Archean Lode Gold Deposits in Ontario PDF Download
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Author: A. C. Colvine
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 164
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Book Description
Author: A. C. Colvine
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 164
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Book Description
Author: Susan E. Ho
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 432
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Book Description
Author: Geological Survey of Western Australia
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 38
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Book Description
Author:
Publisher:
ISBN: 9781629493121
Category : Geology, Economic
Languages : en
Pages : 845
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Book Description
Author: G. Neil Phillips
Publisher:
ISBN: 9781876118136
Category : Geology
Languages : en
Pages : 400
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Book Description
Author: Reid R. Keays
Publisher:
ISBN:
Category : Gold mines and mining
Languages : en
Pages : 682
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Book Description
Includes detailed and technical discussions of deposits in Canada, Zimbabwe, South Africa, Australia, Chile, United States, Japan, and Czechoslovakia.
Author: R. P. Foster
Publisher: Springer Science & Business Media
ISBN: 1461304970
Category : Science
Languages : en
Pages : 447
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Book Description
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 ofall major aspects ofgold 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.
Author: Neil Phillips
Publisher: Springer Nature
ISBN: 981163081X
Category : Science
Languages : en
Pages : 294
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Book Description
This book addresses the origin of gold deposits to answer questions of science and curiosity. These answers contribute in turn to the improved exploration and mining of gold. Initially there is a summary of the methods used to address the genesis of gold deposits including some of the essential science and concepts. Five basic observations follow that apply to many gold deposits and need to be considered in any genetic ideas. Magmatic processes enriching gold are discussed followed by the role of aqueous fluids during gold deposit formation at elevated temperatures and pressures. Modifying effects after deposit formation include high-grade metamorphism, retrogression, weathering, and erosion. The main types of gold deposits are then explained within the spectrum of viable genetic ideas, with informal names for these examples that include gold-only, gold-plus, Carlin, slate-belt, epithermal, porphyry, iron oxide copper gold, and Archean greenstone. Case histories are included in which the role of gold geology contributed directly to discoveries—one example is at the province-scale and another at the goldfield-scale. Unlike other books on the subject, this one addresses virtually all gold deposit types rather than focusing on one type in isolation. The primary readership includes industry geologists, senior undergraduates, postgraduates, and those with some knowledge of science and an interest in the gold industry.
Author: D. I. Groves
Publisher:
ISBN:
Category : Boddington Gold Mine
Languages : en
Pages : 164
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Book Description
Author: Ulrich Kretschmar
Publisher: Elsevier
ISBN: 0128032235
Category : Science
Languages : en
Pages : 356
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Book Description
The Metallogeny of Lode Gold Deposits: A Syngenetic Perspective is a synthesis of lode gold vein forming processes, addressing the commonality in similar worldwide deposits. The book's empirical model incorporates widely known and accepted principles of ore deposition and shows how it applies in the volcanic-sedimentary greenstone belt environment. Several chapters detail outcrop maps and photos of field occurrences and textures. The interpretations flow directly from the authors' field work, and are coupled with analyses of underlying physical processes. Utilizing detailed geological mapping, field work, and chemical analyses as the basis of a syngenetic formation mode, the text arms readers with the tools necessary to accurately analyze and interpret new data on the subject. This includes information on decoding the significance of asymmetry in vein formation, as well as the role of lamprophyres in gold camps, how Archean geology requires integration into a lode vein formation model, and how to develop an understanding of the worldwide applicability of gold cycles to lode vein formation and exploration and how it can be applied to deposits of all ages. - Presents the first book to galvanize lode gold research into a single authoritative reference - Simplifies the complexity of lode gold's underlying processes and presents valid concepts surrounding the lode gold forming environment - Features color figures, illustrations, and photos that enrich the content's focus and aid in the retention of key concepts
