Table 1.

Summary of lithostratigraphic units

Unit	Sub-unit	Characteristics
A		Olive brown to olive grey sediment at top of core, sparse IRD
	A	Mud or silty mud
	A′	Sand or muddy sand
B		Mud with common IRD, variably olive brown to light brown, bioturbated
C		Dark grey to grey brown mud with sparse IRD, lower L* than in B
D		Very light brown mud, orange hue. Heinricha layer 1
E		Dark olive brown or grey mud, some IRD, underlies unit D

IRD coarse-grained (>1 mm) ice-rafted detritus, L* lightness colour parameter

^aHeinrich layers are distinctive North Atlantic sediment layers that record well-dated episodes of major iceberg release