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Detailed View - MER-B Sol 100 Object

The original NASA/JPL image link is here

Description:  crinoids stem segment

Apparent size: 2.5 mm

Common features:  compare to this terrestrial crinoid stem (also color picture)

 

 

Stacked frames:  none

Enhancement methods:  bright/contrast  difference

 

Summary description of image contents:  Distinct radial structures can be seen along with oval chambers, identical to terrestrial crinoid stem segment.  Usually made of calcite (calcium carbonate).

Stereo view:

Anaglyph view:

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