Pulses of middle Eocene to earliest Oligocene climatic deterioration in southern California and the Gulf Coast
Palaios
By: N. O. Frederiksen
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Abstract
A general deterioration of terrestrial climate took place during middle Eocene to earliest Oligocene time in southern California and in the Gulf Coast. Pollen data, calibrated by calcareous nannofossil ages, indicate four events of rapid floral and/or vegetational change among angiosperms during this time interval. The events can be correlated between the two regions even though these regions lay within different floristic provinces, and each event of angiosperm change is interpreted to indicate a pulse of rapid climatic shift. The most distinct of these events is the Middle Eocene Diversity Decline, which resulted from a peak in last appearances (extinctions, emigrations) centered in the early Bartonian. -from Author
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Pulses of middle Eocene to earliest Oligocene climatic deterioration in southern California and the Gulf Coast |
| Series title | Palaios |
| Volume | 6 |
| Issue | 6 |
| Year Published | 1991 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Palaios |
| First page | 564 |
| Last page | 571 |
| Google Analytic Metrics | Metrics page |