Indio Formation

Geology

Group: Wilcox

Members: Lower (13), Middle (10), Upper (9)

Lithologies: claystone (2), mudstone (1), "shale" (21), siltstone (7), sandstone (46), conglomerate (8), lime mudstone (2), "reef rocks" (1), "limestone" (14), "volcaniclastic" (3)

Paleoenvironments: marine indet. (24), shallow subtidal indet. (3), reef, buildup or bioherm (13), deep subtidal indet. (1), offshore shelf (1), coastal indet. (14), lagoonal (7), offshore (7)

Age range: base of the Aptian to the top of the Messinian or 125.00000 to 5.33300 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Aptian125.0 - 113.0Mexico (Michoacan) (115197 115198 115199 115200 115201 115202 115203 115204)
Aptian125.0 - 113.0Mexico (64204)
Early/Lower Aptian121.4 - 122.46Mexico (64366 64367 64368 64369 64370 64371 64372)
Early/Lower Aptian121.4 - 122.46Mexico (Michoacan) (89843 89844 89846 89847 89848 89850 89851 161239 161242)
Ypresian56.0 - 47.8Mexico (Nuevo Leon) (81023)
Early/Lower Eocene55.8 - 48.6Mexico (Tamaulipas) (42929 42930 42931 42932 42933 42934 42935 42936 42937 42942 42944 42945 42946 42947)
Early/Lower Eocene55.8 - 48.6Mexico (Nuevo Leon) (42938 42939 42940 42941 42943 42948 42949 42950 42951 42952 42953 42954 42955 42956 42957 42958 42959)
Langhian15.97 - 13.82Mexico (Baja California) (52183 158573)
Tortonian11.62 - 7.246Panama (100047 100048 100049 100050 100051 100052 100053 136006 136701)
Tortonian - Zanclean11.62 - 3.6Panama (Colon) (168112)
Messinian7.246 - 5.333Panama (Colon) (228712)