Tongan pumice reaches Great Barrier Reef | Pacific Beat

Dr Scott Ryan, a geologist from the University of Queensland, has published his findings this week in the journal PLoS One.

He told Isabelle Genoux that the eruption of Tonga's Home Reef volcano in 2006 left billions of pieces of pumice floating on the ocean that eventually got to Australia's Great Barrier Reef.

Presenter: Isabelle Genoux

Speaker:Dr Scott Ryan, a geologist from the University of Queensland