![](http://www.alamy.com/thumbs/6/D3088E2D-C040-4DC5-9D22-A54A95071F9F/2BGJGWK.jpg)
Vesiculated trachylite, a glassy igneous rock (basalt) on an old lava flow, Hawaii.
Size: 5184px × 3456px
Location: Hawaii
Photo credit: © Thomas Goetz / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: basalt, basaltic, bubbles, cooling, flow, gas, glass, glassy, igneous, lava, mafic, molten, rapid, rock, trachylite, trachylyte, vesiculated, volcanic