Chalk Group Lithostratigraphy: Northern England - Black Band: Revision history

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10 October 2013

  • curprev 12:1212:12, 10 October 2013‎ Dbk talk contribs‎ 4,362 bytes +4,362‎ Created page with "The Black Band s.s. is a name restricted to the dark carbonaceous marl at the centre of a c. 0.5 m thick complex of buff-brown, grey, purple and khaki marls at the base of the..."
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