-
Retrogradation is the
landward change in
position of the
front of a
river delta with time. This
occurs when the m****
balance of
sediment into the delta...
- are
separated into
stacking patterns:
Aggradational Progradational Retrogradational Each
stacking pattern will give
different information on the behaviour...
-
interpretations made by
Shanley and
McCabe (1991) and
found multiple retrogradationally stacked parasequences creating overall transgressive-regressive cycles...
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Sequence IV with a wedge-shaped geometry,
reveals steep slopes and
retrogradational stacking,
indicating subaerial exposure at its base with ammonite-rich...
-
related with sea-level fluctuations,
manifested locally with a
notorious retrogradational fluvial-lacustrine sedimentation, with
evidence of a
humid climate...
-
Formation represents the
turning point from a
progradational to a
retrogradational succession. The
tuffs within the
Whitehill Formation, as well as other...
-
Margaritatus Chronozone.
After the Pli1, a
series of
local subordinate retrogradational stratal-pattern
architectures indicate the
transgressive phase of the...
- time,
indicating the
sedimentary environment was
subsiding (i.e., a
retrogradational parasequence). Sandstone, coal-bearing
siltstone and tuff as the record...
-
reflected in the s****line
shifts to the northeast,
which contributed to
retrogradational stratal pattern architectures. In the
Sorthat Formation, a transition...
