Sinuous Passage
Like a river, underground lava flows tend to meander back and forth and create passages somewhat sinusoidal as viewed from above. Such passages are characterized by the presence of cutbanks and aprons.. But a variety of other passage types are possible as well.
AUTHOR: Dave Bunnell
Sinuous passage 1 - Dave Bunnell
Sinuous passage 2 - Dave Bunnell - A rare tube passage filled with water
Sinuous passage 3 - Dave Bunnell
