Chalk Group Lithostratigraphy: Northern England - Sewerby Hall Marl: Revision history

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11 October 2013

  • curprev 13:0213:02, 11 October 2013‎ Dbk talk contribs‎ 550 bytes +550‎ Created page with "This marl is c. 40-50 mm thick, and comprises light grey marl and crushed chalk, locally becoming chalky marl (Whitham, 1993). '''Macrofossil Biozonation''': ''I. lingua'' Zo..."
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