21Fossil sites
Portage Chute Formation
Portage Chute Formation in Canada: 21 fossil sites. Typical age: 451–450 million years (Ordovician).
21Fossil sites
0Finds
451–450 million yearsTypical age
OrdovicianMain period
Where its fossils were found
Ordovician
By geological period
Ordovician21
Towns with the most fossil sites nearby
Other formations of the same period
Ordovician
Vaureal Formation 228Ellis Bay Formation 161Mingan Formation 137White Head Formation 132Whittaker Formation 109Survey Peak Formation 102Sunblood Formation 61Boat Harbour Formation 61Green Point Formation 59Beaverfoot Formation 56Outram Formation 54Lower Road River Formation 47Georgian Bay Formation 45Catoche Formation 40Bad Cache Rapids Formation 38Table Point Formation 36Red River Formation 35Esbataottine Formation 34Skoki Formation 31Lorraine Formation 31Waynesville Formation 30Irene Bay Formation 30Verulam Formation 28Table Cove Formation 27