Table 1.

Position and mean IR-RF ages (±SEM) of the Mauer sediment samples

Mauer units	Sample	Depth (m)	Depth vs. Lettenbank	Age (ka)
Upper sands	Mau 6	15.0	+2.0 m	420 ± 23
	Mau 5	16.0	+1.0 m	508 ± 50
Lettenbank
Lower sands	Mau 4	20.5	−1.0 m	502 ± 27
	Mau 3	21.5	−2.0 m	554 ± 33
	Mau 2	23.0	−3.5 m	603 ± 56
	Mau 1	24.0	−4.5 m	607 ± 55