She had been gripping the coarse coral limestone of the planter hard enough to bruise.

The substrate of the island is either directly volcanic or from uplifted coral limestone.

It is a low, dry, coral limestone island.

It is almost totally surrounded by 30-70 m high cliffs, consisting primarily of raised coral limestone.

Caves are approximately 240 m long, formed in coral limestone by karst processes.

The island is primarily raised coral limestone with some volcanic hills, covered in low forest.

Part of the volcano is flanked by coral limestones.

It is at this point that man excavates coral limestone for construction works.

Upon their return to headquarters, men were covering the front with sheets of coral limestone, two balls having passed through the house in the interval.

The island is mostly coral limestone with little topographical variation.