Page 6 - Catalano_et_al_1996

296 R. Cara/ano et al. j Tectonophysìcs 260 (1996) 291-323

(1990), Lentini et al. (1991a), Giunta (1993) have structural investigation associated with paleomag-
already described western and centrai Sici1y as a thin netic studies (Oidow et al., 1990; Channell et al.,
skinned imbricate wedge of Triassic to Lower Pleis- 1990) confirmed that large-scale clockwise rotations
tocene carbonate and siliciclastic rocks. Palinspastic of the thrust sheets (Channell et al., 1980) occurred
restorations suggested that the tectono-stratigraphic during the Late Miocene-Pliocene and were accom-
assemblages, now exposed in the chain, were part of panied by a progressive shifting in tectonic transport
the African margin characterized by carbonate plat- direction from east to south (Oidow et al., 1990).
forms and basins (Catalano and D' Argenio, 1978,
1982; Montanari, 1989; Oldow et al., 1990). Nappe The marine geology of the Sardinia Channe1-
transport in centrai and western Sicily began in the Sicily Straits region (main1y based on public multi-
Early Miocene and is documented by syntectonic channel seismic profiles calibrated by well logs,
deposits (Broquet, 1970; Catalano and D' Argenio, dredge hauls and other geophysical methods) has
been described by Barbieri et al., 1984; Finetti,
1978, 1982; Mascle, 1970, 1979). Contractional de-
formation was accompanied by the development of 1984; Torelli et al., 1985; Catalano, 1987; Argnani,
foreland basins and coeva! piggyback basins within 1989, 1990; Catalano et al., 1989a, 1993c; Tricart et
the chain (Catalano and D' Argenio, 1982; Catalano al., 1990; Antonelli et al., 1991; Torelli et al., 1991,
et al., 1989a; Oldow et al., 1990; Vitale, 1990). A 1992). These papers illustrated the main stratigraphic
and structural features, often providing more or less

--------- ANO -FACiES --- -- -- -----·
A N il-~-
-S- T R A T I G R A P H Y-------~--------- lT ES fD O M A I N S
M R LS
CALd A REN

( R ~ B_E R A_) ~------

T R u- !lO~Er~~~~i.~~~~~-~;=-~~- ~--- --:-:~: ----

---....:.--------~~..... - (TEl.LARO)

MAI'L5
(SAN CJ~RELLO)

l65 MEQA~ECCIA

SCAGUA CAI.CILIJTJTES
ANDMARLS

PLATF. MARLSAND ' Pt..ATFORM RADIOL.ARIAN LIMESTONES
UIS UMESTONES LA)
MARLS
CALPIONÌ:LLID
_144 LMS UIS BEOOEDCH:RTS

CALPIONELLID ,s._OPE CALC:~DrrES CALPIONELLID I;IMESTONejS
MARLYLMS
pARB~ (CfUSANTIJ
Late i
VOLC.I.NITES VOLCANITES YOL.C~NrTES
- '!c~M~ AMMONITitO ROSSO
l~ AMMOHITICO RADIOUAITES
0 ROSSO ANO

N AMMONITICO MARlS
ROSSO
o ~~
E""y

213

CHERTYLMS (SCIACCA) (GELA)

I.Md:l~ '.

f--

!Eari)'j

s -J24B

u~
~ i~ -E-a-~

;f.

DOMAINS

LOCATIONS

Fig. 5. Stratigraphy and facies domains of mainland of Sicily (time scale according to Harland et al., 1990).