Page 269 - Ultimate Visual Dictionary (DK)
P. 269

THE ROCK CYCLE

                   IGNEOUS ROCK                                 SEDIMENTARY ROCK
                                                               Mud              Brown coloring
                    Pyroxene
                    crystal                     Dark           groundmass       from iron oxides  Ammonite
                                       Coarse-  pyroxene       (matrix)                        shell embedded
                                       grained   crystal                            Fine-
           Olivine                     texture                                      grained         in rock
           crystal                                                                  texture
                                                          Ammonite
                                                          shell
        Plagioclase
        feldspar


                    PHOTOMICROGRAPH          PIECE OF
        Mountain       OF GABBRO             GABBRO               PHOTOMICROGRAPH OF    PIECE OF SHELLY
                                                                   SHELLY LIMESTONE       LIMESTONE
                               Glacier erodes rocks                METAMORPHIC ROCK
                               and carries rock       Garnet crystal                              Wavy
                               particles to river     (pink)                         Red garnet
                                                                                     crystal      foliation
                                                     Quartz and
                                       Waterfall     feldspar crystals
                                       erodes rock
                                                     (gray)
                                              River erodes valley
                                              floor and carries rock
                                              particles downstream  PHOTOMICROGRAPH OF   PIECE OF GARNET-
                                                                   GARNET-MICA SCHIST    MICA SCHIST
                                                        Rock particles deposited
                                                        as sediment in lake
                                                                  Rock particles deposited by
                                                                  wind to form sand dunes
                                                                             Rock particles
                                                                             deposited in delta
                                                                                           Heavier rock
                                                                                           particles deposited
                                                                                           on continental shelf







                                                                                                 Continental
                                                                                                 shelf









                                                                                                 Continental
                                                                                                 slope
                                                                                      Lighter rock particles
                                                                                      collect on ocean floor to
                                                                                      form layers of  sediment
                                                                         Layers of  sediment compressed and
                                                                         cemented to form sedimentary rock

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