World gold deposits : a geological classification / J.J. Bache ; translated by J. Wanklyn ; consultant, Hubert Pelissonier

Author:: Bache, Jean-Jacques
Uniform Title:: Gisements d'or dans le monde. English
Published:: London : North Oxford Academic, 1987.
Edition:: Rev. and updated.
Physical Description:: xii, 179 pages : illustrations, maps ; 24 cm

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Series:

Studies in geology (London)

Contents:

GENERAL BACKGROUND: Historical surey -- Economic aspects -- The geochemistry and mineralogy of the metals associated with gold -- SUGGESTED CLASSIFICATION OF GOLD DEPOSITS: Brief summary of earlier classifications -- Classification suggested by Bache -- VOLCANO-SEDIMENTARY DESPOSITS: Type 1: polymetallic sulphide ore deposits -- Type 2: deposits of the iron auriferous formation type -- Type 3: auriferous deposits considered to be discordant in the volcano-sedimentary context -- THE PLUTONO-VOLCANIC GROUP OF DEPOSITS: Type 4: copper porphyry deposits with molybdemun and gold as byproducts -- Type 5: replacement ore bodies in carbonate beds more or less remote from an intrusion -- Type 6: lodes centred on an intrusion -- DETRITAL DEPOSITS: Type 7: old placers -- Type 8: recent tertiary or quarternary placers -- PROPOSED QUANTITATIVE CLASSIFICATION - CONCLUSIONS: Metal tonnage -- Gold content.

Subject(s):

Gold ores

ISBN:

0946526082

Note:

Includes index.
Translation of: Les gisements d'or dans le monde.

Bibliography Note:

Bibliography: pages 160-174.

View MARC record | catkey: 216043