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A palynological zonation for the Paleocene of the Central North Sea Basin
| Schröder, T. | |
| 1992 | |
| J. Micropalaeontol. 11(2): 113-126J. Micropalaeontol. 11(2): 113-126 | |
| A palynological zonation for the Paleocene of the Central North Sea Basin |
Schröder, T., 1992; A palynological zonation for the Paleocene of the Central North Sea Basin. J. Micropalaeontol. 11(2): 113-126 ABSTRACT The proprietary palynological zonation developed by Shell U.K. Exploration and Production for the Paleocene of the North Sea Basin is formally released and described. Four main zones - in ascending order PT11, PT13, PT15 and PT19 - can be consistently recognised basin-wide from microplankton assemblages. The zonation for the central North Sea provides a further fourfold, mainly pollen-based, subdivision - PT19.1, PT19.2, PT19.3 and PT19.4 - of the prospective Forties Formation. Changes in climate may be considered a major influence over quantitative shifts in the Late Paleocene pollen spectrum and so it is reasonable to assume that such shifts may represent "time-lines"; hence the subzones may be valid over a much wider area than the central North Sea. J. Micropalaeontol., 11(2): 113-126, December 1992.