Kössen formation

Exposure of dark gray marl slate of the Kössen formation on the banks of the Neidernach

The Kössen Formation (also Kössen layers ) is a lithostratigraphic unit of the Northern Limestone Alps in the rank of a formation . Name-giving and type locality is the place Kössen in Tyrol . Rocks of the Kössen Formation also appear in the Tegernsee Mountains , in the Ester Mountains , as well as in the Ammergau , Lechtal and Allgäu Alps .

The Kössen Formation consists of alternating layers of dark gray claystones , marls and clayey limestones that were deposited on the shelf of the western Tethys Sea in the Upper Triassic ( Rhaetian ) . The rocks of the Kössen Formation are considered to be very rich in fossils .

Web links

• Information on the Kössen formation at www.geopal.at

Individual evidence

1. ^ Meyer's Large Conversational Lexicon . 6th edition. Bibliographisches Institut, Leipzig / Vienna 1909 ( zeno.org [accessed on October 8, 2019] Lexicon entry “Kössener layers”).
2. ↑ OAPfiffner: Geology of the Alps, 3rd edition (2015), ISBN 978-3-8252-8610-1
3. ↑ Explanations of the Geological Map of Bavaria 1: 500000, 4th edition (1996)