Robertson Formation

Geology

Group: Mowich

Members: unnamed (2)

Lithologies: sandstone (1), rudstone (1), bafflestone (2)

Paleoenvironments: reef, buildup or bioherm (2)

Age range: Late/Upper Pliensbachian or 192.90000 to 184.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Jurassic201.4 - 174.7USA (Oregon) (41470)
Late/Upper Pliensbachian192.9 - 184.2USA (Oregon) (21259)