After documenting the first asphault extrusion, D2 investigated a second sonar anomaly which turned out to be another tar lily.

 After documenting the first asphault extrusion, D2 investigated a second sonar anomaly which turned out to be another "tar lily." Image courtesy of NOAA Okeanos Explorer Program, Gulf of Mexico 2014 Expedition.

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Related Links

April 24 Log: The Asphalt Ecosystem of the Gulf of Mexico

Exploration of the Gulf of Mexico 2014

NOAA Ship Okeanos Explorer