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  • ...nd shallow-water sandstones and eventually by deeper marine sediments. The Stockingford Shale Group (mid Cambrian to Tremadoc age) is made up largely of mud that was deposited and Mancetter Shale formations (mid Cambrian) are also included in the Stockingford Shale Group.
    11 KB (1,758 words) - 16:01, 28 July 2015