Confirmation of a late Oligocene-early Miocene age of the Deseadan Salla Beds of Bolivia.
Journal of Geology
By: C.W. Naeser, E. H. McKee, N.M. Johnson, and B.J. Macfadden
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Abstract
Three new fission-track (zircon) and four new K-Ar (biotite) dates corroborate a late Oligocene-early Miocene age (22-28 Ma) for the Salla Beds of Bolivia. These ages contrast markedly with the previously accepted age of about 35 Ma for these strata and their contained faunas, and recasts of order and chronology of interchange between New World and Old World mammals.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Confirmation of a late Oligocene-early Miocene age of the Deseadan Salla Beds of Bolivia. |
| Series title | Journal of Geology |
| Volume | 95 |
| Issue | 6 |
| Year Published | 1987 |
| Language | English |
| Publisher | University of Chicago Press |
| Description | 4 p. |
| First page | 825 |
| Last page | 828 |
| Google Analytic Metrics | Metrics page |