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The complex age of orthogneiss protoliths exemplified by the Eoarchaean Itsaq Gneiss Complex (Greenland): SHRIMP and old rocks

Date

Authors

Horie, Kenji

Nutman, Allen

Friend, Clark

Hidaka, H

Publisher

Elsevier

Abstract

Field studies integrated with cathodoluminescence petrography and SHRIMP U-Pb dating of zircons from >150 orthogneisses and metatonalites from the Eoarchaean Itsaq Gneiss Complex (southern West Greenland) shows that only a minority contain ≥3840. Ma zir

Keywords

Keywords: Archean; fjord; geological mapping; orthogneiss; petrography; protolith; recrystallization; SHRIMP dating; solubility; tectonic setting; tonalite; uranium-lead dating; Arctic; Greenland Eoarchaean; Geological mapping; Gneiss complexes; Greenland; Itsaq Gneiss Complex; U-Pb zircon dating; Zircon petrography

URI

http://hdl.handle.net/1885/62785

Collections

ANU Research Publications

Source

Precambrian Research

Type

Journal article

DOI

10.1016/j.precamres.2010.06.016

Restricted until

2037-12-31

Downloads

File

Description

01_Horie_The_complex_age_of_orthogneiss_2010.pdf (8.1 MB)

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