Smoky Hill Shale Member
Geology
Group: Colorado
Formation: Niobrara
Lithologies: "shale" (23), sandstone (6), "limestone" (18)
Paleoenvironments: marine indet. (22), deep subtidal shelf (11), coastal indet. (7), offshore (7)
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Turonian | USA (New Mexico) | (82259 82281) | |
Coniacian | USA (New Mexico) | (82244 82245 82246 82247 82249 82250 82251) | |
Early/Lower Coniacian | USA (Colorado) | (74304) | |
Early/Lower Coniacian | USA (New Mexico) | (87847) | |
Late/Upper Coniacian | USA (New Mexico) | (82248) | |
Late/Upper Coniacian | USA (Colorado) | (74310 74311 74312 74313 74314 74316 74317 74318 74320 74321) | |
Middle Coniacian | USA (Colorado) | (74305 87851) | |
Santonian | USA (New Mexico) | (82261 82264 82268 82269 82271 82272 87850) | |
Santonian | USA (Colorado) | (87853) | |
Early/Lower Santonian | USA (Colorado) | (74322 74323 74324 74325 87852 87854) | |
Late/Upper Santonian | USA (Colorado) | (74331 87855) | |
Middle Santonian | USA (Colorado) | (74326 74327 74328 74329 74330) | |
Middle Santonian | USA (New Mexico) | (87848 87849) |