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Keywords from Image Description:
USM fluviatile sandstone Wallenried. en Sedimentary layers at Wallenried canton Fribourg Switzerland Age Aquitanian Ma Alternation of grey fluviatile sandstone deposited by meandering rivers and red silty marls belonging to the Untere Ssswassermolasse Lower Freshwater Molasse formation Own Woudloper Molasse Wallenried Sedimentary