As ROV Deep Discoverer (D2) explored a dive site with a number of methane seeps, D2 imaged something truly exciting—a potential hydrate tube with both oil and gas bubble seepage.
Tar Lily
Image courtesy of the NOAA Office of Ocean Exploration and Research, Exploration of the Gulf of Mexico 2014. Download larger version (jpg, 1.4 MB).

During a dive on sonar anomalies suspected to be a shipwreck, ROV D2 instead discovered the remnants of asphalt volcanoes.

Learn more