Chalk Group Lithostratigraphy: Northern England - Danes Dyke Lower Marls: Revision history

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11 October 2013

  • curprev 11:2911:29, 11 October 2013Dbk talk contribs 536 bytes +536 Created page with "A group of three marls, each c. 20-30 mm thick, pale grey, silty and partly gradational (Whitham, 1993). '''Macrofossil Biozonation''': ''M. testudinarius'' Zone '''Correlat..."