Impact dust not the cause of Cretaceous-Tertiary mass extinction

Geology

Volumn 30, Issue 2, 2002, Pages 99-102

  Pope, Kevin O ^a  

^a Geo Eco Arc Research   (United States)

Author keywords

Chicxulub crater; Cretaceous Tertiary boundary; Ejecta; Impact crater; Mass extinctions

Indexed keywords

GRAIN SIZE AND SHAPE; PHOTOSYNTHESIS; WIND;

CONDENSATION DROPLETS;

DUST;

CRATER; CRETACEOUS-TERTIARY BOUNDARY; DUST; EJECTA; IMPACT STRUCTURE; MASS EXTINCTION;

EID: 84874997045     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(2002)030<0099:IDNTCO>2.0.CO;2     Document Type: Article

References (39)

1. Extraterrestrial cause for the Cretaceous-Tertiary extinction
2. Emplacement of Cretaceous-Tertiary boundary shocked quartz from Chicxulub crater
3. Shocked quartz and more: Impact signatures in the Cretaceous/Tertiary boundary clays
4. Origin and diagenesis of K/T impact spherules-From Haiti to Wyoming and beyond
5. The size and abundance of shocked quartz in Cretaceous-Tertiary boundary sediments from the Pacific Basin
6. Influence of particle aggregation on deposition of distal tephra from the May 18, 1980 Mount St. Helens volcano
7. Impacts on Earth by asteroids and comets: Assessing the hazard
8. Global environmental effects of impact-generated aerosols: Results from a general circulation model
9. Global climatic effects of atmospheric dust from an asteroid or comet impact on Earth
10. Trace-element geochemistry and mineralogy of the Cretaceous/Tertiary boundary: Identification of extraterrestrial components
11. Model calculations of the proximal and globally distributed distal ejecta from the Chicxulub impact crater
12. Reduction of photosynthetically active radiation under extreme stratospheric aerosol loads
13. Proximal Cretaceous-Tertiary boundary impact deposits in the Caribbean
14. Chemistry and mineralogy across the Cretaceous/Tertiary boundary at DSDP Site 527, Walvis Ridge, South Atlantic Ocean
15. The Cretaceous/Tertiary boundary interval, Raton basin, Colorado and New Mexico, and its content of shock metamorphosed minerals: Evidence relevant to the K/T boundary impact-extinction theory
16. Provenance of mineral phases in the Cretaceous-Tertiary boundary sediments exposed on the southern peninsula of Haiti
17. Impact-induced perturbations of atmospheric sulfur
18. Nickel-rich magnesiowüstite in Cretaceous/Tertiary boundary spherules crystallized from ultramafic, refractory silicate liquids
19. The Cretaceous/Tertiary boundary on the Pacific plate: Composition and distribution of impact debris
20. The K/T boundary at Beloc (Haiti): Compared stratigraphic distributions of the boundary markers
21. Melt droplet formation in energetic impact events
22. Authigenesis of impact spheroids in the K/T boundary clay from Italy: New constraints for high-resolution stratigraphy of terminal Cretaceous events
23. Spheroids at the Cretaceous/Tertiary boundary are altered droplets of basaltic composition
24. Interaction of the Cretaceous/Tertiary bolide with the atmosphere, ocean, and solid Earth
25. Hydrocode modeling of oblique impacts: The fate of the projectile
26. Hydrocode simulation of the Chicxulub impact event and the production of climatically active gases
27. Origin and clay-mineral genesis of the Cretaceous/Tertiary boundary unit, western interior of North America
28. Energy, volatile production, and climatic effects of the Chicxulub Cretaceous/Tertiary impact
29. The atmospheric effects of El Chichon
30. Detritus in K/T boundary clays of western North America: Evidence against a single oceanic impact
31. Emplacement of pyroclastic flows: A review
32. The global stratigraphy of the Cretaceous-Tertiary boundary impact ejecta
33. "Tektites" and microkrystites at the Cretaceous/Tertiary boundary: Two strewn fields, one crater?
34. Tektite-bearing, deep-water clastic unit at the Cretaceous-Tertiary boundary in northeastern Mexico
35. Evolution of an impact-generated dust cloud and its effects on the atmosphere
36. Environmental perturbations caused by the impacts of asteroids and comets
37. Major wildfires at the K-T boundary
38. Atmospheric chemistry by large impacts