7.6 Transitional Systems
343
a MODES OF INCISED VALLEY FILLS ISHELF GRADIENT> RIVER GRADIENT}
a 1 HIGH GRADIENT, HIGH SEDIMENT SUPPLY a2 LOWER GRADIENT, MEDIUM SEDIMENT SUPPLY
~
-~SB
DECREASINGj ~~ : ~~
~~~~~~A1l0N I ~-= T iJ ~~~I~:~~~:~Fl
_._. __ .t.-. _.-._._._.-._.- MFS~~=-iJ?Y"r-'-'~ -'-'
.
~~~~---=LS TERR C :.",: ~
: ....:....:::::::07.
~
-
INCR. ACC.
-
A E
~
~
SPACE
± PALEOSOL
TST
I .:::-::-;:~:;-:--;:-s:"'" ..... ·-.,. :· - ··-:-:f :- .;- ·~· -:- ·-: -:·.-:->-:_·~-:_ ·-:- · .,... · "'7 ~ SB ANASTOMOSING,
FLOOD PLAIN, LAKE,
::-!-~" "i; ':" '':'~
MUD·DOMINATED
DEL T AIC, TIDAL. OR
[ST
± MEANDERING. MIXED LOAD
SHALLOW·MARINE SED.
:~~~~~~D
IFLUVIAL)
C APPALACHIAN COAL CYCLOTHEMS
b CAA80NIFEAOUS INCISED VALLEY FILLS WITH COAL
SHAlLOW·MARINE
lIMESTONE \
MARINE
SHAlE
MARINE
lIMEST.
& SHALE
d 8LACK SHALE-PALEOSOL CYCLOTHEMS
(PENNSYLVANIAN, MID-CONTINENT, N. AMERICAI
m
5
2
o
MAIN
lITHOLOGY
PALEOSOL,
SHAlE, SllTST.
lIMEST.,
HST
IREGR.)
e INCISED VALLEY, ALPINE MOLASSE