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  • | Kimmeridge Clay | Oxford Clay
    3 KB (382 words) - 09:47, 4 December 2015
  • | Kimmeridge Clay | Oxford Clay
    3 KB (267 words) - 16:02, 28 July 2015
  • ...rds the re-establishment of marine conditions, but the overlying Blisworth Clay Formation accumulated in coastal lagoonal conditions with some fine-grained ...le formations) dominated to the south of the Mendip Hills, where the Frome Clay Formation replaces many of the Great Oolite limestones. At the top of the G
    10 KB (1,584 words) - 13:26, 19 June 2014
  • [[Image:P006779.jpg|thumb|200px|Oxford Clay overlain by Corallian Group strata at Newbiggin Cliff, near Filey, Yorkshir ...tions were ideal for the preservation of organic matter and the Kimmeridge Clay Formation is now the principal source rock for oil throughout the region.
    15 KB (2,247 words) - 15:21, 29 January 2015
  • ...4] and in the subsurface in the eastern part of the district, the Lansdown Clay Formation passes into and is replaced by the Athelstan Oolite Formation (AO ...rted commas. ls - Forest Marble Formation basal limestone beds; FC - Frome Clay Formation. Modified after Penn et al (1979)<ref name="Penn">Penn, I E, Merr
    21 KB (3,119 words) - 18:21, 2 December 2015
  • However, isolated high-level deposits of gravelly sandy clay with flint, quartz, chert and other exotic pebbles occur around Bath, inclu ...the Bristol Avon Valley Formation, of Mid Pleistocene age, and consist of clay, silt and sand overlying gravel, and three levels can be identified(). Howe
    11 KB (1,623 words) - 14:55, 2 December 2015
  • ...formations of the district, including the Oxford Clay Formation, Kellaways Clay Member, Fuller’s Earth Formation, Charmouth Mudstone Formation, Penarth G
    9 KB (1,344 words) - 14:26, 2 December 2015
  • ===Oxford Clay Formation (OxC)=== The Oxford Clay succession consists of a brown, slightly calcareous, carbonaceous, siltston
    6 KB (926 words) - 16:21, 28 July 2015
  • | WOLSTON CLAY | WOLSTON CLAY
    15 KB (1,753 words) - 10:30, 8 March 2016
  • ...estones. The Blue Lias Formation is overlain by mudstone of the Lower Lias Clay (now referred to the Charmouth Mudstone Formation), which is not exposed on ...e Kellaways Formation is repeated in the overlying Lower and Middle Oxford Clay, reflecting an increase in sandstone towards the top of each depositional c
    20 KB (3,006 words) - 10:53, 5 May 2016
  • ...subsequent re-advance of the sea resulted in the deposition of bituminous clay over the Corallian strata (McLeish, 1992<ref name="Mcleish 1992"></ref>). T | colspan="2" | Lower Kimmeridge Clay Formation
    29 KB (4,322 words) - 16:02, 11 September 2015
  • ...granular flow was significant in the permeable horizons, the prevalence of clay layers, as well as the predominant grain-size of the permeable horizons, wa | Thames Group, Kimmeridge Clay Formation, Oxford Clay Formation, Lias Group
    39 KB (5,956 words) - 18:10, 16 February 2017
  • | Kimmeridge Clay Formation | rowspan="2" | Kimmeridge Clay Formation
    54 KB (8,031 words) - 10:09, 4 May 2017
  • | SOLENT GROUP&nbsp;–&nbsp;CLAY, SILT AND SAND ...M GROUP AND BARTON GROUP (UNDIFFERENTIATED)&nbsp;–&nbsp;SAND, SILT AND CLAY
    33 KB (3,749 words) - 10:09, 4 May 2017
  • ...hat are potentially oil/gas bearing (the Kimmeridge Clay Formation, Oxford Clay Formation, the Lias Group, Marros Group, the Bowland Shale Formation and th ...that the lowest TDS range for any unit in Table 3.6 relates to the London Clay at depths of >150&nbsp;m, not a formation generally considered to form a si
    52 KB (7,529 words) - 09:55, 19 October 2018
  • ...servoirs even through the rocks do not contain a high enough proportion of clay minerals to generally be called shales (Lefebvre, 2017<ref name="Lefebvre 2 ...ards through the Gault Formation, Lower Greensand Formation and Kimmeridge Clay Formation from the Chalk Group and Upper Greensand Formation (Alexander et
    49 KB (7,338 words) - 09:55, 19 October 2018
  • | Kimmeridge Clay Formation | rowspan="2" | <br>Kimmeridge Clay Formation
    59 KB (8,874 words) - 09:55, 19 October 2018
  • ...rocks (Lower Greensand to Chalk Group). While the Lias Group to Kimmeridge Clay Formation are relatively horizontal over the basement platform, the Lower G ...om depth, or biogenic, having formed from thin lignite layers in the Weald Clay. They state that the spatial distribution, source and hydrogeological contr
    149 KB (21,935 words) - 09:56, 19 October 2018
  • ...e conditions gave rise to the deposition of widespread silty clays (Oxford Clay Formation), which pass gradually up in a shallowing sequence into the Lower ...ply sloping face of the softer Oxford Clay Formation (40 m). In the Oxford Clay minor rhythmic alternations of harder and softer bands, visible here, may r
    15 KB (2,341 words) - 18:47, 5 August 2019