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is a geological formation in
England. It dates to the Early Jurassic, it consists of "Sandy, shell-fragmental and ooidal ferruginous limestone interbedded with ferruginous calcareous sandstone, and generally subordinate ferruginous mudstone beds", with ironstone.
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English Early
Jurassic geological formation with ironstone
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239:Jeffries Brickworks, near Stonehouse
272:The BGS Lexicon of Named Rock Units
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142:(East Midlands Shelf northwards)
296:Geologic formations of England
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140:Charmouth Mudstone Formation
321:Geography of Worcestershire
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268:"Marlstone Rock Formation"
326:Jurassic System of Europe
276:British Geological Survey
126:Whitby Mudstone Formation
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247:Marlstone Rock Formation
214:East Midlands Shelf and
22:Marlstone Rock Formation
150:10 metres (33 ft)
33:Pliensbachian–Toarcian
306:Early Jurassic Europe
106:Geological formation
311:Pliensbachian Stage
28:Stratigraphic range
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301:Jurassic England
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136:Dyrham Formation
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224:Market Weighton
216:Worcester Basin
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316:Toarcian Stage
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205:United Kingdom
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231:Type section
290:Categories
254:References
116:Lias Group
182:Ironstone
168:sandstone
164:Limestone
155:Lithology
147:Thickness
122:Underlies
236:Location
188:Location
178:Mudstone
132:Overlies
220:Mendips
193:Country
160:Primary
112:Unit of
211:Extent
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174:Other
245:The
102:Type
38:PreꞒ
222:to
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88:Pg
30::
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218:(
93:N
83:K
78:J
73:T
68:P
63:C
58:D
53:S
48:O
43:Ꞓ
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