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REC part one - Coggle Diagram

- - - - clastic (minerogenic)
      - organic (biogenic)
      - autochthonous (from same locality - in situ e.g. peat)
      - allochthonous (from outside: e.g. slope-wash in lake basin)
    - - that is the law of stratigraphic superimposition
    - - 'the vertical succession of facies is produced by the progradation or later migration of one environment over another'
      - sediments found one above the other in a core, without a hiatus oor an erosional contact, must have form in environments found side by side