Abstract
ABSTRACTThe paper aims to describe and map the geomorphological and lithological features of the Gulf of Trieste and its eastern coasts and to define its neotectonic behaviour by means of the analysis of the morphoneotectonic evidence. The final map, produced at a scale of 1:30,000, shows the outcome of field investigations carried out along the coast and the sea bottom and a detailed geomorphological classification of the coastline. Published and new data coming from the analysis of archaeological remains, geomorphological and sedimentological sea-level indicators and geophysical researches are discussed in order to provide a complete overview of the study area.
Highlights
The Gulf of Trieste is an epicontinental semi-enclosed shallow marine basin in the NE Adriatic Sea, with a maximum depth of 25 m
This paper aims to present a 1:30,000 morphoneotectonic map (Main map) of the rocky coasts of the eastern sector of the Gulf of Trieste together with the lithological features of the sea bottom
This paper and related maps provide a review of the morphoneotectonic characteristics of the Gulf of Trieste during the late Holocene by means of published and new geological, geomorphological, sedimentological, geophysical and archaeological data
Summary
The Gulf of Trieste is an epicontinental semi-enclosed shallow marine basin in the NE Adriatic Sea, with a maximum depth of 25 m. The surface area of the gulf is about 600 km, with the water depth generally shallow, reaching a maximum of about 25 m in the central part of the gulf. The neotectonic behaviour of the Gulf was first highlighted during the 1980s by many authors, including Cucchi, Forti, and Semeraro (1979), Carulli et al (1980), Carobene and Carulli (1981), Zanferrari et al (1982), Cucchi, Forti, and Forti (1983), Slejko et al (1987), Carulli and Cucchi (1991), Del Ben, Finetti, Rebez, and Slejko (1991). The neotectonic behaviour of this area has been investigated using new instrumental data as well as sea-level markers. The neotectonic behaviour of this area has been investigated using new instrumental data as well as sea-level markers. Braitenberg, Nagy, Romeo, and Taccetti (2005) described the SE–NW tilting of the Karst plateau; Antonioli, Carulli, Furlani, Auriemma, and Marocco (2004), Antonioli et al (2007, 2009), Furlani et al (2011), Melis et al (2012) and Evelpidou, Pirazzoli, and Spada (2015) studied vertical tectonic rates using geomorphological, sedimentological and archaeological markers. Busetti et al (2010a), employing multichannel seismic surveys, provided the distribution of the main fault systems and the activity in the gulf during the Quaternary
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