Calvert Beach Member

Geology

Group: Chesapeake

Formation: Calvert

Lithologies: not reported (5), claystone (23), siltstone (1), sandstone (11)

Paleoenvironments: marine indet. (1), offshore shelf (1), marginal marine indet. (2), coastal indet. (21), foreshore (12), offshore (3)

Age range: Serravallian or 13.82000 to 11.62000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Serravallian13.82 - 11.62USA (Maryland) (18580 37347 49945 51716 55396 57782 70594 70821 70822 70825 70828 70829 70835 70836 70837 70842 71533 71641 71648 88577 88578 88580 155893)
Serravallian13.82 - 11.62USA (Virginia) (45508 55690 57110 57111 57113 71627 71629 71642 71645 71806 71798 71800 71801 71811 71812 97416 201605)