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strata. The sandstones are commercially exploited at
Ingleton Quarry.
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to the east. Of deep marine origin, these grey-green rocks are
177:. The two inliers are exposed in the valley of the
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273:Geological groups of the United Kingdom
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7:
223:The BGS Lexicon of Named Rock Units
53:at least 600 m (2,000 ft)
14:
103:
278:Geologic formations of England
1:
283:Ordovician System of Europe
247:. British Geological Survey
225:. British Geological Survey
314:
16:Group of stones in England
28:
298:Geology of the Pennines
187:Horton-in-Ribblesdale
293:Geology of Yorkshire
30:Stratigraphic range
288:Ordovician England
245:"Geoindex Onshore"
193:overlain by late
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219:"Ingleton Group"
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171:North Yorkshire
128:North Yorkshire
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161:found within
137:Ingleton Group
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111:United Kingdom
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24:Ingleton Group
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191:unconformably
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181:northeast of
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159:conglomerates
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251:25 September
249:. Retrieved
239:
229:25 September
227:. Retrieved
222:
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169:district of
136:
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78:conglomerate
18:
267:Categories
205:References
195:Ordovician
155:siltstones
151:sandstones
148:turbiditic
145:Ordovician
67:turbiditic
179:River Doe
74:siltstone
70:sandstone
58:Lithology
50:Thickness
199:Silurian
183:Ingleton
84:Location
185:and at
175:England
165:in the
163:inliers
124:inliers
99:Country
93:England
63:Primary
167:Craven
121:Craven
117:Extent
108:
89:Region
34:Arenig
141:group
139:is a
44:Group
253:2021
231:2021
197:and
135:The
40:Type
143:of
269::
221:.
173:,
157:,
153:,
126:,
76:,
72:,
32::
255:.
233:.
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