7.9 Cyclo- and Event Stratigraphy
PLA TFORM-TO-BASIN CORRELA TION
DETAITAL
OUARTZ
b
373
L1MEST
SLOPE
SBZ----~~yy~ . . ~_
HST If;
TST
-I 1-Yr+.--'~c:....BIRDSEYES" I
CATCH~UP '1r~~~;[
rs ..........
I
I '
" -
OOIDS
I
I
10 m
HIGH-FAEO 1--=-~1yFI,!ii'l PERITIDALPACKST. ,
LAGOONAL
WACKEST .
CYCLES
t1EI~~~'-:":
SBZ
(Be4) l CONDENSED OR HIATUS
: (PARTL Y EMERGED)
I
'f
C SUPERPOSITION OF SL-CURVES
MFS
(LOW FREOU.)
\
" MSF
,
, +2
~
MFZ (MAXIMUM
FLOODING ZONE)
SB
(LOW FREQU.)
/
t-r-t
SBZ (SEQUENCE
BOUNDARY ZONE)
- T I M E -
Fig. 7.44. Platform-to-basin correlation of high-frequency Berriasian carbonate cycles. a Paleogeographie situation in France and Switzerland. b Typical cyclic sequences within 3rd order transgresslve
(TST) and highstand systems tract (RST), subdivided
into ~ 100 ka cycles and smaller bedding rhythms.
SB
BASIN
--~010::::!0-+-'--+-----'+-- SBZ
L1MEST.""1;,I, ..........
- --HST
LATE
LST
EARLY
LST
SBZ (Be41
it
d SEDIMENT DISTRIBUTION
PLATFORM
BASIN
SB (EMERSION)
- - - I HIGHST. DEPOSITS
~ _ _ - :-SB
LAG
1_-.-:- 5B
LOWST. DEPOSITS
MARL
c Superposition of high- and low-frequency sea-Ievel
fluctuatlons and positions of sequence boundary
zones, SBZ, and maximum flooding zones, MFZ.
d Interpretation and relationship of platform cycles
and basinal bedding couplets. (After Pasquier and
Strasser 1997, simplified and modified)