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Some Field Geology Impressions

Mani, southern Peloponnese, Greece

Mani, southern Peloponnese, Greece. Metaflysch (MF), Phyllite-Quartzite (PQ), and Plattenkalk (PK), tightly folded (indicated by red lines), and subsequently folded by open folds (dark blue lines), cross cut by low-angle brittle normal fault (dashed red line) with related isoclinal fold (bright blue line).

Isoclinal fold related to low-angle brittle normal fault

Isoclinal fold related to low-angle brittle normal fault (Mani, southern Peloponnese, Greece).

Field excursion, Eastern Alps 2011

Field excursion, Eastern Alps 2011.

Cataclastic shear zone along base of Balagne nappe (Corsica, France)2 sets of extensional veins (Corsica, France)

Left: Cataclastic shear zone along base of Balagne nappe (Corsica, France). Right: 2 sets of extensional veins (Corsica, France).

Field excursion, Corsica 2009Field excursion, Corsica 2009

Field excursion, Corsica 2009

Excavation of a fault core, Semmering area, Eastern Alps.

Excavation of a fault core, Semmering area, Eastern Alps.

Multiple jointing within Pindos Flysch (near Ioanina, Greece).

Multiple jointing within Pindos Flysch (near Ioanina, Greece).

Fault-bend folding of Pindos Flysch sequences (near Ioanina, Greece)Fault-bend folding of Pindos Flysch sequences (near Ioanina, Greece)

Fault-bend folding of Pindos Flysch sequences (near Ioanina, Greece).

Gsengscharte

Haindlkar and Gsengscharte (Gesäuse Mountains, Northern Calcareous Alps)

Haindlkar and Gsengscharte (Gesäuse Mountains, Northern Calcareous Alps), view towards west. The Gsengscharte marks the break through of the Salzach-Ennstal-Mariazell-Puchberg (SEMP) fault.

Angular discordance

Exposure at 47°16’24,00”N; 13°35’13,20”E, showing the angular discordance between the pre-Alpine basement of the Schladming Nappe (right) and the Permian to Triassic cover (left) (Silvretta-Seckau nappe system). The basement at this site mainly comprises various paragneisses with distinct layers of amphibolite. The cover at the contact comprises quartzite and quartz phyllite. Due to the angular disconformity the penetrative foliation within the basement is assumed to be of pre-Alpine origin. This pre-Alpine foliation is subhorizontally layered in the area of exposure; the foliation within the cover is dipping towards southeast.

Dismembered folds and boudins of Plattengneiss within ductile matrix of calcite marble
Dismembered folds and boudins of Plattengneiss within ductile matrix of calcite marble (Koralpe, Austroalpine unit, Eastern Alps).

Contact between a cataclastic shear zone and slightly compacted, but undeformed Badenian (?) sand along the eastern margin of the Koralm Complex
Contact between a cataclastic shear zone and slightly compacted, but undeformed Badenian (?) sand along the eastern margin of the Koralm Complex
Contact between a cataclastic shear zone and slightly compacted, but undeformed Badenian (?) sand along the eastern margin of the Koralm Complex, as exposed within the pilot tunnel “Leibenfeld” at station 130m (view is towards east, appr. 12 m wide and 5.5 m high); the cataclastic shear zone rock in the footwall of the sediments is dipping to the east, slickenside striae are plunging subparallel to the fault dip (normal sense of shear); H: slickensided fault plane, str: striation, BIM-rock: Block-in-matrix rock.

Asymmetric boudins of dolomite marble within banded calcite marble
Asymmetric boudins of dolomite marble within banded calcite marble (Phyllonite slice, Upper Central Austroalpine Gurktal Nappe system, Nockalm area, Eastern Alps).

Triassic meta-carbonates of the Stangalm Mesozoic unit
Triassic meta-carbonates of the Stangalm Mesozoic unit (center), forming the cover of the Bundschuh crystalline basement (left) (Lower Central Austroalpine Nappe system, Nockalm area, Eastern Alps)

Hoher Prijakt (3064 m), Schobergruppe
Hoher Prijakt (3064 m), Schobergruppe, situated within the Austroalpine crystalline basement. View towards north into the Tauern Window, with Grossglockner peak (3797 m) in the background, situated within the Penninic Gockner nappe (field excursion, Eastern Alps 2011).

central Tauern Window, Eastern Alps
Asymmetrically boudinaged layers of amphibolite within paragneisses (central Tauern Window, Eastern Alps).

Group photo of fieldtrip

Field trip during the 11th Workshop on Alpine Geological Studies (September 2013).

Core description IODP Expedition 352

Core description, IODP Expedition 352; with (from left to right) John Shervais, Margaret Hasted, Tim Chapman, (Walter Kurz), Hongyan Li (picture taken by Tiothy Fulton).

Portcall IODP Expedition 352 Yokohama

Portcall IODP Expedition 352 Yokohama

Portcall, IODP Expedition 352, Yokohama, 31.07.2014

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