Environmental Engineering Reference
In-Depth Information
FIGURE 8
Bioturbation structures in bottom-current-affected settings. (A) Hiatus horizon covered
with mud pebbles, representing the base of the Late Pleistocene within the Iceland Shetland
Channel in 1,100 m water depth. British Geological Survey core 60-05/50 (60
49.7
0
N,
4
12.5
0
W), 346-358 cm (for details, see
Akhurst et al., 2002
). The mud clasts (mc), one with
Zoophycos
(
Z
), are embedded in coarse sand (S) that in turn rests on mud with autochthonous
Zoo-
phycos
(
Z
a
). The minimum amount of erosion is 40 cm, based on the burrowing depth of the
Search WWH ::
Custom Search