Chalk Group Lithostratigraphy: East Anglia - Sidestrand Chalk Member: Revision history

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8 October 2013

  • curprev 16:1416:14, 8 October 2013Dbk talk contribs 2,950 bytes +2,950 Created page with "Named by Johansen & Surlyk (1990), the member equates with the 'Pre Porosphaera Beds' of Wood (1967) and overlying 'Porosphaera Beds' of Brydone (1906, 1908, 1938), and is exp..."