434:
265:
121:
761:
722:
Hunt, ReBecca K.; Santucci, Vincent L.; Kenworthy, Jason (2006). "A preliminary inventory of fossil fish from
National Park Service units". In Lucas, S.G.; Spielmann, J.A.; Hester, P.M.; Kenworthy, J.P.; Santucci, V.L. (eds.). Vol. 34.
379:
At Chaco Canyon, the formation can be divided into three informal members. These are a lower massive marine sandstone deposited in a high-energy environment; a middle unit deposited in deeper water that contains some
2795:
1940:
1407:
911:
2952:
869:
2781:
2947:
2937:
1926:
1393:
897:
634:
638:
2927:
862:
705:
Hayes, P.T.; Zapp, A.D. (1955). "Geology and fuel resources of the Upper
Cretaceous rocks of the Barker Dome-Fruitland area, San Juan County, New Mexico".
787:"Facies architecture and geometry of landward-stepping shoreface tongues: the Upper Cretaceous Cliff House Sandstone (Mancos Canyon, south-west Colorado)"
2932:
855:
2788:
1933:
433:
1400:
904:
2962:
2957:
604:
603:
Harrison, G. William M., 4th; Kirkland, James I.; Fischer, Jan; San Miguel, George; Wood, John R.; Santucci, Vincent L. (2021).
419:. A.J. Collier redesignated this unit in 1919 as the Cliff House Sandstone and raised the Mesaverde Formation to group rank.
217:
655:
Beaumont, E.C.; Dane, C.H.; Sears, J.D. (1956). "Revised nomenclature of
Mesaverde group in San Juan basin, New Mexico".
210:
1368:
2346:
2164:
1490:
728:
685:
2179:
1580:
362:
1187:
157:
Barker Dome Tongue, Beechatuda Tongue, Chacra Tongue, Cholla Canyon Tongue, La
Ventana Tongue, Ute Canyon Tongue
2942:
2483:
2434:
2382:
2306:
1363:
1082:
450:
369:
280:
126:
1097:
2079:
1673:
2404:
2286:
2238:
2184:
1610:
1590:
1264:
1224:
1134:
1122:
396:
2531:
2084:
2069:
1734:
1550:
1470:
1296:
2511:
2356:
2291:
2154:
1632:
1627:
1341:
1092:
495:, while the upper beds are rich in invertebrate shells, shark teeth, and bone debris from marine lizards.
2409:
2119:
2089:
1530:
1244:
1087:
1041:
1005:
372:, where it forms the prominent cliffs around Cliff House, for which it is named. It is also prominent at
2898:
2628:
2326:
2311:
2281:
2214:
1600:
1331:
1316:
1259:
1202:
1112:
1077:
628:
2882:
2633:
2588:
2561:
2526:
2516:
2424:
2209:
2174:
2129:
2099:
1515:
1197:
2752:
2747:
2725:
2689:
2399:
2394:
2316:
2296:
2276:
2189:
2149:
2104:
2094:
2012:
2007:
1880:
1875:
2844:
2419:
2321:
2204:
2159:
2144:
1545:
1520:
1510:
1321:
1311:
1207:
1117:
1102:
798:
408:
137:
2856:
1711:
1706:
1575:
2429:
2366:
2194:
2002:
1870:
1853:
1809:
1500:
1495:
1326:
474:
At Chaco Canyon, the lower beds produce shells and casts from clams, ammonites (including possible
829:
605:"Two chimaeroid egg case remains from the late Cretaceous, Mesa Verde National Park, Colorado USA"
2254:
2109:
2042:
1893:
1827:
1716:
1668:
1570:
1525:
1346:
1336:
1254:
1249:
1234:
1170:
1107:
1064:
1046:
1010:
878:
816:
468:
668:
2730:
2708:
2694:
2672:
2665:
2615:
2583:
2575:
2336:
2301:
2169:
2114:
1749:
1739:
1701:
1678:
1605:
1560:
1540:
1480:
1301:
1274:
1229:
1192:
965:
350:
175:
2866:
2598:
2554:
2506:
2439:
2351:
2331:
2259:
2139:
2124:
2064:
2047:
1782:
1744:
1696:
1663:
1619:
1595:
1460:
1453:
1306:
1291:
806:
710:
664:
399:. The Cliff House Sandstone was deposited during the return of the sea as near-shore sand.
2566:
2521:
2496:
2414:
2341:
2271:
2199:
2134:
2074:
1792:
1688:
1535:
1269:
1182:
752:
740:
697:
416:
388:
147:
802:
676:
Collier, A.J. (1919). "Contributions to economic geology, 1918; Part 2, Mineral fuels".
2828:
2501:
2466:
2219:
1837:
1822:
1774:
1726:
1655:
1505:
1056:
428:
392:
365:
and the name "Pictured Cliffs" is applied to the entire sequence of massive sandstone.
358:
284:
2921:
2229:
1995:
1465:
1239:
820:
811:
786:
471:) egg cases. The latter have not yet been connected to a particular species of fish.
412:
334:
270:
72:
29:
1585:
1555:
1485:
373:
766:
U.S. Geological and
Geographical Survey of the Territories (Hayden), Annual Report
847:
2819:
2810:
2607:
2375:
1955:
1565:
1422:
957:
926:
480:
464:
354:
165:
47:
2717:
2545:
2025:
1444:
948:
491:
345:
The Cliff House
Sandstone consists of fine grained white to orange calcareous
92:
57:
232:
219:
2656:
2475:
1986:
1966:
1846:
1283:
1154:
1143:
1033:
346:
330:
326:
198:
97:
41:
33:
120:
2875:
2647:
2457:
2247:
2034:
1763:
1646:
1433:
1163:
997:
988:
937:
882:
459:
252:
87:
82:
67:
62:
52:
2681:
1977:
1801:
1024:
979:
446:
384:
beds; and an upper sandstone deposited in a beach and bar environment.
102:
77:
2837:
1862:
1217:
550:
548:
546:
714:
454:
432:
381:
2777:
1922:
1389:
893:
851:
395:, which records a regression-transgression sequence of the
785:
Olsen, Tina R.; Mellere, Donatella; Olsen, Torben (1999).
489:
shrimp. The middle unit hyas fewer trace fossils but more
478:), snails, and shark's teeth. Trace fossils classified as
609:
New Mexico Museum of
Natural History and Science Bulletin
762:"Report [on the San Juan District, Colorado]"
707:
657:
590:
554:
533:
531:
357:. Where the Lewis Shale pinches out in the southwest
485:
are common and are thought to have been produced by
2874:
2865:
2836:
2827:
2818:
2809:
2716:
2707:
2680:
2664:
2655:
2646:
2606:
2597:
2574:
2553:
2544:
2474:
2465:
2456:
2374:
2365:
2246:
2237:
2228:
2033:
2024:
1994:
1985:
1976:
1965:
1954:
1861:
1845:
1836:
1800:
1791:
1773:
1762:
1725:
1687:
1654:
1645:
1618:
1452:
1443:
1432:
1421:
1282:
1216:
1162:
1153:
1142:
1055:
1032:
1023:
996:
987:
978:
956:
947:
936:
925:
437:
Upper
Cretaceous stratigraphy of the San Juan Basin
311:
303:
295:
290:
276:
258:
248:
209:
204:
194:
189:
181:
171:
161:
153:
143:
133:
23:
2953:Fossiliferous stratigraphic units of North America
834:Chaco Culture Natural Historical Park, New Mexico
566:
522:
407:The Cliff House Sandstone was first described by
678:Coal south of Mancos, Montezuma County, Colorado
457:teeth, along with the jaws, teeth and fins of
361:, the formation is indistinguishable from the
2789:
1934:
1401:
905:
863:
8:
633:: CS1 maint: multiple names: authors list (
669:10.1306/5CEAE565-16BB-11D7-8645000102C1865D
2871:
2833:
2824:
2815:
2804:Precambrian chronostratigraphy of Colorado
2796:
2782:
2774:
2713:
2661:
2652:
2603:
2550:
2471:
2462:
2371:
2243:
2234:
2030:
1991:
1982:
1973:
1962:
1941:
1927:
1919:
1842:
1797:
1770:
1651:
1449:
1440:
1429:
1408:
1394:
1386:
1159:
1150:
1029:
993:
984:
953:
944:
933:
912:
898:
890:
870:
856:
848:
637:) CS1 maint: numeric names: authors list (
119:
20:
2948:Sandstone formations of the United States
810:
760:Holmes, W.H. (1877). Hayden, F.V. (ed.).
510:
2938:Upper Cretaceous Series of North America
1949:Paleozoic chronostratigraphy of Colorado
1416:Mesozoic chronostratigraphy of Colorado
920:Cenozoic chronostratigraphy of Colorado
537:
503:
748:
736:
726:
693:
683:
680:. Vol. 691-K. pp. K293–K310.
626:
578:
349:. It intertongues with the underlying
125:Cliff House Sandstone at Cliff House,
299:Cliff House, Mesa Verde National Park
7:
18:Geologic formation in the western US
2928:Cretaceous formations of New Mexico
591:Hunt, Santucci & Kenworthy 2006
429:San Juan Basin § Stratigraphy
14:
415:as the "Upper Escarpment" of the
812:10.1046/j.1365-3091.1999.00234.x
263:
2933:Geologic formations of Colorado
1369:Independence Mountain Formation
567:Olsen, Mellere & Olsen 1999
523:Beaumont, Dane & Sears 1956
828:National Park Service (2015).
329:stratigraphic unit comprising
1:
2347:Morgan Round Valley Formation
387:The formation is part of the
2180:South Canyon Creek Formation
368:The formation is exposed at
2979:
2165:Sangre de Cristo Formation
1188:Central Colorado Volcanics
555:National Park Service 2015
426:
2773:
2484:Williams Canyon Formation
2390:
2383:Williams Canyon Formation
2307:Jacque Mountain Formation
1918:
1581:Pictured Cliffs Formation
1385:
1364:Gravel Mountain Formation
889:
363:Pictured Cliffs Formation
118:
28:
2963:Mesa Verde National Park
2958:Paleontology in Colorado
2435:Ste. Genevieve Formation
1098:Martins Canyon Formation
1083:Cedar Mountain Formation
451:Mesa Verde National Park
403:History of investigation
370:Mesa Verde National Park
281:Mesa Verde National Park
185:300 m (980 ft)
127:Mesa Verde National Park
2080:Council Grove Formation
1674:Ralston Creek Formation
1611:Williams Fork Formation
1591:Point Lookout Formation
1265:Poison Canyon Formation
830:"Cliff House Sandstone"
397:Western Interior Seaway
2405:Headscrabble Formation
2287:Eagle Valley Evaporite
2185:Stone Corral Formation
1628:Burro Canyon Formation
1225:Blanco Basin Formation
1135:Grouse Mountain Basalt
1123:Wagon Tongue Formation
438:
2899:Uncompahgre Formation
2532:Pinyon Park Formation
2312:Kansas City Formation
2085:Crestone Conglomerate
2070:Cedar Hills Formation
1735:Glen Canyon Formation
1551:Lion Canyon Formation
1476:Cliff House Sandstone
1471:Castle Gate Formation
1317:Middle Park Formation
1297:Arapahoe Conglomerate
1260:Green River Formation
1113:Troublesome Formation
1078:Browns Park Formation
511:Hayes & Zapp 1955
453:have produced fossil
436:
323:Cliff House Sandstone
24:Cliff House Sandstone
2845:Uinta Mountain Group
2512:Kinderhook Formation
2357:Sharpsdale Formation
2292:Glen Eyrie Formation
2205:Wellington Formation
2160:Phosphoria Formation
2155:Owl Canyon Formation
2145:Minnekahta Formation
1633:Horsetooth Formation
1342:South Park Formation
1322:Nacimiento Formation
1312:Fort Union Formation
1103:North Park Formation
1093:Los Pintos Formation
449:of the formation in
2430:St. Louis Formation
2410:Leadville Formation
2195:Wabaunsee Formation
2120:Ingleside Formation
2090:Day Creek Formation
2003:Chugwater Formation
1871:Chugwater Formation
1854:Chugwater Formation
1810:Chugwater Formation
1531:Kremmling Formation
1501:Fruitland Formation
1496:Fox Hills Formation
1491:Fort Hays Limestone
1327:Ojo Alamo Formation
1245:Echo Park Formation
1088:Flat Tops Volcanics
1042:Dry Union Formation
1006:Dry Union Formation
803:1999Sedim..46..603O
417:Mesaverde Formation
411:in 1877 during the
229: /
30:Stratigraphic range
2629:Arbuckle Formation
2327:Marmaton Formation
2282:Cherokee Formation
2255:Fountain Formation
2215:Wolfcamp Formation
2110:Glorieta Formation
2043:Fountain Formation
1894:Moenkopi Formation
1828:Moenkopi Formation
1717:Sundance Formation
1669:Morrison Formation
1601:Trinidad Formation
1571:Niobrara Formation
1526:Kirtland Formation
1347:Washakie Formation
1337:San Jose Formation
1332:Raton Conglomerate
1255:Huerfano Formation
1250:Farisita Formation
1203:Pinnacle Formation
1171:Arikaree Formation
1108:Santa Fe Formation
1065:Arikaree Formation
1047:Ogallala Formation
1011:Ogallala Formation
879:Chronostratigraphy
469:cartilaginous fish
439:
353:and the overlying
233:37.167°N 108.473°W
2915:
2914:
2911:
2910:
2907:
2906:
2894:
2893:
2890:
2889:
2883:Owiyukuts Complex
2852:
2851:
2769:
2768:
2765:
2764:
2761:
2760:
2743:
2742:
2739:
2738:
2731:Sawatch Formation
2703:
2702:
2695:Sawatch Formation
2673:Dotsero Formation
2642:
2641:
2634:Manitou Formation
2624:
2623:
2616:Dotsero Formation
2589:Simpson Formation
2584:Harding Sandstone
2562:Fremont Limestone
2540:
2539:
2527:Parting Formation
2517:Misener Formation
2492:
2491:
2452:
2451:
2448:
2447:
2425:Spergen Formation
2337:Minturn Formation
2302:Hermosa Formation
2267:
2266:
2210:White Horse Group
2175:Shawnee Formation
2170:Satanka Formation
2130:Lansing Formation
2115:Hermosa Formation
2100:Forelle Formation
2060:
2059:
2056:
2055:
2020:
2019:
1914:
1913:
1910:
1909:
1906:
1905:
1902:
1901:
1889:
1888:
1818:
1817:
1758:
1757:
1750:Wingate Sandstone
1740:Kayenta Formation
1702:Entrada Formation
1679:Wanakah Formation
1641:
1640:
1606:Vermejo Formation
1561:Menefee Formation
1541:Laramie Formation
1516:Hygiene Formation
1381:
1380:
1377:
1376:
1359:
1358:
1355:
1354:
1302:Bridger Formation
1275:Wasatch Formation
1230:Cuchara Formation
1198:Conejos Formation
1193:Chadron Formation
1178:
1177:
1131:
1130:
1073:
1072:
1019:
1018:
974:
973:
966:Alamosa Formation
747:Missing or empty
729:cite encyclopedia
686:cite encyclopedia
351:Menefee Formation
319:
318:
176:Menefee Formation
2970:
2872:
2834:
2825:
2816:
2798:
2791:
2784:
2775:
2753:Tintic Formation
2748:Reagan Formation
2726:Lodore Formation
2714:
2690:Lodore Formation
2662:
2653:
2604:
2551:
2507:Elbert Formation
2472:
2463:
2440:Warsaw Formation
2400:Gilman Formation
2395:Beulah Formation
2372:
2352:Morrow Formation
2332:Maroon Formation
2317:Kerber Formation
2297:Gothic Formation
2277:Belden Formation
2260:Madera Formation
2244:
2235:
2190:Sumner Formation
2150:Opeche Formation
2140:Maroon Formation
2125:Kaibab Limestone
2105:Glendo Formation
2095:Falcon Formation
2065:Blaine Formation
2048:Madera Formation
2031:
2013:Taloga Formation
2008:Lykins Formation
1992:
1983:
1974:
1969:
1963:
1958:
1943:
1936:
1929:
1920:
1881:Taloga Formation
1876:Lykins Formation
1843:
1798:
1783:Chinle Formation
1771:
1766:
1745:Navajo Formation
1697:Carmel Formation
1664:Curtis Formation
1652:
1596:Smoky Hill Chalk
1481:Codell Sandstone
1461:Benton Formation
1450:
1441:
1436:
1430:
1425:
1410:
1403:
1396:
1387:
1307:Denver Formation
1292:Animas Formation
1160:
1151:
1146:
1030:
994:
985:
954:
945:
940:
934:
929:
914:
907:
900:
891:
872:
865:
858:
849:
844:
842:
840:
824:
814:
781:
779:
777:
756:
750:
744:
738:
734:
732:
724:
718:
701:
695:
691:
689:
681:
672:
663:(9): 2149–2162.
643:
642:
632:
624:
622:
620:
600:
594:
588:
582:
576:
570:
564:
558:
552:
541:
535:
526:
520:
514:
508:
269:
267:
266:
244:
243:
241:
240:
239:
238:37.167; -108.473
234:
230:
227:
226:
225:
222:
123:
114:
44:
21:
2978:
2977:
2973:
2972:
2971:
2969:
2968:
2967:
2943:Campanian Stage
2918:
2917:
2916:
2903:
2886:
2861:
2848:
2805:
2802:
2757:
2735:
2699:
2676:
2638:
2620:
2593:
2570:
2567:Viola Formation
2536:
2522:Ouray Formation
2497:Aneth Formation
2488:
2444:
2420:Osage Formation
2415:Molas Formation
2386:
2361:
2342:Molas Formation
2322:Keyes Formation
2272:Atoka Formation
2263:
2224:
2200:Weber Formation
2135:Lyons Formation
2075:Chase Formation
2052:
2016:
1967:
1956:
1950:
1947:
1898:
1885:
1857:
1832:
1814:
1787:
1764:
1754:
1721:
1683:
1637:
1614:
1546:Lewis Formation
1536:Lance Formation
1511:Greenhorn Shale
1434:
1423:
1417:
1414:
1373:
1351:
1278:
1270:Uinta Formation
1212:
1208:Pitch Formation
1183:Brule Formation
1174:
1144:
1138:
1127:
1118:Trump Formation
1069:
1051:
1015:
970:
938:
927:
921:
918:
885:
876:
838:
836:
827:
784:
775:
773:
759:
746:
735:
725:
723:pp. 63–69.
721:
704:
692:
682:
675:
654:
651:
646:
625:
618:
616:
602:
601:
597:
589:
585:
577:
573:
565:
561:
553:
544:
536:
529:
521:
517:
509:
505:
501:
444:
431:
425:
405:
389:Mesaverde Group
343:
333:in the western
264:
262:
237:
235:
231:
228:
223:
220:
218:
216:
215:
148:Mesaverde Group
129:
113:
112:
111:
110:
105:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
39:
38:
36:
19:
12:
11:
5:
2976:
2974:
2966:
2965:
2960:
2955:
2950:
2945:
2940:
2935:
2930:
2920:
2919:
2913:
2912:
2909:
2908:
2905:
2904:
2902:
2901:
2895:
2892:
2891:
2888:
2887:
2885:
2880:
2878:
2869:
2863:
2862:
2860:
2859:
2857:Tava Formation
2853:
2850:
2849:
2847:
2842:
2840:
2831:
2822:
2813:
2807:
2806:
2803:
2801:
2800:
2793:
2786:
2778:
2771:
2770:
2767:
2766:
2763:
2762:
2759:
2758:
2756:
2755:
2750:
2744:
2741:
2740:
2737:
2736:
2734:
2733:
2728:
2722:
2720:
2711:
2705:
2704:
2701:
2700:
2698:
2697:
2692:
2686:
2684:
2678:
2677:
2675:
2670:
2668:
2659:
2650:
2644:
2643:
2640:
2639:
2637:
2636:
2631:
2625:
2622:
2621:
2619:
2618:
2612:
2610:
2601:
2595:
2594:
2592:
2591:
2586:
2580:
2578:
2572:
2571:
2569:
2564:
2559:
2557:
2548:
2542:
2541:
2538:
2537:
2535:
2534:
2529:
2524:
2519:
2514:
2509:
2504:
2502:Dyer Formation
2499:
2493:
2490:
2489:
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2469:
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2268:
2265:
2264:
2262:
2257:
2252:
2250:
2241:
2232:
2226:
2225:
2223:
2222:
2220:Yeso Formation
2217:
2212:
2207:
2202:
2197:
2192:
2187:
2182:
2177:
2172:
2167:
2162:
2157:
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2137:
2132:
2127:
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2117:
2112:
2107:
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2045:
2039:
2037:
2028:
2022:
2021:
2018:
2017:
2015:
2010:
2005:
2000:
1998:
1989:
1980:
1971:
1960:
1952:
1951:
1948:
1946:
1945:
1938:
1931:
1923:
1916:
1915:
1912:
1911:
1908:
1907:
1904:
1903:
1900:
1899:
1897:
1896:
1890:
1887:
1886:
1884:
1883:
1878:
1873:
1867:
1865:
1859:
1858:
1856:
1851:
1849:
1840:
1834:
1833:
1831:
1830:
1825:
1823:Jelm Formation
1819:
1816:
1815:
1813:
1812:
1806:
1804:
1795:
1789:
1788:
1786:
1785:
1779:
1777:
1768:
1760:
1759:
1756:
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1752:
1747:
1742:
1737:
1731:
1729:
1723:
1722:
1720:
1719:
1714:
1712:Page Formation
1709:
1707:Garo Formation
1704:
1699:
1693:
1691:
1685:
1684:
1682:
1681:
1676:
1671:
1666:
1660:
1658:
1649:
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1630:
1624:
1622:
1616:
1615:
1613:
1608:
1603:
1598:
1593:
1588:
1583:
1578:
1576:Pando Porphyry
1573:
1568:
1563:
1558:
1553:
1548:
1543:
1538:
1533:
1528:
1523:
1518:
1513:
1508:
1506:Graneros Shale
1503:
1498:
1493:
1488:
1483:
1478:
1473:
1468:
1463:
1458:
1456:
1447:
1438:
1427:
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1405:
1398:
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1366:
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1319:
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1252:
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1232:
1227:
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1214:
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1211:
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1195:
1190:
1185:
1179:
1176:
1175:
1173:
1168:
1166:
1157:
1148:
1140:
1139:
1137:
1132:
1129:
1128:
1126:
1125:
1120:
1115:
1110:
1105:
1100:
1095:
1090:
1085:
1080:
1074:
1071:
1070:
1068:
1067:
1061:
1059:
1053:
1052:
1050:
1049:
1044:
1038:
1036:
1027:
1021:
1020:
1017:
1016:
1014:
1013:
1008:
1002:
1000:
991:
982:
976:
975:
972:
971:
969:
968:
962:
960:
951:
942:
931:
923:
922:
919:
917:
916:
909:
902:
894:
887:
886:
877:
875:
874:
867:
860:
852:
846:
845:
825:
797:(4): 603–625.
782:
757:
737:|journal=
719:
702:
694:|journal=
673:
650:
647:
645:
644:
595:
583:
571:
559:
542:
527:
515:
502:
500:
497:
443:
442:Fossil content
440:
427:Main article:
424:
421:
404:
401:
393:San Juan Basin
359:San Juan Basin
342:
339:
317:
316:
313:
309:
308:
305:
301:
300:
297:
293:
292:
288:
287:
285:San Juan Basin
278:
274:
273:
260:
256:
255:
250:
246:
245:
213:
207:
206:
202:
201:
196:
192:
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187:
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183:
179:
178:
173:
169:
168:
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159:
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145:
141:
140:
135:
131:
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124:
116:
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108:
107:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
45:
34:Late Campanian
26:
25:
17:
13:
10:
9:
6:
4:
3:
2:
2975:
2964:
2961:
2959:
2956:
2954:
2951:
2949:
2946:
2944:
2941:
2939:
2936:
2934:
2931:
2929:
2926:
2925:
2923:
2900:
2897:
2896:
2884:
2881:
2879:
2877:
2873:
2870:
2868:
2864:
2858:
2855:
2854:
2846:
2843:
2841:
2839:
2835:
2832:
2830:
2826:
2823:
2821:
2817:
2814:
2812:
2808:
2799:
2794:
2792:
2787:
2785:
2780:
2779:
2776:
2772:
2754:
2751:
2749:
2746:
2745:
2732:
2729:
2727:
2724:
2723:
2721:
2719:
2715:
2712:
2710:
2706:
2696:
2693:
2691:
2688:
2687:
2685:
2683:
2679:
2674:
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2669:
2667:
2663:
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2658:
2654:
2651:
2649:
2645:
2635:
2632:
2630:
2627:
2626:
2617:
2614:
2613:
2611:
2609:
2605:
2602:
2600:
2596:
2590:
2587:
2585:
2582:
2581:
2579:
2577:
2573:
2568:
2565:
2563:
2560:
2558:
2556:
2552:
2549:
2547:
2543:
2533:
2530:
2528:
2525:
2523:
2520:
2518:
2515:
2513:
2510:
2508:
2505:
2503:
2500:
2498:
2495:
2494:
2485:
2482:
2481:
2479:
2477:
2473:
2470:
2468:
2464:
2461:
2459:
2455:
2441:
2438:
2436:
2433:
2431:
2428:
2426:
2423:
2421:
2418:
2416:
2413:
2411:
2408:
2406:
2403:
2401:
2398:
2396:
2393:
2392:
2389:
2384:
2381:
2379:
2377:
2373:
2370:
2368:
2364:
2358:
2355:
2353:
2350:
2348:
2345:
2343:
2340:
2338:
2335:
2333:
2330:
2328:
2325:
2323:
2320:
2318:
2315:
2313:
2310:
2308:
2305:
2303:
2300:
2298:
2295:
2293:
2290:
2288:
2285:
2283:
2280:
2278:
2275:
2273:
2270:
2269:
2261:
2258:
2256:
2253:
2251:
2249:
2245:
2242:
2240:
2236:
2233:
2231:
2227:
2221:
2218:
2216:
2213:
2211:
2208:
2206:
2203:
2201:
2198:
2196:
2193:
2191:
2188:
2186:
2183:
2181:
2178:
2176:
2173:
2171:
2168:
2166:
2163:
2161:
2158:
2156:
2153:
2151:
2148:
2146:
2143:
2141:
2138:
2136:
2133:
2131:
2128:
2126:
2123:
2121:
2118:
2116:
2113:
2111:
2108:
2106:
2103:
2101:
2098:
2096:
2093:
2091:
2088:
2086:
2083:
2081:
2078:
2076:
2073:
2071:
2068:
2066:
2063:
2062:
2049:
2046:
2044:
2041:
2040:
2038:
2036:
2032:
2029:
2027:
2023:
2014:
2011:
2009:
2006:
2004:
2001:
1999:
1997:
1996:Changhsingian
1993:
1990:
1988:
1984:
1981:
1979:
1975:
1972:
1970:
1964:
1961:
1959:
1953:
1944:
1939:
1937:
1932:
1930:
1925:
1924:
1921:
1917:
1895:
1892:
1891:
1882:
1879:
1877:
1874:
1872:
1869:
1868:
1866:
1864:
1860:
1855:
1852:
1850:
1848:
1844:
1841:
1839:
1835:
1829:
1826:
1824:
1821:
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1808:
1807:
1805:
1803:
1799:
1796:
1794:
1790:
1784:
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1761:
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1700:
1698:
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1659:
1657:
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1644:
1634:
1631:
1629:
1626:
1625:
1623:
1621:
1617:
1612:
1609:
1607:
1604:
1602:
1599:
1597:
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1592:
1589:
1587:
1584:
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1579:
1577:
1574:
1572:
1569:
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1564:
1562:
1559:
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1549:
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1534:
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1529:
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1524:
1522:
1519:
1517:
1514:
1512:
1509:
1507:
1504:
1502:
1499:
1497:
1494:
1492:
1489:
1487:
1484:
1482:
1479:
1477:
1474:
1472:
1469:
1467:
1466:Carlile Shale
1464:
1462:
1459:
1457:
1455:
1451:
1448:
1446:
1442:
1439:
1437:
1431:
1428:
1426:
1420:
1411:
1406:
1404:
1399:
1397:
1392:
1391:
1388:
1384:
1370:
1367:
1365:
1362:
1361:
1348:
1345:
1343:
1340:
1338:
1335:
1333:
1330:
1328:
1325:
1323:
1320:
1318:
1315:
1313:
1310:
1308:
1305:
1303:
1300:
1298:
1295:
1293:
1290:
1289:
1287:
1285:
1281:
1276:
1273:
1271:
1268:
1266:
1263:
1261:
1258:
1256:
1253:
1251:
1248:
1246:
1243:
1241:
1240:Dawson Arkose
1238:
1236:
1233:
1231:
1228:
1226:
1223:
1221:
1219:
1215:
1209:
1206:
1204:
1201:
1199:
1196:
1194:
1191:
1189:
1186:
1184:
1181:
1180:
1172:
1169:
1167:
1165:
1161:
1158:
1156:
1152:
1149:
1147:
1141:
1136:
1133:
1124:
1121:
1119:
1116:
1114:
1111:
1109:
1106:
1104:
1101:
1099:
1096:
1094:
1091:
1089:
1086:
1084:
1081:
1079:
1076:
1075:
1066:
1063:
1062:
1060:
1058:
1054:
1048:
1045:
1043:
1040:
1039:
1037:
1035:
1031:
1028:
1026:
1022:
1012:
1009:
1007:
1004:
1003:
1001:
999:
995:
992:
990:
986:
983:
981:
977:
967:
964:
963:
961:
959:
955:
952:
950:
946:
943:
941:
935:
932:
930:
924:
915:
910:
908:
903:
901:
896:
895:
892:
888:
884:
880:
873:
868:
866:
861:
859:
854:
853:
850:
835:
831:
826:
822:
818:
813:
808:
804:
800:
796:
792:
791:Sedimentology
788:
783:
771:
767:
763:
758:
754:
742:
730:
720:
716:
715:10.3133/om144
712:
708:
703:
699:
687:
679:
674:
670:
666:
662:
658:
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652:
648:
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636:
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584:
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488:
484:
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477:
476:Placenticeras
472:
470:
466:
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461:
456:
452:
448:
441:
435:
430:
422:
420:
418:
414:
413:Hayden Survey
410:
402:
400:
398:
394:
390:
385:
383:
377:
375:
371:
366:
364:
360:
356:
352:
348:
340:
338:
336:
335:United States
332:
328:
324:
314:
310:
306:
302:
298:
294:
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286:
282:
279:
275:
272:
271:United States
261:
257:
254:
251:
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242:
214:
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208:
203:
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197:
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84:
79:
74:
69:
64:
59:
54:
49:
43:
35:
31:
27:
22:
16:
1586:Pierre Shale
1556:Mancos Shale
1486:Dakota Group
1475:
837:. Retrieved
833:
794:
790:
774:. Retrieved
769:
765:
749:|title=
706:
677:
660:
656:
649:Bibliography
629:cite journal
617:. Retrieved
612:
608:
598:
586:
574:
562:
538:Collier 1919
518:
506:
490:
486:
479:
475:
473:
458:
445:
423:Stratigraphy
406:
386:
378:
374:Chaco Canyon
367:
344:
322:
320:
312:Year defined
307:A.J. Collier
291:Type section
15:
2608:Tremadocian
2376:Tournaisian
1566:Mowry Shale
1521:Juana Lopez
1235:D2 Sequence
958:Pleistocene
776:23 November
579:Holmes 1877
481:Ophiomorpha
355:Lewis Shale
341:Description
236: /
224:108°28′23″W
211:Coordinates
166:Lewis Shale
2922:Categories
2718:Guzhangian
2026:Cisuralian
1057:Aquitanian
709:. OM-144.
499:References
492:Inoceramus
487:Callianasa
465:Chimaeroid
409:W.H.Holmes
331:sandstones
325:is a late
221:37°10′01″N
2657:Furongian
2476:Famennian
1987:Lopingian
1847:Olenekian
1284:Paleocene
1155:Oligocene
1034:Messinian
821:140729285
772:: 237–276
739:ignored (
696:ignored (
619:30 August
615:: 113–120
347:sandstone
327:Campanian
296:Named for
199:Sandstone
190:Lithology
182:Thickness
162:Underlies
154:Sub-units
138:Formation
2876:Siderian
2709:Series 3
2666:Stage 10
2248:Gzhelian
2035:Asselian
1164:Chattian
998:Zanclean
989:Pliocene
883:Colorado
460:Enchodus
447:Outcrops
304:Named by
253:Colorado
205:Location
172:Overlies
40:75
2682:Paibian
1802:Anisian
1025:Miocene
799:Bibcode
391:of the
259:Country
195:Primary
144:Unit of
109:↓
2838:Tonian
2576:Middle
1863:Induan
1793:Middle
1689:Middle
1218:Eocene
839:8 June
819:
483:nodosa
277:Extent
268:
249:Region
2599:Lower
2555:Upper
2467:Upper
1838:Lower
1775:Upper
1727:Lower
1656:Upper
1620:Lower
1454:Upper
817:S2CID
455:shark
382:shale
841:2020
778:2020
753:help
741:help
698:help
639:link
635:link
621:2021
463:and
321:The
315:1919
134:Type
48:PreꞒ
881:of
807:doi
711:doi
665:doi
2924::
2811:pЄ
1968:Pz
1957:Ph
1765:Tr
1435:Mz
1424:Ph
1145:Pe
939:Cz
928:Ph
832:.
815:.
805:.
795:46
793:.
789:.
768:.
764:.
745:;
733::
731:}}
727:{{
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688:}}
684:{{
661:40
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627:{{
613:82
611:.
607:.
545:^
530:^
376:.
337:.
283:,
98:Pg
42:Ma
32::
2867:X
2829:Z
2820:♇
2797:e
2790:t
2783:v
2648:Є
2546:O
2458:D
2367:M
2239:⁋
2230:C
1978:P
1942:e
1935:t
1928:v
1647:J
1445:K
1409:e
1402:t
1395:v
980:N
949:Q
913:e
906:t
899:v
871:e
864:t
857:v
843:.
823:.
809::
801::
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751:(
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717:.
713::
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671:.
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641:)
623:.
593:.
581:.
569:.
557:.
540:.
525:.
513:.
467:(
103:N
93:K
88:J
83:T
78:P
73:C
68:D
63:S
58:O
53:Ꞓ
37:~
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