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New micropaleontological and palynological evidence on the stratigraphic position of the 'German Wealden' in NW Germany
| Strauss, C., Elstner, F., Jan du Chêne, R., Mutterlose, J., Reiser, H. and Brandt, | |
| 1993 | |
| Zitteliana 20: 389-401 | |
| New micropaleontological and palynological evidence on the stratigraphic position of the 'German Wealden' in NW Germany |
Strauss, C., Elstner, F., Jan du Chêne, R., Mutterlose, J., Reiser, H. and Brandt, K.-H., 1993; New micropaleontological and palynological evidence on the stratigraphic position of the 'German Wealden' in NW Germany. Zitteliana 20: 389-401 An integral micropaleontological and palynological investigation of a fairly complete section of the B³ckeberg Formation provided new evidence for its precise correlation with the Boreal and Tethyan stratigraphic standard scales. For the uppermost, Wealden3" and lowermost, Wealden 4" a Late Ryazanian age can be assumed by calibrating dinocyst and ostracode data with the Boreal ammonite zonation. Similarly, a (Late?) Early Valanginian age is assumed for the interval from the Upper, Wealden 5" to the top of Wealden 6" by calibrating dinocyst range bases with Boreal and Tethyan ammonite zones. In the light of a new chronostratigraphic approach of the Tethyan Lower Cretaceous, a preliminary sequence stratigraphic subdivision is given based on lithological and palynofacies data.