Mexcala Formation

Geology

Members: unnamed (13)

Lithologies: "shale" (2), siltstone (2), sandstone (6), marl (4), packstone (1), "limestone" (3)

Paleoenvironments: marine indet. (10), lagoonal (3)

Age range: base of the Late/Upper Turonian to the top of the Early/Lower Maastrichtian or 93.50000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Turonian93.9 - 89.8Mexico (Guerrero) (232103)
Late/Upper Turonian93.5 - 89.3Mexico (Guerrero) (100119)
Coniacian89.8 - 86.3Mexico (Guerrero) (100120)
Coniacian89.8 - 86.3Mexico (42274)
Campanian83.6 - 72.1Mexico (Guerrero) (126150)
Maastrichtian72.1 - 66.0Mexico (Guerrero) (177609)
Maastrichtian72.1 - 66.0Mexico (Puebla) (59365 171008 171009)
Early/Lower Maastrichtian70.6 - 66.0Mexico (Guerrero) (7461 7462 7464)
Late/Upper Maastrichtian70.6 - 66.0Mexico (Guerrero) (7463)