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

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11 October 2013

  • curprev 13:0313:03, 11 October 2013‎ Dbk talk contribs‎ 515 bytes +515‎ Created page with "This is a c. 60 mm thick, brown, clayey marl, with a sharply defined base (Whitham, 1993). '''Macrofossil Biozonation''': ''I. lingua'' Zone '''Correlation''': see Correlati..."
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