In the metapelites of the eastern Austroalpine domain, in the Texel Gruppe, polyphasic deformation developed under metamorphic conditions from IT-HP to LT-LP.Thermobarometric estimates inferred after microstructural analysis and minero-chemical investigations have been used to derive a retrograde P-T-relative time of deformation path. The resulting P-T boxes indicate that D1 structures developed at 0.9-1.0 GPa and 640-680°C, D2 at 0.6-0.75 GPa and 550-580°C and D3 at P<0.4GPa and T<550°C.
Percorsi P-T e tempi relativi della deformazione nella crosta Austroalpina dell'Oetztal : l'ortogneiss di Parcines e le sue rocce incassanti / M.i. Spalla ; tutor: A. Gregnanin. DIPARTIMENTO DI SCIENZE DELLA TERRA "ARDITO DESIO", 1989. 2. ciclo, Anno Accademico 1988/1989.
Percorsi P-T e tempi relativi della deformazione nella crosta Austroalpina dell'Oetztal : l'ortogneiss di Parcines e le sue rocce incassanti
M.I. Spalla
1989
Abstract
In the metapelites of the eastern Austroalpine domain, in the Texel Gruppe, polyphasic deformation developed under metamorphic conditions from IT-HP to LT-LP.Thermobarometric estimates inferred after microstructural analysis and minero-chemical investigations have been used to derive a retrograde P-T-relative time of deformation path. The resulting P-T boxes indicate that D1 structures developed at 0.9-1.0 GPa and 640-680°C, D2 at 0.6-0.75 GPa and 550-580°C and D3 at P<0.4GPa and T<550°C.
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