Geologic framework of nonmarine cretaceous-tertiary boundary sites, Raton Basin, New Mexico and Colorado
Science
By: C. L. Pillmore, R.H. Tschudy, C. J. Orth, J. S. Gilmore, and J.D. Knight
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Abstract
Indium concentrations are anomalously high at the palynological Cretaceous-Tertiary boundary in fluvial sedimentary rocks of the lower part of the Raton Formation at several localities in the Raton Basin of New Mexico and Colorado. The iridium anomaly is associated with a thin bed of kaolinitic claystone in a discontinuous carbonaceous shale and coal sequence.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Geologic framework of nonmarine cretaceous-tertiary boundary sites, Raton Basin, New Mexico and Colorado |
| Series title | Science |
| DOI | 10.1126/science.223.4641.1180 |
| Volume | 223 |
| Issue | 4641 |
| Year Published | 1984 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Description | 4 p. |
| First page | 1180 |
| Last page | 1183 |
| Country | United States |
| State | Colorado, New Mexico |
| Other Geospatial | Raton Basin |