Gletscherschliff bei Fischbach am Inn, Natural monument in Flintsbach, Germany.
Gletscherschliff bei Fischbach am Inn is an exposed surface of Triassic Wetterstein limestone near Fischbach in the Rosenheim district, scoured by the debris-laden Würm Ice Age Inn Glacier. The rock shows glacial striations, polished surfaces and numerous rounded humps called roches moutonnées. Sediment-laden meltwater also cut potholes, glacial mills and channels into the limestone.
The formation developed at the end of the last Ice Age when powerful glaciers moved through the Alpine foothills region. The Inn Glacier left clear evidence of its passage carved into the surrounding terrain.
The site functions as an educational resource for geology students and researchers studying the effects of quaternary glaciation in the Northern Alps.
The geotope lies near Fischbach am Inn in the Rosenheim district, close to the Inn. It is a designated natural monument with geotope number 187R004, recorded by the Bavarian State Office for the Environment. Visitors reach the limestone outcrop on foot; the polished rock surface is best examined when dry, as the glacial scratches and hollows stand out more clearly.
The terrain contains numerous glacier mills created when pressurized meltwater carved funnel-shaped pits into the limestone. These formations demonstrate how actively the glacial erosion continued beneath the moving ice.
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