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  • ...h they are organised into distinctive units that are then mapped. These '''stratigraphic maps''' are based on the inherent properties or attributes of rock bodies ...Classification into distinct units is based on properties that are used in stratigraphic research. In the case of a layer of shale from an ancient mud slide or a p
    10 KB (1,421 words) - 22:23, 6 February 2013
  • 219 B (32 words) - 06:52, 8 November 2008
  • 12 B (1 word) - 03:11, 15 November 2007
  • 853 B (105 words) - 01:39, 12 January 2010

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