Unusual exsolution phenomena in omphacite and partial replacement of phengite by phlogopite + kyanite in an eclogite from the Erzgebirge

Unusual exsolution phenomena in omphacite and partial replacement of phengite by phlogopite + kyanite in an eclogite from the Erzgebirge

In the Erzgebirge Crystalline Complex, eclogites occur in three different high pressure (HP) units (1, 2 and 3) recording contrasting pressure (P)-temperature (T) conditions. Eclogites from HP-unit 1 experienced peak metamorphic conditions in the coesite stability field at about 33 kbar/850 degreesC...

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Veröffentlicht in:Contributions to mineralogy and petrology 2000-10, Vol.139 (6), p.629-642
Hauptverfasser: Schm dicke, Esther, M ller, Wolfgang Friedrich
Format: Artikel
Sprache:eng
Schlagworte:
Geology
High pressure
Mineralogy
Minerals
Petrology
Online-Zugang:Volltext
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Zusammenfassung:In the Erzgebirge Crystalline Complex, eclogites occur in three different high pressure (HP) units (1, 2 and 3) recording contrasting pressure (P)-temperature (T) conditions. Eclogites from HP-unit 1 experienced peak metamorphic conditions in the coesite stability field at about 33 kbar/850 degreesC.
ISSN:0010-7999
1432-0967
DOI:10.1007/s004100000161