Isotopic evolution of the Lizard complex.

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Abstract

A Sm-Nd mineral isochron from an olivine gabbro at Coverack gives an age of 375 + or - 34 m.y., representing the formation age of the Lizard igneous complex. The petrology and Sm-Nd isotope systematics of the Lizard peridotites record the local infiltration of a magma. The magmatic evolution of the Lizard complex is likened to the initial development of the Red Sea, with early trace-element-enriched volcanism followed by MORB-like activity. -R.A.H.

Original languageEnglish
Pages (from-to)3-14
Number of pages12
JournalJournal of the Geological Society
Volume141
Issue number1
DOIs
Publication statusPublished - 1 Jan 1984

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