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(NASA Earth Observatory/Joshua Stevens)
▼ A gigantic floating raft of volcanic rock that emerged from an underwater volcano eruption in the Pacific Ocean is slowly drifting towards the Australian coast, heartening hopes it could benefit the imperilled Great Barrier Reef.
The massive pumice raft– over 20,000 football fields in size and composed of volcanic rock that's light enough to float on the surface of water – appeared only a few weeks ago, after a suspected underwater volcanic eruption near Tonga.
Satellite imagery first revealed the giant formationon the water's surface on August 9, corresponding with reports from sailors at the time.
But the most remarkable observations came from the crew of the Australian adventure catamaran ROAM, who found themselves adrift amidst the huge mass of floating rocks, "completely covering the ocean surface".
"Rubble slick made up of rocks from marble to basketball size such that water was not visible," the sailors wrote in a Facebook post.
"The rubble slick went as far as we could see in the moonlight and with our spotlight."
The same kind of experience was reported by (▪ ▪ ▪)
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