| Abstract: | An empirically-based model is advanced using paleosol maturities to estimate the relative geologic time separating any stratigraphic levels within the lower Eocene Willwood Formation. The reviewed Willwood time stratigraphy from this analysis helps evaluate the nature, tempo, and possible causes of three major episodes of mammalian appearance and disappearance. These faunal events are directly correlated with certain apects of paleosol evolution in the Willwood Formation. That evolution is tied directly to climatic changes and to varying sediment accumulation rates in response to tectonism. -from Authors |
| Genre: | Article |
| ProdID: | 70017736 |
| Citation Author: | Bown, T. M.; Kraus, M. J. |
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| Citation End Page: | 80 |
| Citation Issue: | 1 |
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| Citation Language: | English |
| Citation Larger Work Title: | Palaios |
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| Citation Number Of Pages: | 13 |
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| Citation Search Results Text: | Time-stratigraphic reconstruction and integration of paleopedologic, sedimentologic, and biotic events (Willwood Formation, Lower Eocene, northwest Wyoming, USA); 1993; Article; Journal; Palaios; Bown, T. M.; Kraus, M. J. |
| Citation Start Page: | 68 |
| Citation Volume: | 8 |
| Citation Year: | 1993 |
| Type: | citation/reference |
| Text: | Time-stratigraphic reconstruction and integration of paleopedologic, sedimentologic, and biotic events (Willwood Formation, Lower Eocene, northwest Wyoming, USA); 1993; Article; Journal; Palaios; Bown, T. M.; Kraus, M. J. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Fri, 1 Jan 1993 00:00 -0600 |
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