A Global Perspective on Crustal Structure and Evolution based on A New Crustal Classification.

Artemieva, Irina and Shulgin, Alexey (2021) A Global Perspective on Crustal Structure and Evolution based on A New Crustal Classification. Open Access Acta Geologica Sinica - English Edition, 95 (S1). pp. 48-50. DOI 10.1111/1755-6724.14829.

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Abstract

Knowledge of the crustal structure is the key for understanding physical and chemical conditions of its formation and later modification by geodynamic processes. It has long been recognized that crustal structure is controlled by tectonic settings, and that the crustal thickness is one of the most important parameters that reflects the geodynamic origin of the crust. A long tectonic life of continental crust leads to its significant reworking by plate tectonics processes and crust-mantle interaction, which include mechanical extension, delamination, relamination, magmatic intra- and underplating, metamorphic reactions, sedimentation and erosion. As result, thickness of the entire crust and thicknesses of its internal layers may change significantly. In extreme cases some crustal layers can be entirely missing, as for example in the Variscan Western Europe where the lower crust is nearly absent.

Document Type: Article
Keywords: crustal delamination, granitization, basin subsidence, orogenic processes, continental rifting, hotspots, continental shelves, failed oceans, oceanic crust
Research affiliation: OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-GDY Marine Geodynamics
Main POF Topic: PT3: Restless Earth
Refereed: Yes
Open Access Journal?: No
Publisher: Wiley, Geological Society of China
Date Deposited: 07 Dec 2021 14:24
Last Modified: 07 Feb 2024 15:29
URI: https://oceanrep.geomar.de/id/eprint/54542

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