Scientists see inside rocks in 3D, implications for finding life on Mars

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A 650-million-year-old fossil from Kazakhstan. Top: optical image of fossil cyanobacterium. Middle: confocal optical image of the same fossil. Bottom L: close-up of section of confocal optical image. Bottom R: Raman chemical image of same boxed regio ...
A 650-million-year-old fossil from Kazakhstan. Top: optical image of fossil cyanobacterium. Middle: confocal optical image of the same fossil. Bottom L: close-up of section of confocal optical image. Bottom R: Raman chemical image of same boxed region. Credit: Dr. J. William Schopf/UCLA

UCLA paleobiologist J. William Schopf and colleagues have produced 3-D images of ancient fossils -- 650 million to 850 million years old -- preserved in rocks, an achievement that has never been done before.


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