Chalk Group Lithostratigraphy: East Anglia - Catton Sponge Bed: Revision history

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8 October 2013

  • curprev 16:0816:08, 8 October 2013Dbk talk contribs 2,115 bytes +2,115 Created page with "The Catton Sponge Bed, with its stratotype locality at Catton Grove [TG 2289 1094], Norwich, comprises two main beds of spongiferous chalk capped by hardgrounds (Wood, 1988). ..."