Chalk Group Lithostratigraphy: Northern England - Riby Marl: Revision history

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10 October 2013

  • curprev 14:2114:21, 10 October 2013Dbk talk contribs 1,155 bytes +1,155 Created page with "The Riby Marl, up to 50 mm thick, is named after Riby Quarry [TA 174 062] (Wood & Smith, 1978), and falls in the interval between the Southerham Marl 2 and Caburn Marl of the ..."