Irondequoit Formation

Geology

Group: Clinton

Members: unnamed (18), Model City (1)

Lithologies: "shale" (12), lime mudstone (2), wackestone (1), packstone (1), "reef rocks" (6), bindstone (2), "limestone" (10), dolomite (14)

Paleoenvironments: marine indet. (17), carbonate indet. (4), shallow subtidal indet. (1), reef, buildup or bioherm (8), offshore ramp (2), offshore (4)

Age range: Sheinwoodian or 433.40000 to 430.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Telychian - Sheinwoodian438.5 - 430.5USA (New York) (26814)
Niagaran438.0 - 421.3USA (New York) (22817)
Sheinwoodian433.4 - 430.5USA (New York) (26866 81785 81806 81807 81814 81816 81875 81876 81907 81908 82502 82503 82511 82512 82513 82514 82536 82537)
Wenlock433.4 - 427.4Canada (Ontario) (749 750 748 747 743 744 745 746)
Wenlock433.4 - 427.4USA (New York) (766 767 768 780 781 782 742 13053)