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Early Pleistocene rocky coasts (Orvieto area, Western Umbria, Central Italy): facies analysis and sedimentation models

Auteur :
BIZZARRI, R.

Description :
Early Pleistocene (Santernian: MNN 19b-c Nannofossil Zones) coastal marine deposits related to rocky coast evolution have been described in a wide area near Orvieto (Umbria, Central Italy). Sediments range from boulders and blocks, to rounded pebbles and cobbles, to sands, silts and clays. Sedimentological analysis enables description of five main facies associations leading to identification of sea-cliff toe, beachface, upper and lower shoreface and offshore environments. The succession documents regressive-transgressive cycles. - (NF)


Type de document :
Article de périodique

Source :
Bollettino della Società geologica italiana, issn : 0037-8763, 2010, vol. 129, n°. 2, p. 251-268, nombre de pages : 18, Références bibliographiques : 51 ref.

Date :
2010

Editeur :
Pays édition : Italie, Roma, Società geologica italiana

Langue :
Anglais
Droits :
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