Maestrichtian benthic foraminifers from Ocean Point, North Slope, Alaska ( USA).
Journal of Foraminiferal Research
By: K. McDougall
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Abstract
Previous studies of fauna and flora from Ocean Point, Alaska, have suggested ages ranging from Campanian to early Eocene and that these assemblages are either highly endemic or commonplace. I demonstrate that the moderately abundant benthic foraminifers constitute early Maestrichtian boreal assemblages common to Canada and northern Europe. Paleoenvironmental analysis indicates that deposition took place in outer neritic settings (50 to 150m). The Ocean Point benthic foraminiferal assemblages contain species that migrated from the US Gulf Coast, North American Interior and Europe during the Campanian, and from Europe during the Maestrichtian. These faunal affinities suggest that seaways connected the Arctic to the North American Interior and Atlantic during the Campanian and that a shallow seaway connected the Arctic to the Atlantic during the early Maestrichtian. - from Author
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Maestrichtian benthic foraminifers from Ocean Point, North Slope, Alaska ( USA). |
| Series title | Journal of Foraminiferal Research |
| DOI | 10.2113/gsjfr.17.4.344 |
| Volume | 17 |
| Issue | 4 |
| Year Published | 1987 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Foraminiferal Research |
| First page | 344 |
| Last page | 366 |
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