Chalk Group Lithostratigraphy: Northern Ireland - Ballymagarry Chalk Member: Revision history

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11 October 2013

  • curprev 12:4712:47, 11 October 2013Dbk talk contribs 1,549 bytes +1,549 Created page with "The Ballymagarry Chalk (stratotype: Ballymagarry Quarry [C 889 407]), 10.95 m thick at the type locality, comprises a succession characterised by extremely large flints, inclu..."