Environmental Engineering Reference
In-Depth Information
FIGURE 8
Upper shoreface sandstones. (A) Generally unburrowed multidirectional trough
cross-stratification. Note the single
Skolithos
(
S
) in the lower right of the photo and an isolated
escape structure (fu) in the middle left of the image. Scale bar
¼
15 cm. (B) Close-up of trough
cross-stratified sandstones with a single, robust
Conichnus conicus
(
C
). (C) Cross-stratified sand-
stones with BI
¼
5, consisting of
Macaronichnus segregatis
(arrows) in a “toe-of-the-beach” asso-
ciation. The zone occurs near the top of the upper shoreface near the foreshore boundary.
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