FIG. 2.
Microbial mats from Azorean lava caves. (A) Yellow microbial mats coat the lava cave wall. (B) White and pinkish-tan microbial colonies from a lava cave wall. (C) White and tan colonies on a wall that is dripping water. (D) White and tan microbial colonies adorn a lavacicle on the cave ceiling. (E) Yellow and white microbial mats from a lava cave wall. Field of view is approximately 2.5
m (A), 5cm (B), 6cm (C), 2cm (D), and 4cm (E) across. Images courtesy of Kenneth Ingham; used with permission. Color images available online at www.liebertonline.com/ast
m (A), 5cm (B), 6cm (C), 2cm (D), and 4cm (E) across. Images courtesy of Kenneth Ingham; used with permission. Color images available online at www.liebertonline.com/ast