CHAPTER

1. Safire, W, and L. Safir (1982). Good Advice. New York: Quadrangle Books, (p. 44)

Officer, C. B., and C. L. Drake (1983). "The Cretaceous-Tertiary Transition." Science 219: 1383-1390. Officer, C B., and C L. Drake (1985). "Terminal Cretaceous Environmental Events." Science 227: 1161-116'.

Glen, W. (1982). The Road to Jaramillo. Stanford, Calif: Stanford University Press.

Berggren, W. A., D. V. Kent, et al. (1995). A Revised Cenozoic Geochronology and Chrono stratigraphy. Geochronology, Time Scales, and GlobalStratigraphic Correlation, eds. W. A. Berggren, D. V. Kent, M.-P. Aubry, and J. Hardenbol. Tulsa, Okla.: Society for Sedimentary Geology. 54:129-212.

Silver, L. T, and P. H. Schultz, Eds. (1982). Geological Implications of Impacts of Large Asteroids and Comets on the Earth. Boulder, Colo.: Geological Society of America.

Drake, C. (1982). "Impacts and Evolution Conference: Reports and Comments." Geology 10: 126-128.

Officer, C. B., and C. L. Drake (1983). "The Cretaceous-Tertiary Transition." Science 219: 1383-1390. (p. 1384)

Alvarez, W., L. W. Alvarez, et al. (1984). "The End of the Cretaceous: Sharp Boundary or Gradual Transition?" Science 223: 1 183-1186. Ibid.

Officer, C. B., and C. L. Drake (1983). "The Cretaceous-Tertiary Transition." Science 219: 1383-1390. (p. 1388)

Archibald, J. D., R. F. Butler, et al. (1982). "Upper Cretaceous-Paleocene Biostratigraphy and Magnetostratigraphy, Hell Creek and Tullock Formations, Northeastern Montana." Geology 10: 153-159. (p. 159) Alvarez, W., L. W. Alvarez, et al. (1984). "The End of the Cretaceous: Sharp Boundary or Gradual Transition?" Science 223: 1183-1186. (pp. 1183-1184)

Officer, C. B., and C. L. Drake (1983). "The Cretaceous-Tertiary Transition." Science 219: 1383-1390. (p. 1385) Ibid. (p. 1383)

Alvarez, W., L. W. Alvarez, et al. (1984). "The End of the Cretaceous: Sharp Boundary or Gradual Transition?" Science 223: 1183-1186. (p. 1186)

Wezel, F. G, S. Vannucci, et al. (1981). "Decouverte de divers niveaux riches en iridium dans 'la scaglia rossa' et 'la scaglia bianca' de l'Apennin d'Ombrie-Marches (Italie)." Comptes-Rendus des seances de I'Academie des Sciences, serie 2 293: 837-844.

Alvarez, W., L. W. Alvarez, et al. (1984). "The End of the Cretaceous: Sharp Boundary or Gradual Transition?" Science 223: 1 183-1186. (p. 1186)

Officer, C. B., and C. L. Drake (1985). "Terminal Cretaceous Environmental Events." Science 227: 1 161-116'. (p. 1161) Smit, J., and F. Kyte (1985). "Cretaceous-Tertiary Extinctions: Alternative Models." Science 230: 1292-1293. (p. 1292)

20. Crocket, J. H., C. B. Officer, et al. (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.

21. Rocchia, R., D. Boclet, et al. (1990). "The Cretaceous-Tertiary Boundary at Gubbio Revisited: Vertical Extent of the Iridium Anomaly." Earth and Planetary Science Letters 99: 206-219.

22. Alvarez, W., and E Asaro (1990). "An Extraterrestrial Impact." Scientific American 263: 78-84.

23. Ginsburg, R. N. (1995). Personal communication.

24. Anbar, A. D., G. J. Wasserburg, et al. (1996). "Iridium in Natural Waters." Science 273: 1524-1528.

25. Kerr, R. A. (1987). "Asteroid Impact Gets More Support." Science 236: 666-668. (p. 668)

26. Officer, C. B., and C. L. Drake (1985). "Terminal Cretaceous Environmental Events." Science 227: 1161-1167. (p. 1164)

27. Izett, G. A. (1990). The Cretaceous/Tertiary Boundary Interval, Raton Basin, Colorado and New Mexico, and Its Content of Shock-Metamorphosed Minerals. Boulder, Colo.: U.S. Geological Survey.

30. French, B. M., and N. W. Short, Eds. (1 968). ShockMetamorphism of Natural Materials. Baltimore: Mono Book Corporation.

31. French, B. M. (1985). "Cretaceous-Tertiary Extinctions: Alternative Models." Science 230: 1293-1294. (p. 1293)

32. Carter, N. L., C. B. Officer, et al. (1986). "Dynamic Deformation of Volcanic Ejecta from the Toba Caldera: Possible Relevance to Cretaceous/Tertiary Boundary Phenomena." Geology 14: 3 80-3 83.

33. Bohor, B., P. J. Modreski, et al. (1987). "Shocked Quartz in the Cretaceous-Tertiary Boundary Clays: Evidence for a Global Distribution." Science 236: 705-709.

34. Alexopoulos, J. S., R. A. F. Grieve, et al. (1988). "Microscopic Lamellar Deformation Features in Quartz: Discriminative Characteristics of Shock-Generated Varieties." Geology 16: 796-799.

35. Kerr, R. A. (1987). "Asteroid Impact Gets More Support." Science 236: 666-668. (p. 667)

37. Carter, N. L., and C. B. Officer (1989). "Comment and Reply on Microscopic Lamellar Deformation Features in Quartz: Discriminative Characteristics of Shock-Generated Varieties." Geology 17: 477-478. (p. 477)

38. Kerr, R. A. (1987). "Asteroid Impact Gets More Support." Science 236: 666-668. (p. 666)

39. Officer, C. B., and N. L. Carter (1991). "A Review of the Structure, Petrology, and Dynamic Deformation Characteristics of Some Enigmatic Terrestrial Structures." Earth-Science Reviews 30: 1-49. (p. 1)

41. Alexopoulos, J. S., R. A. F. Grieve, et al. (1988). "Microscopic Lamellar Deformation Features in Quartz: Discriminative Characteristics of Shock-Generated Varieties." Geology 16: 796-799. (abstract, pp. 6-7)

42. Smit, J., and G. Klaver (1981). "Sanidine Spherules at the Cretaceous-Tertiary Boundary Indicate a Large Impact Event." Nature 292: 47-49.

43. Montanari, A., R. L. Hay, et al. (1983). "Spheroids at the Cretaceous-Tertiary Boundary Are Altered Impact Droplets of Basaltic Composition." Geology 11: 668-671.

44. Wezel, F. C, S. Vannucci, et al. (1981). "Decouverte de divers niveaux riches en iridium dans 'la scaglia rossa' et 'la scaglia bianca' de l'Apennin d'Ombrie-Marche s (Italie)." Comptes-Rendus des seances de I'Academie des Sciences, serie 2 293: 837-844.

45. Naslund. H. R., C. B. Officer, et al. (1986). "Microspherules in Upper Cretaceous and Lower Tertiary Clay Layers at Gubbio, Italy." Geology 14: 923-926.

46. Browne, M. W. (January 19, 1988). "The Debate over Dinosaur Extinction Takes an Unusually Rancorous Turn." New York Times, pp. C1-C4. (p. C4)

47. Robin, E., D. Boclet, et al. (1991). "The Stratigraphic Distribution of Ni-Rich Spinels in Cretaceous-Tertiary Boundary Rocks at El-Kef (Tunisia), Caravaca (Spain) and Hole-761C (Leg-122)." Earth and Planetary Science Letters 107: 715-721.

48. Glen, W. (1994). The Mass Extinction Debates: How Science Works in a Crisis. Stanford, Calif: Stanford University Press, (p. 77)

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