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  • ...ed in enclosed basins, marginal lagoons or playa lakes. At the base of the Zechstein Group is a thin bituminous dolostone (Marl Slate Formation) with an unusual miner ...ions (P2; formerly Lower and Upper Magnesian Limestone and now part of the Zechstein Group; '''Plate P222612''') are predominantly shelf carbonates, and there is ampl
    8 KB (1,293 words) - 17:08, 28 July 2015
  • ...urham: the Yellow Sands Formation of the Rotliegendes Group is overlain by Zechstein Group Magnesian Limestone. P548172.]] [[Image:P221294.jpg|thumb|left|200px|Permian concretionary limestone of the Zechstein Group forming sea cliffs at Blackhall Rocks, near Hartlepool. [http://geoscenic.b
    12 KB (1,844 words) - 15:21, 29 January 2015
  • ...n Group, Great and Inferior Oolite Groups, Lias, Sherwood Sandstone Group, Zechstein Group, Coal Measures, Dinantian Limestone, Devonian. The total aquifer depth will
    4 KB (631 words) - 11:35, 29 November 2019
  • * Zechstein Group dolomites; less soluble than pure limestones so karstic features are less-
    4 KB (608 words) - 09:55, 19 October 2018
    33 KB (3,749 words) - 10:09, 4 May 2017
  • ==== East of the Pennines: the Zechstein Group ====
    28 KB (4,268 words) - 13:30, 6 May 2016
  • The Zechstein Group contains good aquifers with hydraulic continuity despite the presence of im
    11 KB (1,605 words) - 16:58, 5 May 2016
  • ...l subvertical karstic fissures within the limestones and dolostones of the Zechstein Group that form cliffs along the coast of County Durham. The fissures are general ...It rests on a bevelled platform cut into limestones and dolostones of the Zechstein Group at about 30 m above sea level. Twelve temperate genera of marine mollu
    10 KB (1,477 words) - 16:14, 5 May 2016
  • ...lacustrine mudstone of the Silverpit Formation and a thick Upper Permian (Zechstein Group) evaporite succession. In this report, the model is referred to as the <now
    6 KB (961 words) - 08:47, 1 August 2018
  • ...clude the limestones of the Corallian, the Great and Inferior Oolites, the Zechstein Group (Magnesian Limestone) and the Carboniferous, and the sandstones of the Pala
    5 KB (682 words) - 11:35, 29 November 2019
  • | Zechstein Group&nbsp;—&nbsp;<br>Dolotimised limestone and dolomite ===Zechstein Group – Dolomitised limestone and dolomite===
    54 KB (8,031 words) - 10:09, 4 May 2017
  • ...present stability problems. The dolomitic rocks which comprise much of the Zechstein Group are much less soluble than ordinary limestone, so dissolution is not widesp in linear belts. Numerous examples have recently been identified on the Zechstein Group outcrop above the concealed portion of the Durham Coalfield, though the phe
    13 KB (1,987 words) - 16:47, 5 May 2016
  • ...ying mudstones of the Silverpit Formation and later, the thick sequence of Zechstein Group halite which include interbedded mudstone and anhydrite. ...some faults exceeds 200&nbsp;m; however, none penetrate to the top of the Zechstein Group (Heinrich, 1991<ref name="henrich"></ref>).
    39 KB (5,894 words) - 08:47, 1 August 2018
  • | Zechstein Group&nbsp;—&nbsp;Dolotimised limestone and dolomite '''Zechstein Group'''<br>
    59 KB (8,826 words) - 12:31, 3 December 2019
  • ...o see this in the sections due to its thinness). Over most of the area the Zechstein Group overlies this unit (<150 m thick), although it is thinner and sometimes abs Overlying the Permian Basal Breccia is the Zechstein Group (described as Permian Marls in the borehole logs), which has a fairly unifo
    149 KB (21,908 words) - 12:40, 3 December 2019
  • ...eys of the rivers Tyne and Wear, west of the escarpment formed by Permian (Zechstein Group) carbonate rocks. The largest was ‘Glacial Lake Wear’, which stood at s ...ream valleys (denes) reveal isolated hollows in the carbonate rocks of the Zechstein Group that are filled with cemented gravel and sand beneath the lower of the two
    20 KB (3,097 words) - 13:32, 6 May 2016
  • ...Cumbria between 9.5 and 8.7&nbsp;ka BP, and then became established on the Zechstein Group limestone outcrop in County Durham. The arrival of alder at about 7.8&nbsp;
    7 KB (1,083 words) - 16:57, 5 May 2016
  • ...on weathers to a very weak condition or even to loose sand. The succeeding Zechstein Group is highly variable. The weak mudstones weather to a firm to stiff clay; dol
    14 KB (2,024 words) - 16:48, 5 May 2016
  • Carbonate rocks comprise most of the Permian Zechstein Group in eastern County Durham. Much of the sequence is dolomitic and has been tr
    16 KB (2,538 words) - 16:59, 5 May 2016
  • ...Group (limestone), Great and Inferior Oolite groups, Triassic sandstones, Zechstein Group, Permian sandstone, Carboniferous limestone, and Border Group (Fell Sandsto ...e from a range of formations, but primarily the Chalk, Sherwood Sandstone, Zechstein Group, Coal Measures, Millstone Grit and Carboniferous Limestone (Table 3.6). Whe
    52 KB (7,467 words) - 11:50, 3 December 2019
  • | Zechstein Group (Magnesian Limestone) | Zechstein Group
    59 KB (8,530 words) - 13:49, 3 December 2019
  • | Zechstein Group dolomite, Dinantian limestone, Durness Group | All Palaeozoic (except Zechstein Group dolomites and Permian mudstones), igneous and metamorphic rocks
    39 KB (5,956 words) - 18:10, 16 February 2017
  • ...n and overlying Upper Permian tight carbonates and thick evaporites of the Zechstein Group provide an excellent topseal to gas accumulations in uppermost Carboniferou ...nue upwards through the overlying Lower Permian strata to terminate in the Zechstein Group evaporites are segregated by colour from remaining faults truncated by the
    62 KB (9,310 words) - 11:17, 11 May 2020
  • Approaches Basin consist of the Upper Permian evaporite deposits of the Zechstein Group. The most significant evaporite formations are the Shearwater Salt Formatio
    20 KB (3,008 words) - 13:17, 10 November 2016
  • ...ter|500px| '''Figure A3.3'''&nbsp;&nbsp;&nbsp;&nbsp;TDS and depth for the Zechstein Group (blue dots) and all formations combined (grey dots), from Geothermal Catalo
    54 KB (7,778 words) - 12:34, 3 December 2019