Harding Formation

Geology

Members: unnamed (3)

Lithologies: not reported (1), "shale" (5), sandstone (4), chert (1)

Paleoenvironments: marine indet. (5), open shallow subtidal (2), offshore indet. (3)

Age range: Franklinian or 457.30000 to 449.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Caradoc458.4 - 449.5USA (Colorado) (10380 10391 170686)
Late/Upper Ordovician458.4 - 443.8USA (Colorado) (216974)
Franklinian457.3 - 449.6USA (Colorado) (155756 155772 216975 216976 216977 216978)