Archaean Geochemistry: The Origin and Evolution of the Archaean Continental Crust - Couverture rigide

 
9783540137467: Archaean Geochemistry: The Origin and Evolution of the Archaean Continental Crust

Synopsis

Archaean Geochemistry 1972 - 1984 The realisation that the continental crust contains well-preserved relics which date as far back as 4/5 of the Earth's age has given a great impetus to the study of early Precambrian terrains. As late as the mid-sixties the Archaean still constituted the 'terra-in- cognita' of earth science. High metamorphic grades, poor out- crop, and not least a widely assumed obliteration of early crustal records by convective recycling and thermal reworking had com- bined to discourage research in this field. Many excellent local studies existed, notably around gold mining centres, but remained unrelated to a broader regional and theoretical understanding. This situation has changed as the consequence of two inter-related factors: (1) advances in isotopic methods and their application to Precambrian rocks, and (2) the recognition that some of the oldest terrains have retained a wealth of primary igneous and sedi- mentary textures and even geochemical characteristics.

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Autres éditions populaires du même titre

9783642700033: Archaean Geochemistry: The Origin and Evolution of the Archaean Continental Crust

Edition présentée

ISBN 10 :  3642700039 ISBN 13 :  9783642700033
Editeur : Springer-Verlag, 1984
Couverture souple