Lower Gull River Member
Geology
Group: Simcoe
Formation: Gull River
Lithologies: "limestone" (1)
Paleoenvironments: lagoonal/restricted shallow subtidal (1)
Age range: Blackriveran or 457.30000 to 449.60000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan - Blackriveran | Canada (Ontario) | (27220) | |
| Blackriveran | Canada (Ontario) | (26172) |