Collected:Site C, Leipers
Shale in Nashville, Tennessee, USA, from Upper Ordivician
deposits.
Estimated Age: about 450 million years old.
Comments: Scale bar on first image is .5 mm Transcluscent
cone shows details of laminar structure, and basilar cavity still filled
with small amount of debris.
Page established 3-1-98, updated 3-1-98 -- copyright Jim Davison
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