OGATA , Kei

This work discusses the stratigraphy and facies analysis of the Ranzano Sandstone, in the northern Apennines (Italy), a confined low-efficiency turbidite system deposited in a series of small piggy-back basins, which show strong analogieswith intraslopeminibasins commonly observed in divergentmargins. The detailed physical stratigraphy of these...

We report here mass transport-related disruption processes and their artifacts within sedimentary mélanges. The case studies include the early Oligocene wedge-top mass transport deposits in the northern Apennines (Italy) and the Eocene foredeep carbonate megabreccias from the south-central Pyrenees (Spain). These "chaotic" units commonly share...

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Processi da trasporto in massa e relativi meccanismi deformativi nei mélange sedimentari In questa contributo presentiamo osservazioni sulle deformazioni legate a processi da trasporto in massa ed i loro prodotti all'interno dei mélange sedimentari. Gli esempi analizzati includono i depositi da trasporto in massa oligocenici affiornati nei...

Within the Eocene-Oligocene syn-orogenic deposits of the Epiligurian succession (Northern Apennines of Italy), a field-based study of the Specchio Unit (lower Rupelian) reveals that this complex is made up of three distinct but amalgamated mass-transport deposits (MTDs), the largest of which reaches a maximum volume of ca. 150 km3. These bodies...