20.500.12556/DiRROS-14798 The Sistiana Fault and the Sistiana Bending Zone (SW Slovenia) Sesljanski prelom in sesljanska upogibna cona The Sistiana Fault is an alleged disjunctive deformation of Microadria in the sea bottom of the Gulf of Trieste. Onshore, it is visible only in the Sistiana Bay, but towards the northeast it soon pinches-out, in structural-geometric terms it diminishes soon after the crossing of the thrust boundary of the Dinarides, or the Istrian-Friuli Underthrustig Zone, respectively. Further to the northeast, only the bending zone is developed in the External Dinarides, which stretches all the way from the Sistiana Bay to the Idrija-Žiri area. We named it the Sistiana Bending Zone. Its direction can be determined based on geological maps and is around 60°, so we conclude that the Sistiana Fault should extend approximately in this direction. In the bending zone, the Trieste-Komen Anticlinorium, the Vipava Synclinorium, the Trnovo Nappe opposite to the Hrušica Nappe and the Raša and Idrija Faults are laterally bent. The size of the bend is the largest in the Sistiana Bay, and in the east-northeast direction it decreases linearly. The general geological circumstances suggest that the Sistiana Fault has not been recently active. Sesljanski prelom je domnevna disjunktivna deformacija Mikroadrije v podmorju Tržaškega zaliva. Na površju je viden le v Sesljanskem zalivu, vendar se proti severovzhodu kmalu izklini, v strukturno-geometrijskem smislu izzveni kmalu zatem, ko preseka narivno mejo Dinaridov, oziroma istrsko-furlansko podrivno cono. Naprej proti severovzhodu je v Zunanjih Dinaridih razvita le še upogibna cona, ki se vleče vse od Sesljanskega zaliva do idrijsko-žirovskega ozemlja. Imenujemo jo sesljanska upogibna cona. Njena smer je določljiva na podlagi podatkov geoloških kart in znaša okoli 60°, zato sklepamo, da naj bi Sesljanski prelom potekal približno v tej smeri. V upogibni coni so bočno upognjeni Tržaško-Komenski antiklinorij, Vipavski sinklinorij, Trnovski pokrov nasproti Hrušiškemu pokrovu ter Raški in Idrijski prelom. Velikost upogiba je največja v Sesljanskem zalivu, proti vzhodu-severovzhodu pa se linearno manjša. Iz splošne geološke slike izhaja domneva, da Sesljanski prelom recentno ni aktiven. Sistiana Fault Sistiana Bending Zone adjusting fault Adria Microplate Gulf of Trieste Sesljanski prelom sesljanska upogibna cona izravnalni prelom Jadranska mikroplošča Tržaški zaliv true false true Geološki zavod Slovenije Angleški jezik Slovenski jezik Delo ni kategorizirano 2022-03-09 09:36:30 2022-03-09 10:06:07 2022-08-20 03:37:58 0000-00-00 00:00:00 2021 0 0 str. 221-252 no . 2 vol. 64 2021 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 551.2 0016-7789 10.5474/geologija.2021.013 92525315 1818-Article_Text-12342344-1-10-20211227.pdf 1818-Article_Text-12342344-1-10-20211227.pdf 1 8B63F6FEC9A6A018D3EA3C5FFBE1D25D 46a939a5a941e0353e0aef05e0b5981fc3f5fbc3c38b5f71d702481b57fd9d4f d5b5b752-17b6-11ed-b6b8-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=19079 Geološki zavod Slovenije 0 0 0