309:
266:
316:
407:
and iron oxide. Where whinstones are overlaying fragments of this rock are also present. Typical structures of wind dunes (cross bedding, ripples, and grain flow) are common. This is consistent with deposition in a desert system.
638:
422:
134:
440:
603:
511:"Report on the Upper Permian and Lower Cretaceous fossiliferous localities vertebrates-bearing in the central north of Tocantins State, Brazil"
417:
633:
598:
541:, Ministerio de Minas e Energia - Companhia de Pesquisa de Recursos Minerais, Geological Service of Brazil, pp. 1–248
538:
Annotated Atlas of South
America Tetrapod Footprints (Devonian to Holocene) with an appendix on Mexico and Central America
379:, that were probably deposited in windy deserts and fast flowing freshwater streams. Therefore, fossils are very rare.
574:
308:
648:
643:
218:
179:
623:
172:
608:
628:
403:
The Corda
Formation consists largely of red sandstone, with very fine to medium grain size, rich in
618:
613:
387:
This formation outcrops in the central part of the Parnaíba Basin, between the mouth of the
510:
124:
8:
552:
436:
144:
560:
427:
341:
518:
Brazilian
Geographical Journal: Geosciences and Humanities research medium, Uberlândia
570:
536:
444:
392:
345:
281:
357:
564:
388:
211:
592:
431:
233:
220:
194:
181:
74:
27:
556:
296:
49:
94:
59:
376:
349:
338:
253:
160:
99:
43:
364:
89:
84:
69:
64:
54:
404:
104:
79:
356:. It was formed during the Neoaptian to Eoalbian series of the
353:
271:
35:
31:
569:, Berkeley: University of California Press, pp. 1–880,
551:
472:
639:Fossiliferous stratigraphic units of South America
439:, contemporaneous fossiliferous formation of the
430:, contemporaneous fossiliferous formation of the
590:
375:The Corda Formation is characterized by reddish
490:
481:
367:tracks have been reported from the formation.
465:
463:
461:
459:
604:Lower Cretaceous Series of South America
534:
456:
418:List of dinosaur-bearing rock formations
315:
16:Geologic formation in Tocantins, Brazil
591:
508:
13:
14:
660:
314:
307:
264:
47:
502:
1:
634:Ichnofossiliferous formations
599:Geologic formations of Brazil
450:
382:
398:
212:Approximate paleocoordinates
7:
566:The Dinosauria, 2nd edition
535:Leonardi, Giuseppe (1994),
411:
10:
665:
370:
302:
292:
287:
277:
259:
249:
210:
171:
166:
155:
150:
140:
130:
120:
26:
21:
323:Corda Formation (Brazil)
478:Weishampel et al., 2004
649:Geography of Tocantins
644:Paleontology in Brazil
624:Sandstone formations
553:Weishampel, David B.
496:Leonardi, 1994, p.62
487:Leonardi, 1994, p.53
125:Geological formation
509:Alves, Y.M (2010),
437:Itapecuru Formation
363:Large-scale fossil
230: /
191: /
145:Itapecuru Formation
28:Stratigraphic range
428:Romualdo Formation
342:geologic formation
135:Sardinha Formation
609:Cretaceous Brazil
561:Osmólska, Halszka
331:
330:
656:
629:Fluvial deposits
585:
584:
583:
548:
547:
546:
531:
530:
529:
515:
497:
494:
488:
485:
479:
476:
470:
467:
391:in the west the
358:Early Cretaceous
318:
317:
311:
270:
268:
267:
245:
244:
242:
241:
240:
235:
231:
228:
227:
226:
223:
206:
205:
203:
202:
201:
196:
192:
189:
188:
187:
184:
116:
46:
19:
18:
664:
663:
659:
658:
657:
655:
654:
653:
589:
588:
581:
579:
577:
544:
542:
527:
525:
513:
505:
500:
495:
491:
486:
482:
477:
473:
468:
457:
453:
445:Parnaíba Basins
423:Sauropod tracks
414:
401:
385:
373:
335:Corda Formation
327:
326:
325:
324:
321:
320:
319:
265:
263:
238:
236:
232:
229:
224:
221:
219:
217:
216:
199:
197:
193:
190:
185:
182:
180:
178:
177:
115:
114:
113:
112:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
41:
40:
38:
22:Corda Formation
17:
12:
11:
5:
662:
652:
651:
646:
641:
636:
631:
626:
621:
616:
611:
606:
601:
587:
586:
575:
549:
532:
504:
501:
499:
498:
489:
480:
471:
454:
452:
449:
448:
447:
434:
425:
420:
413:
410:
400:
397:
393:Parnaíba River
389:Araguaia River
384:
381:
372:
369:
346:Parnaíba Basin
329:
328:
322:
313:
312:
306:
305:
304:
303:
300:
299:
294:
290:
289:
285:
284:
282:Parnaíba Basin
279:
275:
274:
261:
257:
256:
251:
247:
246:
214:
208:
207:
175:
169:
168:
164:
163:
157:
153:
152:
148:
147:
142:
138:
137:
132:
128:
127:
122:
118:
117:
110:
109:
108:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
24:
23:
15:
9:
6:
4:
3:
2:
661:
650:
647:
645:
642:
640:
637:
635:
632:
630:
627:
625:
622:
620:
617:
615:
612:
610:
607:
605:
602:
600:
597:
596:
594:
578:
576:0-520-24209-2
572:
568:
567:
562:
558:
557:Dodson, Peter
554:
550:
540:
539:
533:
523:
519:
512:
507:
506:
493:
484:
475:
466:
464:
462:
460:
455:
446:
442:
438:
435:
433:
432:Araripe Basin
429:
426:
424:
421:
419:
416:
415:
409:
406:
396:
395:in the east.
394:
390:
380:
378:
368:
366:
361:
359:
355:
351:
347:
343:
340:
336:
310:
301:
298:
295:
291:
286:
283:
280:
276:
273:
262:
258:
255:
252:
248:
243:
215:
213:
209:
204:
176:
174:
170:
165:
162:
158:
154:
149:
146:
143:
139:
136:
133:
129:
126:
123:
119:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
45:
42:115–110
37:
33:
29:
25:
20:
619:Aptian Stage
614:Albian Stage
580:, retrieved
565:
543:, retrieved
537:
526:, retrieved
524:(2): 372–386
521:
517:
503:Bibliography
492:
483:
474:
402:
386:
374:
362:
334:
332:
288:Type section
234:5.1°S 14.8°W
195:5.7°S 47.5°W
36:Early Albian
469:Alves, 2010
297:Corda River
239:-5.1; -14.8
237: /
200:-5.7; -47.5
198: /
173:Coordinates
32:Late Aptian
593:Categories
582:2019-02-21
545:2019-03-25
528:2019-02-16
451:References
383:Occurrence
377:sandstones
399:Lithology
350:Tocantins
339:sandstone
337:is a red
293:Named for
254:Tocantins
161:sandstone
151:Lithology
131:Underlies
563:(2004),
441:São Luis
412:See also
405:zeolites
365:sauropod
167:Location
141:Overlies
344:in the
260:Country
225:14°48′W
186:47°30′W
156:Primary
111:↓
573:
371:Origin
354:Brazil
278:Extent
272:Brazil
269:
250:Region
222:5°06′S
183:5°42′S
514:(PDF)
571:ISBN
443:and
333:The
159:Red
121:Type
50:PreꞒ
348:in
595::
559:;
555:;
520:,
516:,
458:^
360:.
352:,
100:Pg
44:Ma
30::
522:1
105:N
95:K
90:J
85:T
80:P
75:C
70:D
65:S
60:O
55:Ꞓ
39:~
34:-
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
