Abstract
The Lower Cretaceous paraflysch forms an outstanding, 250 km-long belt in the Vardar Zone. It is composed of a basal unit, uncomformable over Jurassic limestones and older rocks, and of two megasequences with the a clastic lower and clastic-carbonate upper member. In this study, We analyzed the orientation of the sedimentary bedding, cleavage and schistosity, fold hinges and axial surfaces and cleavage - bedding intersection lineation, were analysed. The area experienced two phases of folding, first with fold hinges oriented NNW and the second with hinges oriented WSW. The regularities of these structures and their relationships are, as shown by these investigations, only statistically to be used in practical study of fabric.
Highlights
The Vardar Zone, a very important and highly controversial member of the Balkan Peninsula geology, was investigated and described by numerous researchers, who gave it different importance, different affinities, different subdivisions and different geotectonics
According to DIMITRIJEVI] M.D. (1979, 2001), the Vardar Zone is defined as an oceanic zone between the Dinarides and Hellenides to the west and the Serbian-Macedonian Massif to the east
The idea of the Vardar Zone as the ”Internal Dinarides” was, abandoned a long time ago in the circle of researchers, which opened the way for earnest investigation of its importance and history (e.g., DIMITRIJEVI] M.D. 1997, 2001; KARAMATA, 2006)
Summary
The Vardar Zone, a very important and highly controversial member of the Balkan Peninsula geology, was investigated and described by numerous researchers, who gave it different importance, different affinities, different subdivisions and different geotectonics. Brdo area as shown by the Kriva Reka domain This domain, the southernmost outcropping part of the paraflysch, is composed of marginal units, the original relations with main part of the basin being not clear. The data of the field mapping, and the sedimentological and biostratigraphic investigations were presented by DOLI] et al (1981), FILIPOVI] et al (1978), FILIPOVI] & RODIN (1980), MALE[EVI] et al (1980), MARKOVI] et al (1968, 1985), PAVI] et al (1983), PAVLOVI] (1980), URO[EVI] et al (1973a, 1973b), and VUKANOVI] et al (1982). Based on all the available sedimentological and biostratigraphic data, the paraflysch was divided over the basal unit into six units. At Razbojna, Senonian rudites with globotruncanid limestones have been ascribed to this unit These deposits are characteristically disorganized, very poorly sorted, frequently monomictic to oligomictic in composition, with angular blocks, pointing to a very short and catastrophic sinking and deposition, without progressive abrasion typical for a transgression. That the opening of the trough began at the end of the Upper Jurassic, in a shallow sea with reefs which was attached to a large shallow open sea
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