40:
39:
360:
350:
355:
278:
198:
56:
282:
90:
45:
290:
274:
270:
195:
80:
66:
298:
286:
210:
160:
242:
344:
294:
269:
is the uppermost sub-unit of the Group. It is overlain by the lowermost units of the
226:
94:
27:
330:
317:
230:
179:
164:
266:
222:
202:
70:
234:
218:
117:
206:
150:
238:
214:
192:
31:
246:
250:
134:
130:
127:
44:
London Clay
Formation exposed at the base of the cliffs at
175:
170:
156:
146:
141:
123:
113:
108:
100:
86:
76:
62:
52:
21:
331:"BGS Lexicon of Named Rock Units - Result Details"
318:http://www.bgs.ac.uk/Lexicon/lexicon.cfm?pub=THAM
253:. It is encountered in older literature as the
8:
38:
18:
310:
285:formations in the Hampshire basin and
16:Geological formation in Great Britain
7:
320:(BGS on-line lexicon of rock units)
205:) which is widespread in southeast
14:
297:strata, these being rocks of the
289:. Beneath the London Clay is the
237:east through northern Hampshire,
104:c110 - 115m in Hampshire Basin
1:
277:in the London Basin, and the
361:Lithostratigraphy of England
377:
37:
26:
137:silt, sandy clayey silt
293:which itself overlies
301:in the London Basin.
267:London Clay Formation
71:London Clay Formation
209:, especially in the
28:Stratigraphic range
351:Geology of England
273:; these being the
196:lithostratigraphic
91:Oldhaven Formation
46:Walton-on-the-Naze
356:Paleogene England
291:Harwich Formation
275:Bagshot Formation
271:Bracklesham Group
255:London Clay Group
185:
184:
81:Bracklesham Group
67:Harwich Formation
368:
335:
334:
327:
321:
315:
299:Thanet Formation
42:
19:
376:
375:
371:
370:
369:
367:
366:
365:
341:
340:
339:
338:
329:
328:
324:
316:
312:
307:
287:English Channel
263:
211:Hampshire Basin
201:(a sequence of
161:Hampshire Basin
48:
17:
12:
11:
5:
374:
372:
364:
363:
358:
353:
343:
342:
337:
336:
322:
309:
308:
306:
303:
262:
259:
243:Greater London
183:
182:
177:
173:
172:
168:
167:
158:
154:
153:
148:
144:
143:
139:
138:
125:
121:
120:
115:
111:
110:
106:
105:
102:
98:
97:
88:
84:
83:
78:
74:
73:
64:
60:
59:
54:
50:
49:
43:
35:
34:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
373:
362:
359:
357:
354:
352:
349:
348:
346:
332:
326:
323:
319:
314:
311:
304:
302:
300:
296:
295:Lambeth Group
292:
288:
284:
280:
276:
272:
268:
260:
258:
256:
252:
248:
244:
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236:
232:
228:
227:Isle of Wight
224:
220:
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208:
204:
200:
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181:
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174:
169:
166:
162:
159:
155:
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149:
145:
140:
136:
132:
129:
126:
122:
119:
116:
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107:
103:
99:
96:
95:Lambeth Group
92:
89:
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79:
75:
72:
68:
65:
61:
58:
55:
51:
47:
41:
36:
33:
29:
25:
20:
325:
313:
264:
261:Stratigraphy
254:
231:London Basin
189:Thames Group
188:
186:
180:River Thames
171:Type section
165:London Basin
22:Thames Group
229:and in the
225:and in the
223:West Sussex
203:rock strata
345:Categories
305:References
249:and north
283:Wittering
235:Berkshire
219:Hampshire
176:Named for
109:Lithology
101:Thickness
77:Underlies
63:Sub-units
217:through
142:Location
118:mudstone
87:Overlies
207:England
151:England
147:Country
114:Primary
239:Surrey
215:Dorset
193:Eocene
191:is an
157:Extent
32:Eocene
279:Poole
247:Essex
233:from
213:from
199:group
135:sandy
128:silty
124:Other
57:Group
281:and
265:The
251:Kent
241:and
187:The
131:clay
53:Type
245:to
221:to
93:or
347::
257:.
163:,
133:,
69:,
30::
333:.
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