Sedimentological and diagenetical conditions of the impact level of the Cretaceous/Tertiary boundary in Tunisia: No anoxia required;Conditions sédimentologiques et diagénétiques du niveau d'impact de l'astéroïde de la limite Crétacé-Tertiaire en Tunisie: Pas d'anoxie discernable

Bulletin de la Societe Geologique de France

Volumn 171, Issue 6, 2000, Pages 629-636

  Tribovillard, N ^a   Dupuis, C ^a   Robin, E ^a  

^a UNIV LILLE   (France)

Author keywords

Geochemistry; Impact level; Iridium; K T boundary; Tunisia

Indexed keywords

ANOXIC CONDITIONS; CRETACEOUS-TERTIARY BOUNDARY; IRIDIUM; JAROSITE; MASS EXTINCTION;

TUNISIA;

EID: 0034526399     PISSN: 00379409     EISSN: None     Source Type: Journal    
DOI: 10.2113/171.6.629     Document Type: Article

References (47)

1. A holistic geochemical approach to cyclomania: Example from Cretaceous pelagic limestone sequences
2. Sedimentary pyrite formation
3. The barite-opal-organic carbon association in oceanic particulate matter
4. Vanadium accumulation in carbonaceous rocks: A review of geochemical controls during deposition and diagenesis
5. Dinoflagellate cysts, sea level changes and planktonic foraminifers across the K/T boundary
6. Interstitial water trace-element chemistry of laminated sediments of the Gulf of California
7. The inorganic geochemistry of Cretaceous black shales (DSDP leg 41) in comparison to modern upwelling sediments from the Gulf of California
8. Contribution à l' étude stratigraphique de la Tunisie Centrale
9. Geochemistry of Recent oxic and anoxic sediment: Implication for the geological record
10. What happened to small benthic foraminifera at the Cretaceous/Tertiary boundary?
11. Source of carbonate and origin of zonation in pyritiferous carbonate concretions : Evaluation of a dynamic model
12. Rhenium and molybdenium enrichments in sediments as indicators of oxic. suboxic, and sulfidic conditions of deposition
13. Controls on the precipitation of early diagenetic calcite, dolomite and siderite concretions in complex depositional sequences
14. Inorganic geochemical indicators of glacial-interglacial changes in productivity and anoxia on the California continental margin
15. Suspended barite as a tracer of biological activity in the Southern Ocean
16. Suspended barite as a tracer of biological activity in the Southern Ocean
17. Mise en évidence de plusieurs événements à la limite K/T de la coupe de l'Aïn Settara (Tunisie centrale)
18. Biotic evolution and events across the Cretaceous-Tertiary (K-T) boundary in a newly discovered Aim Settara section in the Kalaat-Senan area (Central Tunisia)
19. Barium in deep-sea sediments: A geochemical proxy for paleoproductivity
20. Rock Eval pyrolysis
21. Relationship between inferred redox potential of the depositional environment and geochemistry of the upper Pennsylvanian (Missourian) Stark Shale Member of the Dennis Limestone
22. Pyritisation of trace metals in anoxic marine sediments
23. Influence of water-column anoxia on the burial and preservation of carbon and phosphorous in marine shales
24. Comparison of geochemical indices used for the interpretation of paleoredox conditions in ancient mudstones
25. Oceanic primary productivity and dissolved oxygen levels at the K/T boundary: Their decrease, subsequent warning and recovery
26. Francolite authigenesis in California continental slope sediments and its implication for marine P cycle
27. A petrographic approach for evaluating trace-element mobility in a black shale
28. Geo-chemistry of barium in marine sediments : Implications for its use as a pateoproxy
29. Simultaneous determination of IR and Se in K-T boundary clays and volcanic sublimates
30. Mass extinction in planktic foraminifera at the Cretaceous/Tertiary boundary in subtropical and temperate latitudes
31. Geochemistry of minor elements in the Monterey Fm. Cal.: Seawater chemistry of deposition
32. Geochemistry of the Phosphoria Formation at Montpelier Canyon, Idaho : Environment of deposition
33. Degree of pyritization as a paleoenvironmental indicator of bottom water oxygenation
34. Chemical model for the origin of minor limestone-shale cycles by anaerobic methane oxidation
35. International workshop on Cretaceous-Paleogene transitions in Tunisia: The El Kef stratotype for the Cretaceous-Paleogene boundary reconfirmed
36. Le spinelle nickélifère a la limite Crétacé-Tertiaire du site d'El Kef. Tunisie
37. The strategraphic distributions of Ni-rich spinels in Cretaceous-Tertiary boundary rocks at El Kef (Tunisia)
38. L'iridium à la limite Crétacé-Tertiaire du site d'El Kef. Tunisie
39. Barium equatorial high productivity and the northward wandering of the Indian continent
40. Condensation in an impact vapour plume: Estimates of gas and aerosol emissions generated by the Chicxulub impact
41. Barite formation in the Southern Ocean water column
42. Geochemical study of organic-rich cycles from the Kimmeridge Clay Formation of Yorkshire (G.B.): Productivity vs. anoxia
43. Possible diagenetic mobilisation of barium in sapropelic sediments from the eastern Mediterranean
44. Water depth and diagenetic constraints on the use of the barium as a paleoproductivity indicator
45. Thermodynamics and kinetics of reactions involving vanadium in natural systems : Accumulation of vanadium in sedimentary rock
46. Environmental influences on the chemical composition of shales and clays
47. The composition of the upper Earth's crust and the natural cycles of selected metals