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

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

Bibliographic Details
Published in:Precambrian Research
Main Authors: Horie, Kenji, Nutman, Allen, Friend, Clark, Hidaka, H
Format: Article in Journal/Newspaper
Language:unknown
Published: Elsevier
Subjects:
Keywords: Archean
fjord
geological mapping
orthogneiss
petrography
protolith
recrystallization
SHRIMP dating
solubility
tectonic setting
tonalite
uranium-lead dating
Arctic
Greenland Eoarchaean
Gneiss complexes
Greenland
Itsaq Gneiss Complex
U-Pb zircon dating
Zircon petrography
Online Access:http://hdl.handle.net/1885/62785
https://doi.org/10.1016/j.precamres.2010.06.016
https://openresearch-repository.anu.edu.au/bitstream/1885/62785/5/PreCamb183_25.pdf.jpg
https://openresearch-repository.anu.edu.au/bitstream/1885/62785/7/01_Horie_The_complex_age_of_orthogneiss_2010.pdf.jpg
Description
Summary: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

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