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Gold Metallogeny and Exploration

Editat de B. Foster
en Limba Engleză Paperback – 31 iul 1993
Within the last decade, the high and continuing demand for gold has prompted a global gold rush on a scale never before seen, not even in the heady days of Ballarat, California and the Yukon. Gold is being sought on every continent and, with very few exceptions, in every country around the world. Such interest and fierce competition has demanded considerable innovation and improvement in exploration techniques paralleled by a rapid expansion of the geological database and consequent genetic modelling for the many different types of gold deposits now recognized. This proliferation of data has swamped the literature and left explorationist and academic alike unable to sift more than a small proportion of the accumulating information. This new book represents an attempt to address this major problem by providing succinct syntheses of all major aspects of gold metallogeny and exploration, ranging from the chemical distribution of gold in the Earth's crust, and the hydrothermal chemistry of gold, to Archaean and Phanerozoic lode deposits, epithermal environments, chemical sediments, and placer deposits, and culminates in chapters devoted to geochemical and geophysical exploration, and the economics of gold deposits. Each chapter is written by geoscientists who are acknowledged internationally in their respective fields, thus guaranteeing a broad yet up-to-date coverage. In addition, each chapter is accompanied by reference lists which provide readers with access to the most pertinent and useful publications.
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Specificații

ISBN-13: 9780412569609
ISBN-10: 0412569604
Pagini: 432
Ilustrații: XV, 432 p.
Dimensiuni: 152 x 229 x 23 mm
Greutate: 0.82 kg
Ediția:Softcover reprint of the original 1st ed. 1993
Editura: SPRINGER NETHERLANDS
Colecția Springer
Locul publicării:Dordrecht, Netherlands

Public țintă

Research

Cuprins

1 Distribution of gold in the Earth’s crust.- 1.1 Introduction.- 1.2 Gold in rock-forming minerals.- 1.3 Gold in igneous rocks.- 1.4 Gold in sediments and sedimentary rocks.- 1.5 Gold in metamorphic rocks.- 1.6 Concluding summary.- 1.7 Mineral data.- References.- 2 The hydrothermal geochemistry of gold.- 2.1 Introduction.- 2.2 The inorganic chemistry of gold.- 2.3 Gold complexing in hydrothermal solutions.- 2.4 Gold deposition.- 2.5 Summary.- References.- 3 Archaean lode gold deposits.- 3.1 Introduction.- 3.2 Nature of deposits.- 3.3 Regional distribution.- 3.4 Constraints on genetic models.- 3.5 Genetic models.- 3.6 Tectonic setting of gold mineralization.- 3.7 Potential exploration significance.- 3.8 Brief summary.- References.- 4 Phanerozoic gold deposits in tectonically active continental margins.- 4.1 Introduction.- 4.2 Distribution of Phanerozoic lode gold deposits in space and time.- 4.3 Geological and geochemical characteristics.- 4.4 Genetic models.- 4.5 Comparisons of Phanerozoic mesothermal deposits to other types of gold mineralization.- 4.6 Conclusions.- References.- 5 Epithermal gold deposits in volcanic terranes.- 5.1 Introduction.- 5.2 Exploration case studies.- 5.3 Environment of alteration and mineralization.- 5.4 Active geothermal systems.- 5.5 Metal transport in epithermal systems.- 5.6 Physico-chemical conditions in the depositional regime.- 5.7 Epithermal deposits through geologic time.- 5.8 Exploration.- 5.9 Summary.- References.- 6 Intrusion-related gold deposits.- 6.1 Introduction.- 6.2 Geotectonic settings.- 6.3 Intrusion-hosted stockwork/disseminated deposits.- 6.4 Deposits in carbonate rocks.- 6.5 Stockwork, disseminated and replacement deposits in non-carbonate rocks.- 6.6 Breccia-hosted deposits.- 6.7 Vein-type deposits.- 6.8 Depositinterrelationships and metal zoning.- 6.9 Genetic considerations.- 6.10 Possible relationships with other gold deposit types.- 6.11 Concluding remarks.- References.- 7 The geology and origin of Carlin-type gold deposits.- 7.1 Introduction.- 7.2 Classification of Carlin-type deposits.- 7.3 Regional geological and tectonic setting.- 7.4 Characteristics of the deposits.- 7.5 Ore deposit models.- 7.6 Exploration guidelines.- 7.7 Summary.- References.- 8 Auriferous hydrothermal precipitates on the modern seafloor.- 8.1 Introduction.- 8.2 Gold in seafloor polymetallic sulphide deposits.- 8.3 Mineralogy and geochemistry of gold in seafloor hydrothermal systems.- 8.4 Gold in sub-seafloor stockwork mineralization.- 8.5 Gold in hydrothermal plumes and associated metalliferous sediments.- 8.6 Transport and deposition of gold in seafloor hydrothermal systems.- 8.7 Secondary enrichment of gold in supergene sulphides and gossans.- 8.8 Gold in ancient seafloor hydrothermal systems.- References.- 9 Ancient placer gold deposits.- 9.1 Introduction.- 9.2 Geological setting.- 9.3 The palaeosurfaces.- 9.4 The placer sediments.- 9.5 Metamorphism.- 9.6 Structural control.- 9.7 Summary.- References.- 10 Geochemical exploration for gold in temperate, arid, semi-arid, and rain forest terrains.- 10.1 Introduction.- 10.2 Geochemical signatures of gold mineralization.- 10.3 Examples and case histories.- 10.4 Operating procedures.- 10.5 Alternative sampling techniques.- 10.6 Conclusions.- References.- 11 Geochemical exploration for gold in glaciated terrain.- 11.1 Introduction.- 11.2 Glacial dispersal.- 11.3 Glacial stratigraphy and ice-movement directions.- 11.4 Sampling and analytical methods.- 11.5 Occurrence of gold in till and soil and the effects of weathering.- 11.6 Drift prospecting for gold.- 11.7 Source of placer gold in glaciated terrains.- 11.8 Conclusions and future trends.- References.- 12 Geophysical exploration for gold.- 12.1 Introduction.- 12.2 Geological and geophysical models.- 12.3 Exploration strategy and methods.- 12.4 Examples.- 12.5 Conclusions.- 12.6 Glossary of geophysical terms.- References.- 13 Economics of gold deposits.- 13.1 Introduction.- 13.2 Market setting.- 13.3 Gold-mine production.- 13.4 Economic evaluation of gold deposits.- 13.5 Characteristics of economic gold deposits.- 13.6 Conclusion.- References.

Recenzii

This is an excellent book - Geological Magazine; It will be particularly useful to final year undergraduate students and researchers needing a good introduction to particular aspects of gold mineralization. - Mineralogical Magazine; The overall coverage of the book is uncommonly well balanced. - Economic Geology; Exploration geologists.... will welcome this summary as providing a platform for the next metallogenetic break-through. - Australian Mineral Foundation; .... very concise well-rounded information package, especially for students and all geoscientists interested in basic information on gold in general. - Mineralum Deposita; All authors are recognized experts on the topics they write about... there is no other single book that I know that covers the entire field of geology and exploration at such a generally high level of quality - Chronique de la Recherche Miniere; Those who are interested in gold metallogeny will find an abundance of information... a valuable contribution to the literature by putting together excellent reviews of the state of gold metallogeny and some of the exploration methods - Scientific Drilling; The contributors are undisputed authorities in their own particular fields. The book is written for professional geoscientists but would equally serve as a first class source book for the less experienced researcher: there are over 1300 references cited which make up almost 15% of the text - Mining Magazine; The range of topics covered is comprehensive, such that a specialist in one field can obtain significant information on other related fields.... Whatever the topic, however, the expertise of the appropriate author(s) is clearly evident. - Journal of Geochemical Exploration