Esperanza Formation

Geology

Members: unnamed (3)

Lithologies: "shale" (1), coal (2)

Paleoenvironments: marine indet. (1)

Age range: base of the Carboniferous to the top of the Aptian or 358.86000 to 113.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Carboniferous358.86 - 298.9Spain (Olloniego) (28326)
Carboniferous358.86 - 298.9Spain (Malpica) (28327)
Aptian121.4 - 113.2Peru (San Martín) (122030)