Relationship between mass extinction and iridium across the Cretaceous-Paleogene boundary in New Jersey
Geology
By: K.G. Miller, Robert M. Sherrell, J.V. Browning, M.P. Field, W. Gallagher, R.K. Olsson, P. J. Sugarman, S. Tuorto, and H. Wahyudi
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Abstract
We directly link iridium (Ir) anomalies in New Jersey to the mass extinction of marine plankton marking the Cretaceous-Paleogene (K-Pg) boundary. We confirm previous reports of an Ir anomaly 20 cm below the extinction of Cretaceous macrofauna (the "Pinna" bed) with new results from a muddy sand section from Tighe Park, Freehold, New Jersey (United States), but we also show that Ir anomalies correlate with marine mass extinctions at three other clay-rich New Jersey sections. Thus, we attribute the anomaly at Freehold to the downward movement of Ir and reaffirm the link between impact and mass extinction. ?? 2010 Geological Society of America.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Relationship between mass extinction and iridium across the Cretaceous-Paleogene boundary in New Jersey |
| Series title | Geology |
| DOI | 10.1130/G31135.1 |
| Volume | 38 |
| Issue | 10 |
| Year Published | 2010 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geology |
| First page | 867 |
| Last page | 870 |
| Google Analytic Metrics | Metrics page |