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- == Mercia Mudstone Group [https://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=MMG (MMG)] == ...4 KB (521 words) - 15:21, 26 July 2021
- == Mercia Mudstone Group == ...il|Fossils 5-11 Mid- to Late Triassic (Anisian-Carnian) miospores from the Mercia Mudstone Group in the Larne No. 2 borehole: 5 Guttulapollenites hannonicus, 6 Verrucosispo ...5 KB (786 words) - 12:46, 25 September 2017
- [[Image:P210568.jpg|thumb|right|300px|Mercia Mudstone Group and Penarth Group successions (late Triassic) — Aust Cliff, Avon. [[Image:P211340.jpg|thumb|right|300px|Mercia Mudstone Group and Penarth Group successions (late Triassic) — Blue Anchor, nort ...12 KB (1,906 words) - 13:28, 30 January 2018
- == Mercia Mudstone Group (Triassic) of England and Wales – a review 2 – revised lithostratigraphical ...ngton, G, Ambrose, K, and Rees, J G. 2008. A formational framework for the Mercia Mudstone Group (Triassic) of England and Wales. British Geological Survey Research Report, ...13 KB (1,836 words) - 15:26, 26 July 2021
- == Mercia Mudstone Group (Triassic) of England and Wales – a review 1 – introduction and stratigraph ...ngton, G, Ambrose, K, and Rees, J G. 2008. A formational framework for the Mercia Mudstone Group (Triassic) of England and Wales. British Geological Survey Research Report, ...37 KB (5,384 words) - 15:26, 26 July 2021
Page text matches
- ...in this district. The upper boundary of this unit is gradational into the Mercia Mudstone Group above. ===== Mercia Mudstone Group (MMG) ===== ...1 KB (203 words) - 15:20, 28 July 2015
- ...d into the Sherwood Sandstone Group (formerly the ‘Bunter Sandstone’), the Mercia Mudstone Group (formerly the ‘Keuper Marl’) and the Penarth Group (formerly the ‘Rhaetic’) :[[Mercia Mudstone Group, Triassic, Northern Ireland|Mercia Mudstone Group]] ...2 KB (252 words) - 13:07, 25 September 2017
- ...bnail|The Waterloo foreshore near Larne showing the Collin Glen Formation (Mercia Mudstone Group) in foreground overlain by the Penarth Group. (P948009)]] ...947940)]]. The Penarth Group at Larne rests disconformably on rocks of the Mercia Mudstone Group [[Media:P948009.jpg| (P948009)]] and is conformably succeeded by the Waterl ...4 KB (535 words) - 12:53, 25 September 2017
- == Depositional environment (Mercia Mudstone Group, Penarth Group, Waterloo Mudstone Formation) == [[File:P947851.jpg|thumbnail|Depositional model for the Mercia Mudstone Group (17). (P947851)]] ...5 KB (754 words) - 11:49, 25 September 2017
- ...abkha flats. The facies is markedly diachronous, persisting throughout the Mercia Mudstone Group wherever it onlaps the Palaeozoic rocks, but crops out only around Wick in The red mudstone of the undivided Mercia Mudstone Group grades rapidly up into the Blue Anchor Formation (BAn), an up to 5 m-thick ...5 KB (747 words) - 13:20, 2 December 2015
- == Mercia Mudstone Group == ...il|Fossils 5-11 Mid- to Late Triassic (Anisian-Carnian) miospores from the Mercia Mudstone Group in the Larne No. 2 borehole: 5 Guttulapollenites hannonicus, 6 Verrucosispo ...5 KB (786 words) - 12:46, 25 September 2017
- ...ch is strongly downfaulted against the Palaeozoic rocks. South of this the Mercia Mudstone Group margin is unfaulted and the limits of the main sandstone sequence beneath a ...4 KB (617 words) - 13:31, 30 January 2018
- == Mercia Mudstone Group [https://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=MMG (MMG)] == ...4 KB (521 words) - 15:21, 26 July 2021
- ...ned extensively causing subsidence in places. The maximum thickness of the Mercia Mudstone Group, about 1340m, was proved in a borehole at Prees in the Cheshire Basin. ...f Wales. The Blue Anchor Formation ('''Plate P579282''') at the top of the Mercia Mudstone Group marks the beginning of this process. It consists of greenish grey dolomitic ...7 KB (1,070 words) - 12:23, 19 June 2014
- The younger Mercia Mudstone Group comprises massive red-brown dolomitic mudstones with gypsum either in veins ...1 KB (189 words) - 08:35, 18 February 2016
- ...ent drilling has indicated the presence of an extensive saltfield in the [[Mercia Mudstone Group, Permo-Triassic, Bristol and Gloucester region|Central Somerset Basin]]. Gy ...4 KB (531 words) - 13:22, 30 January 2018
- == Mercia Mudstone Group (Triassic) of England and Wales – a review 2 – revised lithostratigraphical ...ngton, G, Ambrose, K, and Rees, J G. 2008. A formational framework for the Mercia Mudstone Group (Triassic) of England and Wales. British Geological Survey Research Report, ...13 KB (1,836 words) - 15:26, 26 July 2021
- ...-means cluster analysis of normalised gamma-ray and sonic log data for the Mercia Mudstone Group of the Winterborne Kingston borehole. Seven centroids have been pre- select ...ross-plots show normalised gamma-ray, sonic and density curve data for the Mercia Mudstone Group of the Winterborne Kingston Borehole. ...4 KB (679 words) - 09:54, 18 May 2021
- ...e Formation but it is inferred to be present everywhere at the base of the Mercia Mudstone Group in this region (Warrington et al., 1980<ref name="Warrington 1980"></ref>). ...andstone Formation had been mapped in two fault blocks but overlain by the Mercia Mudstone Group with no Tarporley Siltstone Formation delineated. This necessitated fieldwo ...3 KB (516 words) - 15:48, 18 October 2018
- | Mercia Mudstone Group — dolomitic siltstone | Mercia Mudstone Group — mudstone ...9 KB (1,251 words) - 11:24, 26 July 2021
- [[Image:P210568.jpg|thumb|right|300px|Mercia Mudstone Group and Penarth Group successions (late Triassic) — Aust Cliff, Avon. [[Image:P211340.jpg|thumb|right|300px|Mercia Mudstone Group and Penarth Group successions (late Triassic) — Blue Anchor, nort ...12 KB (1,906 words) - 13:28, 30 January 2018
- | '''MERCIA MUDSTONE GROUP – MUDSTONE, SILTSTONE AND SANDSTONE''' | style="background-color: #b1a0c7;" | '''Tarporley Siltstone Formation and Mercia Mudstone Group''' ...33 KB (3,749 words) - 09:09, 4 May 2017
- ...ords a major, late Triassic (Rhaetian) marine transgression. The Triassic, Mercia Mudstone Group sequence is also preserved farther south in Cumbria, on Walney Island, as a ...(up to about 25 m) and only rarely preserved. It rests conformably on the Mercia Mudstone Group, and comprises dark grey, fissile marine mudstone with abundant silty lamin ...12 KB (1,844 words) - 14:21, 29 January 2015
- [[Mercia Mudstone Group]] The formation is the highest unit of the Mercia Mudstone Group in the British Isles. The outcrop extends northwards from the south Devon c ...7 KB (1,000 words) - 15:21, 26 July 2021
- [[Mercia Mudstone Group]] ...ectly overlain by a silt and sand-poor sequence typical of the bulk of the Mercia Mudstone Group farther south. However, in the Solway and Carlisle Basins, a ‘Waterstones L ...10 KB (1,402 words) - 15:21, 26 July 2021