Page 179 - Carbonate Platforms Facies, Sequences, and Evolution
P. 179

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                                                            (Northern Apennines)
                                                              Sibillini Mountains
                                                                                                                   (Northern Apennines)
                                                                                                                     Sibillini Mountains
                                                                    COMPLETE
                    Aptian
                                                                         Tithonian
                                                                                                                 Reduced  Sequence
                                                                                           but  lack of  subsidence  suggests
                                                                                          a  horizontal  detachment  surface
                                                                                             fault geometry is uncertain at  depth,
           water  depths  of  over a  kilometre;  Abruzzi  platform  remains  at  shallow  depths.
                                                                                                                               Isolated carbonate seamounts,  Italy
                                                                                                                          INCIPIENT  DROWNING
                                                                    DROWNING
                                                                                                          '
                                                                                                           ��
              tops  are  still  rather  shallow  as  shown  by  hermatypic  corals  but  carbonate  production  is  severely  reduced.
                                                                                                          t
                                                           (Central Apennines)
                                                                                                           I  -
                                                             Abruzzi  Platform
                                                                                                                   (Central Apennines)
                                                                                                           I
                                                                                                          � -
                        NO  VERTICAL EXAGGERATION
                                                                                                                    Abruzzi  Platform
                                                                              NO VERTICAL  EXAGGERATION
                                                                                                                               165
            drowning of the seamounts occurs and the basin is levelled off by the Aptian.  Entire northern Apennines Basin subsides to
                Fig.  11. (Cont.) (c) Stage  of incipient drowning continues into the Tithonian. Basins fill with pelagic sediments;  seamount
              (d)  Complete
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