Skip to main content
Fig. 6 | Swiss Journal of Geosciences

Fig. 6

From: Eoalpine tectonics of the Eastern Alps: implications from the evolution of monometamorphic Austroalpine units (Schneeberg and Radenthein Complex)

Fig. 6

Micro-scale structures of selected samples of the SC. a Isoclinal fold F1 and Bt1 including pumpellyite. Folded S2 planes were overgrown by Bt2 (micaschists, study area B/1). b Garnet poikiloblast contains F1 folds as inclusion patterns. F1 consist of recrystallized quartz with straight grain boundaries (garnet growth stage I). Inclusion-free garnet rims (growth stage II) are bordered by intensely folded white mica (S2). c Garnet porphyroblasts with S1-sigmoidal inclusion patterns of graphite and ilmenite suggest growth during WNW-directed shearing (D1). Cores are surrounded by inclusion-free rims (growth stage II). Symmetric pressures shadows around the porphyroblasts are overgrown by Bt2, postdeformative to S2 (micaschists, study area B/1). d Garnet-bearing quartzitic gneisses with comparable structural features like (c) (study area B/1). e Euhedral garnet poikiloblast shows D2-postdeformative rim growth. f Garnet porphyroblast with D1-sigmoidal inclusion pattern. Garnets are surrounded by symmetric pressures shadows (D2) and by postdeformative mineral growth of biotite retrogressed to chlorite (growth stage III). The lack of growth stage II results into a high angle between S1 and S2 (metapelites, study area D/2)

Back to article page