Experimental evidence for the global acidification of surface ocean at the CretaceousPalaeogene boundary: The biogenic calcite-poor spherule layers

International Journal of Astrobiology

Volumn 8, Issue 3, 2009, Pages 193-206

  Premović, Pavle I ^a  

^a UNIVERSITY OF NI   (Serbia)

Author keywords

CretaceousPalaeogene boundary; Global acidification; Ocean; Spherule layer

Indexed keywords

ACIDIFICATION; CONFERENCE PROCEEDING; CRETACEOUS; DISSOLUTION; EXPERIMENTAL STUDY; PALEOGENE; SPHERULE;

AFRICA; EUROPE;

EID: 74149093359     PISSN: 14735504     EISSN: 14753006     Source Type: Journal    
DOI: 10.1017/S1473550409990139     Document Type: Conference Paper

References (142)

1. Alegret, L., Arenillas, I., Arz, J.A. & Molina, E. (2002a). Environmental changes triggered by the K/T impact event at Coxquihui (Mexico) based on foraminifera. Neues Jahrb. Geol. P-M. 5, 295-309.
2. Alegret, L., Arenillas, I., Arz, J.A., Liesa, C., Meléndez, A., Molina, E., Soria, A.R. & Thomas, E. (2002b). The Cretaceous/Tertiary boundary: sedimentology and micropaleontology at El Mulato section, NE Mexico. Terra Nova 14, 330-336.
3. Alegret, L. & Thomas, E. (2004). Benthic foraminifera and environmental turnover across the Cretaceous/Paleogene boundary at Blake Nose (ODP Hole 1049C, Northwestern Atlantic). Palaeogeogr. Palaeoecol. 208(1-2), 59-83.
4. Alegret, L., Kaminski, M.A. & Molina, E. (2004). Paleoenvironmental recovery after the Cretaceous/Paleogene boundary crisis : Evidence from the marine Bidart section (SW France). Palaios 19, 574-586.
5. Alegret, L. & Thomas, E. (2005). Cretaceous/Paleogene boundary bathyal paleo-environments in the central north Pacific (DSDP Site 465), the northwestern Atlantic (ODP Site 1049), the Gulf of Mexico and the Tethys: the benthic Foraminiferal record. Palaeogeogr. Palaeoecol. 224, 53-82.
6. Alegret, L., Ortiz, S., Arenillas, I. &Molina, E. (2005). Paleoenvironmental turnover across the Paleocene/Eocene boundary at the Stratotype section in Dababiya (Egypt) based on benthic foraminifera. Terra Nova 17, 526-536.
7. Alegret, L. & Thomas, E. (2007). Deep-Sea environments across the Cretaceous/Paleogene boundary in the eastern South Atlantic Ocean (ODP Leg 208, Walvis Ridge). Mar. Micropaleontol. 64, 1-17.
8. Alvarez, L.W., Alvarez, W., Asaro, F. & Michel, H.V. (1980). Extraterrestrial cause for the Cretaceous-Tertiary extinction. Science 208, 1095-1108.
9. Archer, D., Kheshgi, H. & Maier-Reimer, E. (1997). Multiple timescales for neutralization of fossil fuel CO2. Geophys. Res. Lett. 24, 405-408.
10. Arenillas, I., Arz, J.A., Molina, E. & Dupuis, C. (2000a). An independent test of planktic foraminiferal turnover across the Cretaceous/ Paleogene (K/P) boundary et El Kef, Tunisia: Catastrophic mass extinction and possible survivorship. Micropaleontology 46(1), 31-49.
11. Arenillas, I., Arz, J.A., Molina, E. & Dupuis, C. (2000b). The Cretaceous/ Paleogene (K/P) boundary at Aïn Settara, Tunisia: sudden catastrophic mass extinction in planktic foraminifera. J. Foraminiferal. Res. 30(3), 202-218.
12. Arenillas, I., Alegret, L., Arz, J.A., Liesa, C., Meléndez, A., Molina, E., Soria, A.R., Cedillo-Pardo, E., Grajales-Nishimura, J.M. & Rosales-Dominguez, C. (2002). Cretaceous-Tertiary boundary planktic foraminiferal mass extinction and biochronology at La Ceiba and Bochil, Mexico, and El Kef, Tunisia. In Catastrophic events and mass extinctions : Impacts and beyond, eds Koeberl, C. & MacLeod, K.G., Geol. Soc. Am. Spec. Pap. 356, 253-264.
13. Arenillas, I., Arz, J.A. & Molina, E. (2004). A new high-resolution planktic foraminiferal zonation and subzonation for the lower Danian. Lethaia 17, 79-95.
14. Arenillas, I., Arz, J.A., Grajales-Nishimura, J.M., Murillo- Muñetó n, G., Alvarez, W., Camargo-Zanoguera, A., Molina, E. & Rosales- Domínguez, C. (2006). Chicxulub impact event is Cretaceous/Paleogene boundary in age: New micropaleontological evidence. Earth Planet. Sci. Lett. 249, 241-257.
15. Arz, J.A., Alegret, L. & Arenillas, I. (2004). Foraminiferal biostratigraphy and paleoenvironmental reconstruction at Yaxcopoil-1 drill hole (Chicxulub crater, Yucatan Peninsula). Meteorit. Planet. Sci. 39, 1099-1111.
16. Bailey, J.V., Cohen, A.S. & Kring, D.A. (2005). Lacustrine fossil preservation in acidic environments: implications of experimental and field studies for the Cretaceous-Paleogene boundary acid rain trauma. Palaios 20, 376-389.
17. Beerling, D.J., Lomax, B.H., Royer, D.L., Upchurch, G.R. Jr. & Kump, L.R. (2002). An atmospheric pCO2 reconstruction across the Cretaceous- Tertiary boundary from leaf megafossils. Proc. Nat. Ac. Sci., USA 99, 7836-7840.
18. Blackford, J., Austen, M., Halloran, P., Iglesias-Rodriguez, D., Mayor, D., Pearce, D. & Turley, C. (2007). Modelling the response of marine ecosystems to increasing levels of CO2. A report to Defra arising from the Advances in Marine Ecosystem Modelling Research Workshop, Plymouth UK (Feb 12-14, 2007).
19. Bohor, B.F. & Betterton, W.J. (1989). Glauconite spherules and shocked quartz at the K-T boundary in DSDP Site 603 B. Twentieth Lunar and Planetary Science Abstracts: Houston, Texas, Lunar Planet. Sci. Conf. Texas 20(1), 92-93.
20. Bralower, T.J., Premoli-Silva, I. & Malone, M.J. (2002). New evidence for abrupt climate change in the Cretaceous and Paleogene: An Ocean Drilling Program expedition to Shatsky Rise, northwest Pacific. Geol. Soc. Am. Today 12(11), 4-10.
21. Brett, R. (1992). The Cretaceous-Tertiary extinction: A lethal mechanism involving anhydrite target rocks. Geochim. Cosmochim. Acta 56, 3603-3606.
22. Broecker, W.S. & Peng, T.H. (1982). Tracers in the Sea, Eldigio Press, Palisades, New York.
23. Caldeira, K.G. & Rampino, M.R. (1990). Deccan volcanism, greenhouse warming, and the Cretaceous/Tertiary boundary. Geol. Soc. Am. Spec. Publ. 247, 117-123.
24. Caldeira, K.G. & Rampino, M.R. (1993). Aftermath of the end-Cretaceous mass extinction - possible biogeochemical stabilization of the carboncycle and climate. Paleoceanography 8, 515-525.
25. Caldeira, K.G. & Rau, G.H. (2000). Accelerating carbonate dissolution to sequester carbon dioxide in the ocean: Geochemical implications. Geophys. Res. Lett. 27, 225-228.
26. Caldeira, K. & Wickett, M. (2003). Anthropogenic carbon and ocean pH. Nature 425, 365.
27. Coccioni, R. & Marsili, A. (2007). The response of benthic foraminifera to the K/Pg boundary biotic crisis at Elles (northwestern Tunisia). Palaeogeogr. Palaeoecol. 255(1-2), 157-180.
28. Cowie, J.W., Zieger, W. & Remane, J. (1989). Stratigraphic commission accelerates progress, 1984-1989. Episodes 12(2), 79-83.
29. Crocket, J.H., Officer, C.B., Wezel, F.C. & Johnson, G.D. (1988). Distribution of noble metals across the Cretaceous/Tertiary boundary at Gubbio, Italy : Iridium variation as a constraint on the duration and nature of Cretaceous/Tertiary boundary events. Geology 16, 77-80.
30. Culver, S.J. (2003). Benthic foraminifera across the Cretaceous-Tertiary (K-T) boundary: a review. Mar. Micropaleontol. 14, 177-226.
31. D'Hondt, S., Pilson, M.E.Q., Sigurdsson, H., Hanson, A.K. & Carey, S. (1994). Surface-water acidification and extinction at the Cretaceous- Tertiary boundary. Geology 22(11), 983-986.
32. D'Hondt, S., Herbert, T.D., King, J. & Gibson, C. (1996). Planktic foraminifera, asteroids and marine production: Death and recovery at the Cretaceous-Tertiary boundary. In The Cretaceous-Tertiary Event and Other Catastrophes in Earth History, eds Ryder, G., Fastovsky, D. & Gartner, S., Geol. Soc. Am. Spec. Pap. 307, 303-317.
33. D'Hondt, S. (2005). Consequences of the Cretaceous/Paleogene mass extinction for marine ecosystems. Ann. Rev. Ecol. Evol. System. 36, 295-317.
34. Díaz-Martínez, E., Sanz-Rubio, E. & Martínez-Frías, J. (2002). Sedimentary record of impact events in Spain. Geol. Soc. Am. Spec. Pap. 356, 551-562.
35. Dupuis C. et al. (2001). The Cretaceous-Palaeogene (K/P) boundary in the Äin Settara section (Kalaat Senana, Central Tunisia): litological, micropalaentological and geochemical evidence. Bull. Inst. Royal Sc. Natur. Belg. Sc. de la Terre 71, 169-190.
36. Ekdale, A.A. & Bromley, R.G. (1984). Sedimentology and ichnology of the Cretaceous-Tertiary boundary in Denmark: Implications for the causes of the terminal Cretaceous extinction. J. Sed. Petrol. 54, 681-703.
37. Elliott, W.C. (1993). Origin of the Mg-smectite at the Cretaceous/Tertiary (K/T) boundary at Stevns Klint, Denmark. Clays Clay Miner. 41, 442-452.
38. Emiliani, C., Kraus, E.B. & Shoemaker, E.M. (1981). Sudden death at the end of the Mesozoic. Earth Planet. Sci. Lett. 55, 317-334.
39. Erbacher, J., Mosher, D., Malone, M.J. & the ODP Leg 207 Scientific Party (2004). Drilling probes past carbon cycle perturbations on the Demerara rise. EOS 85(6), 57-68.
40. Fornaciari, E., Guisberti, L., Luciani, V., Tateo, F., Agnini, C., Backman, J., Oddone, M. & Rio, D. (2007). An expanded Cretaceous-Tertiary transition in a pelagic setting of the Southern Alps (central-western Tethys). Palaeogeogr. Palaeoecol. 225, 98-131.
41. Fraiser, M.L. & Bottjer, D.J. (2007). Elevated atmospheric CO2 and the delayed biotic recovery from the end-Permian mass extinction. Palaeogeogr. Palaeoecol. 252, 164-175.
42. Galli, M.T., Jadoul, F., Bernasconi, S.M. &Weissert, H. (2005). Anomalies in global carbon cycling and extinction at the Triassic/Jurassic boundary: evidence from a marine C-isotope record. Palaeogeogr. Palaeoecol. 216, 203-214.
43. Gehlen, M., Gangsto, R., Schneider, B., Bopp, L., Aumont, O. & Ethe, C. (2007). The fate of pelagic CaCO3 production in a high CO2 ocean: a model study. Biogeosciences 4, 505-519.
44. Giblin, P. (1981). Mineralogy and geochemistry of the Cretceous/Tertiary boundary in Deep Sea Drilling Project Holes 465 and 465A. Init. Repts. Deep Sea Drill. Proj. 62, 851-853.
45. Griscom, D.L. & Beltran-Lopez, V. (2002). ESR Spectra of limestones from the Cretaceous-Tertiary boundary: Traces of a catastrophe. Adv. ESR Appl. 18, 57-64.
46. Guillemette, R.N. & Yancey, T.E. (2006). Microaccretionary and accretionary carbonate spherules of the Chicxulub impact event from Brazos River, Texas and Bass River, New Jersey. Lunar Planet. Sci. 37, 1779.
47. Haggerty, J., Sarti, M., von Rad, U., Ogg, J.G. & Dunn, D.A. (1986). Late Aptian to recent sedimentological history of the lower continental rise off New Jersey, Deep Sea Drilling Project Site 603. In Init. Repts DSDP 93, eds van Hinte, J.E. et al., pp. 1285-1304. US Government Printing Office, Washington.
48. Hansen, H.J. (1990). Diachronous extinctions at the K/T boundary. Geol. Soc. Am. Spec. Pap. 247, 417-423.
49. Hansen, H.J. (1991). Diachronous disappearance of marine and terrestrial biota at the Cretaceous-Tertiary boundary. Contr. Paleontol. Museum Univ. Oslo 364, 31-32.
50. Hamilton, N. (1982). Cretaceous/Tertiary boundary studies at deep sea drilling project Site 516, Rio Grande Rise, South Atlantic: A synthesis. In Init. Repts DSDP 72, eds Barker, P.F., Carlson, R.L. & Johnson, D.A., pp. 949-952. US Government Printing Office, Washington.
51. Hart, M.B., Fiest, S.E., Price, G.D. & Leng, M.J. (2004). Reappraisal of the K-T boundary succession at Stevns Klint, Denmark. J. Geol. Soc. 161, 885-892.
52. Hofmann, C., Feraud, G. & Courtillot, V. (2000). 40Ar/39 Ar dating of mineral separates and whole rocks from the Western Ghats lava pile : further constraints on duration and age of the Deccan traps. Earth Planet. Sci. Lett. 180, 13-27.
53. Hollis, C.J., Strong, C.P., Rodgers, K.A. & Rogers, K.M. (2003). Paleoenvironmental changes across the Cretaceous/Tertiary boundary at Flaxbourne River and Woodside Creek, eastern Marlborough. New Zealand. New Zeal. J. Geol. Geophys. 46, 177-197.
54. Hsü , K.J. et al. (1982). Mass mortality and its environmental and evolutionary consequences. Science 216, 249-256.
55. Hsü , K.J. & McKenzie, J. (1985). A strangelove ocean in the earliest Tertiary. In The carbon cycle and atmospheric CO2 : natural variations from Archean to the present (American Geophysical Union, Monograph 32), eds Sundquist, E.T. & Broecker, W.S., pp. 487-492.
56. Huber, B.T. (1991). Maastrichtian planktonic foraminifer biostratigraphy and the Cretaceous/Tertiary boundary at Hole 738C, Kerguelen Plateau (southern Indian Ocean). In Proc. Ocean Drill. Prog., Sci. Res., 119, eds Barron, J. et al. College Station, Texas, pp. 451-465.
57. Huber, B.T. & MacLeod, K.G. (2000). Abrupt extinction and subsequent reworking of Cretaceous planktonic foraminifera across the K/T boundary: Evidence from the subtropical Atlantic. Catastrophic events and mass extinction : Impacts and beyond, Lunar Planet. Sci. Inst. Cont., pp. 71-72.
58. Ingram, B.L. (1995). Ichthyolith strontium isotopic stratigraphy of deep-sea clays : Sites 885 and 886 (North Pacific transect). In Proc. Ocean Drill. Prog., Sci. Res., 145, eds Rea, D.K., Basov, L.A., Scholl, D.W. & Allan, J.F., pp. 399-412.
59. Ivanov, B.A., Badjukov, O.I., Yakovlev, M.I., Gerasimov, M.V., Dikov, Y.P., Pope, K.O. & Ocampo, A.C. (1996). Degassing of sedimentary rocks due to Chicxulub impact: hydrocode and physical simulations. In The Cretaceous-Tertiary event and other catastrophes in Earth history, eds Ryder, G., Fastovsky, D. & Gartner, S., pp. 125-139. Geol. Soc. Am.
60. Kaminski, M.A., Armitage, D.A., Jones, A.P. & Coccioni, R. (2008). Shocked diamonds in agglutinated foraminifera from the Cretaceous/ Paleogene Boundary, Italy - a preliminary report. In Proc. 7th international workshop on agglutinated foraminifera, eds Kaminski, M.A. & Coccioni, R., Grzybowski Foundation Special Publication 13, 57-61.
61. Keller, G., Li, L. & MacLeod, N. (1995). The Cretaceous/Tertiary boundary stratotype section at El Kef, Tunisia: how catastrophic was the mass extinctions? Palaeogeogr. Palaeoecol. 119, 221-254.
62. Keller, G., Stinnesbeck, W., Adatte, T. & Stü ben, D. (2003). Multiple impacts across the Cretaceous-Tertiary boundary. Earth Sci. Rev. 62, 327-363.
63. Keller, G., Adatte, T., Berner, Z., Harting, M., Baum, G., Prauss, M., Tantawy, A. & Stueben, D. (2007). Chicxulub impact predates K-T boundary: New evidence from Brazos, Texas. Earth Planet. Sci. Lett. 255, 339-356.
64. Kiessling, W. & Claeys, P. (2001). A geographic database approach to the KT boundary. In Geological and biological effects of impact events, eds Buffetaut, E. & Koeberl, C., pp. 83-140. Springer, Berlin.
65. Klaver, G.T., van Kempen, T.M.G., Bianchi, F.R. & van der Gaast, S.J. (1987). Green spherules as indicators of the Cretaceous/Tertiary boundary in Deep Sea Drilling Project Hole 603B. In Init. Repts Deep Sea Drill. Proj. 93, eds van Hinte, J.E & Wise, S.W. Jr., pp. 1039-1056. US Government Printing Office, Washington, DC.
66. Kring, D.A. (2007). The Chicxulub impact event and its environmental consequences at the Cretaceous-Tertiary boundary. Palaeogeogr. Palaeoecol. 255, 14-21.
67. Kyte, F.T. & Wasson, J.T. (1985). Accretion rate of extraterrestrial matter: iridium deposited 33 to 67 million years ago. Science 232, 1225-1229.
68. Kyte, F.T., Bostwick, J.A. & Zhou, L. (1994). The KT boundary on the Pacific Plate. Proc. Lunar Planet. Sci. 1994, 64-65.
69. Kyte, F.T., Bostwick, J.A. & Zhou, L. (1995). Identification and characterization of the Cretaceous/Tertiary boundary at ODP Sites 886 and 803 and DSDP Site 576. Proc. Ocean Drill. Prog. Sci. Res. 145, 427-434.
70. Kyte, F.T., Bostwick, J.A. & Zhou, L. (1996). The Cretaceous-Tertiary boundary on the Pacific plate : Composition and distribution of impact debris. Geol. Soc Am. Spec. Pap. 389-401.
71. Lewis, J.S., Hampton Watkins, G., Hartman, H. & Prinn, R.G. (1982). Chemical consequences of major impact events on Earth. In Geological Implications of Impacts of Large Asteroids and Comets on the Earth, eds Silver, L.T. & Schultz, P.H., Geol. Soc Am. Spec. Pap. 190, 215-221.
72. Liu, Y-G. & Schmitt, R.A. (1996). Cretaceous-Tertiary phenomena in the context of seafloor rearrangements and p(CO2) fluctuations over the past 100 m.y. Geochim. Cosmochim. Acta 60, 973-994.
73. MacLeod, K.G., Whitney, D.L., Huber, B.T. & Koeberl, C. (2007). Impact and extinction in remarkably complete Cretaceous-Tertiary boundary sections from Demerara Rise, tropical western North Atlantic. Geol. Soc. Am. Bull. 119(1-2), 101-115.
74. Martinez-Ruiz, F., Ortega-Huertas, M., Kroon, D., Smit, J., Palomo, I. & Rocchia, R. (2001a). Geochemistry of the Cretaceous-Tertiary boundary at Blake Nose (ODP Leg 171B). Geol. Soc. London, Spec. Publ. 183(1), 131-148.
75. Martinez-Ruiz, F., Ortega-Huertas, M., Palomo, I. & Smit, J. (2001b). K/T boundary spherules from Blake Nose (ODP Leg 171B) as a record of the Chicxulub ejecta deposits. Geol. Soc. London, Spec. Publ. 183(1), 149-161.
76. Martínez-Ruiz, F., Ortega-Huertas, M. & Palomo, I. (2001c). Climate, tectonics and meteoritic impact expressed by clay mineral sedimentation across the Cretaceous-Tertiary boundary at Blake Nose, Northwestern Atlantic. Clays Clay Miner. 36(1), 49-60.
77. Martínez-Ruiz, F., Ortega-Huertas, M., Palomo, I. & Smit, J. (2002). Cretaceous-Tertiary boundary at Blake Nose (Ocean Drilling Program Leg 171B): a record of the Chicxulub impact ejecta. In Catastrophic Events and Mass Extinctions: Impacts and Beyond, eds Koeberl, C & MacLeod, K.G., Geol. Soc. Am. Spec. Pap. 356, 189-199.
78. Maruoka, T. & Koeberl, C. (2003). Acid-neutralizing scenario after the Cretaceous-Tertiary impact event. Geology 31, 489-492.
79. Meyers, P.A. (1987). Synthesis of organic geochemical studies, DSDP Leg 93, North American continental margin. In Init. Rep. Deep Sea Drill. Proj., 93, eds van Hinte, J.E & Wise, S.W., pp. 1333-1342. Washington, D.C.
80. Michel, H.V., Asaro, F., Alvarez, W. & Alvarez, L.W. (1990). Geochemical studies of the Cretaceous-Tertiary boundary in ODP Holes 689B and 690C. In Proc. Ocean Drill. Prog., Sci. Res., 113, eds Barker, P.F & Kennett, J.P., pp. 159-168. College Station, Texas.
81. Michel, H.V., Asaro, F. & Alvarez, W. (1991). Geochemical study of the Cretaceous-Tertiary boundary region at hole 752B. In Proc. Ocean Drill. Prog., Sci. Res. 121, eds Weissel, J., Peirce, J., Taylor, E & Alt, J., pp. 415-422. College Station, Texas.
82. Milliman, J.D., Troy, P.J., Balch, W.M., Adams, A.K., Li, Y.H. & Mackenzie, F.T. (1999). Biologically mediated dissolution of calcium carbonate above the chemical lysocline ? Deep Sea Res. Part I 46, 1653-1669.
83. Minoletti F., de Rafelis M., Renard, M., Gardin, S. & Young, J.R. (2005). Changes in the pelagic fine fraction carbonate sedimentation during the Cretaceous-Paleocene transition: contribution of the separation technique to the study of the Bidart section. Palaeogeogr. Palaeoecol. 216, 119-137.
84. Molina, E., Arenillas, I. & Arz, J.A. (1998). Mass extinction in planktic foraminifera at the Cretaceous/Tertiary boundary in subtropical and temperate latitudes. Bull. Soc. Géol. France 169, 351-363.
85. Molina, E., Alegret, L., Arenillas, I., Arz, J.A., Gallala, N., Hardenbol, J., von Salis, K., Steurbaut, E., Vandenberghe, N. & Zaghbib-Turki, D. (2006). The global stratotype section and point of the Danian stage (Paleocene, Paleogene, 'Tertiary ', Cenozoic) at El Kef, Tunisia: original definition and revision. Episodes 29, 263-278.
86. Montanari, A., Hay, R.L., Alvarez, W., Alvarez, L.W., Asaro, F., Michel, H.V. & Smit, J. (1983). Spheroids at the Cretaceous/Tertiary boundary are altered impact droplets of basaltic composition. Geology 11, 668-671.
87. Montanari, A. & Koeberl, C. (2000). Impact Stratigraphy: The Italian Record. (Lecture Notes in Earth Sciences 9). Springer, Berlin.
88. Morgan, J., Lana, C., Kearsley, A., Coles, B., Belcher, C., Montanari, S., Díaz-Martínez, E., Barbosa, A. & Neumann, V. (2006). Analyses of shocked quartz at the global K-P boundary indicate an origin from a single, high-angle, oblique impact at Chicxulub. Earth Planet. Sci. Lett. 251, 264-279.
89. Mukhopadhyay, S., Farley, K.A. &Montanari, A. (2001). A short duration of the Cretaceous-Tertiary boundary event: Evidence from extraterrestrial helium-3. Science 291, 1952-1955.
90. Nordt, L., Atchley, S. & Dworkin, S.I. (2002). Paleosol barometer indicates extreme fluctuations in atmospheric CO2 across the Cretaceous-Tertiary boundary. Geology 30, 703-706.
91. Norris, R.D., Kroon, D. & Klaus, A. (1998). Initial reports, Ocean Drilling Program, Leg 171B, pp. 749. College Station, TX.
92. Norris, R.D., Huber, B.T. & Self-Trail, J. (1999). Synchroneity of the K-T oceanic mass extinction and meteorite impact: Blake Nose, western North Atlantic. Geology 27, 419-422.
93. Norris, R.D., Firth, J., Blusztajn, J. & Ravizza, G. (2000). Mass failure of the North Atlantic margin triggered by the Creataceous-Paleogene bolide impact. Geology 28(12), 1119-1122. Ocean Drilling Program Publication Services (www-odp.tamu.edu/ publications/)
94. O'Keefe, J.D. & Ahrens, T.J. (1989). Impact production of CO2 by Cretaceous/Tertiary extinction bolide and the resultant heating of the Earth. Nature 338, 247-249.
95. Olsson, R.K., Miller, K.G., Browning, J.V., Habib, D. & Sugarman, P.J. (1997). Ejecta layer at the Cretaceous-Tertiary boundary, Bass River, New Jersey (Ocean Drilling Program Leg 174AX). Geology 25(8), 759-762.
96. Ortega-Huertas, M., Martínez-Ruiz, F., Palomo, I. & Chamley, H. (1995). Comparative mineralogical and geochemical clay sedimentation in the Betic Cordilleras and Basque-Cantabrian Basin areas at the Cretaceous-Tertiary boundary. Sediment. Geol. 94, 209-227.
97. Ortega-Huertas, M., Palomo, I., Martinez, F. & Gonsalez, I. (1998). Geological factors controlling clay mineral patterns across the Cretaceous-Tertiary boundary in Mediterranean and Atlantic sections. Clays Clay Miner. 33, 483-500.
98. Ortega-Huertas, M., Martínez-Ruiz, F., Palomo-Delgado, I. & Chamley, H. (2002). Review of the mineralogy at the Cretaceous-Tertiary boundary clay: Evidence supporting a major extraterrestrial catastrophic event. Clays Clay Miner. 37, 395-411.
99. Petersen, N., Heller, F. & Lowrie, W. (1984). Magnetostratigraphy of the Cretaceous/Tertiary Geological Boundary. DSDP Reports and Publications 73, 657-661.
100. Pierazzo, E., Kring, D.A. & Melosh, H.J. (1998). Hydrocode modelling of the Chicxulub impact event and the production of climatically active gases, J. Geophys. Res. 103, 28607-28625. (Pubitemid 128724734)
101. Pierazzo, E., Hahmann, A.N. & Sloan, L.C. (2003). Chicxulub and climate : Radiative perturbations of impact-produced S-bearing gases. Astrobiology 3, 99-118.
102. Pollastro, R.M. & Bohor, B.F. (1993). Origin and clay-mineral genesis of the Cretaceous/Tertiary boundary unit, western interior of North America. Clays Clay Miner. 41, 7-25.
103. Pope, K.O., Baines, K.H., Ocampo, A.C. & Ivanov, B.A. (1997). Energy, volatile production, and climatic effects of the Chicxulub Cretaceous/ Tertiary impact. J. Geophys. Res. 102, 21645-21664.
104. Premović , P.I., Pavlović , N.Z, Pavlović , M.S. & Nikolić , N.D. (1993). Physicochemical conditions of sedimentation of the Fish Clay from Stevns Klint, Denmark and its nature: Vanadium and other supportive evidence. Geochim. Cosmochim. Acta 57, 1433-1446.
105. Premović , P.I., Nikolić , N.D., Pavlović , M.S. & Panov, K.I. (2004). Geochemistry of the Cretaceous-Tertiary transition boundary at Blake Nose (N.W. Atlantic) : Cosmogenic Ni. J. Serb. Chem. Soc. 69(3), 205-223.
106. Premović , P.I., Todorović, B.Ž. & Stanković , M.N. (2008). Cretaceous- Paleogene boundary (KPB) Fish Clay at Hojerup (Stevns Klint, Denmark): Ni, Co and Zn of the black marl. Geol. Acta 6(4), 369-382.
107. Premović , P.I. (2009). The conspicuous red impact layer of the Fish Clay at Höjerup (Stevns Klint, Denmark). Geochem. Int+ (Geokhimiya) 5, 543-550.
108. Prinn, R.G. & Fegley, B. (1987). Bolide impacts, acid rain, and biospheric traumas at the Cretaceous-Tertiary boundary. Earth Planet. Sci. Lett. 83, 1-15.
109. Rasmussen, J.A., Heinberg, C. & Håkanson, E. (2005). Planktonic forminifers, biostratigraphy and the diachronous nature of the lowermost Danian Cerithium Limestone at Stevns Klint, Denmark. Bull. Geol. Soc. Denmark 52, 113-131.
110. Retalack, G.J. (2001). A 300-million-year record of atmospheric carbon dioxide from fossil plant cuticles. Nature 411, 287-290.
111. Robertson, D.S., Mckenna, M., Toon, O.B., Hope, S. & Lillegraven, J.A. (2004). Survival in the first hours of the Cenozoic. Geol. Soc. Am. Bull. 116, 760-763.
112. Robin, E., Boclet, D., Bonté , D., Froget, L., Jéhanno, C. & Rocchia, R. (1991). The stratigraphic distribution of Ni-rich spinels in Cretaceous- Tertiary boundary rocks at El Kef (Tunisia), Caravaca (Spain) and Hole 761 (Leg 122). Earth Planet. Sci. Lett. 107, 715-721.
113. Rocchia, R., Boclet, D., Bonté , P., Froget, L., Galbrun, B., Jéhanno, C. & Robin, E. (1992). Iridium and other element distributions, mineralogy, and magnetostratigraphy near the Cretaceous/Tertiary boundary in hole 761C. In Proc. Ocean Drill. Prog., Sci. Res. 122, eds von Rad, U. & Haq, B.U., pp. 753-762. College Station, Texas.
114. Sanders, D. (2003). Syndepositional dissolution of calcium carbonate in neritic carbonate environments: geological recognition, processes, potential significance. J. Afr. Earth Sci. 36, 99-134.
115. Schmitz, B. (1985). Metal precipitation in the Cretaceous- Tertiary boundary clay at Stevns Klint, Denmark. Geochim. Cosmochim. Acta 49, 2361-2370.
116. Schmitz, B., Asaro, F., Michel, H.V., Thierstein, H.R. & Huber, B.T. (1991). Element stratigraphy across the Cretaceous/Tertiary boundary in hole 738C. Proc. Ocean Drill. Prog. Sci. Res. 119, 719-730.
117. Schmitz, B., Keller, G. & Stenvall, O. (1992). Stable isotope changes across the Cretaceous-Tertiary Boundary at Stevns Klint, Denmark: arguments for long-term oceanic instability before and after bolide impact event. Palaeogeogr. Palaeoecol. 96, 233-260.
118. Schulte, P., Speijer, R.P., Mai, H. & Kontny, A. (2006). The Cretaceous- Paleogene (K-P) boundary at Brazos, Texas: Sequence stratigraphy, depositional events and the Chicxulub impact. Sediment. Geol. 184, 77-109.
119. Schulte, P., Deutsch, A., Salge, T., Berndt, J., Kontny, A., MacLeod, K.G., Neuser, R.D. & Krumm, S. (2009). A dual-layer Chicxulub ejecta sequence with shocked carbonates from the Cretaceous-Paleogene (K-Pg) boundary, Demerara Rise, western Atlantic. Geochim. Cosmochim. Acta 73(4), 1180-1204.
120. Seibel, B.A. &Walsh, P.J. (2001). Carbon cycle - Potential, impacts of CO2 injection on deep-sea biota. Science 294, 319-320.
121. Seibel, B.A. & Walsh, P.J. (2003). Biological impacts of deep-sea carbon dioxide injection inferred from indices of physiological performance. J. Exp. Biol. 206, 641-650.
122. Self, S., Thordarson, T. & Widdowson, M. (2005). Gas fluxes from flood basalt eruptions. Elements 1, 283-287.
123. Smit, J. (1982). Extinction and evolution of planktonic foraminifera after a major impact at the Cretaceous/Tertiary boundary. Geol. Soc. Am. Spec. Pap. 190, 329-352.
124. Smit, J. & Romein, A.J.T. (1985). A sequence of events across the Cretaceous-Tertiary boundary. Earth Planet. Sci. Lett. 74, 155-170.
125. Smit, J. & van Kempen, T.M.G. (1986). Planktonic foraminifers from the Cretaceous/Tertiary boundary at Deep Sea Drilling Project site 605, North Atlantic. In Init. Rep. Deep Sea Drill. Proj., eds Van Hinte, J.E & Wise, W., pp. 549-553. Government Printing Office 92, Washington, U.S.A.
126. Smit, J. (1999). The global stratigraphy of the Cretaceous Tertiary boundary impact ejecta. Ann. Rev. Earth Planet. Sci. 27, 75-113.
127. Smit, J., Van Der Gaast, S. & Lustenhouwer, W. (2004). Is the transition impact to post-impact rock complete ? Some remarks based on XRF scanning, electron microprobe and thin section analyses of the Yaxcopoil-1 core in the Chicxulub crater. Meteorit. Planet. Sci. 39, 1113-1126.
128. Surlyk, F. (1997). A cool-water carbonate ramp with bryozoan mounds: Late Cretaceous-Danian of the Danish Basin. In Cool-Water Carbonates, eds James, N.P & Clarke, J.A.D., pp. 293-307. SEPM Special Publications, Tulsa, Oklahoma.
129. Sutherland, F.L. (1994). Volcanism around K/T boundary time - its role in an impact scenario for the K/T extinction events. Earth Sci. Rev. 36, 1-26.
130. Strong, C.P., Brooks, R., Wilson, S., Reeves, R.D., Orth, C.J. & Mao, X.-Y. (1987). A new Cretaceous-Tertiary boundary site at Flaxbourne River, New Zealand: biostratigraphy and geochemistry. Geochim. Cosmochim. Acta 51, 2769-2777.
131. Stü ben, D., Kramar, U., Berner, Z., Stinnesbeck, W., Keller, G. & Adatte, T. (2002). Trace elements, stable isotopes and clay mineralogy of the K-T boundary section in Tunisia: indications for sea level fluctuations and primary productivity. Palaeogeogr. Palaeoecol. 178, 321-345.
132. Thierstein, H.R., Asaro, F., Ehrmann, W.U., Huber, B., Michel, H., Sakai, H. & Schmitz, B. (1991). The Cretaceous/Tertiary Boundary at Site 738, Southern Kerguelen Plateau. In Proc. Ocean Drill. Prog., Sci. Res. 119, eds Barron, J. Larsen, et al., pp. 849-867. College Station, Texas.
133. Trinquier, A., Birck, J.L. & Alle'gre, C.J. (2006). The nature of the KT impactor. A 54Cr reappraisal. Earth Planet. Sci. Lett. 241, 780-788.
134. Twitchett, R.J. (2006). The palaeocimatology, palaeoecology and palaeoenvironmental analysis of mass extinction events. Palaeogeogr. Palaeoecol. 232, 190-213.
135. Weissert, H. & Erba, E. (2004). Volcanism, CO2 and palaeoclimate : a Late Jurassic-Early Cretaceous carbon and oxygen isotope record. J. Geol. Soc. 161, 695-702 Part 4.
136. Wendler, J. & Willems, H. (2002). The distribution pattern of calcareous dinoflagellate cysts at the Cretaceous/Tertiary boundary (Fish Clay, Stevns Klint, Denmark)-Implications for our understanding of species selective extinction. In Catastrophic Events and Mass Extinctions : Impact and Beyond, eds. Koeberl, C. &Macleod, K.G., Geol. Soc. Am. Spec. Pap. 356, 265-277.
137. Wissler, L., Funk, H. & Weissert, H. (2003). Response of Early Cretaceous carbonate platforms to changes in atmospheric carbon dioxide levels, Palaeogeogr. Palaeoecol. 200, 187-205.
138. Zachos, J.C. et al. (2004). Proc. Ocean Drilling Program, Initial Reports, 208, pp. 1-112. Ocean Drilling Program, College Station, Texas.
139. Zachos, J.C., et al. (2005). Rapid acidification of the Ocean during the Paleocene-Eocene Thermal Maximum. Science 308, 1611-1615.
140. Zaghbib-Turki, D. & Karoui-Yaakoub, N. (2004). The Cretaceous-Tertiary (K-T) boundary in Elles and the other Tunisian outcrops. 32nd International Geological Congress, Florence, Italy, Field Trip Guide Book, P60, pp. 1-28.
141. Zahnle, K.J. (1990). Atmospheric chemistry by large impacts. In Global Catastrophes in Earth History; An Interdisciplinary Conference on Impacts, Volcanism, and Mass Mortality, eds Sharpton, V.L. & Ward, P.D., Geol. Soc. Am. Spec. Pap. 247, 271-288.
142. Zhou, L., Kyte, F.T. & Bohor, B.F. (1991). Cretaceous/Tertiary boundary of DSDP Site 596, South Pacific. Geology 19(7), 694-697.