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

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10 October 2013

  • curprev 14:2914:29, 10 October 2013Dbk talk contribs 1,160 bytes +1,160 Created page with "This is the lowest tabular flint in the Chalk Group of northern England, although it might sometimes be semitabular, and locally occurs as huge elliptical masses (Wood & Smith..."