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by Jean-Jacques Bache

Download World gold deposits: A geological classification fb2, epub

ISBN: 0444010777
Author: Jean-Jacques Bache
Language: English
Publisher: Sole distributors in the U.S. and Canada, Elsevier Science Pub. Co; Revised Edition - Updated edition (1987)
Pages: 178
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Jean-Jacques Bache (Author). Geology of Gold Deposits Perspective in 1988 (monograph series #6).

Jean-Jacques Bache (Author). Geology of Gold Deposits Perspective in 1988 (monograph series Keays Reids R. Paperback. Henry Thomas de L. aperback.

INTRODUCTION Geological classification of lode gold deposits is further complicated by the following factors . This is a particularly acute problem for deposits there are many difficulties associated with classification of ore deposits in Precambrian terranes.

INTRODUCTION Geological classification of lode gold deposits is further complicated by the following factors: Classification of gold deposits is much more than a textbook exercise: it 1. A significant number of large deposits are the results of superposi- provides an essential framework for resource assessment studies, for tion of two or more systems, or of superposition of distinct com- designing exploration strategies.

Lode gold deposits are one of the most characteristic features of Archaean greenstone belts within terranes, with major deposits . 1987) World Gold Deposits: A Geological Classification. North Oxford Academic, LondonGoogle Scholar.

Lode gold deposits are one of the most characteristic features of Archaean greenstone belts within terranes, with major deposits situated in most major cratonic areas (. 1988) Geological setting of gold mineralization in the Norseman-Wiluna Belt, Eastern Goldfields Province, Western Australia.

PDF The so-called & gold deposits are associated with regionally metamorphosed terranes of all . plate tectonic theories. However, books on tectonics. and ore deposits barely mentioned these gold sys-.

PDF The so-called & gold deposits are associated with regionally metamorphosed terranes of all ages.

by Jean-Jacques Bache. Select Format: Hardcover. ISBN13:9780444010773.

Carlin–type gold deposits are sediment-hosted disseminated gold deposits. These deposits are characterized by invisible (typically microscopic and/or dissolved) gold in pyrite and arsenopyrite. This dissolved kind of gold is called "Invisible Gold", as it can only be found through chemical analysis. The deposit is named after the Carlin mine, the first large deposit of this type discovered in the Carlin Trend, Nevada.

One of the most complete and interesting publications based on uniformitarian theory is a recent monograph of Bache.

World Gold Deposits: A Geological Classification, North Oxford Academic Publishers Ltd, London, p. 117. 12. Reed, J. 1996. One of the most complete and interesting publications based on uniformitarian theory is a recent monograph of Bache. of these old placers only those of Archaean to Proterozoic age are of economic interest and are worked now'. Bache's data show detrital deposits represent 6. per cent of the world's known gold-bearing deposits.

Dewey Decimal Classification Number: 55. /1 19. Personal Name: Bache, Jean-Jacques. Uniform Title: Gisements d'or dans le monde. Publication, Distribution, et. New York. Sole distributors in the . and Canada, Elsevier Science Pub.

Origin of World-Class Gold Deposits, Part I: Carlin-type Gold Deposits in. .Carlin-type deposits currently dominate gold production in the United States and have been largely responsible for the position of th.

Origin of World-Class Gold Deposits, Part I: Carlin-type Gold Deposits in Nevada. John L. Muntean (SEG 1989 F), Jean Cline (SEG 1983 F), Marcus K. Johnston (SEG 1997), Michael W. Ressel (SEG 1992), Eric Seedorff (SEG 1978 F), and Mark D. Barton (SEG 1979 F). FOREWORD. The rst paper, by Jean Cline, provides an introduction to the characteristics of Carlin-type deposits and a framework for discussions of their origin. Carlin-type deposits currently dominate gold production in the United States and have been largely responsible for the position of the United States as a leading gold producer (Nevada Bureau of Mines and Geology, 2004; Fig.

Mother-lode type gold deposit different from an Archaean gold-only type or from a mesothermal . Gold-bearing veins exhibit variable enrichments in As, B, Bi, Hg, Sb, Te and W; Cu, Pb and Zn concentrations are generally only slightly elevated above regional backgrounds.

Gold-bearing veins exhibit variable enrichments in As, B, Bi, Hg, Sb, Te and W; Cu, Pb and Zn concentrations are generally only slightly elevated above regional backgrounds.

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