Formation and crust-mantle geodynamic processes of the Neoarchean K-Rich granitoid belt in the Southern Range of Eastern Hebei-Western Liaoning Provinces, North China Craton : Neoarchean K-Rich Granitoid Belt in the Northern North China Craton / Jinghao Fu.
Fu, Jinghao.
2022
QE653.3
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Title Formation and crust-mantle geodynamic processes of the Neoarchean K-Rich granitoid belt in the Southern Range of Eastern Hebei-Western Liaoning Provinces, North China Craton : Neoarchean K-Rich Granitoid Belt in the Northern North China Craton / Jinghao Fu.
Author Fu, Jinghao.
ISBN 9789811943959 (electronic bk.)
9811943958 (electronic bk.)
9789811943942
981194394X
DOI https://doi.org/10.1007/978-981-19-4395-9
Publication Details Singapore : Springer, 2022.
Language English
Description 1 online resource (351 pages)
Item Number 10.1007/978-981-19-4395-9 doi
Call Number QE653.3
Dewey Decimal Classification 551.7/12
Summary Meso- to Neoarchean is a critical transitional period for the formation and evolution of continental crust and the corresponding geodynamic mechanisms, during which the average composition of continental crust gradually shifted from Na-enriched to K-enriched. However, the ultimate source of K and its enrichment mechanism in continental crust are still enigmatic. Moreover, fierce controversies remain on the Precambrian subdivision and late Archean geodynamic models of the North China Craton (NCC). Archean basement terranes in the Eastern Hebei-Western Liaoning Provinces, northern NCC display characteristic lithological zonation similar to those developed in modern convergent plate margins, and from northwest to southeast can be subdivided into the MORB-type tholeiite belt, oceanic arc tectonic belt, and K-rich granitoid belt. This book reports systematic field geological, petrographic, structural, whole-rock geochemical, and zircon U-Pb-Hf-O isotopic data for the various late Neoarchean lithological assemblages of the K-rich granitoid belt. Their deformational characteristics and petrogenesis are discussed in detail, and integrated with their spatiotemporal relationships and metamorphic features, a late Neoarchean active continental margin setting with multi-stage trench retreats and subsequent arc-continent collision is proposed to account for the formation and evolution of the K-rich granitoid belt. It also throws light upon the ultimate source and enrichment mechanism of K in the late Archean continental crust by comparing K-rich granitoid belt with the adjacent oceanic arc tectonic belt.
Note "Doctoral Thesis accepted by Peking University, Beijing, China."
Bibliography, etc. Note Includes bibliographical references.
Access Note Access limited to authorized users.
Source of Description Online resource; title from PDF title page (SpringerLink, viewed September 1, 2022).
Series Springer theses.
Available in Other Form Formation and Crust-Mantle Geodynamic Processes of the Neoarchean K-Rich Granitoid Belt in the Southern Range of Eastern Hebei-Western Liaoning Provinces, North China Craton.
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Introduction
Analytical procedures
Geological background
The porphyritic monzodioritic-quartz monzodioritic-granodioritic-monzogranitic gneisses
The medium-grained monzogranite-syenogranites
The taxitic dioritic-tonalitic gneisses
The metavolcanic rocks
Late Neoarchean tectonic setting and geodynamic evolution of the K-rich granitoid belt
Conclusion.

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