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MH370 Search: Barnacles Could Provide Clues to Where Jet Crashed

Search for MH370: New airplane debris investigated 2:03

Barnacles encrusted on a piece of plane debris that washed up on the Indian Ocean island of Reunion might help unravel the 16-month mystery of missing Malaysia Airlines Flight MH370.

Malaysia said on Sunday the piece of debris, a wing surface known as flaperon, had been identified as being from a Boeing 777, the same model as the missing Malaysian plane.

Investigators in France are expected to determine whether the piece came from MH370 or not by Wednesday. MH370 is believed to have crashed in the southern Indian Ocean, about 2,300 miles away from Reunion.

Based on photographs, ecologists in Australia believe the crustaceans clinging to the wing piece are goose or stalk barnacles.

"Barnacle shells ... can tell us valuable information about the water conditions under which they were formed," said Ryan Pearson, a PhD student at Australia's Griffith University who is studying the shell chemistry of barnacles to determine migration patterns of endangered loggerhead turtles. The technique is also used to study the movement of whales.

FROM AUG. 1: Wing Flap Possibly Linked to MH370 Arrives in France For Testing 2:06

Experts analyze barnacle shells to determine the temperature and chemical composition of the water through which they passed to help reveal their origin.

While the technique could help narrow the area of the search for MH370 to within tens, or hundreds, of miles, it was unlikely to pinpoint an exact location, Pearson said.

Barnacles can be aged, based on growth rates and size. If the barnacles on the debris are older than the date MH370 went missing, it would rule it coming from that plane, said Melanie Bishop a professor at the Department of Biological Sciences, Macquarie University.

Ecologists would look at whether the barnacles were on the surface of the flaperon or confined to the sides as that could indicate whether the debris moved on the surface of the water or was submerged.

The investigators in France would also be on the lookout for other organisms such as tube worms, coralline red algae or shellfish that could also provide clues.

FROM AUG. 1: 'Very Likely' Debris is From MH370, Australian Official Says 2:27