Carbon Chemostratigraphy

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6 Terms

1
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Carbon concentrating mechanism (CCM)

autotrophic microcompartments that concentrate Co2 and catalyze C-fixation aiding in the increased fractionation between DIC and org C

2
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assumptions for C cycle mass balance

  • d13ccarb = d13cDIC

  • d13cvolc = d13criv (merge into one input flux)

  • d13Com is defined by average offset from carbonate (DeltaB = dorg - dcarb)

3
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Carbon cycle model equation

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4
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Carbon cycle model equation at long time scales

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5
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What happens to d13c when forg increases

d13c values increase to heavier values

6
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What fundamental law is the basis of stratigraphy

law of superposition