List of Figures

1. Tectonic sketch-map of the Variscan belt in Sardinia
2. Geological cross sections
3. Stereographic projections
1.0. Location of geological stops
1.1. Overview of Argentiera mine
1.2. Example of decametric F1 fold
1.3. Interference pattern between F1 and F2 folds (Stop 1.1).
1.4. Mesoscopic aspect of S2 crenulation cleavage (Stop 1.1)
1.5. Mesoscopic tight F1 fold in metapelites
1.6. Top-to-the South brittle-ductile shear zones (Stop 1.2).
1.7. Schematic drawing of the evolution of F1 folds
1.8. Fluid inclusions trapped along secondary trails
1.9. Syn-D2 partly rotated albite porphyroblast
1.10. Rotated garnet (grt) porphyroblasts
1.11. L2 stretching lineation developed in quartz rods
1.12. Tight F2 fold in quartzites and paragneisses near Punta Falcone
2.1. Mt. Catellaccio
2.2. The HT-LP metamorphic overprinting (Stop 2.2)
2.3. Open to closed D2 folds
2.4. Stretti zone (Stop 2.2).
2.5. Example of andalusite and fibrolite bearing mylonitic micaschist
2.6. The Migmatitic Complex (Stop 2.4).
2.7. The Punta Scorno orthogneiss (Stop 2.4).
2.8. Banded amphibolite
2.9. Panoramic view
2.10. F2 fold in amphibolite
2.11. Sigmoidal structure in the leucosome
3.1. Geological map of the basement
3.2. The top-to-the SE shear zones
3.3. The Ky-bearing mylonitic micaschist (Stop 3.2).
3.4. Photomicrograph of phyllonites
3.5. The Ky±St±Grt bearing mylonitic micaschists near Giagazzu village (Stop 3.4).
3.6. F2 fold in the phyllonitic belt near Giagazzu village (Stop 3.5)
3.7. Brittle top-to-the SE shear zones in the Giagazzu-Tungoni
3.8. Top-to-the NNW shear zones in the Giagazzu-Tungoni
3.9. The retrogressed eclogitic body near Giagazzu village (Stop 3.6)
3.10. Top-to-the NW mylonitic belt in the Badesi Complex (Stop 3.8).
4.1. Stops of the Itinerary 4 in the Baronie region
4.2. Stops of the itinerary in the Baronie region
4.3. N-S geological cross section in the Posada Valley
4.4. The metabasites with eclogite (Stop 4.1).
4.5. Sillimanite and muscovite
4.6. Late folds in quartzitic layers
4.7. Shear bands in granitic augen gneiss
4.8. Porphyroblastic paragneiss and micaschists
4.9. Albite porhyroblast
4.10. Albite porhyroblast
4.11. P-T-t paths
4.12. Synoptic table
4.13. C-S fabric
4.14. Photomicrograph of biotite fish
4.15. Cm-size staurolite porphyroclasts
4.16. Shear band cleavage in mylonites
4.17. C-S fabric in mylonite from gneisses
4.18. Thin section from micaschist
4.19. Photomicrograh showing stretched staurolite
4.20. Photomicrograh showing stretched staurolite porphyroblast
4.21. Syn-D2 rotated garnet (Grt) and relic staurolite
4.22. Overview from south to north of the Posada Valley from Stop 4.5
5.1. Geological map of the Migmatitic Complex
5.2. The Migmatitic Complex in SW Gallura region (Stop 5.1)
5.3. Geological map of the Anglona region
5.4. The HT-LP metamorphic overprinting in the Anglona region (Stop 5.5)
5.5. The migmatites in Anglona region (Stop 5.8)
  Index