Environmental Engineering Reference
In-Depth Information
FIGURE 2
—Cont'd
and
Phycosiphon
) represent important constituents.
Zoophycos
,
Spirophyton
,
horizontal to subhorizontal meniscate mobile deposit-feeding traces such as
Scolicia
,
Taenidium
, and
Lophoctenium
, and traces that result from surface for-
aging such as
Neonereites,
are also characteristic.
A primary physico-chemical control on the archetypal
Zoophycos
Ichno-
facies has typically been considered lowered oxygen levels, associated with
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