Study

building time line

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  • how many types of uncomformities we have
    3
  • disconformities
    2 layers the eroded at the bottom
  • non comformities
    marble layer over it sedimentary later
  • what does it mean angular unconformity
    uplifted layer at the bottom sedimentary on top
  • index fossils
    species that appear for a time and then disappeared
  • correlation
    matching rocks
  • key bed
    marker rock