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Early (≥4.5 Ga) formation of terrestrial crust: Lu-Hf, δ18O, and Ti thermometry results for Hadean zircons

Date

Authors

Harrison, Timothy

Schmitt, Axel K

McCulloch, Malcolm

Lovera, Oscar

Publisher

Elsevier

Abstract

Large deviations in e{open}Hf(T) from bulk silicate Earth seen in > 4 Ga detrital zircons from Jack Hills, Western Australia, have been interpreted as reflecting a major differentiation of the silicate Earth at 4.4 to 4.5 Ga. We have expanded the charac

Keywords

Keywords: Error propagation equation; Hadean zircons; Laser ablation; Monte Carlo methods; Silicate minerals; Thermometers; Trace elements; Zircon; chondrite; continental crust; crustal structure; Hadean; hafnium; ion microprobe; lutetium; modeling; Monte Carlo ana Hadean; Lu-Hf; U-Pb; zircon

URI

http://hdl.handle.net/1885/28719

Collections

ANU Research Publications

Source

Earth and Planetary Science Letters

Type

Journal article

DOI

10.1016/j.epsl.2008.02.011

Restricted until

2037-12-31

Downloads

File

Description

01_Harrison_Early_(≥4.5_Ga)_formation_of_2008.pdf (986.29 KB)