Aguja Formation

Geology

Members: unnamed (66), Abajo Shale (8), Alto Shale (52), Rattlesnake Canyon (1), Rattlesnake Mountain (1)

Lithologies: not reported (73), claystone (11), mudstone (17), "shale" (1), siltstone (2), sandstone (24), conglomerate (10), "limestone" (1)

Paleoenvironments: marine indet. (6), terrestrial indet. (85), marginal marine indet. (1), coastal indet. (4), estuary/bay (2), paralic indet. (1), delta plain (3), interdistributary bay (2), shoreface (2), fluvial indet. (1), channel lag (7), fine channel fill (1), "channel" (1), "floodplain" (9), crevasse splay (1), levee (1), lacustrine indet. (1)

Age range: Middle Campanian or 83.60000 to 72.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Campanian83.6 - 72.2USA (Texas) (191055 200385 200394 200395 200396 200397 200399 200400 200401 200402)
Early/Lower Campanian83.6 - 72.2Mexico (Coahuila) (113768)
Judithian83.6 - 72.2USA (Texas) (14488 14489 48941 52462 52463 52464 151416 222809 222810 222812 222813 222814 222815 222816)
Late/Upper Campanian83.6 - 72.2USA (Texas) (94373 96601 109657 109658 143522 165197 189800 189801 189802 189803 189813 191054 200421 200447 200449 232413 236770 236771 236774)
Late/Upper Campanian83.6 - 72.2Mexico (Chihuahua) (35707 171007 210630 226998 227230)
Late/Upper Campanian83.6 - 72.2Mexico (Coahuila) (99139 170930 170939 227164)
Middle Campanian83.6 - 72.2USA (Texas) (7466 7467 7468 7469 7470 90032 90466 236772 236773 236775 240113 240114 240118 240801)
Middle Campanian - Late/Upper Campanian83.6 - 72.2USA (Texas) (22709 25073 36635 68001 68002 68003 68004 68005 68006 68007 68008 68012 68013 68014 68015 68016 115413 115414 150883 189791 189792 189793 189794 189795 189796 189797 189798 189799 189804 189805 189807 189808 189809 189810 189811 189812 189814 189815 200448 200450 212184 212185 212186 212187 222811 236769 275405)
Middle Campanian - Late/Upper Campanian83.6 - 72.2Mexico (Chihuahua) (35353 80284 170941)
Middle Campanian - Late/Upper Campanian83.6 - 72.2Mexico (Coahuila) (170937 170938 170940 171006)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0USA (Texas) (240119)
Middle Campanian - Early/Lower Maastrichtian83.6 - 66.0USA (Texas) (240115 240116 240117 240121 240122 240127)