Close-up of the above coral branch, showing a cross-section of its growth bands. At very high resolution one can count these annual growth bands to determine age. This particular species deposits both a carbonate (light) and proteinacious (dark) material to form its skeleton.

Close-up of the above coral branch, showing a cross-section of its growth bands. At very high resolution, one can count these annual growth bands to determine age. This particular species deposits both a carbonate (light) and proteinacious (dark) material to form its skeleton. Image courtesy of Liz Baird, Deepwater Canyons 2013 - Pathways to the Abyss, NOAA-OER/BOEM/USGS.

Download high-resolution image (jpg, 5.6 Mb)

Related Links

Deepwater Canyons 2013: May 16 Log

Deepwater Canyons 2013: Pathways to the Abyss