Hauterivian

Rock type: 
Age: 
128 millions years

Low Cretaceous succession of Eastern Sardinia. Carbonatic shelf deposits: bioclastic limestones and marly limestones, oolitic and cherty limestones. Facies Urgoniana. Berriasian - Lower Albian.

Rock type: 
Age: 
135 millions years

Lower Cretaceous succession of Western Sardinia. Carbonatic shelf deposits: limestones, dolomitic limestones, oolitic limestones, and bioclastic limestones of sublittoral environment (facies "Urgoniana"; Dragonara Fm.), with benthic foraminifers, algae rudists, bryozoan, serpulids, at the base: paralic marly limestones and marls (facies "Purbeckiana"), with charophytes and ostracods. Lower Cretacous. Berriasian - lower Aptian. K1

Rock type: 
Age: 
120 millions years

Dark gray siltstones with weak fissuring. Ukturskaya series. Thickness - 800 meters. Accurate dating of age - no. Fossil - no. K1uk