113:
227:
309:, which is now excluded from the group. Subsequently the sequence underwent several different stratigraphic proposals with several alternative divisions, but the formations proposed in Ward and Bunnag are the most widely used. Initially thought to be
337:. It consists of continental freshwater deposits largely of alternating sandstones and mudstones. The Group is notable for its fossil content, including those of dinosaurs.
305:
by Brown et al in 1953 and was redefined as the Khorat Group by Ward and Bunnag in 1964, which gave it its current constituent formations as well as including the
437:
432:
112:
376:
Racey, Andrew; Goodall, Jeffery G. S. (2009). "Palynology and stratigraphy of the
Mesozoic Khorat Group red bed sequences from Thailand".
427:
442:
334:
170:
385:
158:
390:
286:
153:
138:
126:
326:
306:
180:
148:
143:
403:
395:
314:
290:
257:
214:
421:
71:
24:
46:
318:
91:
56:
28:
407:
330:
195:
96:
40:
310:
298:
232:
199:
117:
Location of the Khorat Group within the Khorat
Plateau (Brown and yellow)
86:
81:
66:
61:
51:
101:
76:
355:
322:
32:
399:
294:
242:
363:
356:"Review of the Continental Mesozoic Stratigraphy of Thailand"
271:
263:
253:
248:
238:
220:
210:
205:
191:
186:
176:
166:
132:
122:
18:
378:Geological Society, London, Special Publications
8:
111:
15:
389:
346:
313:, the sequence has been shown to be of
7:
14:
225:
438:Lower Cretaceous Series of Asia
433:Geologic formations of Thailand
301:. It was first defined as the
1:
459:
354:Sattayarak, Nares (1983).
110:
23:
317:in age, Dating from the
428:Geologic groups of Asia
335:Maha Sarakham Formation
329:and is overlain by the
171:Maha Sarakham Formation
159:Phu Kradung Formation
154:Phra Wihan Formation
139:Khok Kruat Formation
443:Cretaceous Thailand
327:Nam Phong Formation
307:Nam Phong Formation
289:located within the
287:stratigraphic group
181:Nam Phong Formation
127:stratigraphic group
25:Stratigraphic range
325:. It overlies the
149:Sao Khua Formation
144:Phu Phan Formation
279:
278:
267:Ward & Bunnag
450:
412:
411:
393:
391:10.1.1.1030.8425
373:
367:
366:
360:
351:
333:deposits of the
315:Early Cretaceous
231:
229:
228:
115:
106:
43:
16:
458:
457:
453:
452:
451:
449:
448:
447:
418:
417:
416:
415:
400:10.1144/sp315.6
375:
374:
370:
358:
353:
352:
348:
343:
226:
224:
118:
105:
104:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
38:
37:
35:
12:
11:
5:
456:
454:
446:
445:
440:
435:
430:
420:
419:
414:
413:
368:
345:
344:
342:
339:
291:Khorat Plateau
277:
276:
273:
269:
268:
265:
261:
260:
258:Khorat Plateau
255:
251:
250:
246:
245:
240:
236:
235:
222:
218:
217:
215:Southeast Asia
212:
208:
207:
203:
202:
193:
189:
188:
184:
183:
178:
174:
173:
168:
164:
163:
162:
161:
156:
151:
146:
141:
134:
130:
129:
124:
120:
119:
116:
108:
107:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
45:
44:
21:
20:
13:
10:
9:
6:
4:
3:
2:
455:
444:
441:
439:
436:
434:
431:
429:
426:
425:
423:
409:
405:
401:
397:
392:
387:
383:
379:
372:
369:
364:
357:
350:
347:
340:
338:
336:
332:
328:
324:
320:
316:
312:
308:
304:
303:Khorat Series
300:
296:
292:
288:
284:
274:
270:
266:
262:
259:
256:
252:
247:
244:
241:
237:
234:
223:
219:
216:
213:
209:
204:
201:
197:
194:
190:
185:
182:
179:
175:
172:
169:
165:
160:
157:
155:
152:
150:
147:
145:
142:
140:
137:
136:
135:
131:
128:
125:
121:
114:
109:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
42:
39:145β113
34:
30:
26:
22:
17:
384:(1): 69β83.
381:
377:
371:
362:
349:
302:
283:Khorat Group
282:
280:
272:Year defined
249:Type section
19:Khorat Group
422:Categories
341:References
331:evaporitic
319:Berriasian
297:region of
29:Berriasian
408:0305-8719
386:CiteSeerX
254:Named for
196:Sandstone
187:Lithology
167:Underlies
133:Sub-units
311:Triassic
299:Thailand
264:Named by
233:Thailand
206:Location
200:mudstone
177:Overlies
293:in the
221:Country
192:Primary
406:
388:
323:Aptian
239:Extent
230:
211:Region
33:Aptian
359:(PDF)
285:is a
404:ISSN
295:Isan
281:The
275:1964
243:Isan
123:Type
47:Preκ
396:doi
382:315
321:to
424::
402:.
394:.
380:.
361:.
198:,
97:Pg
41:Ma
27::
410:.
398::
365:.
102:N
92:K
87:J
82:T
77:P
72:C
67:D
62:S
57:O
52:κ
36:~
31:-
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.