lime-extracting

Updated: June 8, 2025

With this all cavities are filled in, and thus the action of the sea helps to consolidate and strengthen the reef. Other lime-extracting animalculæ and also seaweeds establish themselves on the reef. In the course of time the waves throw up loose blocks on the top of the reef, so that parts of it are always above the water-level.

Sven Anders Hedin - From Pole to Pole: A Book for Young People