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Copper King in Central Africa
Author | : Hyden Munene |
Publisher | : Rowman & Littlefield |
Total Pages | : 292 |
Release | : 2022-01-31 |
Genre | : Political Science |
ISBN | : 1538146436 |
Copper King in Central Africa offers a detailed account of the corporate history of the Rhokana/Rokana Corporation and its Nkana mine. Thematically and chronologically organised, it explores the discovery of viable ores on the Northern Rhodesian/Zambian Copperbelt in the late 1920s, which attracted foreign capital from South Africa, Britain and the USA, prompting the development of the Nkana mine and the formation of the Rhokana Corporation in the early 1930s. It follows through the evolution of the copper mining industry up to the re-privatisation of the Zambian mining sector in 1991. The book ties into a single narrative the disparate themes of corporate organisation, labour relations, and profitability of Rhokana, demonstrating how the firm was, for a time, the most important mining entity in the Northern Rhodesian/Zambian mining industry. Rhokana was both an investment firm on the Copperbelt and a mining company through Nkana mine. Thus, the Corporation was central to the development and profitability of the copper industry in Zambia. Its corporate and labour policies influenced the Copperbelt as a whole. Employing the largest labour force in the mining sector, Rhokana spearheaded the labour movement on the Copperbelt. Its Nkana mine was also the largest producer of copper in the Northern Rhodesian mining industry between 1940 and 1953, and contributed hugely to the war economies of Britain and the USA. Throughout its history, Nkana was also a major source of cobalt. After nationalisation of the mining sector in 1970, Rhokana surrendered its investments in the wider copper industry, but remained central to the Copperbelt’s smelting and refining operations, owning the biggest metallurgical facilities in the industry.
The History of Mining
Author | : Michael Coulson |
Publisher | : Harriman House Limited |
Total Pages | : 489 |
Release | : 2012-11-12 |
Genre | : Business & Economics |
ISBN | : 0857192663 |
THE INDUSTRY THAT FORGED THE MODERN WORLD Throughout history metals and raw materials have underpinned human activity. So it is that the industry responsible for extracting these materials from the ground - mining - has been ever present throughout the history of civilisation, from the ancient world of the Egyptians and Romans, to the industrial revolution and the British Empire, and through to the present day, with mining firms well represented on the world's most important stock indexes including the FTSE100. This book traces the history of mining from those early moments when man first started using tools to the present day where metals continue to underpin economic activity in the post industrial age. In doing so, the history of mining methods, important events, technological developments, the important firms and the sparkling personalities that built the industry are examined in detail. At every stage, as the history of mining is traced from 40,000BC to the present day, the level of detail increases in accordance with the greater social and industrial developments that have played out as time has progressed. This means that a particular focus is given to the period since the industrial revolution and especially the 20th century. A look is also taken into the future in an effort to chart the direction this great industry might take in years to come. Many books have been written about mining; the majority have focused on a particular metal, geographical area, mining event or mining personality, but 'The History of Mining' has a broader scope and covers all of these essential and fascinating areas in one definitive volume.
Index of Patents Issued from the United States Patent Office
Author | : United States. Patent Office |
Publisher | : |
Total Pages | : 1242 |
Release | : 1953 |
Genre | : Patents |
ISBN | : |
Annual Report of the Commissioner of Patents
Author | : United States. Patent Office |
Publisher | : |
Total Pages | : 1744 |
Release | : 1925 |
Genre | : Agriculture |
ISBN | : |
Prior to 1862, when the Department of Agriculture was established, the report on agriculture was prepared and published by the Commissioner of Patents, and forms volume or part of volume, of his annual reports, the first being that of 1840. Cf. Checklist of public documents ... Washington, 1895, p. 148.
Subject-matter Index of Patents for Inventions Issued by the United States Patent Office from 1790 to 1873
Author | : United States. Patent Office |
Publisher | : |
Total Pages | : 534 |
Release | : 1874 |
Genre | : Patents |
ISBN | : |
Commissioner of Patents Annual Report
Author | : United States. Patent Office |
Publisher | : |
Total Pages | : 1088 |
Release | : 1905 |
Genre | : Patents |
ISBN | : |
Advances in Gold Ore Processing
Author | : Mike D. Adams |
Publisher | : Elsevier |
Total Pages | : 1077 |
Release | : 2005-12-02 |
Genre | : Technology & Engineering |
ISBN | : 0080459080 |
The gold processing industry is experiencing change. As free-milling and oxide ores become depleted, more complex polymetallic and refractory ores are being processed, coupled with increasing pressure for stricter environmental compliance. Recent years have also seen a steady reduction in mineral processing and metallurgy graduates and a gradual loss of older operating experience. A contribution to documenting current and future best practice in gold ore processing seems timely.The focus of this volume is on advances in current gold plant operation, from conception to closure; chapters also cover innovations at the bench and pilot-scale level that would be expected to find commercial application at some stage. Sufficient coverage is also given to the chemistry and engineering aspects. The general principle behind the structure of the volume is that of flowsheeting based on unit operations and applied to a mineralogical classification of gold ore types. From concept to closure, this book covers all unit operations, mineralogies and processes that are relevant to dealing with today's complex orebodies.Practical experience is vital to the successful development, operation and closure of any operation. The 42 chapters have been contributed by a total of 66 authors and co-authors who are experts from countries spanning the globe, and representing exhaustive practical knowledge covering many disciplines relevant to gold processing.* Current best practice as elucidated by a select panel of experts in the field* Innovations at the bench and pilot-scale level that would be expected to find commercial application at some stage* Mineralogical-based approach to flowsheeting