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S. Todaro et al. / Sedimentary Geology 333 (2016) 70–83 71
petrography and stable-isotope analyses, this study highlights the inter- thrust belt is well exposed (Fig. 1A, B). The San Vito Peninsula consists of
play between bioturbation, mixing-water dissolution and relative sea- an imbricate fan of thrust sheets that were stacked during late Miocene
level fluctuations as the principal controlling factors in the formation and Pliocene (Abate et al., 1991). The thrust system is in turn displaced
of the spongy-like pattern by NW–SE and NE–SW trending normal and strike-slip faults of Plio-
cene and Pleistocene ages that are related to the evolution of the south-
2. Geological Setting ern Tyrrhenian margin (Giunta et al., 2000). The stratigraphy of the
structural units in the San Vito Lo Capo Peninsula consists of thick
The study area is located in the San Vito lo Capo Peninsula, the north- successions, up to 1000 m, of peritidal carbonates, Late Triassic–earliest
westernmost part of Sicily, where a segment of the Maghrebian fold and Jurassic in age, that are overlain by Middle Jurassic to Eocene slope and
B Legend D
D Plio-Pleistocene deposits
- Tortonian-Messinian deposits
D Numidian Flysch Units
(Oligocene-Miocene)
fi='T9 Maghrebian Meso-Cenozoic
~ Units
........_ main thrusts
-=:!::.-. main strike slip faults
* studied locality
Golfo del Cofano
4Km
Golfo di
l mare
Scopello
c
Legend
·•·•·•· Detrital cover D Sciacca Formation (Upper Triassic)
•!•:•:•
D Ellipsactinia Limestone (Upper Jurassic)
""" Faults = Stromatolites Paleosols
D Rosso Ammonitico (Middle Jurassic)
D Studied locality &) Megalodonts ~ Collapsed breccias
@ Corals
• lnici Formation (Lower Jurassic)
Fig. 1. Geological setting of the studied area. A) The San Vito Lo Capo Peninsula (black rectangle) in a schematic structural map of Sicily. B) Structural setting of the San Vito Lo Capo
Peninsula showing the location of the Monte Sparagio structural unit: asterisk indicates the studied locality. C) Geological map of the northern slope of Monte Sparagio. D) Columnar
section of the succession of Monte Sparagio.