Archaean Geochemistry

Archaean Geochemistry
Title Archaean Geochemistry PDF eBook
Author
Publisher Elsevier
Pages 415
Release 2011-09-22
Genre Science
ISBN 0080869009

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Archaean Geochemistry

Archaean Geochemistry

Archaean Geochemistry
Title Archaean Geochemistry PDF eBook
Author A. Kröner
Publisher Springer Science & Business Media
Pages 445
Release 2012-12-06
Genre Science
ISBN 3642700012

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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.

The Archaean Geology of the Kaapvaal Craton, Southern Africa

The Archaean Geology of the Kaapvaal Craton, Southern Africa
Title The Archaean Geology of the Kaapvaal Craton, Southern Africa PDF eBook
Author Alfred Kröner
Publisher Springer
Pages 312
Release 2019-02-20
Genre Science
ISBN 3319786520

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This book provides a comprehensive overview of the evolution of one of the oldest and best-exposed Archaean cratons on this planet. There is currently a renewed interest in the early Earth, and the Kaapvaal craton has long served as a model for early crustal evolution. This unique multidisciplinary resource features information on geology, tectonics, geochemistry, and geochronology. It offers a wealth of new data on various aspects of the craton as well as contributions on the various crustal units by international specialists.

The Archaean: Geological and Geochemical Windows into the Early Earth

The Archaean: Geological and Geochemical Windows into the Early Earth
Title The Archaean: Geological and Geochemical Windows into the Early Earth PDF eBook
Author Andrew Y. Glikson
Publisher Springer
Pages 246
Release 2014-08-05
Genre Science
ISBN 3319079085

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Archaean terrains contain a wealth of structural, stratigraphic, textural, mineralogical, geochemical and isotopic features allowing insights into the nature of the early Earth. This book is based on studies during 1964-2007 of Archaean terrains in Australia and to a lesser extent in South Africa and India, as well as on visits to Archaean terrains in Canada, the US and China, as well as petrological and geochemical studies of igneous and sedimentary rock suites from a range of terrains. The book will include a range of photographic and microscopic images, geological sketch maps and diagrams illustrating the lessons derived from field and the laboratory. Also other Archaean terrains are being reviewed. The book is intended for Earth scientists as well as broader intelligent readership.

Crust–Mantle Interactions and Granitoid Diversification

Crust–Mantle Interactions and Granitoid Diversification
Title Crust–Mantle Interactions and Granitoid Diversification PDF eBook
Author J. Halla
Publisher Geological Society of London
Pages 260
Release 2017-03-01
Genre Science
ISBN 1786202808

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This Special Publication sheds light on crust formation and tectonic processes in early Earth by focusing on Archaean granitoids and related rocks from West Greenland in the North Atlantic Craton, Karelia Province of the Fennoscandian Shield, Eastern Dharwar and Bundelkhand cratons in the Indian Shield and Bug Complex of the Ukrainian Shield. Resulting from the IGCP-SIDA 599 project `The Changing Early Earth’, this compilation of papers provides explanations on the nomenclature of Archaean granitoids and explores the petrology, element and isotope geochemistry, geochronology and metamorphism of granitoids and supracrustal rocks of variable metamorphic grade. This volume provides information on the increase and timing of crust-mantle interactions and granitoid diversification from early Archaean protoliths of island arc origin to the emergence of multi-source high-K calc-alkaline granitoid batholiths at convergent continental margins. The formation of abundant granitoid batholiths suggests a significant change in mantle dynamics and plate tectonics towards the end of the Archaean.

Geochemistry and Mineralogy of Rare Earth Elements

Geochemistry and Mineralogy of Rare Earth Elements
Title Geochemistry and Mineralogy of Rare Earth Elements PDF eBook
Author Bruce R. Lipin
Publisher Walter de Gruyter GmbH & Co KG
Pages 360
Release 2018-12-17
Genre Science
ISBN 1501509039

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Volume 21 of Reviews in Mineralogy treats a short course on the rare earth elements to about 80 participants in San Francisco, California, December 1-3, 1989, just prior to the fall meeting of the American Geophysical Union. Contents: Cosmochemistry of the Rare Earth Elements: Condensation and Evaporation Processes Radiogenic Isotope Geochemistry of Rare Earth Elements Partitioning of Rare Earth Elements between Major Silicate Minerals and Basaltic Melts An Approach to Trace Element Modeling Using a Simple Igneous System as an Example Rare Earth Elements in Upper Mantle Rocks Rare Earth Elements in Metamorphic Rocks Rare Earth Elements in Sedimentary Rocks: Influence of Provenance and Sedimentary Processes Aqueous Geochemistry of Rare Earth Elements Rare Earth Elements in Lunar Materials Compositional and Phase Relations among Rare Earth Element Minerals Economic Geology of Rare Earth Minerals Cathodoluminescence Emission Spectra of Rare Earth Element Activators in Minerals

Archaean Geology

Archaean Geology
Title Archaean Geology PDF eBook
Author J. E. Glover
Publisher
Pages 538
Release 1981
Genre Geology
ISBN

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