Meriden Group

Geology

Formations: unnamed (1), East Berlin (24), Feltville (2), McCoy Brook (16), Midland (2), Mount Toby (5), Scots Bay (1), Shuttle Meadow (3), Talcott (2), Towaco (13), Turkey Run (1), Turners Falls (1)

Lithologies: not reported (7), mudstone (8), "shale" (15), siltstone (15), sandstone (38), wackestone (1), "limestone" (3)

Paleoenvironments: terrestrial indet. (18), fluvial indet. (1), alluvial fan (2), fine channel fill (1), fluvial-lacustrine indet. (18), lacustrine - large (4), lacustrine - small (7), lacustrine indet. (18), interdune (1), eolian indet. (1)

Age range: base of the Carnian to the top of the Sinemurian or 237.00000 to 190.80000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 228.0USA (Virginia) (107509)
Hettangian201.3 - 199.3Canada (Nova Scotia) (227833)
Hettangian201.3 - 199.3USA (New Jersey) (55527 62838 100136 153635 182625 182626 187193 187194 187195 187196 187197 187198 192337 223800)
Hettangian201.3 - 199.3USA (Virginia) (107637)
Hettangian201.3 - 199.3USA (Massachusetts) (46440 52986 53024 53026 53029 53030 55260 55331 69798 187029)
Hettangian201.3 - 199.3USA (Connecticut) (46438 47198 51255 51256 51257 51258 51259 51260 51261 51262 51263 51264 55741 91576 153640 153641 224079 224081 224082 224090 224091)
Early/Lower Hettangian201.3 - 196.5Canada (Nova Scotia) (74206 74207 74208 74213 74209 74210 74211 74212 74214 74215 74216 138976 138977 138978 146189 227835)
Early/Lower Hettangian201.3 - 196.5USA (New Jersey) (62837)
Hettangian - Sinemurian201.3 - 190.8USA (Massachusetts) (122720 122721 122722 153637 153638)
Early/Lower Sinemurian196.5 - 189.6USA (Virginia) (104029)