Das Quartärprofil am Steilufer der Elbe bei Lauenburg

Abstract. Stratigraphy and exposure of beds along the bluffs of the river Elbe west of Lauenburg are described. Deposits dated as Miocene, Elster Ice Age and Holstein Interglacial have been encountered in borings only. The bluff is prevailingly composed of rocks belonging to the Drenthe stage. The latter is represented by at least three different ground moraines, apart from intercalated basin silts, basin sands and glacial-fluviatile sands. According to the dimensions, the three ground moraines may correspond to three different phases. In the intervals peaty basin sands were deposited. Samples of glacial drift indicate that the Warthe stage is represented by just minor remains of ground moraine. The gravels of which the Hasenberg is composed, however, belong into the same stage. The boulder clay widely distributed on the uplands and underlying the Eem-„Kuhgrund"-peats belong to the Drenthe stage. This joungest Drenthe boulder clay is undisturbed and covers strongly faulted old and middle Pleistocene deposits. Therefore these dislocations occurred before the Warthe stage; even the „Lauenburger Stauchmoräne" can no longer beassigned to the Warthe stage.