Program for Session 20a

Wednesday 17th August PM: Floor 4 / Poster Area

20a (Poster): Unraveling P-T-t paths: pseudosections versus classical phase petrology

4034  Interaction between Metamorphism and Deformation in Eclogite Facies Shear Zones, Lofoten, Norway
Nasipuri P, Stunitz H, Ravna EJK, Menegon L & Kullerud K
4035  Mineral Metastability and Effective Bulk Composition: The Effect of Grain Sizes and Modal Mineral Amounts
Verdecchia SO, Reche J, Baldo EG, Segovia-Diaz E & Martínez FJ
4036  Mineral Assemblages and Metamorphic History of Granulites in the Rychleby Mts., Bohemian Massif
Schlöglová K, Faryad SW, Dolejš D & Klápová H
4037  Calculated Stability of Osumilite, Sapphirine and Biotite in K2O-FeO-MgO-Al2O3-SiO2-H2O-TiO2-O (KFMASHTO)
Taylor-Jones K, Powell R & Holland T
4038  40Ar-39Ar Geochronology and PT Estimations on Garnet-Hornblende-Muscovite-Plagioclase Schists from the Kheis Belt, South Africa
van Schijndel V & Cornell D
4039  Multistage Growth of Garnet in UHP Metagranite in the Dabie Orogen
Xia Q-X, Zheng Y-F & Lu X-N

Thursday 18th August PM: Ground Floor / Small Theatre

20a (Oral): Unraveling P-T-t paths: pseudosections versus classical phase petrology
Session chaired by Sönke Brandt & Niels Jöns

14:45  Keynote: Unravelling P-T-t Paths: Pseudo-Sections Versus Classical Phase Petrology
O'Brien P
15:15  Classical Geothermobarometry Versus Pseudosections: Practical Experiences and Strange Encounters
Proyer A & Bruand E
15:30  Combining Phase Petrology, Reaction Balancing and Partial Pseudosections – Theory and Examples
Kriegsman L & Álvarez-Valero A
15:45  Decompression Melting in Tectonics: Where’s the Melt?
Yakymchuk C, Korhonen F & Brown M
16:00  Constraining the P-T Conditions of Melting in Stromatic Migmatites from Ronda (S. Spain)
Tajcmanova L, Bartoli O, Cesare B & Acosta-Vigil A
16:15  Prograde P-T Path of a ~3.2 Ga Tectonometamorphic Event from Assegaai Greenstone Belt, SE Kaapvaal Craton
Saha L, Hofmann A & Xie H
16:30  Allanite Petrochronology in High-Pressure Rocks
Engi M, Regis D, Darling J, Cenki-Tok B & Rubatto D
16:45  From Compositional to P-T-Deformation-t(Relative Age)-Redox Maps at the Thin Section Scale
Vidal O, Lanari P, Dubacq B, Munoz M & Lewin E