U-Pb evidence for a polyorogenic evolution of the HP-HT units of the NW Iberian Massif

U-Pb evidence for a polyorogenic evolution of the HP-HT units of the NW Iberian Massif

A isotope dilution thermal ionisation mass spectrometry U-Pb geochronological study was carried out on the high-pressure and high-temperature units (HP-HT units) overlying the oceanic suture in the Allochthonous Complexes of the NW Iberian Variscan Belt. The rocks investigated are seven granulite- t...

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Veröffentlicht in:Contributions to mineralogy and petrology 2002-05, Vol.143 (2), p.236-253
Hauptverfasser: Fernández-Suárez, Javier, Corfu, Fernando, Arenas, Ricardo, Marcos, Alberto, Martínez Catalán, José, García, Florentino, Abati, Jacobo, Fernández, Francisco
Format: Artikel
Sprache:eng
Schlagworte:
Evolution
High temperature
Mass spectrometry
Mineralogy
Petrology
Pressure
Temperature
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Zusammenfassung:A isotope dilution thermal ionisation mass spectrometry U-Pb geochronological study was carried out on the high-pressure and high-temperature units (HP-HT units) overlying the oceanic suture in the Allochthonous Complexes of the NW Iberian Variscan Belt. The rocks investigated are seven granulite- to eclogite-facies paragneisses and one leucosome within mafic high-pressure granulites in the Ordenes and Cabo Ortegal Complexes of NW Spain.
ISSN:0010-7999
1432-0967
DOI:10.1007/s00410-001-0337-2