Chalk Group Lithostratigraphy: Northern England - Ludborough Flint: Revision history

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10 October 2013

  • curprev 14:3214:32, 10 October 2013Dbk talk contribs 1,170 bytes +1,170 Created page with "This is a conspicuous, laterally very persistent tabular, locally semitabular, flint, up to 0.25 m thick, and typically pale grey or white in colour (Wood & Smith, 1978). In c..."