Rochester Formation

Geology

Group: Clinton

Members: unnamed (24), Gates (1), Lewiston (1)

Lithologies: not reported (1), mudstone (11), "shale" (48), siltstone (1), lime mudstone (2), wackestone (1), grainstone (6), "limestone" (30), dolomite (1), "carbonate" (1)

Paleoenvironments: marine indet. (27), carbonate indet. (3), offshore indet. (1), marginal marine indet. (2), offshore (35)

Age range: base of the Llandovery to the top of the Sheinwoodian or 443.40000 to 430.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Llandovery443.4 - 433.4USA (New York) (76102)
Llandovery - Sheinwoodian443.4 - 430.5USA (New York) (165225)
Llandovery - Wenlock443.4 - 427.4USA (New York) (26801)
Llandovery - Ludlow443.4 - 423.0USA (Maryland) (41093 41100 41101 41128 41129)
Llandovery - Ludlow443.4 - 423.0USA (West Virginia) (41087 41134 41136)
Llandovery - Ludlow443.4 - 423.0USA (New York) (167558 167559 167560 173819)
Sheinwoodian433.4 - 430.5USA (New York) (26863 26864 82509 82510 82535 82545 82559)
Wenlock433.4 - 427.4Canada (Ontario) (751 752 753 754 755 756 26687 26855)
Wenlock433.4 - 427.4USA (New York) (541 783 12932 12934 12935 12936 13047 13050 13051 13052 24941 26854 75248 75249 75250 75252 75253 75254 81781 81782 81783 81784 81803 81804 81805 81813 81840 81873 81885 81898 81905 81906 81917 81920 81922 82501 226164 226918)