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. 2016 Sep 13;7:1384. doi: 10.3389/fmicb.2016.01384

FIGURE 1.

FIGURE 1

Oil-contaminated sediment cores, characterized by a red-brown layer at the top of the gray sediment. The photos show a representative core from the RV Oceanus cruise in September 2010 (A), core GIP16 collected in Mid-October 2010 (B), core MUC19 collected at the end of November 2010 (C), and core E01801 collected in July 2011 (D). Close-up of oil-derived marine snow flocs collected from the surface of 2010 September sediment, and spread in a Petri dish, with small dark oil droplets in millimeter size (E). Surface of MUC 19 without and with UV illumination, showing the bare surface of the sediments, and the green fluorescence sheen under UV, indicating petroleum hydrocarbons (F). Seafloor map of sampling sites around the Macondo wellhead (G).