the Boeing Space Center. Traffic from Intersta
Jan 1, 1998
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South AfricaA visitor to the Republic of South Africa might profitably make his first sightseeing objective the Voortrekker's Monument at the administrative capital, Pretoria. Here he will find memorialized
Jan 12, 1962
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South Africa - A Vital Source And Reliable Supplier Of Strategic MineralsBy Denis G. Maxwell
INTRODUCTION It is my intention in this paper to deal with gold, uranium, diamonds, platinum, manganese, chrome, vanadium and heavy mineral sands. These are the most important strategic minerals p
Jan 1, 1982
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South Africa : World Focal Point Of Mineral Supply And InvestmentBy Frederik W. de Klerk
INTRODUCTION During the past 40 years, there has been in the United States of America and other industrialised Western countries a distinct displacement in the procurement of minerals from domestic
Jan 1, 1982
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South Africa's Ferro Alloys Industry - Present Status And Future OutlookBy T. R. Curr, W. A. Gericke, J. Basson
South Africa is a leading player in the international ferro alloys industry. Historical factors that have contributed to this dominant position include an abundance of natural resources and relatively
Jan 1, 2007
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South Africa's position in the world's supply of mineralsBy B. G. Russell
A wide range of minerals is found within the Republic of South Africa, many of which are exploited to a greater extent than in similar deposits found elsewhere. It is often asked whether this is atrib
Jan 1, 1986
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South Africa: A setting sun?By R. G. Jones
At its peak in the 1970s, South Africa was responsible for around 80% of global gold production and, according to the US Geological Survey, it still has the largest share of gold reserves - as well as
Jun 1, 2015
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South African And Chinese Fluorspar Production Related To The U.S. Market ? Chinese FluorsparBy G. B. McClurg
China was nota factor in the supply of fluorspar to the United States until the early 1980's when it shipped in its first package of Metallurgical lump, that not only was higher grade than the Me
Jan 1, 1986
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South African Blasting Practice in Shaft SinkingBy Rodney C. Espley-Jones, John C. B Wilson
South Africa is well known for its shaft sinking exploits, and many of the world's biggest and deepest shafts are to be found there. Blasting practice differs in a number of respects from that followe
Jan 1, 1979
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South African Coal Pillar DatabaseBy J. N. Van der Merwe
The research described in the paper was aimed at providing standardized information of cases of failed and intact coal pillars in the form of databases to researchers. It also offered the opportunity
Jan 1, 2006
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South African Council for Professional Engineers Policy Statement no. 1/31. TRAINING IN ENGINEERING WORK FOR ENGINEERS IN TRAINING 1.1 Registration as engineer in training An engineering graduate who has passed an examination recognised by the Council1 is eligible for re
Jan 1, 1979
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South African DiaryBy J. G. EVANS
It is with a certain amount of trepidation that a man considers gathering his family of six, traveling across a continent, two oceans and a sea, and going to live in a foreign land. But "pioneering" i
Jan 1, 1949
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South African Experience With Asbestos Related Environmental Mesothelioma: Is Asbestos Fiber Type Important?By Neil White
South Africa (SA), a country in which all three commercially important asbestos minerals have been mined and milled, has retained proven cases of mesothelioma linked with environmental exposure to asb
Jan 1, 2007
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South African Gold Production: How Long the Dominant Factor?By Edward H. Jr. Boyle, Paul R. Thomas
Introduction It is estimated that nearly 40% of all the gold ever mined in free world countries has been produced by South African operations. There is concern that this immense productive capacity w
Jan 11, 1984
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South African Gold Production: How Much, For How Long And At What CostBy Paul R. Thomas
This paper addresses the long-term cost and availability of primary gold production from the Republic of South Africa. Forty-four major producing or developing operations were evaluated. The analyses
Jan 1, 1984
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South African hoisting systems with emphasis on Blair multi-rope hoistsBy A. M. Girodo
"Dorbyl Heavy Engineering has been manufacturing winders since 1949 mostly for the South African mining industry.Table 1 shows that the vast majority of winders have been double drum winders. At the g
Jan 1, 1995
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South African Milling PracticeBy R. S. Shoemaker, F. W. McQuiston
SOUTH AFRICAN MILLING PRACTICE All modern South African gold plants operate primarily on the principle of exposing the gold particles in the ore by fine grinding and then cyaniding the total pulp.
Jan 1, 1975
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South African Mineworkers’ Perspectives on the Right to Refuse Dangerous Work and the Constraints to Worker Self-RegulationBy S. Saeed, N. Coulson, P. F. Stewart
"The Mine, Health and Safety Act No. 29 of 1996, as amended, embodies worker self-regulation to advance health and safety in the workplace. An important provision for this is the Right to Refuse Dange
Jan 1, 2018
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South African Mining In The Contemporary Political?Economic Context - IntroductionBy M. Solomon
During the course of 2011 the nationalization of mines emerged as one of the most contentious and emotive political issues under review. Some four years after the African National Congress electoral c
Jan 1, 2013