Piece of andesite lava (~4 inches across) newly formed near Brimstone Pit
that shows elemental sulfur infilling the vesicles in the lava. [inset: Close-up
of the sulfur which would have been liquid as it fills the cavities and has
an origin in the magmatic gases sulfur dioxide (SO
2) and/or hydrogen
sulfide (H
2S).
Image courtesy of Submarine Ring of Fire
2006 Exploration, NOAA Vents Program
Related Links
Submarine Ring of Fire 2006
Submarine Ring of Fire 2006: April 25 Log
NOAA Ocean Explorer Gallery
Download high-resolution image (jpg, 3.7 Mb)
