The Krempachy Marl Formation is a geological formation in Poland and Slovakia, dating to about 179 million years ago, and covering the middle Toarcian stage of the Jurassic Period. It is among the most important formations of the Toarcian boundary on the Carpathian realm, being the regional equivalent of the Posidonia Shale.
Przełom Białki, near where strata of the formation appear
Hildaites specimen (from Italy)
Image: Teudopsis bollensis Naturalis
Image: Harpoceras NT
The Marne di Monte Serrone is a geological formation in Italy, dating to roughly between 181 and 178 million years ago, and covering the early and middle Toarcian stage of the Jurassic Period of central Italy. It is the regional equivalent to the Toarcian units of Spain such as the Turmiel Formation, units in Montenegro, such as the Budoš Limestone and units like the Tafraout Formation of Morocco.
Panoramic of Monte Serrone with the Jurassic in the background
Image: Otozamites molinianus
Image: Pagiophyllum rotzoanum