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Author : Richard J. Goldfarb
Publisher : Unknown
Page : 128 pages
File Size : 47,9 Mb
Release : 2010
Category : Electronic
ISBN : 1934969206
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 : 43,5 Mb
Release : 1990
Category : Geology
ISBN : UCR:31210025972629
Author : Ed DeWitt
Publisher : Unknown
Page : 36 pages
File Size : 40,9 Mb
Release : 2024-06-12
Category : Geology
ISBN : OCLC:889600137
Author : Ed DeWitt,Jerome Waegli,Thomas D. Light,David A. Brew,Roger Parkmand Ashley
Publisher : Unknown
Page : 36 pages
File Size : 52,8 Mb
Release : 1990
Category : Geology
ISBN : LCCN:89600195
Author : Paul G. Spry,Brian Marshall,Frank Marcus Vokes
Publisher : Unknown
Page : 332 pages
File Size : 46,8 Mb
Release : 2000
Category : Metamorphic rocks
ISBN : UOM:39015042929078
Author : Anonim
Publisher : Unknown
Page : 36 pages
File Size : 48,5 Mb
Release : 1989
Category : Geology
ISBN : LCCN:lc89600195
Author : R. P. Foster
Publisher : Springer Science & Business Media
Page : 447 pages
File Size : 47,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461304975
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 : Dave Craw,Doug MacKenzie
Publisher : Springer
Page : 127 pages
File Size : 41,6 Mb
Release : 2016-08-10
Category : Science
ISBN : 9783319351582
This book describes the nature and origin of the Macraes gold deposit. It also documents the key features of this spectacular deposit for a wide range of professionals in the resource geology community. This world-class gold deposit has been a spectacular geological and economic success story, as it has developed from a small historical gold mine in discontinuous quartz veins measuring only meters to a large-scale mine in deposits spreading over kilometres in extensive disseminated gold-bearing rock.
Author : Ulrich Kretschmar,Derek McBride
Publisher : Elsevier
Page : 350 pages
File Size : 43,7 Mb
Release : 2015-11-24
Category : Science
ISBN : 9780128032237
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 : M. Smelror,K. Hanghøj,H. Schiellerup
Publisher : Geological Society of London Special Publications
Page : 346 pages
File Size : 52,8 Mb
Release : 2023-06-21
Category : Science
ISBN : 9781786205735
Raw materials have been essential in the development of all human societies through history and moving into a greener, more carbon-lean future we become increasingly reliant on access to a growing number of raw materials. Minerals for new technologies improving the quality of our lives and the environment are the building blocks of the new Green Stone Age. This Special Publication presents ongoing research and mapping programmes focusing on minerals needed for the transformation to greener societies. In addition to new exploration models and shared geological information on the different prospective currently mined areas, the notion of criticality in different countries is discussed and examples of ongoing national and cross-country research and mapping programmes are presented. In addition to the resource/reserve and technical-economic aspects, the social and environmental dimensions are also a focus in some of the contributions, as holistic approaches to the exploration and exploitation of critical minerals and materials are needed to fulfil the green transition and goals for the Green Stone Age.
Author : Paul G. Spry,Lubonyr Taras Bryndzia
Publisher : VSP
Page : 266 pages
File Size : 40,9 Mb
Release : 1990-12
Category : Science
ISBN : 906764126X
The unifying theme to the papers in this volume is that they deal with economic accumulations of sulfide minerals which, together with their host rocks, have been affected to varying degrees by regional metamorphism. The principle sulfide deposit types discussed are stratabound ZnCuPbAgBa deposits in regionally metamorphosed terranes which occur in a diverse variety of host lithologies. In addition other interesting deposit types are discussed and examples are presented from various parts of the world. The topics treated in this volume are: the interaction of sulfide minerals with their host rocks during regional metamorphism; the quantitative interpretation of P-T-time histories of regional metamorphism in which both sulfide and silicate phase relations must be considered together in order to meaningfully interpret the metamorphic history; the question of how to identify progenitors of rocks modified by tectonic and metamorphic processes and the implications of these studies; developing future exploration strategies for massive sulfide deposits in meatmorphic terranes.
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 : 54,8 Mb
Release : 1987-05-31
Category : Nature
ISBN : UCAL:B5096646
Includes chapter on placer deposits and the economics of gold and gold mining.
Author : Anonim
Publisher : Unknown
Page : 858 pages
File Size : 41,5 Mb
Release : 1982
Category : Geology
ISBN : MINN:31951000695485E
Author : Geological Survey (U.S.)
Publisher : Unknown
Page : 432 pages
File Size : 42,7 Mb
Release : 1971
Category : Geology
ISBN : UCR:31210019610284
Author : Geological Survey (U.S.)
Publisher : Unknown
Page : 734 pages
File Size : 47,5 Mb
Release : 1971
Category : Electronic
ISBN : STANFORD:36105013193235