Page 204 - Fundamentals of Geomorphology
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Frozen




























                                                       Frozen

              Figure 8.2 World distribution of carbonate rocks.
              Source: Adapted from Ford and Williams (1989, 4)


                                                    Impurities
                                                   (100 per cent)





                                                     Rocks
                                                    with some
                                        cent)       carbonate        Impurities
                                       (per  50  (e.g. calcareous sandstone)  50
                                   Impurities                           (per cent)

                                              Calcareous  Dolomitic
                                    Dolomite   dolomite   limestone  Limestone
                                    (impure)   (impure)   (impure)   (impure)


                                  10                                       10
                            Dolomite (pure)  Calcareous dolomite  Dolomitic limestone  Limestone (pure)
                             Mineral  10              50                90   Mineral
                             dolomite       Calcite as a percentage of carbonate  calcite
                           (100 per cent)                                  (100 per cent)
              Figure 8.3 Classification of carbonate rocks.
              Source: Adapted from Leighton and Pendexter (1962)
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