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.
Illustration of a 3D watershed with river mouth, continental islands, coral reef, and beach
Illustration of a 3D watershed with braided river, continental islands, coral reef, and beach
Illustration of reef base with volcanic island and barrier reef
Illustration of reef base with volcanic island and fringing reef
Please visit the Vecta Community to request this symbol.
If possible, please include the screenshot of the symbol.