Oxygen isotope evidence for major fluid flow along the contact zone of the Rum ultrabasic intrusion

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Authors:Greenwood, R. C.; Fallick, A. E.; Donaldson, C. H.
Author Affiliations:Primary:
Nat. Hist. Mus., London, United Kingdom
Other:
Scott, Univ. Res. and React. Cent., United Kingdom
Univ. St. Andrews, United Kingdom
Volume Title:Geological Magazine
Source:Geological Magazine, 129(2), p.243-246. Publisher: Cambridge University Press, London, United Kingdom. ISSN: 0016-7568
Publication Date:1992
Note:In English. 21 refs.; illus. incl. 1 table, geol. sketch map
Summary:Thirty-eight new oxygen isotope analyses indicate that the contact zone of the intrusion rather than the main ring fault was the major pathway for meteoric fluids during cooling of the pluton. delta18O depletions of over 12 per mille correlate with hydrothermal alteration assemblages, indicating that the bulk of the interaction with meteoric fluids took place at low T (200-450 degrees C). [C.H.D.]
Subjects:Geochemistry; Hydrodynamics; Igneous rocks; Intrusions; Isotopes; Meteoric water; O-18/O-16; Oxygen; Plutonic rocks; Plutons; Stable isotopes; Ultramafics; Europe; Great Britain; Hebrides; Highland region Scotland; Inner Hebrides; Inverness-shire Scotland; Rhum; Scotland; United Kingdom; Western Europe
Abstract Numbers:92M/4361
Record ID:1992060591
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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