Geoscience Reference
In-Depth Information
46. Kerr, R. (1994). "Testing an Ancient Impact's Punch."
Science
263:
1371-1372. (p. 1372)
47. Bohor, B., W. J. Betterton, et al. (1993). "Impact-Shocked Zircons:
Discovery of Shock-Induced Textures Reflecting Increasing Degrees of
Shock Metamorphism."
Earth and Planetary Science Letters
119:
419-424.
48. Krogh, T. E., S. Kamo, et al. (1993). "U-Pb Ages of Single Shocked
Zircons Linking Distal K/T Ejecta to the Chicxulub Crater."
Nature
366:
731-734.
49. Ibid. (p. 731)
50. Kamo, S. L., and T. E. Krogh (1995). "Chicxulub Crater Source for
Shocked Zircon Crystals from the Cretaceous-Tertiary Boundary Layer,
Saskatchewan; Evidence from New U-Pb Data."
Geology
23:
281-284.
CHAPTER 8
1. Darwin, C (1964 Facsimile Edition). On
the Origin of Species by Means of
Natural Selection.
Cambridge, Mass.: Harvard University Press, (pp.
319-320)
2. Alvarez, L. W. (1983). "Experimental Evidence That an Asteroid Impact
Led to the Extinction of Many Species 65 Million Years Ago."
Proceedings
of the National Academy of Sciences
80: 627-642. (p. 632)
3. Darwin, C. (1964 Facsimile Edition). On
the Origin of Species by Means of
Natural Selection.
Cambridge, Mass.: Harvard University Press.
(pp. 316-317)
4. Ibid. (p. 159)
5. Ibid. (p. 317)
6. Raup, D. M. (1992).
Extinction: Bad Genes or Bad Luck?
New York:
Norton.
7. Raup, D. M. (1994). "The Role of Extinction in Evolution."
Proceedings of
the National Academy of Sciences of the United States of America
91:
6758-6763. (p. 6758)
8. Jablonski, D. (1986). Causes and Consequences of Mass Extinctions;
a Comparative Approach.
Dynamics of Extinction,
ed. D. K. Elliott. New
York: John Wiley, pp. 183-229.
9. Raup, D. M., and J. J. Sepkoski, Jr. (1984). "Periodicity of Extinctions in
the Geologic Past."
Proceedings of the National Academy of Sciences of the
United States of America
81(3): 801-805.
10. Raup, D. M. (1992).
Extinction: Bad Genes or Bad Luck?
New York: Norton.
11. Signor, P. W. I., and J. H. Lipps (1982). Sampling Bias, Gradual Extinction
Patterns, and Catastrophes in the Fossil Record.
Geological Implications of
Impacts of Large Asteroids and Comets on the Earth,
eds. L. T. Silver and
P. H. Schultz. Boulder, Colo.: Geological Society of America. (Special
Paper 190: 291-296.)
Ibid.
Ibid. (p. 292)
12
13
