Stratigraphic range: Chattian (Deseadan) ~26–24 Ma
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O
S
D
C
P
T
J
K
Pg
N
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Montañita-Olón locality with outcrops of the Dos Bocas Formation
Type
Geological formation
Unit of
Subibaja Group
Underlies
Villingota Formation
Overlies
Zapotal Formation
Lithology
Primary
Sandstone
Location
Coordinates
1°48′S80°48′W / 1.8°S 80.8°W / -1.8; -80.8
Approximate paleocoordinates
3°36′S75°30′W / 3.6°S 75.5°W / -3.6; -75.5
Region
Santa Elena Province
Country
Ecuador
Extent
Progreso Basin
The Dos Bocas Formation is a sedimentary geological formation of the Progreso Basin in southwestern Ecuador. It is dated to the Chattian, about 26 to 24 Ma, (Deseadan in the SALMA classification).
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