318:
Marine Band, the South Wales rock sequence which had formerly been assigned to the 'Upper Coal
Measures' (which was also referred to as the 'Pennant Measures') is no longer considered to be a part of the Coal Measures and is now designated as the
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The term 'Productive Coal
Measures' was formerly used for this succession. Note that, other than a 0-30m thick sequence immediately above the
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Lithostratigraphical framework for
Carboniferous successions of Great Britain (Onshore).
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In South Wales, the South Wales Coal
Measures Group is preceded (underlain) by the
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272:. The Group name is also applied to rocks of similar age across southern
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age though in southeast
England, the Coal Measures directly overlies
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The South Wales Coal
Measures Group spans a time from the
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British
Geological Survey 1:625,000 scale geological map
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British
Geological Survey Research Report, RR/07/01 60pp
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which comprises a largely non-productive sequence of
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401:"BGS Lexicon of Named Rock Units - Result Details"
383:"BGS Lexicon of Named Rock Units - Result Details"
292:. In formal use, the term replaces the earlier
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346:strata. It is succeeded (overlain) by the
305:South Wales Middle Coal Measures Formation
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308:South Wales Lower Coal Measures Formation
302:South Wales Upper Coal Measures Formation
471:Geological groups of the United Kingdom
374:
214:across south Wales and southern England
354:- the former 'Barren Coal Measures'.
7:
323:which is itself subdivided into the
16:Lithostratigraphical term in the UK
496:Stratigraphy of the United Kingdom
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237:South Wales Coal Measures Group
22:South Wales Coal Measures Group
491:Geologic formations of England
486:Carboniferous System of Europe
434:(5th edn) BGS, Keyworth, Notts
1:
250:-bearing succession of rock
325:Pennant Sandstone Formation
512:
432:Bedrock geology: UK South
417:Waters, C.N. et al 2007.
296:The Group comprises the:
26:
120:Coal Measures Supergroup
280:east to the concealed
481:Carboniferous England
254:which occur in South
241:lithostratigraphical
476:Carboniferous Wales
329:Grovesend Formation
294:Coal Measures Group
28:Stratigraphic range
466:Geology of England
348:Warwickshire Group
321:Warwickshire Group
130:Warwickshire Group
278:Bristol Coalfield
246:referring to the
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461:Geology of Wales
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456:Coal in England
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290:Kent Coalfields
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327:and overlying
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267:Carboniferous
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338:which is of
336:Marros Group
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236:
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219:Type section
140:Marros Group
359:Langsettian
282:Oxfordshire
260:Westphalian
258:within the
228:South Wales
203:, southern
149:up to 1600m
37:Westphalian
32:Langsettian
445:Categories
369:References
316:Cambriense
365:sub-age.
363:Bolsovian
286:Berkshire
276:from the
224:Named for
185:seatearth
177:siltstone
167:sandstone
154:Lithology
146:Thickness
126:Underlies
352:red beds
344:Devonian
340:Namurian
191:Location
163:mudstone
136:Overlies
361:to the
274:England
265:of the
205:England
159:Primary
116:Unit of
270:Period
252:strata
211:Extent
199:South
196:Region
263:Stage
256:Wales
239:is a
201:Wales
173:Other
110:Group
288:and
248:coal
244:term
235:The
181:coal
106:Type
42:Preκ
447::
403:.
385:.
331:.
284:,
183:,
179:,
165:,
92:Pg
30::
407:.
389:.
97:N
87:K
82:J
77:T
72:P
67:C
62:D
57:S
52:O
47:κ
34:-
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