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Author : Chemical, Metallurgical, and Mining Society of South Africa
Publisher : Unknown
Page : 320 pages
File Size : 43,8 Mb
Release : 1919
Category : Mineral industries
ISBN : MINN:31951D003294639
Author : Anonim
Publisher : Unknown
Page : 732 pages
File Size : 49,7 Mb
Release : 1953-07
Category : Mineral industries
ISBN : NYPL:33433107765681
Author : South African Institute of Mining and Metallurgy
Publisher : Unknown
Page : 662 pages
File Size : 40,8 Mb
Release : 1898
Category : Electronic
ISBN : OSU:32435062341110
Author : Chemical, Metallurgical, and Mining Society of South Africa
Publisher : Unknown
Page : 530 pages
File Size : 47,5 Mb
Release : 1903
Category : Mineral industries
ISBN : UCAL:B2909535
Author : Anonim
Publisher : Unknown
Page : 520 pages
File Size : 55,5 Mb
Release : 1947
Category : Mineral industries
ISBN : UCAL:B2864081
Author : Chemical, Metallurgical, and Mining Society of South Africa
Publisher : Unknown
Page : 292 pages
File Size : 50,5 Mb
Release : 1922
Category : Mineral industries
ISBN : MINN:31951D003294663
Author : Johan de Beer
Publisher : AFRICAN SUN MeDIA
Page : 648 pages
File Size : 43,7 Mb
Release : 2016-01-25
Category : Technology & Engineering
ISBN : 9781920689810
Geophysics is a comparatively young science which only evolved as a distinct discipline during the 19th century. However, its phenomena (like earthquakes, tsunamis, volcanic eruptions and lightning) had been objects of fear, curiosity and speculation since ancient times. In this book, Johan de Beer and his research team reveal that geophysical activity in South Africa can be traced back to as early as 1488. This is a truly astonishing revelation which deserves to be firmly entrenched as part of the country's proud history. The book also discusses the history and formation of South African geophysical institutions that made a huge and seldom acknowledged contribution to the technological development of southern Africa.
Author : Michael S. Bisson,Terry S. Childs,Philip De Barros,Augustin F.C. Holl,O. Vogel, Joseph
Publisher : AltaMira Press
Page : 316 pages
File Size : 54,9 Mb
Release : 2000-08-16
Category : Social Science
ISBN : 9781461705925
Gold. Copper. Iron. Metal working in Africa has been the subject of both public lore and extensive archaeological investigation. Here, four of the leading contemporary researchers on this topic attempt to provide a complete synthesis of current debates and understandings: Where, how, and when was metal first introduced to the continent? How were iron and copper tools, implements, and objects used in everyday life, in trade, in political and cultural contexts? What role did metal objects play in the ideological systems of precolonial African peoples? Substantive chapters address the origins of metal working and the technology and the various uses and meanings of copper and iron. An ethnoarchaeological account in the words of a contemporary iron worker enriches the archaeological explanations. This book provides a comprehensive, timely summary of our current knowledge.
Author : Anonim
Publisher : Unknown
Page : 758 pages
File Size : 44,7 Mb
Release : 1949-07
Category : Nuclear energy
ISBN : PSU:000047757981
Author : Anonim
Publisher : Unknown
Page : 436 pages
File Size : 50,5 Mb
Release : 1961
Category : Geology
ISBN : UCAL:B2969385
Author : United States. Department of Energy
Publisher : Unknown
Page : 752 pages
File Size : 51,5 Mb
Release : 1977
Category : Oil sands
ISBN : UOM:39015095261387
Author : Xavier Emery,Serge Antoine Séguret
Publisher : CRC Press
Page : 310 pages
File Size : 42,5 Mb
Release : 2020-12-28
Category : Technology & Engineering
ISBN : 9781000282757
This book covers the main mining issues where geostatistics, a discipline founded in the 1960s to study regionalized variables measured at a limited number of points in space, is expected to play a role. Each chapter of the book is associated with a stage of the mining sequence, including the interpretation and geological modeling of mineral deposits, evaluation of in-situ and recoverable resources, long-term mine planning, short-term planning and ore control, geotechnics, geometallurgy and sampling. This work, featuring more than 150 illustrations, avoids the traditional laborious and crippling theoretical treatment of geostatistics and is systematically oriented toward a practical exhibition of the problems and proposed solutions. The writing is fluid and intended to involve the reader. The book is the fruit of more than 35 cumulative years of applied research by the authors, a professor at the University of Chile and a researcher at Mines ParisTech, carried out in collaboration with the Chilean company Codelco since the late 1990s. Despite focusing on copper porphyry deposits, the generalization of the methods presented to the entire mining industry is straightforward. The broad range of problems addressed, including generally neglected disciplines such as geotechnics, geometallurgy and sampling, and their practical presentation make this book unique and usable by a very wide audience – students, researchers, geologists, engineers, geotechnicians and metallurgists.
Author : Shadreck Chirikure
Publisher : Springer
Page : 166 pages
File Size : 53,8 Mb
Release : 2015-03-18
Category : Social Science
ISBN : 9783319116419
This book seeks to communicate to both a global and local audience, the key attributes of pre-industrial African metallurgy such as technological variation across space and time, methods of mining and extractive metallurgy and the fabrication of metal objects. These processes were transformative in a physical and metaphoric sense, which made them total social facts. Because the production and use of metals was an accretion of various categories of practice, a chaine operatoire conceptual and theoretical framework that simultaneously considers the embedded technological and anthropological factors was used. The book focuses on Africa’s different regions as roughly defined by cultural geography. On the one hand there is North Africa, Egypt, the Egyptian Sudan, and the Horn of Africa which share cultural inheritances with the Middle East and on the other is Africa south of the Sahara and the Sudan which despite interacting with the former is remarkably different in terms of technological practice. For example, not only is the timing of metallurgy different but so is the infrastructure for working metals and the associated symbolic and sociological factors. The cultural valuation of metals and the social positions of metal workers were different too although there is evidence of some values transfer and multi-directional technological cross borrowing. The multitude of permutations associated with metals production and use amply demonstrates that metals participated in the production and reproduction of society. Despite huge temporal and spatial differences there are so many common factors between African metallurgy and that of other regions of the world. For example, the role of magic and ritual in metal working is almost universal be it in Bolivia, Nepal, Malawi, Timna, Togo or Zimbabwe. Similarly, techniques of mining were constrained by the underlying geology but this should not in any way suggest that Africa’s metallurgy was derivative or that the continent had no initiative. Rather it demonstrates that when confronted with similar challenges, humanity in different regions of the world responded to identical challenges in predictable ways mediated as mediated by the prevailing cultural context. The success of the use of historical and ethnographic data in understanding variation and improvisation in African metallurgical practices flags the potential utility of these sources in Asia, Latin America and Europe. Some nuance is however needed because it is simply naïve to assume that everything depicted in the history or ethnography has a parallel in the past and vice versa. Rather, the confluence of archaeology, history and ethnography becomes a pedestal for dialogue between different sources, subjects and ideas that is important for broadening our knowledge of global categories of metallurgical practice.
Author : South African Institute of Mining and Metallurgy,Chemical, Metallurgical, and Mining Society of South Africa
Publisher : Unknown
Page : 368 pages
File Size : 46,9 Mb
Release : 1897
Category : Gold
ISBN : MINN:319510008694751
Author : F.E. Beamish
Publisher : Elsevier
Page : 344 pages
File Size : 46,6 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323155021
Analysis of Noble Metals: Overview and Selected Methods describes simple techniques with useful sensitivity, accuracy, and precision for noble metal analysis. This book is composed of seven chapters that include the methods of atomic absorption, spectrochemical, spectrophotometric, gravimetric, volumetric, and potentiometric determinations of noble metals. Each chapter discusses the concept, principles, practice, and application of the specific analytical technique. A chapter examines several separation methods for noble metals, including cation exchange, mercury amalgam, reduction, silver assay beads, solvent extraction, and dissolution. This book will be of great value to analytical chemists, instrumental engineers, and researchers.
