Coesite in clinopyroxene in the Caledonides and its implications for geodynamics

David C. Smith

doi:10.1038/310641a0

Coesite in clinopyroxene in the Caledonides and its implications for geodynamics

David C. Smith

Research output: Contribution to journal › Article › peer-review

645 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 language	English
Pages (from-to)	641-644
Number of pages	4
Journal	Nature
Volume	310
Issue number	5979
DOIs	https://doi.org/10.1038/310641a0
State	Published - 1984
Externally published	Yes

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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.",

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AB - 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.

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Coesite in clinopyroxene in the Caledonides and its implications for geodynamics

Abstract

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