283:
311:
340:
687:. The Carmel-Navajo contact was revised by Wright and others in 1962 and the Carmel-Entrada contact was revised by Phoenix in 1963. Thompson and Stokes created an overview and named the Henrieville Sandstone in 1970. The Temple Cap Sandstone was revised and the Page Sandstone added (new) by Peterson and Pipiringos in 1979. A revision by O'Sullivan in 1980 divided the group into Carmel, Entrada, and Wanakah formations in
104:
318:
290:
343:
San Rafael Group strata exposed east of the San Rafael Swell, north of
Hanksville. Sequence from orange cliff in foreground to cliff top in background Entrada Formation, Curtis Formation, Summerville Formation, capped by the (pink) Tidwell Member of the Morrison
706:
and divided it into
Entrada and Wanakah formations in southeastern area; divided it into Entrada, Wanakah, and Cow Springs formations in south-central area; and divided it into Entrada and Cow Springs Sandstones in southwestern area.
845:"Stratigraphy and nomenclature of Middle and Upper Jurassic rocks, western Colorado Plateau, Utah and Arizona, IN Revisions to stratigraphic nomenclature of Jurassic and Cretaceous rocks of the Colorado Plateau"
663:
and J.B. Reeside in 1928. They divided the group into (ascending): Carmel
Formation, Entrada Sandstone (new), Curtis Formation (new), and Summerville Formation (new). Areal extent limits were established by
108:
San Rafael Group on the east side of the San Rafael Swell. Entrada at the base, overlain by the Curtis, then
Summerville, and capped by the Morrison (Tidwell and Salt Wash Members).
725:"Detrital zircon geochronology and provenance of the Middle to Late Jurassic Paradox Basin and Central Colorado trough: Paleogeographic implications for southwestern Laurentia"
509:
Peterson concluded that the
Henrieville Sandstone was simply the bleached upper zone of the Entrada Sandstone and recommended abandoning the formation.
282:
723:
Ejembi, John I.; Potter-McIntyre, Sally L.; Sharman, Glenn R.; Smith, Tyson M.; Saylor, Joel E.; Hatfield, Kendall; Ferré, Eric C. (1 October 2021).
1180:
1160:
1175:
310:
1165:
702:; and divided it into Page, Carmel, Entrada, Curtis, and Summerville formations in Paradox Basin. Condon in 1989 revised the group in
1170:
699:
571:
186:
960:
926:
679:
In 1959 another revision, this time by Griggs and Read, divided it into
Entrada and Bell Ranch (new) formations in the
193:
895:"Stratigraphic relations of the Navajo Sandstone to Middle Jurassic formations, southern Utah and northern Arizona"
672:
in 1931. Smith in 1954 revised and divided the group into
Entrada, Todilto, and Thoreau (new) formations in the
875:
Thompson, A.E.; Stokes, W.L. (1970). "Stratigraphy of the San Rafael Group, southwest and south central Utah".
694:
In 1988 Peterson revised earlier work and divided the group into Page, Carmel, and
Entrada formations in the
648:
684:
601:
536:
578:
522:
502:
961:"Definition of members of Jurassic Entrada Sandstone in east-central Utah and west-central Colorado"
669:
357:
339:
665:
656:
416:
127:
1093:
803:"The Kaiparowits region, a geographic and geologic reconnaissance of parts of Utah and Arizona"
1059:
746:
633:
606:
468:
447:
443:
137:
927:"Revisions in stratigraphic nomenclature in Tucumcari-Sabinoso area, northeastern New Mexico"
1135:
1094:"Geology of the Thoreau Quadrangle, McKinley and Valencia (now Cibola) Counties, New Mexico"
1038:
1006:
902:
852:
814:
776:
736:
695:
652:
542:
474:
461:
420:
412:
381:
1031:"Revisions of Middle Jurassic nomenclature in the southeastern San Juan Basin, New Mexico"
680:
625:
512:
400:
385:
253:
117:
703:
673:
619:
594:
557:
479:
353:
1154:
688:
660:
529:
238:
62:
27:
103:
769:"Sedimentary rocks of the San Rafael Swell and some adjacent areas in eastern Utah"
228:
419:. These show marine influence in their formation in the northwestern exposures at
486:
37:
365:
361:
82:
47:
750:
208:
195:
439:
424:
397:
393:
174:
160:
87:
698:; divided it into Page, Carmel, Entrada and Romana (new) formations in the
442:. Further east, the group becomes more continental in character, with the
428:
389:
377:
170:
77:
72:
57:
52:
42:
995:"The base of the Upper Jurassic Morrison Formation in east-central Utah"
741:
724:
369:
92:
67:
432:
1043:
1030:
907:
894:
857:
844:
781:
768:
1140:
1123:
1011:
994:
819:
802:
338:
1060:"Jurassic stratigraphic nomenclature for northwestern New Mexico"
436:
373:
1098:
New Mexico Bureau of
Geology and Mineral Resources Bulletin
1124:"Geology of the Lees Ferry area, Coconino County, Arizona"
888:
886:
16:
Group of geological formations exposed in the western US
450:. The group is up to 490 meters (1,610 ft) thick.
965:
931:
American Association of Petroleum Geologists Bulletin
411:
The group consists of Jurassic beds younger than the
870:
868:
762:
760:
267:
259:
249:
244:
234:
224:
185:
180:
166:
156:
151:
143:
133:
123:
113:
21:
796:
794:
792:
446:resembling the underlying clean sandstones of the
1067:New Mexico Geological Society Special Publication
651:for the group. It was named for exposures in the
959:Wright, J.C.; Shawe, D.R.; Lohman, S.W. (1962).
954:
952:
920:
918:
691:. O'Sullivan revised the upper contact in 1984.
384:, this group of formations was laid down in the
988:
986:
838:
836:
834:
832:
830:
1024:
1022:
8:
877:Utah Geological and Mineral Survey Bulletin
767:Gilluly, James; Reeside, J.B. Jr. (1928).
102:
18:
1139:
1042:
1010:
906:
899:U.S. Geological Survey Professional Paper
856:
818:
807:U.S. Geological Survey Professional Paper
780:
773:U.S. Geological Survey Professional Paper
740:
317:
289:
715:
7:
297:San Rafael Group (the United States)
801:Gregory, H.E.; Moore, R.C. (1931).
14:
925:Griggs, R.L.; Read, C.B. (1959).
893:Peterson, Fred; Pipiringos, G.N.
564:Summerville Formation (youngest)
316:
309:
288:
281:
1128:U.S. Geological Survey Bulletin
1035:U.S. Geological Survey Bulletin
999:U.S. Geological Survey Bulletin
849:U.S. Geological Survey Bulletin
423:, with formations composed of
356:or collection of related rock
1:
1181:Middle Jurassic North America
1161:Geologic groups of New Mexico
300:Show map of the United States
700:Plateau Sedimentary Province
572:Plateau Sedimentary Province
519:Entrada Formation (youngest)
493:Entrada Sandstone (youngest)
1176:Geologic groups of Colorado
1197:
1166:Geologic groups of Arizona
1122:Phoenix, David A. (1963).
1058:Cather, Steven M. (2020).
638:Entrada Sandstone (oldest)
567:Entrada Sandstone (oldest)
360:that is spread across the
147:490 meters (1,610 ft)
993:O'Sullivan, R.B. (1984).
615:southern San Juan Basin:
275:
101:
26:
643:History of investigation
1171:Geologic groups of Utah
843:Peterson, Fred (1988).
647:There is no designated
553:Page Sandstone (oldest)
515:/Sierra Grande Uplift:
325:San Rafael Group (Utah)
345:
1029:Condon, S.M. (1989).
630:Summerville Formation
602:Cow Springs Sandstone
537:Summerville Formation
342:
1092:Smith, C.T. (1954).
685:Sierra Grande Uplift
523:Bell Ranch Formation
503:Temple Cap Sandstone
670:Raymond Cecil Moore
458:Subunits by basin:
415:and older than the
263:Gilluly and Reeside
205: /
28:Stratigraphic range
851:. 1633-B: B13-56.
742:10.1130/GES02264.1
666:Herbert E. Gregory
657:Emery County, Utah
417:Morrison Formation
346:
209:39.174°N 110.466°W
128:Morrison Formation
1037:. 1808E: E1–E21.
634:Todilto Formation
611:Entrada Sandstone
607:Wanakah Formation
584:Entrada Sandstone
550:Entrada Sandstone
469:Entrada Sandstone
448:Glen Canyon Group
444:Entrada Formation
380:. As part of the
337:
336:
138:Glen Canyon Group
1188:
1146:
1145:
1143:
1119:
1113:
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1080:
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824:
822:
798:
787:
786:
784:
764:
755:
754:
744:
735:(5): 1494–1516.
720:
696:Black Mesa Basin
653:San Rafael Swell
587:Carmel Formation
579:Romana Sandstone
547:Carmel Formation
543:Curtis Formation
499:Carmel Formation
475:Carmel Formation
462:Black Mesa Basin
421:San Rafael Swell
413:Navajo Sandstone
382:Colorado Plateau
350:San Rafael Group
329:
328:Show map of Utah
320:
319:
313:
301:
292:
291:
285:
220:
219:
217:
216:
215:
214:39.174; -110.466
210:
206:
203:
202:
201:
198:
106:
97:
34:
22:San Rafael Group
19:
1196:
1195:
1191:
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1052:
1044:10.3133/b1808EF
1028:
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992:
991:
984:
974:
972:
971:(11): 2057–2070
958:
957:
950:
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938:
924:
923:
916:
908:10.3133/pp1035B
892:
891:
884:
874:
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866:
858:10.3133/b1633AC
842:
841:
828:
800:
799:
790:
766:
765:
758:
722:
721:
717:
713:
681:Palo Duro Basin
645:
626:Bluff Formation
513:Palo Duro Basin
456:
409:
386:Middle Jurassic
333:
332:
331:
330:
327:
326:
323:
322:
321:
304:
303:
302:
299:
298:
295:
294:
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254:San Rafael Reef
213:
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191:
109:
96:
95:
90:
85:
80:
75:
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55:
50:
45:
40:
33:Middle Jurassic
32:
31:
17:
12:
11:
5:
1194:
1192:
1184:
1183:
1178:
1173:
1168:
1163:
1153:
1152:
1148:
1147:
1114:
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982:
948:
937:(8): 2003–2007
914:
882:
864:
826:
788:
782:10.3133/pp150D
756:
714:
712:
709:
704:San Juan Basin
674:San Juan Basin
644:
641:
640:
639:
636:
631:
628:
623:
620:Zuni Sandstone
613:
612:
609:
604:
595:San Juan Basin
592:
591:
590:Page Sandstone
588:
585:
582:
569:
568:
565:
558:Piceance Basin
555:
554:
551:
548:
545:
540:
527:
526:
520:
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506:
500:
497:
496:Page Sandstone
494:
484:
483:
480:Page Sandstone
477:
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455:
452:
408:
405:
354:geologic group
335:
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1019:
1013:
1012:10.3133/b1561
1008:
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690:
689:Paradox Basin
686:
682:
677:
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671:
667:
662:
661:James Gilluly
658:
654:
650:
649:type locality
642:
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635:
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624:
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530:Paradox Basin
524:
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239:United States
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1131:
1127:
1117:
1105:. Retrieved
1101:
1097:
1087:
1075:. Retrieved
1070:
1066:
1053:
1034:
1002:
998:
973:. Retrieved
968:
964:
939:. Retrieved
934:
930:
898:
876:
848:
810:
806:
772:
732:
728:
718:
693:
678:
646:
614:
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570:
556:
528:
511:
508:
485:
460:
457:
410:
349:
347:
268:Year defined
245:Type section
229:Four Corners
487:Great Basin
407:Description
388:during the
362:U.S. states
212: /
200:110°27′58″W
187:Coordinates
1155:Categories
1077:31 October
901:. 1035-B.
711:References
622:(youngest)
581:(youngest)
539:(youngest)
489:province:
471:(youngest)
366:New Mexico
358:formations
344:Formation.
197:39°10′26″N
1073:: 145–151
775:. 150-D.
751:1553-040X
729:Geosphere
440:sandstone
425:limestone
398:Callovian
394:Bathonian
250:Named for
175:limestone
161:Sandstone
152:Lithology
144:Thickness
124:Underlies
1107:21 March
975:21 March
941:21 March
525:(oldest)
505:(oldest)
482:(oldest)
454:Subunits
429:mudstone
390:Bajocian
378:Colorado
260:Named by
181:Location
171:Mudstone
134:Overlies
370:Arizona
235:Country
157:Primary
749:
435:, and
433:gypsum
401:Stages
225:Region
1063:(PDF)
879:(87).
437:silty
352:is a
167:Other
118:Group
1132:1137
1109:2022
1079:2020
1003:1561
977:2022
943:2022
747:ISSN
683:and
668:and
396:and
376:and
374:Utah
348:The
271:1928
114:Type
38:PreꞒ
1136:doi
1039:doi
1007:doi
903:doi
853:doi
815:doi
811:164
777:doi
737:doi
676:.
659:by
655:in
364:of
1157::
1134:.
1130:.
1126:.
1102:31
1100:.
1096:.
1071:14
1069:.
1065:.
1033:.
1021:^
1005:.
1001:.
997:.
985:^
969:46
967:.
963:.
951:^
935:43
933:.
929:.
917:^
897:.
885:^
867:^
847:.
829:^
813:.
809:.
805:.
791:^
771:.
759:^
745:.
733:17
731:.
727:.
597::
574::
560::
532::
464::
431:,
427:,
403:.
392:,
372:,
368:,
173:,
88:Pg
30::
1144:.
1138::
1111:.
1081:.
1047:.
1041::
1015:.
1009::
979:.
945:.
911:.
905::
861:.
855::
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817::
785:.
779::
753:.
739::
93:N
83:K
78:J
73:T
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48:O
43:Ꞓ
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