| Lithostratigraphic unit
|
System / Period
|
Serie / Epoch
|
Approx. num. age at Base (Ma)
|
| Anse a Pierre Formation, Anse à Pierre-Loiselle Formation (Chaleurs Group) |
Silurian |
Llandovery to Wenlock (Lower Silurian)
|
438 ?
|
| Anse Maranda Formation |
Cambrian |
|
|
| Anticosti Group/Becscie Formation |
Silurian, Ordovician |
|
|
| Anticosti Group/Chicotte Formation |
Silurian |
|
|
| Anticosti Group/Gun River Formation |
Silurian |
|
|
| Anticosti Group/Jupiter Formation |
Silurian |
|
|
| Aylmer Formation |
Ordovician |
|
|
| Battery Point Formation |
Devonian |
Lower Devonian
|
|
| Beauharnois Formation |
Ordovician |
Lower to Middle Ordovician
|
|
| Becscie Formation |
Silurian, Ordovician |
Llandovery (Lower Silurian)
|
444
|
| Beekmantown Group |
Ordovician |
Lower to Middle Ordovician
|
|
| Beekmantown Group/Beauharnois Formation |
Ordovician |
|
|
| Bic Conglomerate Formation |
Cambrian |
|
|
| Black River Group |
Ordovician |
Upper Ordovician
|
|
| Broken Skull Formation |
Ordovician |
|
|
| Cap Bon Ami Formation |
Devonian |
|
|
| Chaleurs Group/Anse a PierreFormation |
Silurian |
|
|
| Anse Cascon Formation (Chaleurs Group) |
Silurian |
Llandovery (Lower Silurian)
|
441 ?
|
| Clemville Formation (Chaleurs Group) |
Silurian |
Llandovery (Lower Silurian)
|
445 ?
|
| Chaleurs Group |
Silurian |
Llandovery to Pridoli (Upper Silurian)
|
445 ?
|
| Weir Formation (Chaleurs Group) |
Silurian |
Llandovery (Lower Silurian)
|
443 ?
|
| Champlain Clay Formation |
Canada |
|
|
| Chicotte Formation |
Silurian |
Llandovery (Lower Silurian)
|
|
| Crown Point Formation |
Ordovician |
|
|
| Dalhousie Formation |
Devonian |
|
|
| Day Point Formation |
Ordovician |
|
|
| Ekwan River Formation |
Silurian |
|
|
| Ellis Bay Formation (Jolliet Group) |
Ordovician |
Upper Ordovician
|
445
|
| English Head Formation |
Ordovician |
|
|
| Escuminac Formation |
Devonian |
|
377
|
| Gascons Formation (Chaleurs Group) |
Silurian |
Wenlock to Ludlow
|
429 ?
|
| Gaspe Bay Sandstone Group |
Devonian |
|
|
| Battery Point Formation (Gaspe Bay Sandstone Group) |
Devonian |
|
|
| Gaspe Sandstones Formation |
Devonian |
|
|
| Grande Greve Formation |
Devonian |
Lower Devonian
|
|
| Gun River Formation |
Silurian |
Llandovery (Lower Silurian)
|
441
|
| Honorat Formation |
Ordovician |
|
|
| Hugh Miller Cliffs Formation |
Devonian |
|
|
| Indian Point Formation |
Silurian |
|
|
| Interlake Group/Cedar Lake Dolomite Formation |
Silurian |
|
|
| Jolliet Group/Ellis Bay Formation |
Ordovician |
|
|
| Jolliet Group/Vaureal Formation |
Ordovician |
|
|
| Jupiter Formation |
Silurian |
Llandovery (Lower Silurian)
|
439
|
| La Vieille Formation (Chaleurs Group) |
Silurian |
Wenlock
|
433 ?
|
| Laforce Formation |
Silurian |
|
|
| Lake Aymler Formation |
Silurian |
|
|
| Laval Formation |
Ordovician |
Middle to Upper Ordovician
|
460
|
| Levis Formation |
Cambrian |
|
|
| Lorraine Group |
Ordovician |
Upper Ordovician
|
|
| Lorraine Group/Nicolet Formation |
Ordovician |
Upper Ordovician
|
|
| Luke Hill Limestone |
Ordovician |
|
|
| Macasty Formation |
Ordovician |
|
|
| Malbaie Formation |
Devonian |
|
|
| Mann Formation |
Silurian |
|
|
| Matapedia Formation |
Ordovician |
|
|
| Matapedia Group/Grande Coupe Beds Formation |
Ordovician |
|
|
| Matapédia Formation |
Ordovician |
|
|
| White Head Formation (Matapedia Group) |
Ordovician |
|
|
| Merrimack Formation |
Silurian |
Llandovery (Lower Silurian)
|
|
| Mictaw Formation |
Ordovician |
|
|
| Escuminac Formation (Miguasha Group) |
Devonian |
Upper Devonian (Frasnian)
|
|
| Mingan Formation |
Ordovician |
Middle to Upper Ordovician
|
|
| Mont Wissick Formation |
Silurian |
|
|
| Naylor Ledge Formation |
Ordovician |
|
|
| Nicolet Formation |
Ordovician |
|
|
| Nicolet Formation (Lorraine Group) |
Ordovician |
Upper Ordovician
|
452
|
| Ottawa Formation |
Ordovician |
|
|
| Pamelia Formation (Black River Group) |
Ordovician |
Upper Ordovician
|
|
| Pontgravé Formation |
Ordovician |
Upper Ordovician
|
|
| Potsdam Group
|
|
|
|
| Cabano Formation (Quebec Group) |
Silurian |
|
|
| Romaine Formation |
Ordovician |
Lower to Middle Ordovician
|
|
| Roncelles Formation |
Devonian |
|
|
| Sargent Bay Formation |
Silurian |
|
|
| Severn River Formation |
Silurian |
|
|
| Simard Formation |
Ordovician |
|
|
| Solomons Corner Formation |
Ordovician |
|
|
| Sources Formation |
Silurian |
|
|
| Thornloe Formation |
Silurian |
|
|
| Trenton Group |
Ordovician |
Upper Ordovician
|
|
| Chicoutimi Limestone (Trenton Group) |
Ordovician |
|
|
| Tetreauville Formation (Trenton Group) |
Ordovician |
|
|
| Utica Shale |
Ordovician |
Upper Ordovician
|
|
| ValFormation |
Silurian |
|
|
| Valcour Formation |
Ordovician |
|
|
| Vaureal Formation (Jolliet Group) |
Ordovician |
Upper Ordovician
|
450
|
| Vaureal and Ellis Bay Formation |
Ordovician |
|
|
| West Point Formation |
Silurian |
Ludlow to Pridoli
|
424 ?
|
| White Head Formation |
Silurian, Ordovician |
|
|
| York river Formation |
Devonian |
|