 | | Journal (article/letter/editorial) | | metapelitic rocks from the Ivrea-Verbano zone in the Southern Alps (Northern Italy) were studied with focus on...in metagabbro and felsic metapelites of Ivrea-Verbano zone (IVZ) was described in detail in Pittarello...MICROSTRUCTURES IN ZIRCON FROM PALEO-SEISMIC ZONES ultramylonite formation immediately followed the post-seismic...collected from the Ivrea-Verbano zone (IVZ) at Premosello in the Val d’Ossola (Northern Italy). Geological map...et al. 2014). In the Val d’Ossola section at Premosello peak P-T conditions are estimated at 0.6–1.0 |  | Kusiak, M.A., Kovaleva, E., Wirth, R., Klötzli, U., Dunkley, D.J., Yi, K., Lee, S. (2019) Lead oxide nanospheres in seismically deformed zircon grains. Geochimica et Cosmochimica Acta, 262. 20-30 doi:10.1016/j.gca.2019.07.026 | Journal (article/letter/editorial) | | zircon from mylonites of the Ivrea-Verbano Zone (IVZ), Northern Italy is described for the first time....histories and have different ages. 2. THE IVREA-VERBANO ZONE: GEOLOGICAL SETTING AND SAMPLES The samples...Ivrea-Verbano Zone (IVZ), derived from an outcrop by the village of Premosello in the Val d′Ossola, Southern...Southern Alps, Northern Italy (Fig. 1). The IVZ represents a section of lower continental crust that...sampling area in the northern part of the Ivrea-Verbano zone were formed under granulite-facies conditions |  | | Journal (article/letter/editorial) | | facies metabasic rocks from the Ivrea-Verbano zone in northern Italy. The area underwent lower crustal extension...pressure. Key words: granulite facies; Ivrea-Verbano zone; shear zones; symplectites. INTRODUCTION...-clinopyroxene mylonite from the Ivrea-Verbano zone (N. Italy) as the result of a post-deformation reaction...observations in higher grade parts of the Ivrea-Verbano Zone suggest that symplectites can form synkinematically...in the metabasic rocks of the Ivrea-Verbano zone in northern Italy. This represents a section of post-Hercynian |  | | Report (issue) | | Sessera Valley, Ivrea-Verbano Zone. Photograph by Silvana Sinigoi. IVREA-VERBANO ZONE WORKSHOP, 1992...1992 ABSTRACTS VARALLO, ITALY JULY 20-25,1992 Edited by James E. Quick, U.S. Geological Survey, Denver, CO...Authors' Address List 25 Contents iii IVREA-VERBANO ZONE WORKSHOP, 1992 James E. Quick and Silvano...may be studied directly. The Ivrea-Verbano Zone (IVZ), northern Italy (fig. 1), is one of the best exposed...relationship between the StronaCeneri and Ivrea-Verbano Zones remains to be unequivocally demonstrated |  | | Journal (article/letter/editorial) | | Alps (Italy) and Eastern Alps (Austria). 2.1. The Ivrea-Verbano Zone, Val d’Ossola, Northern Italy, Southern...Southern Alps The Ivrea–Verbano Zone (IVZ) in the Southern Alps is a tectonic unit that has a lens shape...sample (IV12-07A) was collected at the village Premosello in Val d’Ossola, from one such shear zone (46◦...restitic, highly dehydrated metasedimentary felsic ultramylonite with thin pseudotachylite veins [43]. This lithology... “shear zone 1”). Sample BH12-01 comprises ultramylonite in sharp contact with foliated granitic gneisses |  | Altenberger, U., Prosser, G., Grande, A., Günter, C., Langone, A. (2013) A seismogenic zone in the deep crust indicated by pseudotachylytes and ultramylonites in granulite-facies rocks of Calabria (Southern Italy) Contributions to Mineralogy and Petrology, 166 (4) 975-994 doi:10.1007/s00410-013-0904-3 | Journal (article/letter/editorial) | | in granulite-facies rocks of Calabria (Southern Italy) U. Altenberger • G. Prosser • A. Grande C. Günter...Hercynian lower crust exposed in Calabria (Southern Italy). The crustal section is tectonically superposed...fault-related pseudotachylytes and thin mylonite/ultramylonite bands occur in granulite-facies rocks. The presence...bands. migmatitic gneisses are deformed into ultramylonite domains characterized by s-c fabric. Small grain...Basilicata, Via dell’Ateneo Lucano, 10, 85100 Potenza, Italy e-mail: giacomo.prosser@unibas.it Keywords Pseudotachylyte |  | | Journal (article/letter/editorial) | | University of Padova, Via Gradenigo 6, I-35131 Padua, Italy School of Geography, Earth and Environmental Sciences...analysed the microstructure of quartz in ultramylonite and of ultramylonite clasts in pseudotachylyte to investigate...crystallographic preferred orientations (CPO) in the ultramylonite host of pseudotachylytes, and in clasts within...understand the rheological evolution of the ultramylonite and to detect signs of localised accelerated...gradual decrease in grain size in the host ultramylonite approaching the pseudotachylyte veins (e.g. |  | Hawemann, Friedrich, Mancktelow, Neil S., Wex, Sebastian, Camacho, Alfredo, Pennacchioni, Giorgio (2018) Pseudotachylyte as field evidence for lower-crustal earthquakes during the intracontinental Petermann Orogeny (Musgrave Block, Central Australia). Solid Earth, 9 (3). 629-648 doi:10.5194/se-9-629-2018 | Journal (article/letter/editorial) | | University of Padova, Via Gradenigo 6, 35131 Padova, Italy 2 Department Correspondence: Friedrich Hawemann...foliation, in some cases at the boundary to ultramylonite bands or along the rim of dolerite dykes (Fig...precursor ultramylonitic zone is lost because the ultramylonite is always totally melted during subsequent self-localizing...structural evolution of the south-central Musgrave Province, central Australia, Precambrian Res., 168, 284–...in granulite-facies rocks of Calabria (Southern Italy), Contrib. Mineral. Petr., 166, 975–994, https://doi |  | | Journal (article/letter/editorial) | | Università di Pisa, Via S. Maria, 53, Pisa 56126, Italy of Geography, Earth and Environmental Sciences,...Via Vecchia Fiorentina, 10, Cascina 56023, Pisa, Italy 2 School Correspondence to: Giancarlo Molli (giancarlo...8, 767–788, 2017 XZ (a) 2 cm XZ HP / LT ultramylonite after brittle precursor Host HP / LT protomylonite...protomylonitic metagranite with millimetre-scale ultramylonite (compare a and b). The dashed lines in (b) are...host and the sharp shear zone boundary of the ultramylonite developed after a brittle precursor. All observable |  | Wex, Sebastian, Mancktelow, Neil S., Hawemann, Friedrich, Camacho, Alfredo, Pennacchioni, Giorgio (2018) Inverted distribution of ductile deformation in the relatively “dry” middle crust across the Woodroffe Thrust, central Australia. Solid Earth, 9 (4). 859-878 doi:10.5194/se-9-859-2018 | Journal (article/letter/editorial) | | University of Padova, Via Gradenigo 6, 35131 Padua, Italy 2 Department Correspondence: Neil S. Mancktelow...Woodroffe Thrust SW SW NE Pst breccia Ultramylonite Pst vein Mylonite Sheared pst Protomylonite...thickness: ca. 600 m Hydrothermal calcite Ultramylonite Mylonite Protomylonite Figure 9. Projected...1120–1020 Ma Ngaanyatjarra Rift, west Musgrave Province, central Australia, Geol. Surv. West. Aust., Perth...W.: Pseudotachylyte and the development of ultramylonite bands in the Saint-Barthélemy Massif, French |
|
