Napo Formation, Group

Geology

Group: Napo

Formations: Napo (1)

Members: unnamed (3), "B" Limestones (1), "T" Limestones (1), Lower Napo Shales (2), Middle (1)

Lithologies: claystone (5), sandstone (1), lime mudstone (1), "limestone" (2)

Paleoenvironments: marine indet. (1), offshore shelf (2), offshore (5)

Age range: base of the Middle Albian to the top of the Early/Lower Pliocene or 110.10000 to 3.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Albian113.2 - 100.5Ecuador (61911)
Middle Albian110.1 - 106.3Ecuador (56767 61909 88522 88523 88524)
Late/Upper Albian106.3 - 100.5Ecuador (56768 56769 56770 61910)
Cenomanian100.5 - 93.9Ecuador (61892 61912)
Late/Upper Turonian93.9 - 89.8Ecuador (61893 61894)
Turonian93.9 - 89.8Ecuador (61913)
Turonian - Coniacian93.9 - 85.7Ecuador (Napo) (235780)
Early/Lower Coniacian89.8 - 85.7Ecuador (61908)
Santonian85.7 - 83.6Ecuador (61914)
Early/Lower Pliocene5.333 - 3.6Kenya (Turkana District) (185321 198274 198275)
Zanclean5.333 - 3.6Kenya (Turkana District) (21336)
Zanclean5.333 - 3.6Kenya (22234)