Formation Of Gold Deposits

Author : Neil Phillips
Publisher : Springer Nature
Page : 294 pages
File Size : 41,6 Mb
Release : 2022-06-16
Category : Science
ISBN : 9789811630811

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Formation of Gold Deposits by Neil Phillips Pdf

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 : Ulrich Kretschmar,Derek McBride
Publisher : Elsevier
Page : 350 pages
File Size : 43,6 Mb
Release : 2015-11-24
Category : Science
ISBN : 9780128032237

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The Metallogeny of Lode Gold Deposits by Ulrich Kretschmar,Derek McBride Pdf

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

Author : A. C. Colvine
Publisher : Unknown
Page : 164 pages
File Size : 54,7 Mb
Release : 1988
Category : Geology
ISBN : CHI:29216966

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Archean Lode Gold Deposits in Ontario by A. C. Colvine Pdf

Author : Robert William Boyle,Society of Economic Geologists (U.S.),Society of Economic Geologists Foundation (U.S.)
Publisher : New York : Van Nostrand Reinhold
Page : 704 pages
File Size : 49,5 Mb
Release : 1987-05-31
Category : Nature
ISBN : UCAL:B5096646

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Gold by Robert William Boyle,Society of Economic Geologists (U.S.),Society of Economic Geologists Foundation (U.S.) Pdf

Includes chapter on placer deposits and the economics of gold and gold mining.

Author : Boyle
Publisher : Springer Science & Business Media
Page : 687 pages
File Size : 47,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461319696

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Gold by Boyle Pdf

GOLD: History and Genesis of Deposits is the product of an effort by the Society of Economic Geologists to publish materials that will expand knowl edge concerning timely, specific topics important to the study of economic geology and to economic geologists. A volume on gold was selected for a general review-type publication because of the importance of the gold mining industry in the 1980s. The officers and council of the Society of Economic Geologists authorized the preparation of this book on gold in 1981, and Dr. Robert W. Boyle was selected as its author. Dr. Boyle has extensive experience in the study of gold deposits. He has an international reputation and a broad interest and understanding of the gold mining industry, the origin of gold deposits, and the history of gold as a metal and ore from prehistoric times to recent. Dr. Boyle uses important publications on gold deposits as source materials to document the various pathways of geological thought over time to introduce the reader to modern concepts. The book contains a wealth of information concerning gold.

Author : C. Jay Hodgson,Robert Mason,B. H. Whiting
Publisher : Unknown
Page : 424 pages
File Size : 48,7 Mb
Release : 1993
Category : Ore deposits
ISBN : STANFORD:36105016063674

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Giant Ore Deposits by C. Jay Hodgson,Robert Mason,B. H. Whiting Pdf

Author : Stephen E. Kesler,Adam C. Simon,Adam F. Simon
Publisher : Cambridge University Press
Page : 447 pages
File Size : 46,5 Mb
Release : 2015-10-26
Category : Business & Economics
ISBN : 9781107074910

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Mineral Resources, Economics and the Environment by Stephen E. Kesler,Adam C. Simon,Adam F. Simon Pdf

Written for students and professionals, this revised textbook surveys the mineral industry from geological, environmental and economic perspectives. Thoroughly updated, the text includes a new chapter on technology industry metals as well as separate chapters on mineral economics and environmental geochemistry. Carefully designed figures simplify difficult concepts and show the location of important deposits and trade patterns, emphasising the true global nature of mineral resources. Featuring boxes highlighting special interest topics, the text equips students with the skills they need to contribute to the energy and mineral questions currently facing society, including issues regarding oil pipelines, nuclear power plants, water availability and new mining locations. Technical terms are highlighted when first used, and references are included to allow students to delve more deeply into areas of interest. Multiple choice and short answer questions are provided for instructors online at www.cambridge.org/kesler to complete the teaching package.

Author : Ed DeWitt,Jerome Waegli,Thomas D. Light,Geological Survey (U.S.),David A. Brew,Roger Parkmand Ashley
Publisher : Unknown
Page : 44 pages
File Size : 42,5 Mb
Release : 1990
Category : Geology
ISBN : UCR:31210025972629

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Gold Deposits in Metamorphic Rocks by Ed DeWitt,Jerome Waegli,Thomas D. Light,Geological Survey (U.S.),David A. Brew,Roger Parkmand Ashley Pdf

Author : Simpson Davison
Publisher : Unknown
Page : 528 pages
File Size : 42,8 Mb
Release : 1861
Category : Geology
ISBN : OXFORD:590288896

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The Gold Deposits in Australia by Simpson Davison Pdf

Author : Steffen Gerd Hagemann,Philip E. Brown
Publisher : Unknown
Page : 584 pages
File Size : 55,7 Mb
Release : 2000
Category : Gold
ISBN : UOM:39015053386507

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Gold in 2000 by Steffen Gerd Hagemann,Philip E. Brown Pdf

Author : Knud Howard Poulsen,F. Robert,B. Dubé,Geological Survey of Canada
Publisher : Unknown
Page : 116 pages
File Size : 41,5 Mb
Release : 2000
Category : Geology
ISBN : UIUC:30112067124211

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Geological Classification of Canadian Gold Deposits by Knud Howard Poulsen,F. Robert,B. Dubé,Geological Survey of Canada Pdf

This bulletin proposes a geological classification of lode gold deposits based largely on the nature of the ore and on the geological settings of the deposits. Sixteen common types of bedrock gold deposits are distinguished and their main geological attributes are summarized. These do not correspond to an equal number of genetic types; many of these deposit types represent different components of larger hydrothermal systems and are genetically related. Most of the deposit types identified are represented by at least one large example (containing over 100 tonnes of gold). Descriptions are provided of Canadian gold deposits, including Archean & Proterozoic deposits in the Canadian Shield, Late Proterozoic to Palaeozoic deposits in the Appalachian Orogen, and Mesozoic to Cenozoic deposits in the Cordilleran Orogen. The final section discusses the application of gold deposit models.

Author : T. Torvela,R.J. Chapman,J. Lambert-Smith
Publisher : Geological Society of London Special Publications
Page : 434 pages
File Size : 42,6 Mb
Release : 2022-12-06
Category : Science
ISBN : 9781786205490

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Recent Advances in Understanding Gold Deposits by T. Torvela,R.J. Chapman,J. Lambert-Smith Pdf

Gold occurs in many settings, but the dynamic nature of Earth’s crust means overlapping and overprinting deposit styles are common. Characterization of mineralization from an early stage becomes important, particularly where the mineralization is complex, in order to maximize exploration and project development success and mining productivity. Various techniques are used at different stages of a project to characterize gold deposits. This Special Publication offers a cross-section of some specific techniques used to investigate a variety of gold deposit types. The papers highlight both the breadth of the available techniques and their utility in deposit characterization, but also the many significant remaining questions and problems related to the exploration and research of gold deposits. Several papers include suggestions of avenues for fruitful further research, including a paper discussing a new approach to classifying orogenic gold deposits, and a paper describing archaeological applications of natural gold analyses.

Author : Anonim
Publisher : Unknown
Page : 845 pages
File Size : 50,7 Mb
Release : 2020
Category : Geology, Economic
ISBN : 1629493120

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Geology of the World's Major Gold Deposits and Provinces by Anonim Pdf

Author : Gregory Levitan
Publisher : Xlibris Corporation
Page : 354 pages
File Size : 44,6 Mb
Release : 2008-09-29
Category : Science
ISBN : 9781462836024

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Gold Deposits Of The CIS by Gregory Levitan Pdf

“Perestroika” in the former Soviet Union at the end of 1980s and subsequent breakdown of the country with the Common Wealth of Independent States (CIS) formation has opened a vast new region for the western mining companies for exploration and development. The possibility of finding unexplored gold deposits was one of the major incentives that attracted many small and big mining companies to CIS because this region of Eurasia is famous for containing the world’s largest cumulative gold reserve. However, because of the Soviet secrecy laws regarding all gold-related information, very little has been known about already explored gold deposits and their potential. “Gold Deposits of the CIS” represents the first comprehensive study in English of the gold and gold-silver deposits and their resources of the former Soviet Union. The book includes: (1) a history of gold exploration and mining in this region from ancient times, (2) the contemporary classification of the deposits, (3) a detailed description of more than 50 major and most representative gold and gold-silver deposits – all including their location, geological setting, structure, alteration style, mineralogy and resources and reserves and (4) the reserve estimation of all former Soviet gold-producing countries and their potential for possible new discoveries. Several explored and developed into production deposits, such as Kupol, Sarylakh, Sentachan, Natal'evskoye, Kuro-Tegerek, Zod, and some others, are described in English for the first time. The book gives a significant body of new information for exploration and mining companies, scientists, faculties and students of mining schools, as well as policy makers concerned with exploration and development of gold deposits in the world. Also, it provides important material for comparative studies between the gold deposits of the former Soviet Union and the West.

Author : Franco Pirajno
Publisher : Springer Science & Business Media
Page : 1250 pages
File Size : 49,8 Mb
Release : 2008-10-14
Category : Science
ISBN : 9781402086137

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Hydrothermal Processes and Mineral Systems by Franco Pirajno Pdf

Hydrothermal processes on Earth have played an important role in the evolution of our planet. These processes link the lithosphere, hydrosphere and biosphere in continuously evolving dynamic systems. Terrestrial hydrothermal processes have been active since water condensed to form the hydrosphere, most probably from about 4.4 Ga. The circulation of hot aqueous solution (hydrothermal systems) at, and below, the Earth’s surface is ultimately driven by magmatic heat. This book presents an in-depth review of hydrothermal proceses and systems that form beneath the oceans and in intracontinental rifts, continental margins and magmatic arcs. The interaction of hydrothermal fluids with rockwalls, the hydrophere and the biophere, together with changes in their composition through time and space, contribute to the formation of a wide range of mineral deposit types and associated wallrock alteration. On Earth, sites of hydrothermal activity support varied ecosystems based on a range of chemotrophic microorganisms both at surface and in the subsurface. This book also provides an overview of hydrothermal systems associated with meteorite impacts and explores the possibility that hydrothermal processes operate on other terrestrial planets, such as Mars, or satellites of the outer planets such as Titan and Europa. Possible analogues of extraterrestrial putative hydrothermal processes pose the intriguing question of whether primitive life, as we know it, may exist or existed in these planetary bodies. Audience: This volume will be of interest to scientists and researchers in geosciences and life sciences departments, as well as to professionals and scientists involved in mining and mineral exploration.