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  • | HOLSWORTHY GROUP – MUDSTONE, SILSTONE AND SANDSTONE
    33 KB (3,749 words) - 09:09, 4 May 2017
  • ...sandstone, and crops out across south Wales and into the Bristol area. The Holsworthy Group (C5–7) of south-west England was deposited as turbidite lobes on a delta
    19 KB (2,854 words) - 16:07, 28 July 2015
  • ...um observations of: Teign Valley Group (657 Bq/L), Hawick Group (57 Bq/L), Holsworthy Group (353 Bq/L), Dinantian volcanics (103 Bq/L), Ordovician volcanics (43
    47 KB (6,055 words) - 16:03, 24 April 2017