Harding Sandstone Formation
Geology
Members: unnamed (7)
Lithologies: not reported (1), "shale" (3), sandstone (3)
Paleoenvironments: marine indet. (2), 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 |
---|---|---|---|
Late/Upper Ordovician | USA (Colorado) | (216974) | |
Franklinian | USA (Colorado) | (155756 155772 216975 216976 216977 216978) |