Page 140 - Life & Land Use on the Bahrain Islands (Curtis E Larsen)
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                                    Period  Epoch  Formation    Member      Description  Potcntial
                                                                                          Aquifer
                                          Holocene
                                      >                                     noollan sands,
                                                                           Sabkha deposits
                                            c                              lacustrlno marls
                                      as                                     avaporitos
                                      £     o O                               morlno
                                      3
                                      a     •s                               limestones
                                            K.
                                            as                                chalky,
                                            s  c   Neogene                    detrital
                                           u  o                              limestones,   Aquiclude
                                             £     Complex                   shale and
                                           i CL
                                                                             gray marl
                                                                              Porous,     Zone A
                                                                              Vugular
                                                                  Limestone
                                                                              detrital
                                                              _co            Limostono    Aquifer
                                                              <
                                                                    Marl    orange marl  Aquiclude
                                                   Dammam
                                                                             Porous,      Zone B
                                                                Khobar       vugular      Aquifer
                                                                              detrital
                                                                             Limestone
                                            a
                                            O
                                            LLl                Alveolina Lms   Limostone
                                                                Saila Shalo    and       Aquiclude
                                                                Mldra Shale  Fissile Shales
                                      >•                                    Hard, porous    o
                                                                             limestones
                                      •s             Rus                   and dolomites    :§
                                      a>                                    with gypsum
                                      I—                                    and anhydrite   < c




                                                                            Hard, porous
                                                    Umm                       detrital    Zone C
                                            as                               limestone    Aquifer
                                                  er-Radhuma                   and
                                            s                                dolomite
                                            o
                                            *
                                            a.





                                              Figure 21: Stratigraphic Column for Eastern Arabia
                                                        (Adapted from Italconsult 1971)
 :








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