Calvert Formation
Geology
Group: Chesapeake
Members: unnamed (23), Calvert Beach (39), Fairhaven (14), Plum Point (67)
Lithologies: not reported (28), "siliciclastic" (5), claystone (64), siltstone (4), sandstone (35), conglomerate (1), marl (7)
Paleoenvironments: marine indet. (37), terrestrial indet. (2), offshore shelf (1), marginal marine indet. (5), coastal indet. (45), estuary/bay (34), foreshore (13), transition zone/lower shoreface (1), offshore (6)
Collections