Chalk Group Lithostratigraphy: Northern England - North Ormsby Marl: Revision history

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10 October 2013

  • curprev 14:3114:31, 10 October 2013‎ Dbk talk contribs‎ 1,619 bytes +1,619‎ Created page with "This is a laminated marl, up to 110mm thick, with a sharp base and gradational top (Wood & Smith, 1978), equating with the Grimes Graves Marl of the East Anglia Chalk Group su..."
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