Environmental Engineering Reference
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FIGURE 13
Ichnology of Pleistocene (A) and Holocene (B-H) deposits from the Mussafah Chan-
nel SW of the city Abu Dhabi. (A) Reworked dune deposits (eolianites) with modern crustacean
borings in the upper intertidal zone. Cliff height
¼
approximately 0.6 m. (B) Cerithid-rich firm-
to hardground (channel lag deposit) with an eroded top surface and numerous cross sections of bur-
rows/borings, probably produced by polychaetes. Scale bar
¼
1 cm. (C) Lower bedding plane of a
beach sand layer (intertidal) with an extensive burrow system of
Thalassinoides paradoxicus
, prob-
ably produced by crustaceans. Scale bar
1 cm. (D) Lagoonal packstone with large lenticular gyp-
sum crystals (L, subtidal), bioturbated beachrock (B, lower intertidal) and microbial mats with
gypsum crystals (M, upper intertidal). Scale bar
¼
20 cm. (E) Top of the lagoonal packstone with
¼
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