Chalk Group Lithostratigraphy: Northern England - Kirk Ella Marl: Revision history

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10 October 2013

  • curprev 14:4714:47, 10 October 2013Dbk talk contribs 588 bytes +588 Created page with "This is a thin (c. 10 mm), pale brown marl, underlain by cream and brown, irregular, partly silicified flints, up to 0.1 m thick; a readily recognised marker combination in se..."