Extensive degradation and fractionation of organic matter during subsurface weathering

Aquatic Geochemistry

Volumn 1, Issue 3, 1995, Pages 303-312

  Van Os, Bertil ^a,c   Middelburg, Jack J ^b   De Lange, Gert J ^a  

^a UTRECHT UNIVERSITY   (Netherlands)

^b NETHERLANDS INSTITUTE OF ECOLOGY NIOO KNAW   (Netherlands)

^c TNO   (Netherlands)

Author keywords

global biogeochemical cycles; iron; isotopic composition; manganese; organic matter; sulphur; weathering

Indexed keywords

ATMOSPHERIC OXYGEN; BIOGEOCHEMICAL CYCLE; GLOBAL BIOGEOCHEMICAL CYCLE; IRON; ISOTOPIC COMPOSITION; MANGANESE; ORGANIC MATTER; SULPHUR; WEATHERING;

ITALY, SICILY;

EID: 0029513221     PISSN: 13806165     EISSN: 15731421     Source Type: Journal    
DOI: 10.1007/BF00822494     Document Type: Article

References (32)

1. Biogeochemical cycles of carbon and sulphur and their effect on atmospheric oxygen over Phanerozoic time
2. A new model for atmospheric oxygen over Phanerozoic time
3. Quantitative foraminiferal analysis and environmental interpretation of the Pliocene and topmost Miocene on the south coast of Sicily
4. Subaerial weathering of sedimentary organic matter
5. Bogeochemistry of stable carbon isotopes
6. Processes controlling the organic carbon content of open ocean sediments
7. Industrialization affects heavy metal and carbon isotope composition in recent Baltic Sea sediments
8. Sedimentological and organic geochemical study of the Botneheia Formation, Svalbard, with a special emphasis on the effects of weathering on the organic matter in shales
9. Evidence from carbon isotopic measurements for diverse origins of sedimentary hydrocarbons
10. Coupling of the sedimentary sulphur and carbon cycles-an improved model
11. Global biogeochemical cycles; progress and problems
12. Sedimentary organic matter preservation: an assessment and speculative synthesis
13. Extension of the astronomically calibrated (polarity) time scale to the Miocene/Pliocene boundary
14. Late neogene laminated and opal-rich facies from the Mediterranean region:geochemical evidence for mechanisms of formation
15. Recognition of paleobiochemicals by a combined molecular sulphur and isotope geochemical approach
16. Effects of weathering on organic matter in shales
17. Quantification of loss of calcite, pyrite and organic matter due to weathering of Toarcian black shales and effects on kerogen and bitumen characteristics
18. Early diagenesis of marine organic matter: Alteration of the carbon isotopic composition
19. A flash pyrolysis and petrographic study of cutinite from the Indiana paper coal
20. Concentration of Mn and separation from Fe in sediments. I. Kinetics and stoichiometry of the reaction between birnessite and dissolved Fe(II) at 10°C
21. The diagenetic formation of metal-rich layers in sapropel-containing sediments in the eastern Mediterranean
22. Calcareous plankton biostratigraphy and biochronology of the Pliocene-Lower Pleistocene succession of the Capo Rosella area, Sicily
23. Reworked triterpenoid and steroid hydrocarbons in a recent sediment
24. Carbon isotopic compositions of 28,30-bisnorhopanes and other biological markers in a Monterey crude oil
25. Carbon isotope fractionation of sapropelic organic matter during early diagenesis
26. Possible diagenetic mobilization of barium in sapropelic sediment from the eastern Mediterranean
27. The formation of Pliocene sapropels and carbonate cycles in the Mediterranean: diagenesis, dilution and productivity
28. Early organic diagenesis; the significance of progressive oxidation fronts in pelagic sediments