Fluid inclusion studies, rare-earth element chemistry and age of hydrothermal fluorite mineralization in western Ireland; a link with continental rifting?

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Authors:O'Connor, P. J.; Hogelsberger, H.; Feely, M.; Rex, D. C.
Author Affiliations:Primary:
Geological Survey of Ireland, Dublin, Ireland
Other:
University of Vienna, Austria
University College, Ireland
University of Leeds, United Kingdom
Volume Title:Transactions - Institution of Mining and Metallurgy. Section B: Applied Earth Science
Source:Transactions - Institution of Mining and Metallurgy. Section B: Applied Earth Science, Vol.102, p.141-148. Publisher: Institution of Mining and Metallurgy, London, United Kingdom. ISSN: 0371-7453
Publication Date:1993
Note:In English. 20 refs.; illus. incl. 3 tables, geol. sketch map
Summary:REE systematics, fluid inclusion studies and 40Ar/39Ar dating of fluorite mineralization spatially associated with the late Caledonian Galway granite batholith and its cover of Visean limestones suggest that the hydrothermal fluids responsible for ore deposition were probably generated in the mid-Triassic in response to continental rifting of the Atlantic margin in W Ireland. The locus of ore deposition does not seem to be related to the radiothermal nature of parts of the Galway batholith, although the ultimate source of F may be. [R.E.S.]
Subjects:Ar-40/Ar-39; Argon; Fluid inclusions; Hydrothermal alteration; Inclusions; Isotope ratios; Isotopes; Metals; Metasomatism; Mineral deposits, genesis; Mineralization; Noble gases; Radioactive isotopes; Rare earths; Rift zones; Stable isotopes; Europe; Ireland; Western Europe; Fluorspar; Hydrothermal processes; Western Ireland
Abstract Numbers:94M/4169
Record ID:1994022848
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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