Page 57 - Maldonado_Stanley_1976

STRA l T SHALLOW SHALLOW
NARROWS PLATFORM BASI N PLATFORM

S.P. 8-7 v. 14 -140 CH. 61- 19 v. 14 - 139
o (350m) (166m) ( 1475 m), ' ( 1703 m)
.. c· t
~
• l

lnoroanic Structures , 1 .-·8
Biooenic Structures
·o
-L. INCUNEO LAMINAE ~~ TUBE - SHAPED BURROW ·.~· ··.~.:o ..
~ &?fft!r SPJRAl- SHAPED BURROW .......
CROSS- LAMINAE
~ RESTING TRACE
RIPPLE
VZ/2 CONVOLUTE BEDDING ~
TJNY SHAFT (MYCELIUM)
THIN (2MM) PARALLEL LAMINAE J('(_ TINY SURROW SYSTEM
rr
~ THIN IRREGULAR LAMINAE PYRITIZED BURROW
c::::::J THICK (2- 10 MM) LAMINAE tll'''") LATERALLY SlOPJNG STRUCTURE 2 w r'=
c:::::::J WAVY TO IRREGULAR THIN LAMINAE ~ MOTTLED w ::·;·:··:··~·:···
::;: r
<> lENTICULAR SHAPE ~ .:o
GRADED BEDDING z -\~'~:·.,, :"8
~ FLASER STRUCTURE Grain Size ·~ ..
MUD
~ SCOUR-AND-Fill 3 "' . ·'.:·'·
e MUD 8All , INTRACLAST SllT o .,,, .. :• .. ·
DISCONTINUITY CJ • FINE SAND é
E2ll •
-r INTERVAl IN WHICH COARSE SAND o
..J... o
STRUCTURE OCCURS
.· .. :··l.
t STRUCTURE CHANGING GRADUAllY
Other Components
DISTINCT CONTACT
-~--,, INDISTINCT CONTACT 0,( PELECYPODS z :::~·."·
<[> a GASTROPODS ::k:;.: ..
EXAMPLE
-- ~ ...-= SCAPHOPODS t:i:i.~
o
.='..,.,..,t; ECHINODERMS
~ BENTHONIC FORAMINFERIDS 5 :<:.~:
C-14DATE--I "
B
...._.,____ TYPE OF STRUCTURES, PLANKTONJC FORAMINJFERIDS ·:~.?·i@@
l \ GRAIN SIZE, COMPONENTS, ?6 .;:;1 PTEROPODS
SEDIMENT TYPES
GRAPHIC SEQUENCE
@) BIOCLASTIC SAND
LOG AND TYPE OF
SEDIMENT 6 VOLCANIC ASH
:. '::. ------- OXIDIZED TOP LAYER 6
NOTE: SEE FIGURE 29 FOR SYMBOLS
OF VERTICAl LITHOLOGICAL CALCAREOUS CONCRETJONS
SEQUENCE
OR NODULES

FIGURE 33.-Lithologic core logs along a transect crossing the Strait Narrows, shallow platform,
and basin environments in the Strait of Sicily. (lsochron position is tentative; correlation is
based on comparison with cores in Figures 34 and 35 where carbon-14 dates are available.
Symbollegend also in Figure 29.)