South-west England Chalk Group Lithostratigraphy: Jukes-Browne & Hill, 1903, 1904 - Cenomanian Limestone Bed A2: Revision history

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7 October 2013

  • curprev 13:4613:46, 7 October 2013Dbk talk contribs 939 bytes +939 Created page with "Bed A2 is typically a hard, compact, sandy, shelly limestone (Jukes-Browne & Hill, 1903). '''Macrofossil Biozonation''': Modern biostratigraphical studies indicate that A2 be..."