Page 80 - Carbonate Sedimentology and Sequence Stratigraphy
P. 80

CHAPTER 4: CARBONATE FACIES MODELS                                      71


































                  Fig. 4.17.— Distribution of major taxonomic groups of invertebrates with respect to salinity. After Flügel (2004), modified.

















                            lagoon and algal flats;   sand shoal:               slope and basin:
                              anhydritic dolomite  oolitic-oncolitic dol.  bitumin., well-beded dolom. + lst.

                                                                                                   sea level
                         salt






                          platform:                slope:            toe of slope
                     laminated anhydrite   breccias, synsedim. folds  graded beds in
                                                                                              basin:
                          (cm-scale)         in laminated anhydr. thin-laminated anhydr.
                                                                                       thin-laminated anhydr.
                            evaporites        carbonates                                    (mm-scale)






             Fig. 4.18.— Model of successive phases of carbonate, anhydrite and halite deposition in the Permian Zechstein basin of NW Europe.
           Carbonates are differentiated into platform, slope and basin floor. Anhydrite bodies show the same differentiation as indicated by
           depositional structures and variations in thickness. After Schlager and Bolz (1977).
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