Middle Triassic syntectonic sedimentation and volcanic influence in the central part of the External Dinarides, Croatia (Velebit Mts.)
Duje Smirčić, Dunja Aljinović, Uroš Barudžija, Tea Kolar‐Jurkovšek
Abstract
Mid dle Tri as sic de pos its in the Velebit Mts. of the Ex ter nal Dinarides in Croatia show strong dif fer en ti a tion of sed i men tary envi ron ments and fa cies. In the area of Donje Pazarite, a 90 metre thick sec tion in cludes six dif fer ent fa cies, each with its specific ge netic char ac ter is tics (Flysch-like Fa cies; Car bon ate Shale Fa cies; Pyroclastic Den sity Cur rent Fa cies; Platy Lime stone with Pyroclastics Fa cies; Lime stone Brec cia Fa cies and Slumped Lime stones with Pyroclastics and Chert Facies). In the same area, in the nearby Top of Donje Pazarite sec tion, a Pyroclastic Flow Fa cies was de fined, and this was also rec og nized ~15 km to south-east, in the area of Bruane Vil lage, in the foot hills of Vinac. Through out the area and section in ves ti gated, the ef fects of in tense tec tonic and vol ca nic ac tiv ity can be traced. The pro nounced dif fer ences in the fa cies de ter mined fa cies are in ter preted as con se quences of syntectonic and vol ca ni cally in flu enced sed i men ta tion in a graben/half-graben depositional sys tem.