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The Great Glen Fault; a major vertical lithospheric boundary

J. C. Canning, P. J. Henney, M. A. Morrison, P. W. C. Van Calsteren, J. W. Gaskarth and A. Swarbrick
The Great Glen Fault; a major vertical lithospheric boundary
Journal of the Geological Society of London (May 1998) 155, Part 3: 425-428

Abstract

Two lamprophyre suites are used to constrain sub-continental lithospheric mantle domains in late Caledonian N Britain (at approximately 400 m.y.); a Northern Highlands and a Southern domain are resolved. The first has low epsilon (sub Nd) (-6.4 to -12.8) and the latter has higher (+3.9 to -3.4). The boundary between these two domains is coincident with the surface expression of the Great Glen fault, with the two domains tightly bracketting the fault. The lamprophyre magmas were generated at depths of > or = 100 km. At the end of the Caledonian orogeny the Great Glen fault was a major vertical discontinuity transecting the sub-continental lithospheric mantle.


ISSN: 0016-7649
EISSN: 2041-479X
Coden: JGSLAS
Serial Title: Journal of the Geological Society of London
Serial Volume: 155, Part 3
Title: The Great Glen Fault; a major vertical lithospheric boundary
Affiliation: University of Birmingham, School of Earth Sciences, Birmingham, United Kingdom
Pages: 425-428
Published: 199805
Text Language: English
Publisher: Geological Society of London, London, United Kingdom
References: 22
Accession Number: 1998-038400
Categories: Structural geologyIgneous and metamorphic petrology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table
Secondary Affiliation: British Geological Survey, GBR, United KingdomOpen University, GBR, United Kingdom
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
Update Code: 199815
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