GRÀFICS GENERALS

20 ó 15 mil                             10 mil                                                    4.600

milions d’anys                           m.a.                                                      m.a.

|_________________________|______________________________|_____________________|

|                                                  |                                                            |                                          |

Bing-Bang                            Formació                                            Aparició del                             Pre

                                           Via Làctea                                          Sol i la Terra                             sent

4.600                          3.700                        2.700  2.300                 1.500           700  575

milions anys                  m.a.                            m.a.   m.a.                    m.a.            m.a. m.a.

|___________________|_________________|____|_____________|_________|___|__________|

|                                      |                                  |        |                          |                  |      |                    |

Origen                     Origen de                   Cèl·lules Atmosfera         Algues     Aparició Primers       Pre

de la Terra                 la vida                      amb nucli  oxígen                             animals  vertebrats   sent

|---------------------PALEOZOIC-------------------|--------MESOZOIC-------|---CENOZOIC--|

| 575                         (Era Primària)                          225          (Secundària)         65     (Terciària)      |

|milions                                                                     m.a.                                     m.a.                         |

|                                                                                  |                                           |                            |

| CAM    ORDO   SILU     DEVO    CARBO   PER  | TRIÀ       JURÀ   CRETÀ |                            |

| BRIÀ    VICIÀ    RIÀ       NIÀ        NIFER    MIÀ  | SSIC       SSIC     CI         |                            |

|______|______|_______|_______|________|_____|_______|_______|_______|______________|

|                                                                                  |                                           |                            |

                                                                           Dinosauris/                              Primats                 Pre

                                                                            Mamífers                                                            sent

|--------------------------------------TERCIARI------------------------------------|QUATERNARI|

|                      |                            |                             |                                               |             |           |

| 65               54                         36      30                23    20                     10            5            2          |

m.a.             m.a.                       m.a.   m.a.              m.a.  m.a.                  m.a .       m.a.        m.a .      |

|                      |                                                          |                                               | PLIO   |PLIS   |

|PALEOCÉ    |         EOCÉ         |     OLIGOCÉ       |               MIOCÉ                    | CÉ      |TOCÉ |

|___________|______________|_____|_________|____|_____________|______|______|______|

|                                                             |                           |                          |            |            |            |

                                                         Egypto                  Dryo                  Rama     Austra              Pre

                                                         pithecus                 pithe                   pithe      lopithe             sent

                                                                                       cus                     cus          cus

|---------------------------PALEOLITIC INFERIOR---------------------------- |-PAL.- |- PAL.- |

| Canvi climàtic                                        Crisi climàtica                                          |MITJÀ |SUPER |

| 6                  5             4’2    3’7   3’2   3     2’8     2’5       1’8     1’4     1       500.000     |   200   |

|milions                                          Lucy                                                                  |            |    mil    |

|___________|________|____|____|___|____|____|______|_____|____|______|______|___|___|

|                                 Austral.     Austr.  Austr.  |                    |          |        |                                |      |

|_______________anamensis - afarensis-africanus__________________|                                |  P  |

                                                                |Homo   Homo       |Homo |Homo          Homo           |   r  |

                                                                |Rudolf.-Habilis----|Ergast |Antecessor--Sapiens -----|--e-|

                                                                         |____Homo Erectus_____________________|   s  |

                                                                                                                                                     e  |

                                                                                                                                                     n  |

                                                                                                                                                     t   |

| ---------------------------------- PALEOLITIC MITJÀ ---------------------------|PALEOLITIC|

|                                                                                                                                 |  SUPERIOR |

|500.000   450.000    400.000              300.000           200.000    120.000          40.000   15.000  |

| anys                                                                                                                          |            |        |

|___________|________|_____________|____________|________|___________|______|____|

|                      |                |                                                   |                |                      |            | Pre  |

|              Ús del foc         |                                                   |                |                      |            | sent |

|--Homo Antecessor____|Europa:-Homo Heidelbergensis--| Homo Neanderthalensis- |                    |

                                        \_________________________|_____H.Sapiens_______|H.Sapiens__|

                                                                                                      a l’Àfrica                 a Europa