Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/43084
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Type: Journal article
Title: Terrane analysis along a Neoproterozoic active margin of Gondwana: insights from U-Pb zircon geochronology
Author: Strachan, R.
Collins, A.
Buchan, C.
Nance, R.
Murphy, J.
D'Lemos, R.
Citation: Journal of the Geological Society, 2007; 164(1):57-60
Publisher: Geological Soc Publ House
Issue Date: 2007
ISSN: 0016-7649
2041-479X
Statement of
Responsibility: 
R.A. Strachan, A.S. Collins, C. Buchan, R.D. Nance, J.B. Murphy and R.S. D'Lemos
Abstract: The tectonic affinities of terranes in accretionary orogens can be evaluated using geochronological techniques. U–Pb zircon data obtained from paragneisses of the Coedana Complex (Anglesey) and the Malverns Complex, southern Britain, indicate that they were deposited during the mid- to late Neoproterozoic and have a comparable Amazonian provenance. Metamorphism of the Coedana gneisses occurred at 666 ± 7 Ma, similar to the age of metamorphism in the Malverns Complex. Anglesey therefore probably evolved in proximity to the Avalonian basement of mainland southern Britain during the mid- to late Neoproterozoic and is not a ‘suspect terrane’ relative to the remainder of Avalonia.
Rights: Copyright © 2007 Geological Society of London
RMID: 0020070203
DOI: 10.1144/0016-76492006-014
Appears in Collections:Earth and Environmental Sciences publications

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