Sea-floor methane blow-out and global firestorm at the K-T boundary
Geo-Marine Letters
By: M.D. Max, William P. Dillon, C. Nishimura, and B.G. Hurdle
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Abstract
A previously unsuspected source of fuel for the global firestorm recorded by soot in the Cretaceous-Tertiary impact layer may have resided in methane gas associated with gas hydrate in the end-Cretaceous seafloor. End-Cretaceous impact-generated shock and megawaves would have had the potential to initiate worldwide oceanic methane gas blow-outs from these deposits. The methane would likely have ignited and incompletely combusted. This large burst of methane would have been followed by longer-term methane release as a part of a positive thermal feedback in the disturbed ocean-atmosphere system.
Suggested Citation
Max, M., Dillon, W.P., Nishimura, C., and Hurdle, B., 1999, Sea-floor methane blow-out and global firestorm at the K-T boundary: Geo-Marine Letters, v. 18, no. 4, p. 285-291, https://doi.org/10.1007/s003670050081.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sea-floor methane blow-out and global firestorm at the K-T boundary |
| Series title | Geo-Marine Letters |
| DOI | 10.1007/s003670050081 |
| Volume | 18 |
| Issue | 4 |
| Year Published | 1999 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Woods Hole Coastal and Marine Science Center |
| Description | 7 p. |
| First page | 285 |
| Last page | 291 |