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Cambrian-Early Ordovician shale (Cabitza Shists) are separated from overlying Upper Ordovician-lower Carfoniferous
sedimentary cycle by sharp angular unconformity (Sardic phase) and overlain by trasgressive polygenic
metaconglomerate, the Puddinga Auct.
PhotoID422

Cambrian-Early Ordovician shale (Cabitza Shists) are separated from overlying Upper Ordovician-lower Carfoniferous
sedimentary cycle by sharp angular unconformity (Sardic phase) and overlain by trasgressive polygenic
metaconglomerate, the Puddinga Auct.
PhotoID422

Photograph: F.Milazzo

Reference: Luigi CARMIGNANI, Giacomo OGGIANO, Sebastiano BARCA, Paolo CONTI, Antonio ELTRUDIS, Antonio FUNEDDA, Sandro PASCI e Ilio SALVADORI GEOLOGY OF SARDINIA (Explanatory notes of the Geologic map of Sardinia at 1:200,000 scale) Martini, I.P., Tongiorgi, M., Oggiano, G. and Cocozza, T. 1991. Ordovician alluvial fan to marine shelf transition in SW Sardinia, Western Mediterranean Sea: tectonically (Sardic phase) influenced clastic sedimentation. Sedimentary Geology, 72: 97-115.