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Rare earth element and Sr-Nd isotope geochemistry of primary apatite crystals in metabentonites from Dob's Linn, southern Scotland

Richard A. Batchelor and Jane Evans
Rare earth element and Sr-Nd isotope geochemistry of primary apatite crystals in metabentonites from Dob's Linn, southern Scotland
Scottish Journal of Geology (2004) 40, Part 1: 43-48

Abstract

New Sr and Nd isotope and rare earth element data obtained from primary apatite microphenocysts indicate that the Dob's Linn metabentonites originated from a mildly depleted mantle source, probably generated in a continental margin or back-arc basin environment. There is a small but notable reduction in crustal contamination of the source magmas through two graptolite zones (convolutus to sedwickii) indicated by a shift to higher epsilon (sub Nd) values. This shift is consistent with a magma chamber being periodically refilled with mantle-derived melts.


ISSN: 0036-9276
EISSN: 2041-4951
Coden: SJGEAX
Serial Title: Scottish Journal of Geology
Serial Volume: 40, Part 1
Title: Rare earth element and Sr-Nd isotope geochemistry of primary apatite crystals in metabentonites from Dob's Linn, southern Scotland
Affiliation: University of Saint Andrews, School of Geography and Geosciences, Saint Andrews, United Kingdom
Pages: 43-48
Published: 2004
Text Language: English
Publisher: Scottish Academic Press, Edinburgh, United Kingdom
References: 17
Accession Number: 2006-083230
Categories: Igneous and metamorphic petrologyIsotope geochemistry
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables
N55°19'00" - N55°19'00", W03°27'00" - W03°27'00"
Secondary Affiliation: Natural Environment Research Council, GBR, United Kingdom
Country of Publication: United Kingdom
Secondary Affiliation: GeoRef, Copyright 2018, American Geosciences Institute. Reference includes data from The Geological Society, London, London, United Kingdom
Update Code: 200623
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