Page 138 - Carbonate Facies in Geologic History
P. 138
V s· a tI:I ~ s· o ...., tI:I ~ 0;3. to: 3 :4' .., o 3 ~ 8" '"0 Q o 0; 8. n o .., :::. '"t:l S· ::l ~ (J) tI:I to: §: to: ~ ..... IV Vo
shale
in Lecompte the
nodules limestone Nodular limestone tidal flats became surrounded
Limestane Shale Limestone Marly From -18. progression of faunas adapted to shales
~ ~ ~ - ~ ~ IV and dark
-
-17 IV Ultimately
stromatoporoids stromatoporoids Bra nc hed stromatoporoid Tabulate Figs. for These diagrams show dearly the pattern of cydic deposition resulting from fluctuations them.
coral
Receptaculites Solitary coral Massive Adnate coral Stalked Stromatactoid Branched Fig. IV-18. Bioherms of the Middle Frasnian (Upper Devonian) in the Dinant basin, Belgium legend in relative sea level and reciprocal sedimentation on shelves and individual mounds. During a carbonate producing (transgressive-dear water phase) deposition was rapid
@ JJ ~ ::z#" ?-' IillL::" ~ ~} special of mounds show off-mound water depths of 100 meters. As sea level fell occurred
with were building up from deeper to shallower water with a fissuring
Alveolites Alveolites facies lateral and
Massive Adnate Brachiopod Crinoid Disphyilum ~ Gastropod Heliophyilu m Hexagona ria Ammonites their (1970, Fig. 9) . brecciation
a '-./"' cI) <::) = n 11 t89 and and
ti I>' ::s t:l:I I>' '" s· o -. t:l:I g. (JQ 2· S VJ ...... ..., o S I>' ..... o "C S; o s.: I>' ::s 0- (1 o ..., e '"1:1 s· ::s I>' !2. ~ t:l:I 8. 0: s:: "C en § 0.. VJ ::r ~ -.
tT1 ..c s:: <. s· e ~ ..... ::s ..... en
0"0-'Tj ~ o:q. s:: Q g"O'O-:@ ...,~en "- 0- < 0 """""" -. '" ~ ~ 0\ P=l -. I"""'t- ::r ::s ~ 0- ~ < ~ o· ~ -...l ,.., c. - goo 0 C- ~ \0 -. u.::S ~~ ..... I ::og" -...len (D ~ 0" ..... S· '< t""'(JQ ~en (')0 0....., s ..... -gg" ~ ~ ~ ~ ::r:::: ~ 0 "C::S 0 ..., 0.
...., e; 00· 0" ...., ~ I>' 00 I>' 1-1 ~ g ~ ..., ~ .... I>' o:q. £8-::s-'S:: '-<. -. & ~ "" en I>' I>' 0 I>' ..... ,~
'"1:1 ~ e n ;:s. 1>'~0...,90-(')~' ~ '. ('t) ::s ~P;-~e;~0-8"C" ::s 0- 1-1 0 1>'''C::s ti.g@g. (')O- ~ ~ ::s p;-"" ~ -I:::.; <'< ...,og 1>'..... ~...,..., ..., (D...... en _. 0 ~ Er::r s· ~:=':(JQ 1>'-< ..... I>'
(') ~ O'~ N ...,0-0 <:..., 0: s· J6 • --< ~ ::r="'s:~'<::S en 0 ...... -. 0 0" ~ -. s:: r-+ 1-1 ~ ..... o""::rC.enO' ...,g~(JQI>'_ :=. <O(')§~ 8. s:: 1>'::S0-~(1 O:::S.:;<O-I>' :;O~og...,g- 8.'8s::~~::s ;::i. ~ ..... _. ::r..c ~g~~s::en ""'" ..... S 'Tj I>' 0- gen::S~::S~ ::s..., 00..~(J
t:l:IS,< ~ ~ "C 0" 5 ~ ~ g § ....... ..., I>' ~ ..., ;:> 1-1 00 e f!l. "'~ """"""" <. ...... ~ en '" g '" _. I>' ...... (JQ ::s ::r ..... ~ ""::r 0 _. =::s 00 oo ::r1>' ~. 0ti~ ........ < C"D ~ ...... § g- -. I>' O 0-(1 en VJ::;.·::s -.. I>' ::s§O • 0.. _ o