Major southward thrusting of the Dalradian rocks of Connemara, western Ireland

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Authors:Leake, Bernard Elgey; Tanner, P. W. Geoff; Singh, D.; Halliday, A. N.
Author Affiliations:Primary:
Univ. Glasgow, Dep. Geol., Glasgow G12 8QQ, United Kingdom
Volume Title:Nature (London)
Source:Nature (London), 305(5931), p.210-213. Publisher: Macmillan Journals, London, United Kingdom. ISSN: 0028-0836
Publication Date:1983
Note:In English. 28 refs.; illus.
Summary:The Connemara schists are of Dalradian (Late Precambrian-Cambrian) age and occupy an anomalous geographical position S-SE of the strike continuation of the Dalradian rocks of Scotland and Ireland, and south of the inferred position of the Highland Boundary fault. They are unusual in having reached a higher metamorphic grade and having had a different metamorphic history from most other parts of the Dalradian. An allochthonous thrust-sheet model is proposed for the Connemara Dalradian, which offers an explanation for these anomalies and highlights hitherto unsuspected similarities between the tectonic histories of the SE margins of the metamorphic Caledonides in the British Isles and Scandinavia. [T.R.]
Subjects:Absolute age; Allochthons; Cambrian; Dalradian; Dates; Displacements; Faults; Geochronology; Metamorphic rocks; Overthrust faults; Paleozoic; Petrology; Precambrian; Rb/Sr; Schists; Structural geology; Connemara; Europe; Galway Ireland; Ireland; Western Europe; Western Ireland
Abstract Numbers:84M/3526
Record ID:1986043268
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique
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