Inn Glacier

The Inn Glacier, also known as the Inn valley glacier, was the ice-age glaciers of the Alps River Inn. From the Swiss Upper and Lower Engadine ( Graubünden Canton ) coming, flowed through it the Province of Tyrol in Austria (now the Inn Valley ). On German territory, the glacier tongue pushed far out into the Bavarian Alpine foothills. Its greatest thickness and extent reached the Inngletscher in the crack - Ice Age ( Altmoränen ). However, the vast majority of today influenced by Inngletscher landforms comes from the last ice age, the Würm glaciation ( Jungmoränen ).

Bavarian foothills of the Alps

Between Kiefersfelden and Brannenburg the Inngletscher broke through the bars of the Northern Limestone Alps with the Mangfallgebirge in the west and the Chiemgau Alps in the east. From the huge, eroding force of ice and boulders embedded in it a Gletscherschliff testifies east of the village of Fischbach in the community Flintsbach. There can be found on a tie from Wettersteinkalk visible the typical traces of a glacier pulp refiner: Kritzungen, potholes and bumps round. Here the traces of the glacier were not removed by erosion since the Fischbacher Gletscherschliff only in the course of the construction of the motorway A 93, Kiefersfelden - was Rosenheim, discovered and exposed ( range: 47 ° 42 ' 37 " N, 12 ° 9' 4 " O47.71027777777812.151111111111 ).

In the course of the successive ice ages, the glacier tongue scraping a huge trunk pool in the soft rocks of the pre-Alpine Molasse, the Rosenheim pool. Beautiful post, the Rosenheim pool filled with water from the Inn, which was dammed back by the Endmoränenwälle, the largest tribe basin lake north of the Alps was, the Rosenheim lake with an average water level elevation of 500 m above sea level. NN. Years ago, about 8,000 bodies of water broke through the Endmoränenwälle north Wasserburg am Inn. The Inn tiefte in Wasserburg far into the layers of the Upper Freshwater one, the lake ran out completely. During his brief post-glacial geological existence of Rosenheim lake was filled by the sediment of the Inn in part. The ablation horizon of the mining area and apply it auflagernden moraines are up to several hundred meters below the present ground surface ( maximum depth at the edge of the Alps, ascending to the north ). Therefore form in the area of the basin of lake sediment, such as Seetone, and not ground moraines, the starting material of soil development. Extensive marshes between Raubling, Bad Aibling and Bad Feilnbach, the clay mining and brick production in the former Kolbenmoor and the relatively flat landscape based on the emergence of a former lake bed.

The Inngletscher left behind large moraines, which can be seen even today. A very famous terminal moraine is the deer mountain, the views of the Rosenheim pool also allows for driving on the Autobahn 8 from Munich to Salzburg.

Branch glacier

From the Inn glacier glaciation of the Bavarian Alps and the eastern foothills of the Alps went out. While the Alps were glaciated areally up on the higher peaks, several glacier tongues can be identified that branched off through the main valleys to the north of the Inn Valley and the foothills glaciers formed.

• Be pushed over the Fern Pass the western tongue of the Isar- Loisach glacier that formed the Ammersee - tongue over the Alpentor of today Loisachtal valley near Garmisch -Partenkirchen.
• On the Seefeld saddle moved the eastern tongue of the Isar- Loisach glacier front, which split in space Walchensee and trained on the root pool Kochel Starnberg tongue and Wolfratshauser tongue, and on the Jachenau the upper Isar Valley and the Tolz tongue.
• West of the Rofan Mountains, the Tegernsee glacier pushed northward, scraped from the Achensee and created the tongue basin of Lake Tegernsee and the Schliersee. Their melting water washed from the valleys of the Mangfall and Schlierach.