New palynological data about middle Jurassic sediments in northwest Moscow

This work presents the results of palynological study of the section of hole nos. 1 and 5, which were drilled in northwest Moscow. The samples were selected from clays and sands of the Kudinovskaya, Moskvoretskaya, and Velikodvorskaya series, as hole as from karst caverns. As a result, two palynological complexes of Bathonian-Callovian age were recognized. The Bathonian complex is characterized by the predominance of spores (61%) over pollen (35%), mainly ferns of the Gleicheniaceae family and lycopsid spores of Neorastrikia. The Callovian complex was identified in the sequence of the Velikodvorskaya serie. It differs distinctly from the Bathonian complex by the presence of Classopollis pollen, whose quantity reaches 15%.