The first Early Jurassic ammonite find in central Poland
Journal Title: Volumina Jurassica - Year 2014, Vol 12, Issue 1
Abstract
[i]Tragophylloceras [/i]cf. [i]loscombi [/i](Sowerby) has been found in the Kaszewy 1 borehole (central Poland), in the Upper Pliensbachian strata (Margaritatus Zone, Subnodosus Subzone), assigned to the Drzewica Formation. Hitherto, all ammonite finds in the epicontinental Lower Jurassic in Poland have been restricted to Western Pomerania (NW Poland). This find points to a wider extent of the transgressive event occurring in the late Margaritatus Zone, following widespread regression at the beginning of this zone. Rapid and pronounced sea level changes in the early Late Pliensbachian confirms the hypothesis linking these changes with glacioeustasy.
Authors and Affiliations
Grzegorz PIEŃKOWSKI
Keywords
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