Environmental Engineering Reference
In-Depth Information
FIGURE 1
Biogenic structures common to the
Psilonichnus
Ichnofacies. (A) and (B) Bedding-
plane view of modern crab-generated dwelling burrows (arrows and cb), variably representing
Psi-
lonichnus
and
Polykladichnus
. (C) Cross section through a modern crab burrow, attributable to
Psi-
lonichnus
(
Ps
). (D) Sandstone with
Psilonichnus
(
Ps
). Lens cap is approximately 4.5 cm in
diameter.
Search WWH ::
Custom Search