Sentences with phrase «etched rocks glass»
Etched Rocks Glass, GPS Coordinates, Wedding Coordinates Whiskey Glass, Wedding Scotch Glasses, Custom Wedding Glasses, Mr and Mrs Gift
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Radioactive dating of the uranium and lead found in the minerals (and organic carbon and light isotope carbon (C13) in bulk - rock carbonates) within the trace fossils that bacteria etched into the glass around 3.342 + / - 0.068 billion years ago (Jonathan Amos, BBC News, October 12, 2010; Fliegel et al, 2010; Grosch et al, 2009; and Furnes et al, 2004).)
Oldest known, bacterial «trace fossils» found as mineralized tubes with organic residues in undersea volcanic glass 3.34 billion years old, which were etched by «rock - eating» bacteria along cracks (more).