Gulf oil spill could hasten corrosion of shipwrecks

Metal parts decay more slowly in pristine water, study finds

3D scan with World War II U-boat

SUNKEN TREASURE  Oil spewed during the 2010 Deepwater Horizon spill may quicken the corrosion of historical shipwrecks such as the World War II U-boat U-166, pictured here in a 3-D scan of the seafloor.

BOEM/C&C Technologies, Inc.

NEW ORLEANS — Lingering oil from the Deepwater Horizon oil spill could hasten the destruction of historical shipwrecks in the Gulf of Mexico.