Coesite in clinopyroxene in the Caledonides and its implications for geodynamics

David C. Smith

Research output: Contribution to journalArticlepeer-review

621 Scopus citations

Abstract

Coesite is reported for the first time from the Caledonide orogen. It occurs as inclusions in clinopyroxene in the dolomite-eclogite at Grytting, Norway, and provides valuable new evidence to support the hypothesis of extremely high pressure (≥30 kbar) in certain Norwegian eclogites. This finding has implications for the geodynamics and kinetics of the concepts of microscale intracrystalline tectonic overpressure and of macroscale local or regional tectonic overpressure, and for the hypotheses of subduction and obduction involving a more than 100km vertical component of transport.

Original languageEnglish
Pages (from-to)641-644
Number of pages4
JournalNature
Volume310
Issue number5979
DOIs
StatePublished - 1984
Externally publishedYes

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