Trace element patterns at a non-marine cretaceous-tertiary boundary
Nature
By: J. S. Gilmore, J.D. Knight, C. J. Orth, C. L. Pillmore, and R.H. Tschudy
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Abstract
At the fossil-pollen-defined Cretaceous-Tertiary boundary in the Raton Basin of New Mexico and Colorado, an iridium abundance anomaly and excess scandium, titanium, and chromium are associated with a thin ash or dust fallout bed (now kaolinitic clay) that was preserved in freshwater coal swamps. ?? 1984 Nature Publishing Group.
Suggested Citation
Gilmore, J.S., Knight, J., Orth, C.J., Pillmore, C.L., Tschudy, R., 1984, Trace element patterns at a non-marine cretaceous-tertiary boundary: Nature, v. 307, no. 5948, p. 224-228, https://doi.org/10.1038/307224a0.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Trace element patterns at a non-marine cretaceous-tertiary boundary |
| Series title | Nature |
| DOI | 10.1038/307224a0 |
| Volume | 307 |
| Issue | 5948 |
| Year Published | 1984 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Nature |
| First page | 224 |
| Last page | 228 |