Chalk Group Lithostratigraphy: Northern England - Maidlands Lower Marls: Revision history

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11 October 2013

  • curprev 12:2112:21, 11 October 2013‎ Dbk talk contribs‎ 530 bytes +530‎ Created page with "A group of three grey, chalky marls, c. 20-50 mm thick, in a c. 1.4 m interval of chalk (Whitham, 1993). '''Macrofossil Biozonation''': ''U. socialis'' Zone '''Correlation''..."
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