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Episodic layering of the early mantle by the 'basalt barrier' mechanism

Date

Authors

Davies, Geoffrey

Publisher

Elsevier

Abstract

Subducted oceanic crust is buoyant between depths of 660 km and about 750 km, and this causes early episodes of layering and breakdown in numerical models of the dynamical evolution of the mantle from 4.5 Ga ago until the present. During layered period

Keywords

Keywords: Consistent; Crustal thicknesses; Dynamical evolutions; Internal temperatures; Layering; Low viscosities; Lower mantles; Magmatism; mantle dynamics; mantle evolution; mantle geochemistry; mantle layering; Mantle temperatures; Mean residence times; Melting mantle dynamics; mantle evolution; mantle geochemistry; mantle layering

URI

http://hdl.handle.net/1885/22544

Collections

ANU Research Publications

Source

Earth and Planetary Science Letters

Type

Journal article

DOI

10.1016/j.epsl.2008.08.036

Restricted until

2037-12-31

Downloads

File

Description

01_Davies_Episodic_layering_of_the_early_2008.pdf (2.84 MB)

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