A giant raft of rock floating in the Pacific could help heal Australia’s Great Barrier Reef

Volcanic Rock In Pacific

A “raft” of floating pumice rock the size of Manhattan is drifting towards Australia, bringing along with it new marine life that could help with the recovery of the Great Barrier Reef’s corals, half of which have been killed in recent years …

https://www.cnn.com/2019/08/25/asia/pumice-stone-underwater-volcano-great-barrier-reef-intl/index.html