marine onlap

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Onlap — or overlap is the geologic phenomenon of successively younger rock strata extending progressively further across an erosion surface cut in older rocks. It is generally associated with a marine transgression. It is a more general term than… … Wikipedia
Paraná-Becken — Umrandet das Paraná Becken (oben) sowie das Chaco Paraná Becken Das Paraná Becken ist ein riesiges Sedimentbecken im zentralöstlichen Südamerika. Es erstreckt sich über das nordöstliche Argentinien, den zentralsüdlichen Teil Brasiliens, das… … Deutsch Wikipedia
Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… … Wikipedia
Gault Clay — The Gault Clay is a formation of stiff blue clay deposited in a calm, fairly deep water marine environment during the Lower Cretaceous Period (Upper and Middle Albian). It is well exposed in the coastal cliffs at Copt Point in Folkestone, Kent,… … Wikipedia

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