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  • ...The hydrogeology of the coalfield was later revisited by [[Hydrogeology of Wales: References|'''Rae (1978 a or b?''']]). ...n 1 m d<sup>-1</sup>, typical of tight sandstone layers; [[Hydrogeology of Wales: References|'''Ineson (1967)''']] provided transmissivity values for sandst
    11 KB (1,715 words) - 09:34, 18 February 2016
  • ...the Westphalian, fluviatile and lacustrine depositional environments with coal mires became established on an open coastal plain subject to sporadic marin ...eet Explanation of the British Geological Survey'', Sheet 264 (England and Wales).</ref>. These strata are disconformably overlain by greenish grey mudstone
    17 KB (2,541 words) - 14:53, 2 December 2015
  • ===Coal=== ...] pits were working seams in the Grovesend Formation, principally the High Coal. Larger pits at Ram Hill [679 803] and Serridge [675 796], located furthe
    4 KB (562 words) - 16:53, 28 July 2015
  • | rowspan="3" | Halesowen Formation, Upper Coal Measures, Westphalian C-D | Warwickshire Group&nbsp;—&nbsp;<br>mudstone, siltstone, sandstone, coal, ironstone and ferricrete
    54 KB (8,031 words) - 10:09, 4 May 2017
  • | ! scope="col" style="width: 75px;" | '''Coal bed methane''' | MIDDLE JURASSIC ROCKS (UNDIFFERENTIATED)&nbsp;–&nbsp;MUDSTONE, SANDSTONE AND...
    33 KB (3,749 words) - 10:09, 4 May 2017
  • ...f name="Greenhalgh 2016"></ref>). There is no report for UCG and therefore coal units have been identified from DECC (2013b)<ref name="DECC 2013b"></ref>. | rowspan="3" | <br><br><br><br>Halesowen Formation, Upper Coal Measures, Westphalian C–D
    59 KB (8,874 words) - 09:55, 19 October 2018