Chalk Group Lithostratigraphy: Northern England - Deepdale Upper Marl: Revision history

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10 October 2013

  • curprev 14:2414:24, 10 October 2013‎ Dbk talk contribs‎ 681 bytes +681‎ Created page with "Always thinner (c. 30 mm) than the Deepdale Lower Marl, and usually about 2 m higher in the succession , with common ferruginous pseudomorphs of the small brachiopod ''Terebra..."
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