[automatically translated] Il Foglio 593 "Castellammare del Golfo" of the Geological Map of Italy at scale 1: 50,000 has been realized within the CARG Project with funding from the Law 305/89, by an agreement between the National Geological Survey (now ISPRA) and Sicilian region. Il Foglio "Castellammare del Golfo" covers an area of 'ends northwestern Sicily and includes marine areas of the Gulf of Cofano, of St. Vitus Bay and the west-central portion of the Gulf of Castellammare, and also those based comprise the backbone of the Mountains Capo San Vito, from the large hilly area of Monte Luziano and Monte Forest, the massif of Monte Inici and the plateaus of the Plain of Castellammare, the Castelluzzo Piana and Piana di Sopra (Fig. 1). The geological map of the areas that emerged is the result of running the original surveys conducted in coastal areas and in most of the continental plus the contributions of the revision of measurements made in the peninsula of San Vito and made public previously. The entire surface was detected at 1: 10,000 scale topographic sections of the Regional Technical Map made available by the Sicilian Region, Department of Land and Environment, who also provided the aereofotogrammetrici reliefs on which the fotogeologiche analyzes were conducted. For detection of the sections has operated as prescribed by the Work Operational Program (POL) and in accordance with the instructions of the exercise book n ° 1, series III of the SGN particular care and detail have been reserved for mapping and classification of major disruption geomorphological products which also include deposits consistent affected by gravitational movements deep slope. The Pleistocene deposits were mapped with special attention as essential information for the control and protection of the territory, following the complex rules issued by the National Geological Survey (now ISPRA). In addition to the surface data, the findings of Sheet "Castellammare del Golfo" avail themselves of the results from the interpretation of subsurface data, calibrated by deep wells drilled on the edge of the sheet (Trapani 1 Alcamo 1). The submerged portion of the sheet 593, extended roughly 460 km2, it lies in the center-western sector of the Gulf of Castellammare, in the small bay north of San Vito and in the west in the Gulf of Cofano and includes areas of platform and continental slope (Fig. 1). The marine geological surveys were carried out by researchers at the Department of Geology and Geodesy of Marine Geology Group (responsible Prof. R. Catalano), University of Palermo, during the 1999-2002 triennium. The marine surveys have been conducted in compliance with the provisions of POL coordinated with the National Geological Survey and using a scale of 1: 25,000, built on the basis of digital bathymetric data furnished by the Navy Hydrographic (IIM) and bathymetric surveys unpublished collected and processed by the AA and validated with the dall'IIM 18/03/2003 communication. The measurements were extended to a wider area than that included in the sheet, in order to reconstruct the structure of the tectonic structures and to define a consistent stratigraphic framework valid also for the adjacent sheet 594-585 "Partinico-Mondello" forthcoming. marine area of the sheet is also presented an underlay paper containing the sequence stratigraphy of late Quaternary deposits and the most important submerged morphostructures.