Monmouth Group

Geology

Formations: unnamed (8), Mount Laurel (12), Mount Laurel/Navesink (1), Navesink (20), New Egypt (5), Tinton (1)

Lithologies: not reported (17), claystone (5), sandstone (17), gravel (1), marl (10), quartzite (2)

Paleoenvironments: marine indet. (21), terrestrial indet. (13), shallow subtidal indet. (1), marginal marine indet. (8), coastal indet. (3), estuary/bay (1)

Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.50000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Campanian83.6 - 72.1USA (Maryland) (127194)
Campanian - Maastrichtian83.6 - 66.0USA (Delaware) (140927)
Campanian - Maastrichtian83.6 - 66.0USA (Maryland) (141991)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (Delaware) (126598 131935)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (New Jersey) (14504 46617 52504 57916 124933 124935 167772 190541 212620 221052)
Late/Upper Campanian - Maastrichtian83.5 - 66.0USA (Maryland) (127195)
Maastrichtian72.1 - 66.0USA (New Jersey) (26818 53054 53122 57915 78124 81999 99138 102186 123407 129265 155702 167535 167536 167631 167741 167743 167746 167771 189419)
Maastrichtian72.1 - 66.0USA (Maryland) (87726 124211 127183)
Early/Lower Maastrichtian70.6 - 66.0USA (New Jersey) (197070)
Early/Lower Maastrichtian70.6 - 66.0USA (Delaware) (78190 126811 176022)
Late/Upper Maastrichtian70.6 - 66.0USA (New Jersey) (48570 61807 124937 127082 141938 167650)
Late/Upper Maastrichtian70.6 - 66.0USA (Maryland) (78173)