By: nova-an-slc
Image: Robin Rohrback, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 8 Jan 2021
Last Updated: 25 Jan 2021

593 megapixels
25,068 x 23,640 pixels
83.6 in X 78.8 in at 300dpi
6,366 pixels per inch

A light, frothy lava containing so many air cells that it floats readily on water. When this lava was still a molten liquid, it contained thousands of trapped air bubbles which were not able to escape until the lava hardened.