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Could mass of floating seaborne pumice help replenish depleted reef life in Great Barrier Reef MP?

MELBOURNE, Australia — The first thing the sailors noticed was the smell of sulfur.

Then, Larissa Brill and Michael Hoult, a couple sailing in the southwestern Pacific Ocean, saw it: a floating mass of volcanic rocks, with some boulders as large as basketballs, blanketing the ocean as far as their boat’s spotlight could illuminate.

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