Reef 3D: volcanic island with waterfall and atoll

As per Darwin's theory about the formation of coral atolls, this illustration shows the remaining coral atoll following subsidence of the original volcanic island.

Cross-section of a volcanic island watershed, showing crater lakes, waterfalls, modified and natural shoreline, fringing reef, volcanic island, and lava flows

Illustration of volcanic islands with reefs

Illustration of a volcanic island with barrier reef

Illustration of reef habitat

Illustration of reef base with volcanic island and fringing reef

Illustration of reef base with volcanic island and barrier reef

A generic volcanic island with crater, lava flows, beach, and reef, that you can add to any diagram