An Ordovician ophiolite in County Tyrone, Ireland

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Authors:Hutton, D. H. W.; Aftalion, M.; Halliday, A. N.
Author Affiliations:Primary:
Univ. Durham, Dep. Geol. Sci., Durham, United Kingdom
Other:
Scott. Univ. React. Cent., United Kingdom
Volume Title:Nature (London)
Source:Nature (London), 315(6016), p.210-212. Publisher: Macmillan Journals, London, United Kingdom. ISSN: 0028-0836
Publication Date:1985
Note:In English. 28 refs.; illus. incl. 1 table, geol. sketch map
Summary:The discovery is reported of an ophiolitic sequence within the rocks of the Tyrone igneous complex in Northern Ireland. U/Pb dating combined with field evidence indicates that the Tyrone ophiolite was formed and then obducted onto the northern margins of the Iapetus ocean at approx 470 m.y. (Arenig). [C.N.]
Subjects:Absolute age; Dates; Geochronology; Igneous rocks; Nesosilicates; Obduction; Ophiolite; Ordovician; Orthosilicates; Paleozoic; Plate tectonics; Plutonic rocks; Silicates; U/Pb; Ultramafics; Zircon; Zircon group; Europe; Northern Ireland; Tyrone Northern Ireland; United Kingdom; Western Europe
Coordinates:N542000 N550000 W0062000 W0074500
Abstract Numbers:87M/3397
Record ID:1985059181
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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