7.3 Coastal and Shallow-Marine Siliciclastic Systems
5HOREFACE RETREA T
a
WASHOVER SANDS
± TEMPESTITES
IN-PLACE DROWNING, LOW SS
d COA5T AL UPLIFT (UPL> SLR)
AND SHORELINE MIGRATION
RAPID
t SL-RISE
e HIGH-FREQUENCY (PLEISTOCENE)
COASTAL-SHELF PARASEQUENCES
LAGOON
317
b 1 COASTAL PROGRADATION
HIGH 55
b4
STA8lE SEI. LEVEL
FASTAEL
SL·FALL
SLF>SUB-·:r -
SHARP BASE
IEROSIONAL UNCONF.)
SHORELINE PROGRADATION
REDUCED
~
TEIoIPEST. ~
LATE SLlOWSTAND
I ± STABLE)
' lil~!~ j i ~ L ~
: : ~ . .
; : _ ; . ; ~
. . : : : : ; ~ : t 5 ' - ; ; ;
: : : : : : ! : S
: H E I . F
: : : : : SA : : : : : :
ND == aOD: : : : : ;
Y ~~::::::::":""--~
I'OFFS~RE BAR")
c
"NORMAL"
SHOREFACE
SEQUENCE
LAGOONAL
MUDST.
BEACH :;=~111
BREAKER
ZONE
LOWER
5HOREFA~C=E-1~~~
SWALEY
HUMMOCKYli~~
SAND-AND
MUDSTONE.
WAVE·RIPPLEO .
BIOTURBA TED
SHARP-BASED
SHOREFACE
SEQUENCE