620:
695:
304:
266:
671:
116:
900:
McKelvey, V.E., Cheney, T.M., Cressman, E.R., Sheldon, R.P., Swanson, R.W. and
Williams, J. Steele, 1959. The Phosphoria, Park City, and Shedhorn formations in the western phosphate field. In: Geology of Permian rocks in the western phosphate field, U.S. Geological Survey Professional Paper 313-A, p.
619:
954:
McKelvey, V.E., and L.D. Carswell, 1967. Uranium in the
Phosphoria Formation. In: Anatomy of the Western Phosphate Field: A Guide to the Geologic Occurrence, Exploration Methods, Mining Engineering and Recovery Technology; AAPG Fifteenth Annual Field Conference, p.
881:
Behnken, F.H., Wardlaw, B.R. and Stout, L.N., 1986, Conodont biostratigraphy of the
Permian Meade Peak Phosphatic Shale Member, Phosphoria Formation, southeastern Idaho. University of Wyoming Contributions to Geology, v. 24, no. 2, p.
979:
McKelvey, V.E., Strobell Jr, J.D. and
Slaughter, A.L., 1987. The vanadiferous zone of the Phosphoria Formation in western Wyoming and southeastern Idaho. In: The Thrust Belt Revisited; AAPG 38th Annual Field Conference Guidebook, p.
2950:
555:. The upper boundary is placed at the top of the uppermost phosphorite bed and below the tan calcareous siltstone of Dinwoody formation. The lower boundary is marked by a thin phosphorite that contains abundant
2095:
1562:
1066:
1024:
337:
age. It represents some 15 million years of sedimentation, reaches a thickness of 420 metres (1,380 ft) and covers an area of 350,000 square kilometres (140,000 sq mi).
2936:
869:
Richards, R.W., and
Mansfield, G.R., 1912, The Bannock overthrust; a major fault in southeastern Idaho and northeastern Utah: Journal of Geology, v. 20, no. 8, p. 681-709.
989:
2081:
1548:
1052:
655:
are known from the formation, including the only known specimen with preserved cranial remains. The Early
Permian age of the formation is based primarily on conodont
915:
Maughan, E.K. 1984. Geological setting and some geochemistry of petroleum source rocks in the
Permian Phosphoria Formation. Rocky Mountain Association of Geologists.
3082:
936:
Piper, D.Z. and
Medrano, M.D. 1994. Geochemistry of the Phosphoria Formation at Montpelier Canyon, Idaho. United States Geological Survey, Bulletin 2023-B, 28 p.
1017:
3132:
927:
Campbell, C.V. 1962. Depositional environments of
Phosphoria Formation (Permian) in southeastern Bighorn basin, Wyoming. AAPG Bulletin 46(4): 478-503.
670:
3102:
3097:
3092:
1010:
754:-enriched zone that is present in western Wyoming and southeastern Idaho contains potentially economic concentrations of vanadium in some areas.
575:
cordilleran structural basin of southern Idaho. Within the basin the formation consists of a basal phosphorite overlain by a thick sequence of
2943:
3087:
789:
2088:
1555:
1059:
694:
3117:
945:
Wardlaw, B.R. and J.W. Collinson, 1986. Paleontology and deposition of the
Phosphoria Formation. Rocky Mountain Geology 24(2): 107-142.
3107:
829:
3122:
677:
1523:
2501:
2319:
1645:
2334:
1735:
1342:
303:
3127:
2638:
2589:
2537:
2461:
1518:
1237:
608:
1252:
2234:
1828:
2559:
2441:
2393:
2339:
1765:
1745:
1419:
1379:
1289:
1277:
536:
2686:
2239:
2224:
1889:
1705:
1625:
1451:
3112:
2666:
2511:
2446:
2309:
1787:
1782:
1496:
1247:
583:. To the east in western Wyoming the Phosphoria gradually decreases in thickness and is intertongued with
2564:
2274:
2244:
1685:
1399:
1242:
1196:
1160:
3053:
2783:
2481:
2466:
2436:
2369:
1755:
1630:
1486:
1471:
1414:
1357:
1267:
1232:
778:
357:
3037:
2788:
2743:
2716:
2681:
2671:
2579:
2364:
2329:
2284:
2254:
1670:
1352:
2907:
2902:
2880:
2844:
2554:
2549:
2471:
2451:
2431:
2344:
2304:
2259:
2249:
2167:
2162:
2035:
2030:
2999:
2574:
2476:
2359:
2299:
1700:
1675:
1665:
1476:
1466:
1362:
1272:
1257:
604:
396:, resulting in the accumulation of organic matter on the sea floor. That, coupled with low rates of
314:
141:
3011:
1866:
1861:
1730:
2584:
2521:
2349:
2157:
2025:
2008:
1964:
1655:
1650:
1481:
681:
596:
588:
544:
437:
365:
330:
165:
847:
742:
are present in the Phosphoria phosphorite beds but are not considered to be of economic interest.
2409:
2264:
2197:
2048:
1982:
1871:
1823:
1725:
1680:
1501:
1491:
1409:
1404:
1389:
1325:
1262:
1219:
1201:
1165:
1033:
552:
548:
169:
151:
2885:
2863:
2849:
2827:
2820:
2770:
2738:
2730:
2491:
2456:
2324:
2269:
1904:
1894:
1856:
1833:
1760:
1715:
1695:
1635:
1456:
1429:
1384:
1347:
1120:
825:
3021:
2753:
2709:
2661:
2594:
2506:
2486:
2414:
2294:
2279:
2219:
2202:
1937:
1899:
1851:
1818:
1774:
1750:
1615:
1608:
1461:
1446:
540:
161:
2721:
2676:
2651:
2569:
2496:
2426:
2354:
2289:
2229:
1947:
1843:
1690:
1424:
1337:
766:
656:
638:
488:
388:. The upwelling of cold, nutrient-rich marine water at that time stimulated the growth of
361:
204:
2983:
2656:
2621:
2374:
1992:
1977:
1929:
1881:
1810:
1660:
1211:
774:
584:
401:
377:
353:
311:
125:
513:
phosphatic member (interbedded brown to black shale, gray dense limestone, dark brown
3076:
2384:
2150:
1620:
1394:
649:, and fish scales and bones. Most "tooth whorls" of the enigmatic cartilaginous fish
568:
334:
326:
271:
74:
39:
1740:
1710:
1640:
397:
1002:
2974:
2965:
2762:
2530:
2110:
1720:
1577:
1112:
1081:
699:
651:
625:
409:
341:
307:
222:
49:
2872:
2700:
2180:
1599:
1103:
711:
707:
634:
556:
429:
345:
94:
59:
967:
Uranium provinces of North America-their definition, distribution, and models
2811:
2630:
2141:
2121:
2001:
1438:
1309:
1298:
1188:
965:
762:
580:
572:
521:
492:
477:
405:
381:
226:
200:
99:
115:
17:
3030:
2802:
2612:
2402:
2189:
1918:
1801:
1588:
1318:
1152:
1143:
1092:
1037:
990:"Rocky Mountain to sell Paris Hills phosphate/vanadium property in Idaho"
751:
646:
600:
464:
The formation is commonly subdivided, from the top downward, as follows:
449:
441:
425:
417:
389:
89:
84:
69:
64:
54:
2836:
2132:
1956:
1179:
1134:
739:
727:
723:
642:
518:
445:
413:
253:
245:
129:
121:
104:
79:
2992:
2017:
1372:
592:
514:
433:
421:
393:
385:
502:
chert member (gray limestone at base, black chert, and black cherty
376:
The Phosphoria Formation was deposited under marine conditions in a
770:
715:
693:
618:
576:
503:
473:
349:
302:
287:
241:
218:
208:
719:
702:
from the Phosphoria Formation, Simplot Mine, Idaho. 4.6 cm wide.
453:
249:
2932:
2077:
1544:
1048:
1006:
769:
in the Phosphoria Formation, and many of the Phosphoria
633:
Fossils recovered from the Phosphoria Formation include
412:
content of the formation, as well as elevated levels of
706:
The Phosphoria phosphorite beds have been mined for
567:
The formation reaches its greatest thickness in the
317:
showing the relationship of the Phosphoria Formation
27:
Geologic formation in the northwestern United States
3029:
3020:
2991:
2982:
2973:
2964:
2871:
2862:
2835:
2819:
2810:
2801:
2761:
2752:
2729:
2708:
2699:
2629:
2620:
2611:
2529:
2520:
2401:
2392:
2383:
2188:
2179:
2149:
2140:
2131:
2120:
2109:
2016:
2000:
1991:
1955:
1946:
1928:
1917:
1880:
1842:
1809:
1800:
1773:
1607:
1598:
1587:
1576:
1437:
1371:
1317:
1308:
1297:
1210:
1187:
1178:
1151:
1142:
1133:
1111:
1102:
1091:
1080:
293:
282:
277:
259:
237:
232:
214:
196:
191:
183:
175:
157:
147:
137:
32:
2944:
2089:
1556:
1060:
1018:
8:
3026:
2988:
2979:
2970:
2959:Precambrian chronostratigraphy of Colorado
2951:
2937:
2929:
2868:
2816:
2807:
2758:
2705:
2626:
2617:
2526:
2398:
2389:
2185:
2146:
2137:
2128:
2117:
2096:
2082:
2074:
1997:
1952:
1925:
1806:
1604:
1595:
1584:
1563:
1549:
1541:
1314:
1305:
1184:
1148:
1139:
1108:
1099:
1088:
1067:
1053:
1045:
1025:
1011:
1003:
923:
921:
896:
894:
892:
890:
888:
865:
863:
603:age. The Phosphoria units extend into the
384:continental margin and the North American
29:
911:
909:
907:
877:
875:
2104:Paleozoic chronostratigraphy of Colorado
1571:Mesozoic chronostratigraphy of Colorado
1075:Cenozoic chronostratigraphy of Colorado
816:
814:
812:
810:
808:
806:
804:
800:
970:, US Geological Survey, Bulletin 2141.
841:
839:
837:
543:or, depending on the location, by the
3083:Shale formations of the United States
824:, Freeman, 1996, 2nd ed. pp. 345-349
790:Phosphate mining in the United States
551:, and it is overlain by the Triassic
344:beds that are an important source of
124:of the Phosphoria Formation near the
7:
820:Blatt, Harvey and Robert J. Tracy,
765:has been produced from some of the
535:The Phosphoria is underlain by the
3133:Cisuralian Series of North America
25:
669:
487:phosphatic member (phosphorite,
264:
187:Up to 420 metres (1,380 ft)
114:
1524:Independence Mountain Formation
404:sedimentation, led to the high
179:350,000 sq. km (140,000 sq. mi)
3103:Geology of the Rocky Mountains
3098:Geologic formations of Wyoming
3093:Geologic formations of Montana
710:, which is used primarily for
1:
2502:Morgan Round Valley Formation
629:from the Phosphoria Formation
517:phosphorite, and minor white
3088:Geologic formations of Idaho
2335:South Canyon Creek Formation
297:Richards and Mansfield, 1912
848:"Geologic Unit: Phosphoria"
531:member (dark cherty shale).
3149:
3118:Permian geology of Montana
2320:Sangre de Cristo Formation
1343:Central Colorado Volcanics
563:Thickness and distribution
460:Stratigraphy and lithology
3108:Permian geology of Nevada
2928:
2639:Williams Canyon Formation
2545:
2538:Williams Canyon Formation
2462:Jacque Mountain Formation
2073:
1736:Pictured Cliffs Formation
1540:
1519:Gravel Mountain Formation
1044:
372:Environment of deposition
113:
37:
2590:Ste. Genevieve Formation
1253:Martins Canyon Formation
1238:Cedar Mountain Formation
964:Finch, Warren I. (1996)
846:U.S. Geological Survey.
680:A phosphorite mine near
340:The Phosphoria includes
3123:Permian geology of Utah
2235:Council Grove Formation
1829:Ralston Creek Formation
1766:Williams Fork Formation
1746:Point Lookout Formation
1420:Poison Canyon Formation
2560:Headscrabble Formation
2442:Eagle Valley Evaporite
2340:Stone Corral Formation
1783:Burro Canyon Formation
1380:Blanco Basin Formation
1290:Grouse Mountain Basalt
1278:Wagon Tongue Formation
779:petroleum source rocks
738:Low concentrations of
703:
630:
358:petroleum source rocks
318:
3054:Uncompahgre Formation
2687:Pinyon Park Formation
2467:Kansas City Formation
2240:Crestone Conglomerate
2225:Cedar Hills Formation
1890:Glen Canyon Formation
1706:Lion Canyon Formation
1631:Cliff House Sandstone
1626:Castle Gate Formation
1472:Middle Park Formation
1452:Arapahoe Conglomerate
1415:Green River Formation
1268:Troublesome Formation
1233:Browns Park Formation
712:fertilizer production
697:
622:
607:and pinch out in the
306:
3000:Uinta Mountain Group
2667:Kinderhook Formation
2512:Sharpsdale Formation
2447:Glen Eyrie Formation
2360:Wellington Formation
2315:Phosphoria Formation
2310:Owl Canyon Formation
2300:Minnekahta Formation
1788:Horsetooth Formation
1497:South Park Formation
1477:Nacimiento Formation
1467:Fort Union Formation
1258:North Park Formation
1248:Los Pintos Formation
605:Wind River Mountains
380:located between the
366:petroleum reservoirs
331:geological formation
323:Phosphoria Formation
315:stratigraphic column
142:Geological formation
33:Phosphoria Formation
2585:St. Louis Formation
2565:Leadville Formation
2350:Wabaunsee Formation
2275:Ingleside Formation
2245:Day Creek Formation
2158:Chugwater Formation
2026:Chugwater Formation
2009:Chugwater Formation
1965:Chugwater Formation
1686:Kremmling Formation
1656:Fruitland Formation
1651:Fox Hills Formation
1646:Fort Hays Limestone
1482:Ojo Alamo Formation
1400:Echo Park Formation
1243:Flat Tops Volcanics
1197:Dry Union Formation
1161:Dry Union Formation
994:Proactive Investors
726:, and southwestern
682:Flaming Gorge, Utah
597:Chugwater Formation
589:Park City Formation
545:Park City Formation
438:rare earth elements
166:Park City Formation
40:Stratigraphic range
2784:Arbuckle Formation
2482:Marmaton Formation
2437:Cherokee Formation
2410:Fountain Formation
2370:Wolfcamp Formation
2265:Glorieta Formation
2198:Fountain Formation
2049:Moenkopi Formation
1983:Moenkopi Formation
1872:Sundance Formation
1824:Morrison Formation
1756:Trinidad Formation
1726:Niobrara Formation
1681:Kirtland Formation
1502:Washakie Formation
1492:San Jose Formation
1487:Raton Conglomerate
1410:Huerfano Formation
1405:Farisita Formation
1358:Pinnacle Formation
1326:Arikaree Formation
1263:Santa Fe Formation
1220:Arikaree Formation
1202:Ogallala Formation
1166:Ogallala Formation
1034:Chronostratigraphy
714:, in southeastern
704:
663:Economic resources
631:
595:sandstones of the
553:Dinwoody Formation
549:Tensleep Sandstone
360:, and some of its
319:
286:Phosphoria Gulch,
170:Tensleep Sandstone
152:Dinwoody Formation
3070:
3069:
3066:
3065:
3062:
3061:
3049:
3048:
3045:
3044:
3038:Owiyukuts Complex
3007:
3006:
2924:
2923:
2920:
2919:
2916:
2915:
2898:
2897:
2894:
2893:
2886:Sawatch Formation
2858:
2857:
2850:Sawatch Formation
2828:Dotsero Formation
2797:
2796:
2789:Manitou Formation
2779:
2778:
2771:Dotsero Formation
2744:Simpson Formation
2739:Harding Sandstone
2717:Fremont Limestone
2695:
2694:
2682:Parting Formation
2672:Misener Formation
2647:
2646:
2607:
2606:
2603:
2602:
2580:Spergen Formation
2492:Minturn Formation
2457:Hermosa Formation
2422:
2421:
2365:White Horse Group
2330:Shawnee Formation
2325:Satanka Formation
2285:Lansing Formation
2270:Hermosa Formation
2255:Forelle Formation
2215:
2214:
2211:
2210:
2175:
2174:
2069:
2068:
2065:
2064:
2061:
2060:
2057:
2056:
2044:
2043:
1973:
1972:
1913:
1912:
1905:Wingate Sandstone
1895:Kayenta Formation
1857:Entrada Formation
1834:Wanakah Formation
1796:
1795:
1761:Vermejo Formation
1716:Menefee Formation
1696:Laramie Formation
1671:Hygiene Formation
1536:
1535:
1532:
1531:
1514:
1513:
1510:
1509:
1457:Bridger Formation
1430:Wasatch Formation
1385:Cuchara Formation
1353:Conejos Formation
1348:Chadron Formation
1333:
1332:
1286:
1285:
1228:
1227:
1174:
1173:
1129:
1128:
1121:Alamosa Formation
647:conodont elements
301:
300:
16:(Redirected from
3140:
3027:
2989:
2980:
2971:
2953:
2946:
2939:
2930:
2908:Tintic Formation
2903:Reagan Formation
2881:Lodore Formation
2869:
2845:Lodore Formation
2817:
2808:
2759:
2706:
2662:Elbert Formation
2627:
2618:
2595:Warsaw Formation
2555:Gilman Formation
2550:Beulah Formation
2527:
2507:Morrow Formation
2487:Maroon Formation
2472:Kerber Formation
2452:Gothic Formation
2432:Belden Formation
2415:Madera Formation
2399:
2390:
2345:Sumner Formation
2305:Opeche Formation
2295:Maroon Formation
2280:Kaibab Limestone
2260:Glendo Formation
2250:Falcon Formation
2220:Blaine Formation
2203:Madera Formation
2186:
2168:Taloga Formation
2163:Lykins Formation
2147:
2138:
2129:
2124:
2118:
2113:
2098:
2091:
2084:
2075:
2036:Taloga Formation
2031:Lykins Formation
1998:
1953:
1938:Chinle Formation
1926:
1921:
1900:Navajo Formation
1852:Carmel Formation
1819:Curtis Formation
1807:
1751:Smoky Hill Chalk
1636:Codell Sandstone
1616:Benton Formation
1605:
1596:
1591:
1585:
1580:
1565:
1558:
1551:
1542:
1462:Denver Formation
1447:Animas Formation
1315:
1306:
1301:
1185:
1149:
1140:
1109:
1100:
1095:
1089:
1084:
1069:
1062:
1055:
1046:
1027:
1020:
1013:
1004:
997:
987:
981:
977:
971:
962:
956:
952:
946:
943:
937:
934:
928:
925:
916:
913:
902:
898:
883:
879:
870:
867:
858:
857:
855:
854:
843:
832:
818:
673:
541:Casper Formation
270:
268:
267:
162:Casper Formation
118:
109:
46:
30:
21:
3148:
3147:
3143:
3142:
3141:
3139:
3138:
3137:
3128:Permian Wyoming
3073:
3072:
3071:
3058:
3041:
3016:
3003:
2960:
2957:
2912:
2890:
2854:
2831:
2793:
2775:
2748:
2725:
2722:Viola Formation
2691:
2677:Ouray Formation
2652:Aneth Formation
2643:
2599:
2575:Osage Formation
2570:Molas Formation
2541:
2516:
2497:Molas Formation
2477:Keyes Formation
2427:Atoka Formation
2418:
2379:
2355:Weber Formation
2290:Lyons Formation
2230:Chase Formation
2207:
2171:
2122:
2111:
2105:
2102:
2053:
2040:
2012:
1987:
1969:
1942:
1919:
1909:
1876:
1838:
1792:
1769:
1701:Lewis Formation
1691:Lance Formation
1666:Greenhorn Shale
1589:
1578:
1572:
1569:
1528:
1506:
1433:
1425:Uinta Formation
1367:
1363:Pitch Formation
1338:Brule Formation
1329:
1299:
1293:
1282:
1273:Trump Formation
1224:
1206:
1170:
1125:
1093:
1082:
1076:
1073:
1040:
1031:
1001:
1000:
996:, 12 Oct. 2009.
988:
984:
978:
974:
963:
959:
953:
949:
944:
940:
935:
931:
926:
919:
914:
905:
899:
886:
880:
873:
868:
861:
852:
850:
845:
844:
835:
819:
802:
797:
787:
760:
748:
736:
692:
687:
686:
685:
679:
674:
665:
657:biostratigraphy
639:sponge spicules
623:Tooth whorl of
617:
609:Green Mountains
585:carbonate rocks
565:
462:
374:
325:of the western
265:
263:
133:
108:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
44:
43:
38:
28:
23:
22:
15:
12:
11:
5:
3146:
3144:
3136:
3135:
3130:
3125:
3120:
3115:
3110:
3105:
3100:
3095:
3090:
3085:
3075:
3074:
3068:
3067:
3064:
3063:
3060:
3059:
3057:
3056:
3050:
3047:
3046:
3043:
3042:
3040:
3035:
3033:
3024:
3018:
3017:
3015:
3014:
3012:Tava Formation
3008:
3005:
3004:
3002:
2997:
2995:
2986:
2977:
2968:
2962:
2961:
2958:
2956:
2955:
2948:
2941:
2933:
2926:
2925:
2922:
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2918:
2917:
2914:
2913:
2911:
2910:
2905:
2899:
2896:
2895:
2892:
2891:
2889:
2888:
2883:
2877:
2875:
2866:
2860:
2859:
2856:
2855:
2853:
2852:
2847:
2841:
2839:
2833:
2832:
2830:
2825:
2823:
2814:
2805:
2799:
2798:
2795:
2794:
2792:
2791:
2786:
2780:
2777:
2776:
2774:
2773:
2767:
2765:
2756:
2750:
2749:
2747:
2746:
2741:
2735:
2733:
2727:
2726:
2724:
2719:
2714:
2712:
2703:
2697:
2696:
2693:
2692:
2690:
2689:
2684:
2679:
2674:
2669:
2664:
2659:
2657:Dyer Formation
2654:
2648:
2645:
2644:
2642:
2641:
2635:
2633:
2624:
2615:
2609:
2608:
2605:
2604:
2601:
2600:
2598:
2597:
2592:
2587:
2582:
2577:
2572:
2567:
2562:
2557:
2552:
2546:
2543:
2542:
2540:
2535:
2533:
2524:
2518:
2517:
2515:
2514:
2509:
2504:
2499:
2494:
2489:
2484:
2479:
2474:
2469:
2464:
2459:
2454:
2449:
2444:
2439:
2434:
2429:
2423:
2420:
2419:
2417:
2412:
2407:
2405:
2396:
2387:
2381:
2380:
2378:
2377:
2375:Yeso Formation
2372:
2367:
2362:
2357:
2352:
2347:
2342:
2337:
2332:
2327:
2322:
2317:
2312:
2307:
2302:
2297:
2292:
2287:
2282:
2277:
2272:
2267:
2262:
2257:
2252:
2247:
2242:
2237:
2232:
2227:
2222:
2216:
2213:
2212:
2209:
2208:
2206:
2205:
2200:
2194:
2192:
2183:
2177:
2176:
2173:
2172:
2170:
2165:
2160:
2155:
2153:
2144:
2135:
2126:
2115:
2107:
2106:
2103:
2101:
2100:
2093:
2086:
2078:
2071:
2070:
2067:
2066:
2063:
2062:
2059:
2058:
2055:
2054:
2052:
2051:
2045:
2042:
2041:
2039:
2038:
2033:
2028:
2022:
2020:
2014:
2013:
2011:
2006:
2004:
1995:
1989:
1988:
1986:
1985:
1980:
1978:Jelm Formation
1974:
1971:
1970:
1968:
1967:
1961:
1959:
1950:
1944:
1943:
1941:
1940:
1934:
1932:
1923:
1915:
1914:
1911:
1910:
1908:
1907:
1902:
1897:
1892:
1886:
1884:
1878:
1877:
1875:
1874:
1869:
1867:Page Formation
1864:
1862:Garo Formation
1859:
1854:
1848:
1846:
1840:
1839:
1837:
1836:
1831:
1826:
1821:
1815:
1813:
1804:
1798:
1797:
1794:
1793:
1791:
1790:
1785:
1779:
1777:
1771:
1770:
1768:
1763:
1758:
1753:
1748:
1743:
1738:
1733:
1731:Pando Porphyry
1728:
1723:
1718:
1713:
1708:
1703:
1698:
1693:
1688:
1683:
1678:
1673:
1668:
1663:
1661:Graneros Shale
1658:
1653:
1648:
1643:
1638:
1633:
1628:
1623:
1618:
1613:
1611:
1602:
1593:
1582:
1574:
1573:
1570:
1568:
1567:
1560:
1553:
1545:
1538:
1537:
1534:
1533:
1530:
1529:
1527:
1526:
1521:
1515:
1512:
1511:
1508:
1507:
1505:
1504:
1499:
1494:
1489:
1484:
1479:
1474:
1469:
1464:
1459:
1454:
1449:
1443:
1441:
1435:
1434:
1432:
1427:
1422:
1417:
1412:
1407:
1402:
1397:
1392:
1387:
1382:
1377:
1375:
1369:
1368:
1366:
1365:
1360:
1355:
1350:
1345:
1340:
1334:
1331:
1330:
1328:
1323:
1321:
1312:
1303:
1295:
1294:
1292:
1287:
1284:
1283:
1281:
1280:
1275:
1270:
1265:
1260:
1255:
1250:
1245:
1240:
1235:
1229:
1226:
1225:
1223:
1222:
1216:
1214:
1208:
1207:
1205:
1204:
1199:
1193:
1191:
1182:
1176:
1175:
1172:
1171:
1169:
1168:
1163:
1157:
1155:
1146:
1137:
1131:
1130:
1127:
1126:
1124:
1123:
1117:
1115:
1106:
1097:
1086:
1078:
1077:
1074:
1072:
1071:
1064:
1057:
1049:
1042:
1041:
1032:
1030:
1029:
1022:
1015:
1007:
999:
998:
982:
972:
957:
947:
938:
929:
917:
903:
884:
871:
859:
833:
799:
798:
796:
793:
786:
783:
775:organic matter
759:
756:
747:
744:
735:
732:
691:
688:
676:
675:
668:
667:
666:
664:
661:
616:
613:
599:of Permian to
564:
561:
533:
532:
525:
507:
496:
481:
472:chert member (
461:
458:
386:cratonic shelf
378:foreland basin
373:
370:
354:organic matter
348:. Many of its
312:Piceance Basin
299:
298:
295:
291:
290:
284:
280:
279:
275:
274:
261:
257:
256:
239:
235:
234:
230:
229:
216:
212:
211:
198:
194:
193:
189:
188:
185:
181:
180:
177:
173:
172:
159:
155:
154:
149:
145:
144:
139:
135:
134:
126:Big Hole River
119:
111:
110:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
47:
35:
34:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3145:
3134:
3131:
3129:
3126:
3124:
3121:
3119:
3116:
3114:
3113:Permian Idaho
3111:
3109:
3106:
3104:
3101:
3099:
3096:
3094:
3091:
3089:
3086:
3084:
3081:
3080:
3078:
3055:
3052:
3051:
3039:
3036:
3034:
3032:
3028:
3025:
3023:
3019:
3013:
3010:
3009:
3001:
2998:
2996:
2994:
2990:
2987:
2985:
2981:
2978:
2976:
2972:
2969:
2967:
2963:
2954:
2949:
2947:
2942:
2940:
2935:
2934:
2931:
2927:
2909:
2906:
2904:
2901:
2900:
2887:
2884:
2882:
2879:
2878:
2876:
2874:
2870:
2867:
2865:
2861:
2851:
2848:
2846:
2843:
2842:
2840:
2838:
2834:
2829:
2826:
2824:
2822:
2818:
2815:
2813:
2809:
2806:
2804:
2800:
2790:
2787:
2785:
2782:
2781:
2772:
2769:
2768:
2766:
2764:
2760:
2757:
2755:
2751:
2745:
2742:
2740:
2737:
2736:
2734:
2732:
2728:
2723:
2720:
2718:
2715:
2713:
2711:
2707:
2704:
2702:
2698:
2688:
2685:
2683:
2680:
2678:
2675:
2673:
2670:
2668:
2665:
2663:
2660:
2658:
2655:
2653:
2650:
2649:
2640:
2637:
2636:
2634:
2632:
2628:
2625:
2623:
2619:
2616:
2614:
2610:
2596:
2593:
2591:
2588:
2586:
2583:
2581:
2578:
2576:
2573:
2571:
2568:
2566:
2563:
2561:
2558:
2556:
2553:
2551:
2548:
2547:
2544:
2539:
2536:
2534:
2532:
2528:
2525:
2523:
2519:
2513:
2510:
2508:
2505:
2503:
2500:
2498:
2495:
2493:
2490:
2488:
2485:
2483:
2480:
2478:
2475:
2473:
2470:
2468:
2465:
2463:
2460:
2458:
2455:
2453:
2450:
2448:
2445:
2443:
2440:
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2435:
2433:
2430:
2428:
2425:
2424:
2416:
2413:
2411:
2408:
2406:
2404:
2400:
2397:
2395:
2391:
2388:
2386:
2382:
2376:
2373:
2371:
2368:
2366:
2363:
2361:
2358:
2356:
2353:
2351:
2348:
2346:
2343:
2341:
2338:
2336:
2333:
2331:
2328:
2326:
2323:
2321:
2318:
2316:
2313:
2311:
2308:
2306:
2303:
2301:
2298:
2296:
2293:
2291:
2288:
2286:
2283:
2281:
2278:
2276:
2273:
2271:
2268:
2266:
2263:
2261:
2258:
2256:
2253:
2251:
2248:
2246:
2243:
2241:
2238:
2236:
2233:
2231:
2228:
2226:
2223:
2221:
2218:
2217:
2204:
2201:
2199:
2196:
2195:
2193:
2191:
2187:
2184:
2182:
2178:
2169:
2166:
2164:
2161:
2159:
2156:
2154:
2152:
2151:Changhsingian
2148:
2145:
2143:
2139:
2136:
2134:
2130:
2127:
2125:
2119:
2116:
2114:
2108:
2099:
2094:
2092:
2087:
2085:
2080:
2079:
2076:
2072:
2050:
2047:
2046:
2037:
2034:
2032:
2029:
2027:
2024:
2023:
2021:
2019:
2015:
2010:
2007:
2005:
2003:
1999:
1996:
1994:
1990:
1984:
1981:
1979:
1976:
1975:
1966:
1963:
1962:
1960:
1958:
1954:
1951:
1949:
1945:
1939:
1936:
1935:
1933:
1931:
1927:
1924:
1922:
1916:
1906:
1903:
1901:
1898:
1896:
1893:
1891:
1888:
1887:
1885:
1883:
1879:
1873:
1870:
1868:
1865:
1863:
1860:
1858:
1855:
1853:
1850:
1849:
1847:
1845:
1841:
1835:
1832:
1830:
1827:
1825:
1822:
1820:
1817:
1816:
1814:
1812:
1808:
1805:
1803:
1799:
1789:
1786:
1784:
1781:
1780:
1778:
1776:
1772:
1767:
1764:
1762:
1759:
1757:
1754:
1752:
1749:
1747:
1744:
1742:
1739:
1737:
1734:
1732:
1729:
1727:
1724:
1722:
1719:
1717:
1714:
1712:
1709:
1707:
1704:
1702:
1699:
1697:
1694:
1692:
1689:
1687:
1684:
1682:
1679:
1677:
1674:
1672:
1669:
1667:
1664:
1662:
1659:
1657:
1654:
1652:
1649:
1647:
1644:
1642:
1639:
1637:
1634:
1632:
1629:
1627:
1624:
1622:
1621:Carlile Shale
1619:
1617:
1614:
1612:
1610:
1606:
1603:
1601:
1597:
1594:
1592:
1586:
1583:
1581:
1575:
1566:
1561:
1559:
1554:
1552:
1547:
1546:
1543:
1539:
1525:
1522:
1520:
1517:
1516:
1503:
1500:
1498:
1495:
1493:
1490:
1488:
1485:
1483:
1480:
1478:
1475:
1473:
1470:
1468:
1465:
1463:
1460:
1458:
1455:
1453:
1450:
1448:
1445:
1444:
1442:
1440:
1436:
1431:
1428:
1426:
1423:
1421:
1418:
1416:
1413:
1411:
1408:
1406:
1403:
1401:
1398:
1396:
1395:Dawson Arkose
1393:
1391:
1388:
1386:
1383:
1381:
1378:
1376:
1374:
1370:
1364:
1361:
1359:
1356:
1354:
1351:
1349:
1346:
1344:
1341:
1339:
1336:
1335:
1327:
1324:
1322:
1320:
1316:
1313:
1311:
1307:
1304:
1302:
1296:
1291:
1288:
1279:
1276:
1274:
1271:
1269:
1266:
1264:
1261:
1259:
1256:
1254:
1251:
1249:
1246:
1244:
1241:
1239:
1236:
1234:
1231:
1230:
1221:
1218:
1217:
1215:
1213:
1209:
1203:
1200:
1198:
1195:
1194:
1192:
1190:
1186:
1183:
1181:
1177:
1167:
1164:
1162:
1159:
1158:
1156:
1154:
1150:
1147:
1145:
1141:
1138:
1136:
1132:
1122:
1119:
1118:
1116:
1114:
1110:
1107:
1105:
1101:
1098:
1096:
1090:
1087:
1085:
1079:
1070:
1065:
1063:
1058:
1056:
1051:
1050:
1047:
1043:
1039:
1035:
1028:
1023:
1021:
1016:
1014:
1009:
1008:
1005:
995:
991:
986:
983:
976:
973:
969:
968:
961:
958:
951:
948:
942:
939:
933:
930:
924:
922:
918:
912:
910:
908:
904:
897:
895:
893:
891:
889:
885:
878:
876:
872:
866:
864:
860:
849:
842:
840:
838:
834:
831:
830:0-7167-2438-3
827:
823:
817:
815:
813:
811:
809:
807:
805:
801:
794:
792:
791:
784:
782:
780:
776:
772:
768:
764:
757:
755:
753:
745:
743:
741:
733:
731:
729:
725:
721:
717:
713:
709:
701:
696:
689:
683:
678:
672:
662:
660:
658:
654:
653:
648:
644:
643:crinoid stems
640:
636:
628:
627:
621:
614:
612:
611:to the east.
610:
606:
602:
598:
594:
590:
586:
582:
578:
574:
570:
569:Sublett Range
562:
560:
558:
554:
550:
546:
542:
538:
537:Pennsylvanian
530:
526:
523:
520:
516:
512:
508:
505:
501:
497:
494:
490:
486:
482:
479:
475:
471:
467:
466:
465:
459:
457:
455:
451:
447:
443:
439:
435:
431:
427:
423:
419:
415:
411:
407:
403:
399:
395:
391:
387:
383:
379:
371:
369:
367:
363:
359:
355:
351:
347:
343:
338:
336:
335:Early Permian
332:
328:
327:United States
324:
316:
313:
309:
305:
296:
292:
289:
285:
281:
276:
273:
262:
258:
255:
251:
247:
243:
240:
236:
231:
228:
224:
220:
217:
213:
210:
206:
202:
199:
195:
190:
186:
182:
178:
174:
171:
167:
163:
160:
156:
153:
150:
146:
143:
140:
136:
131:
127:
123:
117:
112:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
45:Early Permian
41:
36:
31:
19:
2314:
1741:Pierre Shale
1711:Mancos Shale
1641:Dakota Group
993:
985:
975:
966:
960:
950:
941:
932:
851:. Retrieved
821:
788:
773:are rich in
761:
749:
737:
705:
650:
632:
624:
615:Paleontology
566:
534:
528:
510:
499:
484:
469:
463:
375:
352:are rich in
339:
322:
320:
278:Type section
2763:Tremadocian
2531:Tournaisian
1721:Mowry Shale
1676:Juana Lopez
1390:D2 Sequence
1113:Pleistocene
718:, northern
700:phosphorite
652:Helicoprion
635:brachiopods
626:Helicoprion
579:and cherty
559:and bones.
557:fish scales
529:Lower Chert
410:hydrocarbon
342:phosphorite
223:phosphorite
128:in western
3077:Categories
2873:Guzhangian
2181:Cisuralian
1212:Aquitanian
853:2014-12-23
795:References
722:, western
708:phosphorus
690:Phosphorus
684:, in 2008.
519:calcareous
511:Meade Peak
430:molybdenum
346:phosphorus
18:Phosphoria
2812:Furongian
2631:Famennian
2142:Lopingian
2002:Olenekian
1439:Paleocene
1310:Oligocene
1189:Messinian
822:Petrology
767:dolomites
763:Petroleum
758:Petroleum
698:Peloidal
581:sandstone
573:Paleozoic
539:-Permian
522:sandstone
493:siltstone
480:at base).
478:limestone
406:phosphate
402:carbonate
382:Paleozoic
362:dolomites
283:Named for
227:sandstone
201:Limestone
192:Lithology
184:Thickness
148:Underlies
3031:Siderian
2864:Series 3
2821:Stage 10
2403:Gzhelian
2190:Asselian
1319:Chattian
1153:Zanclean
1144:Pliocene
1038:Colorado
980:305-308.
955:119-123.
882:169-190.
785:See also
777:and are
752:vanadium
746:Vanadium
601:Triassic
489:dolomite
450:vanadium
442:selenium
426:fluorine
418:chromium
390:plankton
364:include
356:and are
294:Named by
233:Location
205:dolomite
158:Overlies
2837:Paibian
1957:Anisian
1180:Miocene
901:A1-A47.
740:uranium
734:Uranium
728:Montana
724:Wyoming
587:of the
571:in the
547:or the
515:oolitic
446:uranium
414:cadmium
398:clastic
260:Country
254:Wyoming
246:Montana
197:Primary
130:Montana
122:outcrop
2993:Tonian
2731:Middle
2018:Induan
1948:Middle
1844:Middle
1373:Eocene
828:
771:shales
593:redbed
491:, and
485:Retort
452:, and
434:nickel
422:copper
394:nekton
350:shales
269:
238:Region
2754:Lower
2710:Upper
2622:Upper
1993:Lower
1930:Upper
1882:Lower
1811:Upper
1775:Lower
1609:Upper
716:Idaho
577:chert
504:shale
476:with
474:chert
329:is a
308:Uinta
288:Idaho
242:Idaho
219:Chert
215:Other
209:shale
826:ISBN
720:Utah
591:and
527:The
509:The
498:The
483:The
470:Tosi
468:The
454:zinc
408:and
400:and
392:and
321:The
250:Utah
176:Area
138:Type
50:Preκ
1036:of
500:Rex
424:,
368:.
333:of
272:USA
120:An
3079::
2966:pΠ
2123:Pz
2112:Ph
1920:Tr
1590:Mz
1579:Ph
1300:Pe
1094:Cz
1083:Ph
992:,
920:^
906:^
887:^
874:^
862:^
836:^
803:^
781:.
750:A
730:.
659:.
645:,
641:,
637:,
524:).
506:).
495:).
456:.
448:,
444:,
440:,
436:,
432:,
428:,
420:,
416:,
252:,
248:,
244:,
225:,
221:,
207:,
203:,
168:,
164:,
100:Pg
42::
3022:X
2984:Z
2975:β
2952:e
2945:t
2938:v
2803:Π
2701:O
2613:D
2522:M
2394:β
2385:C
2133:P
2097:e
2090:t
2083:v
1802:J
1600:K
1564:e
1557:t
1550:v
1135:N
1104:Q
1068:e
1061:t
1054:v
1026:e
1019:t
1012:v
856:.
310:-
132:.
105:N
95:K
90:J
85:T
80:P
75:C
70:D
65:S
60:O
55:κ
20:)
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