| 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 |