| Abstract: | Six Atlantic Miocene siliceous microfossil zones are proposed based on onshore and offshore samples from the United States Atlantic Margin. Diatoms and silicoflagellates are used to establish the zones. These zones are from oldest to youngest: 1. Zone I Actinoptychus heliopelta Concurrent Range Zone - Early Miocene 2. Zone II Delphineis ovata Partial Range Zone - late Early to early Middle Miocene 3. Zone III Delphineis ovata/Delphineis penelliptica Concurrent Range Zone - early Middle Miocene 4. Zone IV Delphineis penelliptica Partial Range Zone - Middle Miocene 5. Zone V Delphineis penelliptica/Coscinodiscus plicatus Concurrent Range Zone - Middle Miocene 6. Zone VI Coscinodiscus plicatus Partial Range Zone - Middle Miocene. The six zones are easily traced along the Southern and Middle Atlantic Seaboard, but the older three are found for the most part between Cape Hatteras and New Jersey. There is some suggestion of sea-level change during Zone IV. Using rare planktonic diatoms that are index species from other regions and the zonal markers established in this study, correlation can be made with the Standard Foraminiferal Zones, the North Pacific Diatom Zones and with DSDP core 391A in the Blake-Bahama Basin. ?? 1978. |
| Genre: | Article |
| ProdID: | 70012599 |
| Citation Author: | Abbott, W. H. |
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| Citation End Page: | 34 |
| Citation Issue: | 1 |
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| Citation Language: | English |
| Citation Larger Work Title: | Marine Micropaleontology |
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| Citation Number Of Pages: | 20 |
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| Citation Search Results Text: | Correlation and zonation of miocene strata along the atlantic margin of North America using diatoms and silicoflagellates; 1978; Article; Journal; Marine Micropaleontology; Abbott, W. H. |
| Citation Start Page: | 15 |
| Citation Volume: | 3 |
| Citation Year: | 1978 |
| Type: | citation/reference |
| Text: | Correlation and zonation of miocene strata along the atlantic margin of North America using diatoms and silicoflagellates; 1978; Article; Journal; Marine Micropaleontology; Abbott, W. H. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sun, 1 Jan 1978 00:00 -0600 |
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