Mineral surface control of organic carbon in black shale.

  title={Mineral surface control of organic carbon in black shale.},
  author={Martin J. Kennedy and David R. Pevear and Ronald J. Hill},
  volume={295 5555},
We show that 85% of variation in total organic carbon can be explained by mineral surface area in a black shale deposit from two locations in the late Cretaceous Western Interior Seaway, United States. This relation suggests that, as in modern marine sediments, adsorption of carbon compounds onto clay mineral surfaces played a fundamental role in the burial and preservation of organic carbon. Our data also provide evidence for organic matter within the smectite interlayer. This association… CONTINUE READING


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