Marshalltown Formation

Geology

Group: Matawan

Members: unnamed (35), Mount Laurel (1)

Lithologies: not reported (1), claystone (2), "shale" (3), sandstone (14), marl (3)

Paleoenvironments: marine indet. (21), terrestrial indet. (7), coastal indet. (2), estuary/bay (3), transition zone/lower shoreface (3)

Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6USA (Delaware) (6144 6145 6146 6147 6148 6149 6150 6151 6152 6153 6154 6155 6156 6157 27570 78120 78138)
Late/Upper Campanian83.5 - 70.6USA (New Jersey) (14455 167663 213754)
Middle Campanian83.5 - 70.6USA (Delaware) (35049)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (New Jersey) (3868 3869 3870 3877 3883 109662 123470 124930 180662 221054)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Delaware) (35048 126600 126810 167782 221292)