D'Angeli, Ilenia Maria and Sanna, Laura and Calzoni, Claudio and De Waele, Jo Hilaire Agnes (2015) Uplifted flankmargin caves in telogenetic limestones in the Gulf of Orosei (Central-East Sardinia—Italy) and their palaeogeographic significance. Geomorphology, Vol. 231 , p. 202-211. ISSN 0169-555X. eISSN 1872-695X. Article.
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Thiswork reports the results of geomorphological observations carried out in the coastal Fico Cave and surrounding
areas (Baunei, Central East Sardinia) in the Gulf of Orosei. A tidal notch, generally believed to be of Eemian
(MIS 5e) age, is barely visible at 8.5 above present sea level (asl), some metres below the main entrance of the
cave. Old cave passages, now partially opened by cliff retreat and parallel to the coastline, are clearly visible at
around 14 m asl and correspond to the main level of Fico Cave. Two more notches are located higher, at 22
and 50 m asl. Fico Cave itself is composed of at least 6 clearly distinguished more or less horizontal levels
(−10 m below present sea level (bsl), and +14, +22, +40, +50, and +63 m asl), independent of the stratal
dip, arguing for a sea-level, and hence, fresh-water lens control. Cave passages develop along main fractures
more or less parallel to the coastline and never extend landward for more than 150 m, mostly ending blindly,
or diminishing in their dimensions progressively landward. Most passages only contain clay deposits, lacking
fluvial or marine sediments or typical fluvial erosion morphologies (i.e. scallops).
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