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See detailGeochemistry of Upper Cretaceous high-K calc-alkaline post-collisional intrusions in the Banat Province (western south Carpathians, Romania)
Dupont, Alain; Vander Auwera, Jacqueline ULg; Pin, Christian et al

in Journal of Conference Abstracts (2001), 6

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See detailExperimental determination of phase equilibria of the Lyngdal granodiorite (southern Norway)
Bogaerts, Michel; Scaillet, Bruno; Vander Auwera, Jacqueline ULg

in Journal of Conference Abstracts (2001), 6

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See detailGeochemistry of granitoids from the south Carpathians: A review
Berza, Tudor; Andar, Petre; Tatu, Mihai et al

in Anuarul Institutului Geologic al României (2000), 71

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See detailThe effect of pressure on DSr (plag/melt) and DCr (opx/melt): implications for anorthosite petrogenesis
Vander Auwera, Jacqueline ULg; Longhi, John; Duchesne, Jean-Clair ULg

in Earth & Planetary Science Letters (2000), 178

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See detailSome phase equilibrium constraints on the origin of Proterozoic Massif anorthosites and related rocks
Longhi, John; Vander Auwera, Jacqueline ULg; Fram, Miranda et al

in Journal of Conference Abstracts (1999), 41

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See detailThe crustal tongue melting model and the origin of massive anorthosites
Duchesne, Jean-Clair ULg; Liégeois, Jean-Paul ULg; Vander Auwera, Jacqueline ULg et al

in Terra Nova (1999), 11

Recent detailed field studies in several anorthosite complexes have shown that anorthosites are frequently linked with weakness zones in the crust which favour their emplacement at mid-crust levels ... [more ▼]

Recent detailed field studies in several anorthosite complexes have shown that anorthosites are frequently linked with weakness zones in the crust which favour their emplacement at mid-crust levels. Recent experimental data have also shown that the parent magma compositions of various anorthosite massifs lie on thermal highs in the relevant phase diagrams, indicating that these magmas cannot be derived by fractionation of peridotitic mantle melts but rather are produced by melting of gabbronoritic sources. In the Sveconorwegian province terrane boundaries have been traced in deep seismic profiles to Moho offsets or to tongues of lower crustal material underthrust to depths of 40-50 km. We therefore suggest that the parent magmas of anorthosite massifs are produced by melting of gabbronoritic rocks from the lower crust that had been thrust into the mantle by collision of terranes. [less ▲]

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See detailCharnockites: the lower crust connection
Duchesne, Jean Clair; Vander Auwera, Jacqueline ULg; Bolle, Olivier ULg

in Documents du BRGM (1999), 290

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See detailSome phase equilibrium constraints on the origin of Proterozoic (massif) anorthosites and related rocks
Longhi, John ULg; Vander Auwera, Jacqueline ULg; Fram, Miranda S. et al

in Journal of Petrology (1999), 40

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See detailPyrométamorphisme induit par la gézéification souterraine de niveaux charbonneux du Westphalien dans le Bassin de Mons (Belgique)
Nzali, Timothée; Duchesne, Jean-Clair ULg; Jacquemin, Christiane et al

in Geologica Belgica (1999), 2(3-4), 221-234

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See detailPotassic and ultrapotassic dikes around the plutons of Biella and Traversella
Bogaerts, Michel; Vander Auwera, Jacqueline ULg

in Documents du BRGM (1999), 290

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See detailPan-african acidic magmatism in the south Carpathians (Romania): from calc-alkaline to shoshonitic and back
Berza, Tudor; Duchesne, Jean Clair; Vander Auwera, Jacqueline ULg et al

in Documents du BRGM (1999), 290

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See detailInductively coupled plasma-mass spectrometric (ICP-MS) analysis of silicate rocks and minerals
Vander Auwera, Jacqueline ULg; Bologne, Guy; Roelandts, Iwan et al

in Geologica Belgica (1998), 1

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See detailShoshonitic liquid line of descent from diorite to granite: the Late Precambrian post-collisional Tismana pluton (South Carpathians, Romania)
Duchesne, Jean-Clair ULg; Berza, Tudor; Liégeois, Jean-Paul ULg et al

in Lithos (1998), 45

The post-collision late-kinematic Tismana pluton belongs to the shoshonitic series. It is part of a Late Precambrian basement within the Alpine Danubian nappes of the South Carpathians (Romania). This ... [more ▼]

The post-collision late-kinematic Tismana pluton belongs to the shoshonitic series. It is part of a Late Precambrian basement within the Alpine Danubian nappes of the South Carpathians (Romania). This pluton displays an exceptionally complete range of compositions from ultramafic to felsic rocks (granites). Widespread mingling/mixing relationships at all scales give rise to a variety of facies. A liquid line of descent from the diorites to the granites is reconstructed by considering the variation in major and trace elements (REE, Sr, Rb, Ba, Nb, Zr, Hf, Zn, V, Co, Cr, U, Th, Ga, Pb) from 33 selected samples as well as mineral/melt equilibrium relationships. The first step of fractional crystallization is the separation from a monzodioritic parent magma of a peridotitic cumulate similar to the ultramafic rock found in the massif. A possible contamination by lower crustal mafic component takes place at this stage. The second step marks the appearance of apatite and Fe-Ti oxide minerals as liquidus phases, and the third step, saturation of zircon. Mixing by hybridisation of magmas produced at different stages of the evolution along the liquid line of descent is also operating (endo-hybridisation). As depicted by Nd and Sr isotopes, fractional crystallization was combined to an important early contamination by a mafic lower crust in a deep-seated magma chamber and to a later and mild contamination by a felsic medium crust in an intermediate chamber. The mingling essentially occurred during the final emplacement in the high-level magma chamber. The monzodioritic parent magma, identified by major and trace element modelling, is shown by Sr and Nd isotopes to have its source in the lithospheric mantle or in a juvenile mafic lower crust derived from it. The necessarily recent enrichment in K2O and associated elements of the lithospheric mantle is likely to be related to the preceding Pan-African subduction period. The partial melting of this newly formed deep source has to be linked to a major change in the thermal state of the plate. [less ▲]

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See detailPost-collisional granitoids in the south Carpathians danubian nappes (Romania) : a multi-source origin
Berza, Tudor; Demaiffe, Daniel; Liégeois, Jean-Paul ULg et al

in Terra Abstracts (1997), 9

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See detailThe charnockitic liquid line of descent of jotunites: constraints from experimental and petrological data
Vander Auwera, Jacqueline ULg; Longhi, John; Duchesne, Jean Clair

in Terra Abstracts (1997), 9

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See detailA very high-K post-collisional subalkaline suite : the Tismana pluton ( S. Carpathians, Romania)
Duchesne, Jean Clair; Berza, Tudor; Liégeois, Jean-Paul ULg et al

in Terra Abstracts (1997), 9

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