tektitesSmall, black, glassy pieces of sedimentary rock, melted by the impact of an ancient meteorite.Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
tektitesSmall, black, glassy pieces of sedimentary rock, melted by the impact of an ancient meteorite.Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited