Chalk Group Lithostratigraphy: Northern England - Middleton Marls: Revision history

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11 October 2013

  • curprev 11:4611:46, 11 October 2013‎ Dbk talk contribs‎ 1,151 bytes +1,151‎ Created page with "Wood & Smith (1978) identified a c. 50 mm thick brown marl, underlain by spongiferous chalk and the inoceramid bivalve ''Inoceramus digitatus'', as the Middleton Marl. This ma..."
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