Lithostratigraphy |
Sample No. |
Position in meters from base |
Microfacies |
Grain types |
Accessory Minerals |
Indet. Bivalves |
Caprinids |
Oysters |
Gastropods |
Foraminifers |
Miliolids |
Mesorbitolina texana |
Buccicrenata subgoodlandensis |
Paracoskinolina sunnilandensis |
Cuneolina sp. |
Novaleisa producta |
Lenticulinid |
Clavihedbergella sp. |
Encrusting Foram |
Echinoderms |
Ostracodes |
Lithophyllum sp. |
Lithocodium aggregatum |
Parachaetetes sp. |
Pycnoporidium lobatum |
Calcareous algae |
Corals |
Stromatoporoid |
Micrite rims |
Bioturbate |
Diversity |
Notes |
Percent Quartz silt-sand |
Opaque minerals |
Mean 86Sr/87Sr |
MQM |
SSJ27 |
429 |
Lime mudstone |
bioclasts |
qtz silt |
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
T |
|
|
|
|
|
|
|
|
|
2 |
chert in shell |
<1 |
T - organics? |
0.7079 |
Cerro La Espina |
SSJ25 |
373 |
Mollusk wackestone |
bioclasts, peloids |
|
F |
|
|
C |
|
|
R |
|
|
|
|
|
|
|
F |
R |
|
|
|
|
|
|
|
|
|
5 |
flat orbits, nerineid |
0 |
T - hematite & organics? |
0.7076 |
SSJ23 |
329 |
Sandy Coral-Caprinid packstone |
bioclasts, peloids |
qtz-fn-med, subang-subrd |
F |
C |
|
|
|
|
T |
|
|
|
|
|
|
|
R |
T |
|
R |
R |
|
|
C |
R |
|
|
|
|
2 |
|
|
SSJ21 |
307 |
Sandy Bioclast-peloid packstone-grainstone |
bioclasts, pelods |
qtz-fn-med, subang-subrd |
F |
|
|
|
|
|
F |
|
|
|
|
|
|
|
F |
R |
|
|
|
T |
|
R |
|
|
|
|
chert fracture; stylolite |
3 |
T - hematite & organics? |
|
SSJ20 |
274 |
Caprinid-algal boundstone |
bioclasts, pelods |
|
|
A |
|
|
T |
|
|
|
|
|
|
|
|
|
T |
R |
|
R |
R |
R |
|
|
|
|
|
|
|
0 |
|
0.7082 |
SSJ19 |
244 |
Caprinid packstone |
bioclasts, peloids |
chert, euhedral qtz |
A |
A |
|
|
F |
R |
|
? |
F |
T |
T |
|
|
|
R |
|
|
? |
|
|
|
|
|
R |
|
|
?Lithocodium, Qtz xls after calc |
0 |
Poikilotopic calcite on echinoderm |
|
SSJ18 |
242 |
Caprinid wackestone |
bioclasts |
hematite |
|
A |
|
|
R |
|
R |
|
? |
|
|
|
|
R |
|
|
? |
T |
|
|
|
|
|
|
|
|
|
0 |
T - hematite |
|
SSJ16 |
240 |
Caprinid wackestone |
bioclasts |
chert |
|
C |
|
|
R |
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
R |
|
|
|
|
|
chert replaces bioclasts |
0 |
T - hematite & organics? |
|
SSJ13 |
239 |
Orbitolinid wackestone |
bioclasts, peloids |
|
R |
|
|
|
R |
|
T |
R |
|
|
T |
T |
|
|
R |
|
|
|
|
|
|
|
|
|
|
5 |
fractures w/ calcite |
0 |
T - hematite |
|
Cerro La Puerta |
SSJ11 |
237 |
Orbitolinid packstone |
bioclasts, peloids |
chert fractured rimmed by Fe |
R |
|
|
R |
A |
|
A |
|
|
|
T |
T |
|
R |
F |
|
|
|
|
|
|
|
|
F |
|
7 |
fractures w/ calcite, chert |
0 |
T - leucoxene |
0.7077 |
SSJ10 |
227 |
Orbitolinid wackestone |
bioclasts |
|
R |
|
|
|
F |
|
F |
|
|
|
T |
|
T |
|
F |
R |
|
|
|
|
|
|
|
|
|
5 |
horizontal fractures |
0 |
|
|
Los Coyotes |
SSJ7 |
192 |
Slty Bioclastic packstone |
bioclasts, lm mdst intraclasts |
ang qtz silt, chert after bioclasts |
A |
|
|
|
R |
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
3 |
wavy stylolite cut by clacite fractures |
Tr |
T - organics? |
0.708 |
SSJ6 |
146.5 |
Bioclastic calc sandst |
bioclasts |
ang-subrd qtz silt |
C |
|
|
|
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
|
2 |
subparallel shells |
10 |
T - pyrite |
|
Tuape Shale |
SSJ5 |
85 |
Slty lime wackestone |
bioclasts |
qtz, chert nodules |
F |
|
R |
|
?S |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3 |
ang silt-fn sd, stylolites, fractures |
1 |
T - pyrite |
0.7085 |
SSJ4 |
73 |
Slty lime mudstone |
bioclasts |
ang slt qtz, chert nodules |
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
F |
2 |
wavy stylolites cut by fractures |
5 |
T - leucoxene |
|
Cerro La Ceja |
SSJ3 |
23 |
Sandy bioclastic wackestone |
bioclasts |
subang-subrd fn gr qtz, chert nod |
F |
|
|
|
T |
|
|
|
|
|
|
|
|
|
|
R |
|
|
|
|
|
|
|
|
|
3 |
wavy stylolites |
20 |
T - leucoxene |
0.7083 |
SSJ2 |
10 |
sdy bioclast mudstone |
bioclasts |
qtz, phosphate, chert |
F |
|
|
|
|
|
|
|
|
|
|
|
|
|
F |
|
|
|
|
|
|
|
|
|
|
2 |
ang-subrd, NS stylolites |
1 |
T - leucoxene |
|