Manitoulin Formation

Geology

Members: unnamed (5)

Lithologies: lime mudstone (2), wackestone (2), "reef rocks" (1), "limestone" (1), dolomite (2)

Paleoenvironments: reef, buildup or bioherm (3), perireef or subreef (2), lagoonal (1)

Age range: base of the Hirnantian to the top of the Rhuddanian or 445.20000 to 440.80000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Hirnantian445.2 - 443.4Canada (Ontario) (85108)
Rhuddanian443.4 - 440.8Canada (Ontario) (45292 79159 79160 79161)
Llandovery443.4 - 433.4Canada (Ontario) (508)