Stratigraphic Reference · Cape Fear Region

Depth of
Time.

A vertical journey through the stratigraphy of the Cape Fear region — from today's river sediment down through the Pliocene, Miocene, and the warm shallow seas that produced megalodon.

A schematic reference for placing what washes up at Shark Tooth Island on the geological timeline. The interactive long-scroll version is in progress.

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Stratigraphic Column

Cape Fear River · schematic

~0 ka

Holocene

River sand · oyster shell · modern wash

~5 Ma

Pliocene

Cooling seas · great white ancestors

~15 Ma

Miocene

Peak megalodon · warm shallow shelf

Source bed
~28 Ma

Oligocene

Early megatooth sharks · cooler oceans

~40 Ma

Eocene

Basal carcharocles · tropical Atlantic

Schematic only · not to scale