claystone Directory Indiana University Shale Research Lab, Dr. Juergen Schieber
research by Juergen Schieber on shales, microbial fossils, mars, planetary geology, microbe-sediment interactions, Devonian black shale, Chattanooga Shale, Ohio Shale, New Albany Shale, facies, mudstone, environment, sedimentology, anoxia.
Keyword: black shale , claystone , mudstone , mudstone sedimentology , photos , pictures , shale , shale sedimentology , terrigenous clastic

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