37:
191:
5799:
36:
362:
4496:
237:
is a thin distinct silty unit. It has sharp distinct boundaries at its top and base. It is flaggy, locally fossiliferous and is displays cross bedding in some locations. The upper contact maybe a
2234:
384:
5843:
557:
267:
The basial Jaycox contains the Hills Gulch bed, a fossiliferous bed with corals and shells, as well as megaburrows at its basial contact. The Hills Gulch is a calcareous siltstone.
1093:
5877:
5872:
2227:
414:"SEQUENCE STRATIGRAPHY OF THE MIDDLE DEVONIAN AT THE BORDER OF THE MICHIGAN BASIN: CORRELATIONS WITH NEW YORK AND IMPLICATIONS FOR SEA-LEVEL CHANGE AND PALEOGEOGRAPHY"
5862:
5836:
4482:
3329:
Gantz, Hundred-foot sand, Fifty-foot sand, Thirty-foot sand, Nineveh-Snee, Gordon Stray, Fourth Sand, Fifth Sand, Bayard Sand, Elizabeth Sand, Sweet
Richard,
550:
3353:
Upper Warren, Lower Warren, Speechely Stray, Speechely, Balltown A, Balltown B, Balltown C, Sheffield, First
Bradford, Second Bradford, Third Bradford, Kane
2220:
5829:
1086:
543:
1079:
4489:
363:"SEDIMENTARY CYCLES AND LATERAL FACIES GRADIENTS ACROSS A MIDDLE DEVONIAN SHELF-TO-BASIN RAMP LUDLOWVILLE FORMATION, CAYUGA BASIN"
5867:
3056:
3034:
241:, rather than an erosional disconformity. This unit is fairly thin only 1-2' thick in outcrops. It thickens westward.
2408:
2683:
2673:
2418:
2393:
2743:
2733:
2610:
2599:
2852:
2836:
2794:
2783:
3840:
3822:
3804:
3418:
2992:
2982:
264:
The Jaycox
Formation is a geologic formation in New York. It preserves fossils dating back to the Devonian period.
4706:
2899:
2806:
2758:
2748:
2678:
2542:
1263:
2882:
2738:
2620:
2615:
2563:
2398:
5809:
3024:
2961:
2857:
2547:
2068:
1945:
290:
206:
50:
2925:
2753:
2491:
4424:
2841:
2631:
2532:
2501:
2476:
5681:
4661:
2951:
2887:
2552:
2537:
2481:
2443:
1186:
5463:
4211:
3662:
3611:
2893:
2877:
2728:
2625:
1681:
1035:
1006:
988:
749:
413:
309:
124:
5243:
5147:
4370:
4229:
3891:
3482:
3446:
3183:
3046:
2866:
2688:
2594:
2355:
2345:
2340:
1863:
1615:
651:
3487:
3451:
3332:
3296:
3143:
3076:
2846:
2830:
2723:
2569:
2516:
2310:
1220:
973:
646:
443:"Morphology, systematics, and evolution of Middle Devonian Ambocoeliidae (Brachiopoda), western New York"
5634:
5583:
5565:
5473:
5468:
5238:
4678:
4434:
4246:
4056:
3955:
3606:
3120:
2496:
2486:
2078:
2035:
674:
631:
626:
102:
5770:
5345:
4464:
4321:
3667:
3394:
2997:
2987:
2936:
2908:
2698:
2693:
2589:
2335:
2325:
2320:
1025:
983:
968:
4316:
4221:
4216:
4191:
4186:
4181:
3441:
3153:
3087:
3065:
3051:
2365:
963:
312:. The Peppermill Gulf bed is included within the Centerfield Lime. The unit was named by Smith (1930)
5701:
5578:
5422:
4941:
4747:
4429:
4326:
4272:
4158:
3794:
3674:
3501:
3291:
3179:
3040:
2930:
2778:
2636:
2579:
2526:
2466:
2413:
2383:
2373:
2197:
2114:
2040:
2000:
1930:
1913:
1845:
1686:
1668:
1641:
1562:
1523:
1225:
1208:
1163:
1030:
808:
699:
656:
505:
454:
3342:
2604:
2557:
2403:
2315:
978:
412:
Bartholomew, Alexander J; Brett, Carlton E.; DeSantis, Michael; Baird, Gordon C.; Tsujita, Cameron.
82:
5765:
5539:
5445:
5340:
5317:
5184:
4793:
4783:
4778:
4761:
4742:
4714:
4153:
4120:
4099:
3703:
3423:
3318:
3311:
3158:
3138:
3103:
2788:
2663:
2185:
2142:
2109:
2063:
1950:
1798:
1651:
1646:
1582:
1577:
1407:
1290:
1248:
92:
87:
2919:
2360:
2350:
2330:
1486:
97:
5753:
5666:
5656:
5307:
5271:
5248:
5216:
5089:
5071:
5035:
5025:
4946:
4931:
4913:
4839:
4834:
4505:
4439:
4002:
3986:
3799:
3786:
3739:
3712:
3582:
3496:
3413:
3399:
3286:
3242:
3201:
3081:
2820:
2767:
2707:
2243:
1995:
1813:
1803:
1701:
1696:
1610:
1572:
1567:
1431:
1325:
1307:
1253:
1102:
1018:
902:
772:
566:
478:
3360:
5696:
5686:
5661:
5619:
5509:
5504:
5488:
5450:
5417:
5394:
5302:
5266:
4961:
4737:
4419:
4402:
4385:
4375:
4305:
4260:
4238:
4200:
4051:
3854:
3524:
3219:
3127:
2510:
2073:
2058:
2050:
2030:
2010:
1980:
1940:
1878:
1491:
1215:
1048:
1013:
636:
521:
470:
5813:
5549:
5478:
5412:
5389:
5372:
5312:
5285:
5152:
5142:
5107:
4951:
4811:
4788:
4732:
4394:
4284:
4145:
4075:
4030:
3915:
3849:
3657:
3652:
3577:
3519:
3508:
3301:
3148:
3018:
2971:
2945:
2300:
2119:
2025:
1990:
1985:
1972:
1935:
1923:
1903:
1888:
1883:
1868:
1858:
1835:
1731:
1691:
1600:
1544:
1534:
1481:
1276:
1158:
946:
843:
777:
739:
694:
641:
570:
513:
462:
305:
294:
217:
210:
114:
77:
5676:
5651:
5322:
5020:
4992:
4975:
4898:
4893:
4849:
4829:
4696:
4361:
4292:
4255:
4094:
3896:
3636:
3621:
3549:
3389:
3230:
2814:
2657:
2020:
2015:
1908:
1840:
1780:
1587:
1539:
1528:
1518:
1501:
1455:
1421:
1402:
1353:
1348:
1330:
1271:
1243:
767:
730:
713:
509:
458:
5737:
5526:
5066:
5049:
5030:
5015:
4997:
4936:
4876:
4039:
3790:
3769:
3755:
3692:
3641:
3544:
3471:
3430:
3408:
3269:
2718:
2178:
2129:
2005:
1830:
1625:
1605:
1474:
1380:
791:
735:
689:
609:
60:
4474:
344:
This unit also contains several corals including; Eridophyllum and
Heliophyllum hali.
5856:
5134:
4956:
4903:
4844:
4652:
4634:
4509:
4170:
4083:
3883:
3591:
3562:
3558:
3306:
3235:
3225:
2460:
2434:
2294:
2212:
2124:
1724:
1426:
1397:
1335:
1203:
1177:
1153:
835:
684:
679:
482:
24:
5806:
5258:
5233:
5202:
5179:
5162:
4770:
4109:
4019:
3975:
3944:
3927:
3904:
3587:
3533:
3208:
3112:
2247:
1898:
1893:
1873:
1793:
1775:
1757:
1740:
1469:
1450:
919:
888:
870:
853:
298:
72:
535:
5728:
5719:
5558:
5497:
5427:
4821:
4517:
4457:
4163:
3193:
2255:
2169:
2160:
1317:
1114:
578:
442:
5691:
5627:
5571:
5381:
5363:
5171:
5099:
4908:
4724:
4688:
4617:
4136:
3936:
3832:
3378:
3010:
2649:
2286:
1963:
1749:
1660:
1414:
1235:
1145:
937:
862:
466:
385:"CORRELATION OF THE FALKIRK AND FIDDLERS GREEN MEMBER OF THE BERTIE FORMATION"
341:
250:
190:
1071:
525:
497:
474:
5746:
5610:
5518:
5294:
4885:
4597:
4539:
4351:
3278:
2266:
2101:
1389:
1125:
618:
589:
517:
337:
321:
157:
149:
4803:
3171:
1299:
308:. It is the lowest member of the Ludlowville Formation and it overlies the
5601:
5437:
5332:
5225:
5194:
5125:
5007:
4984:
4923:
4867:
4670:
4626:
4581:
4570:
4528:
4342:
4011:
3967:
3874:
3684:
3630:
3463:
3260:
2452:
2092:
1822:
1767:
1715:
1554:
1510:
1442:
1371:
1195:
998:
911:
880:
826:
759:
722:
666:
600:
333:
302:
214:
153:
28:
5798:
5081:
4608:
3814:
2277:
1136:
325:
238:
5404:
5058:
4550:
3778:
1634:
955:
800:
329:
3371:
1st Elk Sand, 2nd Elk Sand, 3rd Elk Sand, 4th Elk Sand, 5th Elk Sand
139:
1106:
4478:
2216:
1075:
539:
41:
Monodechenella macrocephala, Houston Museum of
Natural Science
5817:
498:"Stratigraphy of the Hamilton Group, eastern New York"
5745:
5736:
5727:
5718:
5618:
5609:
5600:
5557:
5548:
5517:
5496:
5487:
5436:
5403:
5380:
5371:
5362:
5331:
5293:
5284:
5257:
5224:
5215:
5193:
5170:
5161:
5133:
5124:
5098:
5080:
5057:
5048:
5006:
4983:
4974:
4922:
4884:
4875:
4866:
4820:
4802:
4769:
4760:
4723:
4705:
4687:
4669:
4660:
4651:
4625:
4616:
4607:
4596:
4580:
4569:
4549:
4538:
4527:
4516:
4456:
4393:
4384:
4350:
4341:
4283:
4237:
4144:
4135:
4074:
4010:
4001:
3966:
3935:
3926:
3882:
3873:
3831:
3813:
3777:
3768:
3683:
3629:
3620:
3462:
3277:
3268:
3259:
3192:
3170:
3111:
3102:
3009:
2805:
2648:
2451:
2442:
2433:
2285:
2276:
2265:
2254:
2177:
2168:
2159:
2100:
2091:
2049:
1971:
1962:
1922:
1821:
1812:
1766:
1748:
1739:
1723:
1714:
1659:
1633:
1624:
1553:
1509:
1500:
1441:
1388:
1379:
1370:
1316:
1298:
1289:
1262:
1234:
1194:
1185:
1176:
1144:
1135:
1124:
1113:
997:
954:
945:
936:
910:
901:
879:
861:
852:
834:
825:
799:
790:
758:
721:
712:
665:
617:
608:
599:
588:
577:
180:
168:
163:
145:
135:
130:
120:
110:
66:
56:
46:
18:
256:is one of the fossils the Owasco is noted for.
441:Goldman, Daniel; Mitchell, Charles E. (1990).
195:Geographic extent of the Ludlowville Formation
5837:
4490:
2228:
1087:
551:
8:
5844:
5830:
5742:
5733:
5724:
5615:
5606:
5554:
5493:
5377:
5368:
5290:
5221:
5167:
5130:
5054:
4980:
4881:
4872:
4766:
4666:
4657:
4622:
4613:
4604:
4577:
4546:
4535:
4524:
4497:
4483:
4475:
4390:
4347:
4141:
4007:
3932:
3879:
3774:
3626:
3274:
3265:
3108:
2448:
2439:
2282:
2273:
2262:
2235:
2221:
2213:
2174:
2165:
2097:
1968:
1818:
1745:
1720:
1630:
1506:
1385:
1376:
1295:
1191:
1182:
1141:
1132:
1121:
1094:
1080:
1072:
951:
942:
907:
858:
831:
796:
718:
614:
605:
596:
585:
558:
544:
536:
189:
35:
15:
5878:New York (state) geologic formation stubs
5873:Devonian southern paleotemperate deposits
213:, Ohio and Pennsylvania. It dates to the
353:
3057:Lower Connoquenessing Sandstone Member
3035:Upper Connoquenessing Sandstone Member
7:
5863:Devonian geology of New York (state)
5795:
5793:
5816:. You can help Knowledge (XXG) by
2409:Middle Washington Limestone Member
14:
2684:Lower Pittsburgh Limestone Member
2674:Upper Pittsburgh Limestone Member
2419:Lower Washington Limestone Member
2394:Upper Washington Limestone Member
5797:
2744:Lower Saltsburg Sandstone Member
2734:Upper Saltsburg Sandstone Member
2611:Lower Sewickley Sandstone Member
2600:Upper Sewickley Sandstone Member
392:Otto's Website (ottohmuller.com)
2853:Upper Freeport Limestone Member
2837:Upper Freeport Limestone Member
2795:Lower Mahoning Sandstone Member
2784:Upper Mahoning Sandstone Member
5805:This article about a specific
1:
2993:Lower Mercer Limestone Member
2983:Upper Mercer Limestone Member
496:Cooper, G. A. (1934-01-01).
3750:Bobs Ridge Sandstone Member
2900:Kittanning Sandstone Member
2759:Bush Creek Limestone Member
2749:Pine Creek Limestone Member
2679:Little Pittsburgh coal seam
2607:"Meigis Creek" "No. 9 Coal"
2543:Waynesburg Limestone Member
502:American Journal of Science
5894:
5792:
3841:Helderberg Group (geology)
3823:Helderberg Group (geology)
3805:Helderberg Group (geology)
3419:Huntley Mountain Formation
2883:Johnstone Limestone Member
2739:Woods Run Limestone Member
2621:Cedarville Sanstone Member
2616:Sewickley Limestone Member
2564:Uniontown Limestone Member
2399:Jollytown Limestone Member
3025:Connoquenessing Formation
2962:Homewood Sandstone Member
2858:Freeport Sandstone Member
2548:Uniontown Sanstone Member
1344:
467:10.1017/s0022336000042256
361:BRETT, CARLTON E (1986).
324:unit contains fossils of
188:
34:
23:
2926:Vanport Limestone Member
2754:Buffalo Sandstone Member
2492:Middle Waynesburg Member
2069:Point Pleasant Formation
1946:Drowning Creek Formation
5812:in New York state is a
5682:Conococheague Formation
4425:Pleasent Hill Formation
2842:Butler Sandstone Member
2632:Westone Sanstone Member
2533:Gilboy Sandstone Member
2502:Lower Waynesburg Member
2477:Upper Waynesburg Member
518:10.2475/ajs.s5-27.157.1
447:Journal of Paleontology
301:. It dates back to the
5244:Williamsport Formation
5148:Bass Islands Formation
3892:Bass Islands Formation
2952:Beaver River Formation
2888:Middle Kittanning Coal
2553:Annabelle Shale Member
2538:Little Waynesburg Coal
2482:Little Washington Coal
1616:Tenmile Creek Dolomite
5868:Devonian Pennsylvania
5635:Copper Ridge Dolomite
5566:Wells Creek Formation
5469:Martinsburg Formation
5464:Dolly Ridge Formation
5239:Wills Creek Formation
4679:Monongahela Formation
4247:Wells Creek Formation
4212:Linden Hall Formation
4057:Goat Island Formation
3663:Skaneateles Formation
3612:Murrysville Sandstone
3222:"Big Injun Sandstone"
2894:Lower Kittanning Coal
2878:Upper Kittanning Coal
2729:Upper Bakerstown coal
2626:Redstone-Pomeroy coal
2370:Upper Washington Coal
2079:Wells Creek Formation
2036:Waynesville Formation
1682:Bass Islands Dolomite
1036:Sugar River Formation
1007:Kings Falls Formation
989:Sugar River Formation
750:Skaneatales Formation
745:Ludlowville Formation
675:Rhinestreet Formation
627:Cattaraugus Formation
504:. s5-27 (157): 1–12.
310:Skaneateles Formation
287:Centerfield Limestone
281:Centerfield Limestone
203:Ludlowville Formation
125:Skaneateles Formation
103:Centerfield Limestone
19:Ludlowville Formation
5702:Waynesboro Formation
5579:Beekmantown Dolomite
5423:Reedsville Formation
4942:West Falls Formation
4748:Pocahontas Formation
4430:Waynesboro Formation
4371:Gatesburgh Formation
4327:Stonehenge Formation
4273:Bellefonte Formation
4230:Loyalsburg Formation
4159:Reedsville Formation
3795:Bois Blanc Formation
3675:Mahantango Formation
3502:Lock Haven Formation
3483:Sherman Creek Member
3447:Sherman Creek Member
3292:Lock Haven Formation
3184:Loyalhanna Formation
3180:Greenbrier Limestone
3047:Quakertown Fire Clay
2867:Kittanning Formation
2689:Connellsville Member
2637:Pittsburgh coal seam
2595:Upper Sewickley Coal
2580:Pittsburgh Formation
2467:Waynesburg Formation
2384:Washington Formation
2356:Prosperity Limestone
2346:Claysville Limestone
2341:Fish Creek Sandstone
2198:Middle Run Formation
2115:Eau Claire Formation
2041:Whitewater Formation
2001:Grant Lake Formation
1931:Brassfield Formation
1914:Springfield Dolomite
1864:Cedarville Formation
1846:Goat Island Dolomite
1687:Bois Blanc Formation
1669:Holland Quarry Shale
1642:Amherstburg Dolomite
1563:Amherstburg Dolomite
1524:Mahantango Formation
1226:Pittsburgh Formation
1209:Waynesburg Formation
1164:Washington Formation
809:Bois Blanc Formation
700:West Falls Formation
652:Perrysburg Formation
5766:Swift Run Formation
5540:St. Peter Sandstone
5446:Lexington Limestone
5341:Tuscarora Sandstone
5318:Rose Hill Formation
5185:Tonoloway Formation
4794:Bluefield Formation
4784:Princeton Sandstone
4779:Bluestone Formation
4743:New River Formation
4715:Allegheny Formation
4154:Queenston Formation
4121:Tuscarora Formation
4100:Rose Hill Formation
3704:Marcellus Formation
3488:Irish Valley Member
3452:Irish Valley Member
3424:Hampshire Formation
3333:Chadakoin Formation
3312:Cussewago Formation
3297:Riceville Formation
3159:Bluefield Formation
3144:Princeton Formation
3139:Bluestone Formation
3077:Sharon Shale Member
2847:Lower Freeport Coal
2831:Upper Freeport Coal
2724:Pittsburgh Red Beds
2664:Casselman Formation
2570:Fulton Shale Member
2517:Uniontown Formation
2311:Windy Gap Limestone
2186:Swift Run Formation
2143:Mt. Simon Sandstone
2110:Conasauga Formation
2064:Lexington Limestone
1951:Manitoulin Dolomite
1799:Greenfield Dolomite
1652:Hillsboro Sandstone
1647:Detroit River Group
1583:Hillsboro Sandstone
1578:Detroit River Group
1408:Cussewago Sandstone
1249:Casselman Formation
1221:Uniontown Formation
974:Indian Castle Shale
647:Panama Conglomerate
510:1934AmJS...27....1C
459:1990JPal...64...79G
25:Stratigraphic range
5754:Catoctin Formation
5667:Weverton Formation
5657:Antietam Formation
5584:Rose Run Sandstone
5474:Nealmont Limestone
5308:McKenzie Formation
5272:McKenzie Formation
5249:McKenzie Formation
5090:Oriskany Sandstone
5072:Huntersville Chert
5036:Huntersville Chert
5026:Onondaga Limestone
4932:Brallier Formation
4914:Brallier Formation
4840:Maccrady Formation
4835:Cuyahoga Formation
4587:Igneous intrusives
4556:Igneous intrusives
4506:Chronostratigraphy
4440:Antietam Formation
4435:Tomstown Formation
3987:Syracuse Formation
3956:Camillus Formation
3800:Oriskany Formation
3787:Huntersville Chert
3740:Huntersville Chert
3713:Onondaga Limestone
3607:Knapp Conglomerate
3583:Penn Yan Formation
3497:Brallier Formation
3414:Rockwell Formation
3287:Brallier Formation
3243:Rockwell Formation
3202:Cuyahoga Formation
3121:Shenango Formation
2821:Freeport Formation
2768:Mahoning Formation
2708:Glenshaw Formation
2497:Waynesburg“A” coal
2487:Waynesburg“B” coal
2244:Chronostratigraphy
1996:Fairview Formation
1804:Tymochtee Dolomite
1702:Sylvania Sandstone
1697:Oriskany Sandstone
1611:Onondaga Limestone
1573:Delaware Limestone
1568:Columbus Limestone
1326:Cuyahoga Formation
1308:Maxville Limestone
1254:Glenshaw Formation
1103:Chronostratigraphy
1019:Lowville Formation
773:Onondaga Limestone
632:Chadokin Formation
567:Chronostratigraphy
291:geologic formation
207:geologic formation
5825:
5824:
5787:
5786:
5783:
5782:
5779:
5778:
5771:Grenville Complex
5761:
5760:
5714:
5713:
5710:
5709:
5697:Tomstown Dolomite
5687:Elbrook Formation
5671:Loudoun Formation
5662:Harpers Formation
5647:
5646:
5643:
5642:
5596:
5595:
5592:
5591:
5535:
5534:
5510:Black River Group
5505:Trenton Limestone
5459:
5458:
5451:Trenton Limestone
5418:Juniata Formation
5395:Juniata Formation
5358:
5357:
5354:
5353:
5346:Clinton Sandstone
5303:Lockport Dolomite
5280:
5279:
5267:Lockport Dolomite
5211:
5210:
5120:
5119:
5116:
5115:
5044:
5043:
4970:
4969:
4962:Genesee Formation
4862:
4861:
4858:
4857:
4756:
4755:
4738:Kanawha Formation
4647:
4646:
4643:
4642:
4592:
4591:
4565:
4564:
4561:
4560:
4472:
4471:
4465:Grenville Complex
4452:
4451:
4448:
4447:
4420:Potsdam Formation
4415:
4414:
4411:
4410:
4403:Kinzers Formation
4376:Warrior Formation
4337:
4336:
4322:Nittany Formation
4306:Beekmantown Group
4261:Beekmantown Group
4201:Black River Group
4131:
4130:
4070:
4069:
4061:Gasport Formation
4052:Eramosa Formation
3997:
3996:
3869:
3868:
3865:
3864:
3855:Manlius Limestone
3764:
3763:
3668:Tichnor Formation
3602:
3601:
3525:Rhinestreet Shale
3395:Chagrin Formation
3255:
3254:
3251:
3250:
3220:Burgoon Formation
3128:Mauch Chunk Group
3098:
3097:
2998:Lower Mercer Coal
2988:Upper Mercer Coal
2937:Brookville Member
2909:Clarian Formation
2699:Birmingham Member
2694:Morgantown Member
2590:Benwood Limestone
2511:Monongahela Group
2429:
2428:
2336:Nineveh Limestone
2326:Nineveh Sandstone
2321:Gilmore Sandstone
2210:
2209:
2206:
2205:
2193:
2192:
2155:
2154:
2151:
2150:
2138:
2137:
2087:
2086:
2074:Trenton Limestone
2059:Black River Group
2031:Trenton Limestone
2011:Liberty Formation
1981:Arnheim Formation
1958:
1957:
1941:Clinton Formation
1879:Euphemia Dolomite
1854:
1853:
1789:
1788:
1710:
1709:
1677:
1676:
1596:
1595:
1492:Rhinestreet Shale
1465:
1464:
1366:
1365:
1362:
1361:
1285:
1284:
1216:Monongahela Group
1172:
1171:
1069:
1068:
1065:
1064:
1061:
1060:
1057:
1056:
1049:Black River Group
1044:
1043:
1026:Napanee Formation
1014:Black River Group
984:Steuben Formation
969:Hillier Formation
932:
931:
928:
927:
897:
896:
821:
820:
817:
816:
786:
785:
708:
707:
421:webcentral.uc.edu
254:AIlanella tullius
199:
198:
5885:
5846:
5839:
5832:
5801:
5794:
5743:
5734:
5725:
5616:
5607:
5555:
5494:
5479:Oswego Formation
5413:Cincinnati Group
5390:Cincinnati Group
5378:
5369:
5313:Keefer Formation
5291:
5222:
5168:
5153:Keyser Formation
5143:Bertie Formation
5131:
5108:Helderberg Group
5055:
4981:
4952:Sonyea Formation
4882:
4873:
4812:Greenbrier Group
4789:Hinton Formation
4767:
4733:Pottsville Group
4667:
4658:
4623:
4614:
4605:
4600:
4578:
4573:
4547:
4542:
4536:
4531:
4525:
4520:
4499:
4492:
4485:
4476:
4391:
4348:
4317:Axeman Formation
4222:Hatter Formation
4217:Snyder Formation
4192:Rodman Formation
4187:Salona Formation
4182:Coburn Formation
4142:
4048:Guelph Formation
4031:Vernon Formation
4008:
3933:
3916:Bertie Formation
3880:
3850:Keyser Formation
3775:
3658:Ludlow Formation
3653:Moscow Formation
3627:
3578:West River Shale
3520:Angola Formation
3509:West Falls Group
3442:Duncannon Member
3302:Oswayo Formation
3275:
3266:
3154:Maxton Sandstone
3149:Hinton Formation
3109:
3088:Sharon Sandstone
3066:Sharon Formation
3052:Quakertown Shale
3019:Pottsville Group
2972:Mercer Formation
2946:Pottsville Group
2449:
2440:
2366:Donley Limestone
2301:Greene Formation
2283:
2274:
2269:
2263:
2258:
2237:
2230:
2223:
2214:
2175:
2166:
2120:Kerbel Formation
2098:
2026:Saluda Formation
1991:Drakes Formation
1986:Cincinnati Group
1969:
1936:Cabot Head Shale
1904:Peebles Dolomite
1889:Lilley Formation
1884:Laurel Limestone
1869:Dayton Formation
1859:Bisher Formation
1836:Gasport Dolomite
1819:
1746:
1732:Bertie Formation
1721:
1692:Helderberg Group
1631:
1601:Dundee Formation
1545:Silica Formation
1535:Plum Brook Shale
1507:
1482:West Falls Group
1386:
1377:
1296:
1277:Pottsville Group
1192:
1183:
1159:Greene Formation
1142:
1133:
1128:
1122:
1117:
1096:
1089:
1082:
1073:
964:Denley Formation
952:
943:
908:
859:
844:Bertie Formation
832:
797:
778:Tioga Bentonites
740:Moscow Formation
719:
695:Sonyea Formation
642:Oswayo Formation
615:
606:
597:
592:
586:
581:
560:
553:
546:
537:
530:
529:
493:
487:
486:
438:
432:
431:
429:
427:
418:
409:
403:
402:
400:
398:
389:
383:Craft, Jesse L.
380:
374:
373:
367:
358:
193:
115:Moscow Formation
78:Jaycox Formation
39:
16:
5893:
5892:
5888:
5887:
5886:
5884:
5883:
5882:
5853:
5852:
5851:
5850:
5790:
5788:
5775:
5757:
5706:
5677:Conasauga Group
5652:Chilhowee Group
5639:
5588:
5544:
5531:
5513:
5483:
5455:
5432:
5399:
5350:
5327:
5323:Rochester Shale
5276:
5253:
5207:
5189:
5157:
5112:
5094:
5076:
5040:
5021:Marcellus Shale
5002:
4993:Tully Limestone
4966:
4918:
4899:Berea Sandstone
4894:Price Formation
4854:
4850:Berea Sandstone
4830:Price Formation
4816:
4798:
4752:
4719:
4701:
4697:Conemaugh Group
4683:
4639:
4598:
4588:
4571:
4557:
4540:
4529:
4518:
4512:
4503:
4473:
4468:
4444:
4407:
4380:
4362:Knox Supergroup
4333:
4293:Knox Supergroup
4279:
4256:Knox Supergroup
4233:
4127:
4095:Rochester Shale
4066:
3993:
3962:
3922:
3899:
3897:Akron Formation
3861:
3827:
3809:
3760:
3679:
3637:Tully Limestone
3616:
3598:
3550:Middlesex Shale
3458:
3390:Cleveland Shale
3247:
3231:Berea Sandstone
3188:
3166:
3094:
3041:Quakertown Coal
3037:"2nd Salt Sand"
3023:
3005:
2964:"1st Salt Sand"
2950:
2931:Brookville Coal
2819:
2815:Allegheny Group
2801:
2779:Bush Creek Coal
2662:
2658:Conemaugh Group
2644:
2578:
2527:Waynesburg coal
2515:
2465:
2425:
2414:Washington Coal
2382:
2374:Rockport Member
2299:
2267:
2256:
2250:
2241:
2211:
2202:
2189:
2147:
2134:
2083:
2045:
2021:Queenston Shale
2016:Miamitown Shale
1954:
1918:
1909:Rochester Shale
1850:
1841:Guelph Dolomite
1808:
1785:
1781:Guelph Dolomite
1762:
1735:
1706:
1673:
1655:
1620:
1592:
1588:Marcellus Shale
1549:
1540:Prout Limestone
1529:Olentangy Shale
1519:Tully Formation
1496:
1461:
1456:Olentangy Shale
1437:
1422:Cleveland Shale
1403:Berea Sandstone
1358:
1354:Rushville Shale
1349:Coldwater Shale
1340:
1331:Logan Formation
1312:
1281:
1272:Allegheny Group
1258:
1244:Conemaugh Group
1230:
1168:
1126:
1115:
1109:
1100:
1070:
1053:
1040:
1031:Selby Formation
993:
924:
893:
875:
848:
813:
782:
768:Marcellus Shale
754:
738:
731:Tully Limestone
704:
661:
657:Westfield Shale
590:
579:
573:
564:
534:
533:
495:
494:
490:
440:
439:
435:
425:
423:
416:
411:
410:
406:
396:
394:
387:
382:
381:
377:
365:
360:
359:
355:
350:
318:
283:
278:
273:
262:
247:
231:
226:
194:
175:
173:
42:
12:
11:
5:
5891:
5889:
5881:
5880:
5875:
5870:
5865:
5855:
5854:
5849:
5848:
5841:
5834:
5826:
5823:
5822:
5802:
5785:
5784:
5781:
5780:
5777:
5776:
5774:
5773:
5768:
5762:
5759:
5758:
5756:
5751:
5749:
5740:
5731:
5722:
5716:
5715:
5712:
5711:
5708:
5707:
5705:
5704:
5699:
5694:
5689:
5684:
5679:
5673:
5672:
5669:
5664:
5659:
5654:
5648:
5645:
5644:
5641:
5640:
5638:
5637:
5631:
5630:
5624:
5622:
5613:
5604:
5598:
5597:
5594:
5593:
5590:
5589:
5587:
5586:
5581:
5575:
5574:
5568:
5563:
5561:
5552:
5546:
5545:
5543:
5542:
5536:
5533:
5532:
5530:
5529:
5527:St. Paul Group
5523:
5521:
5515:
5514:
5512:
5507:
5502:
5500:
5491:
5485:
5484:
5482:
5481:
5476:
5471:
5466:
5460:
5457:
5456:
5454:
5453:
5448:
5442:
5440:
5434:
5433:
5431:
5430:
5425:
5420:
5415:
5409:
5407:
5401:
5400:
5398:
5397:
5392:
5386:
5384:
5375:
5366:
5360:
5359:
5356:
5355:
5352:
5351:
5349:
5348:
5343:
5337:
5335:
5329:
5328:
5326:
5325:
5320:
5315:
5310:
5305:
5299:
5297:
5288:
5282:
5281:
5278:
5277:
5275:
5274:
5269:
5263:
5261:
5255:
5254:
5252:
5251:
5246:
5241:
5236:
5230:
5228:
5219:
5213:
5212:
5209:
5208:
5206:
5205:
5199:
5197:
5191:
5190:
5188:
5187:
5182:
5176:
5174:
5165:
5159:
5158:
5156:
5155:
5150:
5145:
5139:
5137:
5128:
5122:
5121:
5118:
5117:
5114:
5113:
5111:
5110:
5104:
5102:
5096:
5095:
5093:
5092:
5086:
5084:
5078:
5077:
5075:
5074:
5069:
5067:Needmore Shale
5063:
5061:
5052:
5046:
5045:
5042:
5041:
5039:
5038:
5033:
5031:Needmore Shale
5028:
5023:
5018:
5016:Hamilton Group
5012:
5010:
5004:
5003:
5001:
5000:
4998:Hamilton Group
4995:
4989:
4987:
4978:
4972:
4971:
4968:
4967:
4965:
4964:
4959:
4954:
4949:
4944:
4939:
4937:Java Formation
4934:
4928:
4926:
4920:
4919:
4917:
4916:
4911:
4906:
4901:
4896:
4890:
4888:
4879:
4870:
4864:
4863:
4860:
4859:
4856:
4855:
4853:
4852:
4847:
4842:
4837:
4832:
4826:
4824:
4818:
4817:
4815:
4814:
4808:
4806:
4800:
4799:
4797:
4796:
4791:
4786:
4781:
4775:
4773:
4764:
4758:
4757:
4754:
4753:
4751:
4750:
4745:
4740:
4735:
4729:
4727:
4721:
4720:
4718:
4717:
4711:
4709:
4703:
4702:
4700:
4699:
4693:
4691:
4685:
4684:
4682:
4681:
4675:
4673:
4664:
4655:
4649:
4648:
4645:
4644:
4641:
4640:
4638:
4637:
4631:
4629:
4620:
4611:
4602:
4594:
4593:
4590:
4589:
4586:
4584:
4575:
4567:
4566:
4563:
4562:
4559:
4558:
4555:
4553:
4544:
4533:
4522:
4514:
4513:
4504:
4502:
4501:
4494:
4487:
4479:
4470:
4469:
4467:
4462:
4460:
4454:
4453:
4450:
4449:
4446:
4445:
4443:
4442:
4437:
4432:
4427:
4422:
4416:
4413:
4412:
4409:
4408:
4406:
4405:
4399:
4397:
4388:
4382:
4381:
4379:
4378:
4373:
4367:
4366:
4365:
4364:
4356:
4354:
4345:
4339:
4338:
4335:
4334:
4332:
4331:
4330:
4329:
4324:
4319:
4311:
4310:
4308:
4302:
4301:
4300:
4299:
4295:
4289:
4287:
4281:
4280:
4278:
4277:
4276:
4275:
4267:
4266:
4265:
4264:
4258:
4250:
4249:
4243:
4241:
4235:
4234:
4227:
4226:
4225:
4224:
4219:
4214:
4206:
4205:
4203:
4197:
4196:
4195:
4194:
4189:
4184:
4176:
4175:
4173:
4167:
4166:
4161:
4156:
4150:
4148:
4139:
4133:
4132:
4129:
4128:
4126:
4125:
4124:
4123:
4115:
4114:
4112:
4106:
4105:
4104:
4103:
4097:
4089:
4088:
4086:
4080:
4078:
4072:
4071:
4068:
4067:
4065:
4064:
4063:
4062:
4059:
4054:
4049:
4043:
4042:
4040:Lockport Group
4036:
4035:
4034:
4033:
4025:
4024:
4022:
4016:
4014:
4005:
3999:
3998:
3995:
3994:
3992:
3991:
3990:
3989:
3981:
3980:
3978:
3972:
3970:
3964:
3963:
3961:
3960:
3959:
3958:
3950:
3949:
3947:
3941:
3939:
3930:
3924:
3923:
3921:
3920:
3919:
3918:
3910:
3909:
3907:
3901:
3900:
3894:
3888:
3886:
3877:
3871:
3870:
3867:
3866:
3863:
3862:
3860:
3859:
3858:
3857:
3852:
3844:
3843:
3837:
3835:
3829:
3828:
3826:
3825:
3819:
3817:
3811:
3810:
3808:
3807:
3802:
3797:
3791:Needmore Shale
3783:
3781:
3772:
3766:
3765:
3762:
3761:
3759:
3758:
3756:Needmore Shale
3753:
3752:
3751:
3745:
3744:
3743:
3742:
3734:
3733:
3732:
3731:
3728:
3725:
3722:
3716:
3715:
3709:
3708:
3707:
3706:
3698:
3697:
3695:
3693:Hamilton Group
3689:
3687:
3681:
3680:
3678:
3677:
3672:
3671:
3670:
3665:
3660:
3655:
3647:
3646:
3644:
3642:Hamilton Group
3635:
3633:
3624:
3618:
3617:
3615:
3614:
3609:
3603:
3600:
3599:
3597:
3596:
3595:
3594:
3585:
3580:
3572:
3571:
3570:
3569:
3565:
3555:
3554:
3553:
3552:
3547:
3545:Cashaqua Shale
3539:
3538:
3536:
3530:
3529:
3528:
3527:
3522:
3514:
3513:
3511:
3505:
3504:
3499:
3493:
3492:
3491:
3490:
3485:
3477:
3476:
3474:
3472:Catskill Group
3468:
3466:
3460:
3459:
3457:
3456:
3455:
3454:
3449:
3444:
3436:
3435:
3433:
3431:Catskill Group
3427:
3426:
3421:
3416:
3411:
3409:Java Formation
3405:
3404:
3403:
3402:
3397:
3392:
3384:
3383:
3381:
3375:
3374:
3373:
3372:
3366:
3365:
3363:
3357:
3356:
3355:
3354:
3348:
3347:
3345:
3343:Bradford Group
3339:
3338:
3337:
3336:
3335:, First Warren
3330:
3324:
3323:
3321:
3315:
3314:
3309:
3304:
3299:
3294:
3289:
3283:
3281:
3272:
3263:
3257:
3256:
3253:
3252:
3249:
3248:
3246:
3245:
3240:
3239:
3238:
3233:
3228:
3223:
3214:
3213:
3211:
3205:
3204:
3198:
3196:
3190:
3189:
3187:
3186:
3176:
3174:
3168:
3167:
3165:
3164:
3163:
3162:
3156:
3151:
3146:
3141:
3133:
3132:
3130:
3124:
3123:
3117:
3115:
3106:
3100:
3099:
3096:
3095:
3093:
3092:
3091:
3090:
3085:
3079:
3071:
3070:
3068:
3062:
3061:
3060:
3059:
3054:
3049:
3044:
3038:
3029:
3028:
3021:
3015:
3013:
3007:
3006:
3004:
3003:
3002:
3001:
2995:
2990:
2985:
2977:
2976:
2974:
2968:
2967:
2966:
2965:
2956:
2955:
2948:
2942:
2941:
2940:
2939:
2934:
2928:
2923:
2914:
2913:
2911:
2905:
2904:
2903:
2902:
2897:
2891:
2885:
2880:
2872:
2871:
2869:
2863:
2862:
2861:
2860:
2855:
2850:
2844:
2839:
2834:
2825:
2824:
2817:
2811:
2809:
2803:
2802:
2800:
2799:
2798:
2797:
2792:
2786:
2781:
2773:
2772:
2770:
2764:
2763:
2762:
2761:
2756:
2751:
2746:
2741:
2736:
2731:
2726:
2721:
2719:Ames Limestone
2713:
2712:
2710:
2704:
2703:
2702:
2701:
2696:
2691:
2686:
2681:
2676:
2668:
2667:
2660:
2654:
2652:
2646:
2645:
2643:
2642:
2641:
2640:
2634:
2629:
2623:
2618:
2613:
2608:
2605:Sewickley Coal
2602:
2597:
2592:
2584:
2583:
2575:
2574:
2573:
2572:
2567:
2561:
2558:Uniontown Coal
2555:
2550:
2545:
2540:
2535:
2530:
2521:
2520:
2513:
2507:
2506:
2505:
2504:
2499:
2494:
2489:
2484:
2479:
2471:
2470:
2463:
2457:
2455:
2446:
2437:
2431:
2430:
2427:
2426:
2424:
2423:
2422:
2421:
2416:
2411:
2406:
2404:Jollytown Coal
2401:
2396:
2388:
2387:
2379:
2378:
2377:
2376:
2371:
2368:
2363:
2358:
2353:
2348:
2343:
2338:
2333:
2328:
2323:
2318:
2316:Windy Gap Coal
2313:
2305:
2304:
2297:
2291:
2289:
2280:
2271:
2260:
2252:
2251:
2242:
2240:
2239:
2232:
2225:
2217:
2208:
2207:
2204:
2203:
2201:
2200:
2194:
2191:
2190:
2188:
2183:
2181:
2172:
2163:
2157:
2156:
2153:
2152:
2149:
2148:
2146:
2145:
2139:
2136:
2135:
2133:
2132:
2130:Rome Formation
2127:
2122:
2117:
2112:
2106:
2104:
2095:
2089:
2088:
2085:
2084:
2082:
2081:
2076:
2071:
2066:
2061:
2055:
2053:
2047:
2046:
2044:
2043:
2038:
2033:
2028:
2023:
2018:
2013:
2008:
2006:Kope Formation
2003:
1998:
1993:
1988:
1983:
1977:
1975:
1966:
1960:
1959:
1956:
1955:
1953:
1948:
1943:
1938:
1933:
1928:
1926:
1920:
1919:
1917:
1916:
1911:
1906:
1901:
1896:
1891:
1886:
1881:
1876:
1871:
1866:
1861:
1855:
1852:
1851:
1849:
1848:
1843:
1838:
1833:
1831:Lockport Group
1827:
1825:
1816:
1810:
1809:
1807:
1806:
1801:
1796:
1790:
1787:
1786:
1784:
1783:
1778:
1772:
1770:
1764:
1763:
1761:
1760:
1754:
1752:
1743:
1737:
1736:
1734:
1729:
1727:
1718:
1712:
1711:
1708:
1707:
1705:
1704:
1699:
1694:
1689:
1684:
1678:
1675:
1674:
1672:
1671:
1665:
1663:
1657:
1656:
1654:
1649:
1644:
1639:
1637:
1628:
1622:
1621:
1619:
1618:
1613:
1608:
1606:Lucas Dolomite
1603:
1597:
1594:
1593:
1591:
1590:
1585:
1580:
1575:
1570:
1565:
1559:
1557:
1551:
1550:
1548:
1547:
1542:
1537:
1532:
1526:
1521:
1515:
1513:
1504:
1498:
1497:
1495:
1494:
1489:
1484:
1478:
1477:
1475:Java Formation
1472:
1466:
1463:
1462:
1460:
1459:
1453:
1447:
1445:
1439:
1438:
1436:
1435:
1429:
1424:
1418:
1417:
1411:
1410:
1405:
1400:
1394:
1392:
1383:
1374:
1368:
1367:
1364:
1363:
1360:
1359:
1357:
1356:
1351:
1345:
1342:
1341:
1339:
1338:
1333:
1328:
1322:
1320:
1314:
1313:
1311:
1310:
1304:
1302:
1293:
1287:
1286:
1283:
1282:
1280:
1279:
1274:
1268:
1266:
1260:
1259:
1257:
1256:
1251:
1246:
1240:
1238:
1232:
1231:
1229:
1228:
1223:
1218:
1212:
1211:
1206:
1200:
1198:
1189:
1180:
1174:
1173:
1170:
1169:
1167:
1166:
1161:
1156:
1150:
1148:
1139:
1130:
1119:
1111:
1110:
1101:
1099:
1098:
1091:
1084:
1076:
1067:
1066:
1063:
1062:
1059:
1058:
1055:
1054:
1052:
1051:
1045:
1042:
1041:
1039:
1038:
1033:
1028:
1022:
1021:
1016:
1010:
1009:
1003:
1001:
995:
994:
992:
991:
986:
981:
979:Rust Formation
976:
971:
966:
960:
958:
949:
940:
934:
933:
930:
929:
926:
925:
923:
922:
916:
914:
905:
899:
898:
895:
894:
892:
891:
885:
883:
877:
876:
874:
873:
867:
865:
856:
850:
849:
847:
846:
840:
838:
829:
823:
822:
819:
818:
815:
814:
812:
811:
805:
803:
794:
788:
787:
784:
783:
781:
780:
775:
770:
764:
762:
756:
755:
753:
752:
747:
742:
736:Hamilton Group
733:
727:
725:
716:
710:
709:
706:
705:
703:
702:
697:
692:
690:Java Formation
687:
682:
677:
671:
669:
663:
662:
660:
659:
654:
649:
644:
639:
634:
629:
623:
621:
612:
603:
594:
583:
575:
574:
565:
563:
562:
555:
548:
540:
532:
531:
488:
433:
404:
375:
352:
351:
349:
346:
317:
314:
282:
279:
277:
274:
272:
269:
261:
258:
246:
243:
230:
227:
225:
222:
197:
196:
186:
185:
182:
178:
177:
170:
166:
165:
161:
160:
147:
143:
142:
137:
133:
132:
128:
127:
122:
118:
117:
112:
108:
107:
106:
105:
100:
95:
90:
85:
83:Spafford Shale
80:
75:
68:
64:
63:
61:Hamilton Group
58:
54:
53:
48:
44:
43:
40:
32:
31:
21:
20:
13:
10:
9:
6:
4:
3:
2:
5890:
5879:
5876:
5874:
5871:
5869:
5866:
5864:
5861:
5860:
5858:
5847:
5842:
5840:
5835:
5833:
5828:
5827:
5821:
5819:
5815:
5811:
5808:
5807:stratigraphic
5803:
5800:
5796:
5791:
5772:
5769:
5767:
5764:
5763:
5755:
5752:
5750:
5748:
5744:
5741:
5739:
5735:
5732:
5730:
5726:
5723:
5721:
5717:
5703:
5700:
5698:
5695:
5693:
5690:
5688:
5685:
5683:
5680:
5678:
5675:
5674:
5670:
5668:
5665:
5663:
5660:
5658:
5655:
5653:
5650:
5649:
5636:
5633:
5632:
5629:
5626:
5625:
5623:
5621:
5617:
5614:
5612:
5608:
5605:
5603:
5599:
5585:
5582:
5580:
5577:
5576:
5573:
5570:
5569:
5567:
5564:
5562:
5560:
5556:
5553:
5551:
5547:
5541:
5538:
5537:
5528:
5525:
5524:
5522:
5520:
5516:
5511:
5508:
5506:
5503:
5501:
5499:
5495:
5492:
5490:
5486:
5480:
5477:
5475:
5472:
5470:
5467:
5465:
5462:
5461:
5452:
5449:
5447:
5444:
5443:
5441:
5439:
5435:
5429:
5426:
5424:
5421:
5419:
5416:
5414:
5411:
5410:
5408:
5406:
5402:
5396:
5393:
5391:
5388:
5387:
5385:
5383:
5379:
5376:
5374:
5370:
5367:
5365:
5361:
5347:
5344:
5342:
5339:
5338:
5336:
5334:
5330:
5324:
5321:
5319:
5316:
5314:
5311:
5309:
5306:
5304:
5301:
5300:
5298:
5296:
5292:
5289:
5287:
5283:
5273:
5270:
5268:
5265:
5264:
5262:
5260:
5256:
5250:
5247:
5245:
5242:
5240:
5237:
5235:
5232:
5231:
5229:
5227:
5223:
5220:
5218:
5214:
5204:
5201:
5200:
5198:
5196:
5192:
5186:
5183:
5181:
5178:
5177:
5175:
5173:
5169:
5166:
5164:
5160:
5154:
5151:
5149:
5146:
5144:
5141:
5140:
5138:
5136:
5132:
5129:
5127:
5123:
5109:
5106:
5105:
5103:
5101:
5097:
5091:
5088:
5087:
5085:
5083:
5079:
5073:
5070:
5068:
5065:
5064:
5062:
5060:
5056:
5053:
5051:
5047:
5037:
5034:
5032:
5029:
5027:
5024:
5022:
5019:
5017:
5014:
5013:
5011:
5009:
5005:
4999:
4996:
4994:
4991:
4990:
4988:
4986:
4982:
4979:
4977:
4973:
4963:
4960:
4958:
4957:Harrell Shale
4955:
4953:
4950:
4948:
4945:
4943:
4940:
4938:
4935:
4933:
4930:
4929:
4927:
4925:
4921:
4915:
4912:
4910:
4907:
4905:
4904:Bedford Shale
4902:
4900:
4897:
4895:
4892:
4891:
4889:
4887:
4883:
4880:
4878:
4874:
4871:
4869:
4865:
4851:
4848:
4846:
4845:Sunbury Shale
4843:
4841:
4838:
4836:
4833:
4831:
4828:
4827:
4825:
4823:
4819:
4813:
4810:
4809:
4807:
4805:
4801:
4795:
4792:
4790:
4787:
4785:
4782:
4780:
4777:
4776:
4774:
4772:
4768:
4765:
4763:
4759:
4749:
4746:
4744:
4741:
4739:
4736:
4734:
4731:
4730:
4728:
4726:
4722:
4716:
4713:
4712:
4710:
4708:
4704:
4698:
4695:
4694:
4692:
4690:
4686:
4680:
4677:
4676:
4674:
4672:
4668:
4665:
4663:
4659:
4656:
4654:
4650:
4636:
4635:Dunkard Group
4633:
4632:
4630:
4628:
4624:
4621:
4619:
4615:
4612:
4610:
4606:
4603:
4601:
4595:
4585:
4583:
4579:
4576:
4574:
4568:
4554:
4552:
4548:
4545:
4543:
4537:
4534:
4532:
4526:
4523:
4521:
4515:
4511:
4510:West Virginia
4507:
4500:
4495:
4493:
4488:
4486:
4481:
4480:
4477:
4466:
4463:
4461:
4459:
4455:
4441:
4438:
4436:
4433:
4431:
4428:
4426:
4423:
4421:
4418:
4417:
4404:
4401:
4400:
4398:
4396:
4392:
4389:
4387:
4383:
4377:
4374:
4372:
4369:
4368:
4363:
4360:
4359:
4358:
4357:
4355:
4353:
4349:
4346:
4344:
4340:
4328:
4325:
4323:
4320:
4318:
4315:
4314:
4313:
4312:
4309:
4307:
4304:
4303:
4298:
4297:
4296:
4294:
4291:
4290:
4288:
4286:
4282:
4274:
4271:
4270:
4269:
4268:
4262:
4259:
4257:
4254:
4253:
4252:
4251:
4248:
4245:
4244:
4242:
4240:
4236:
4232:
4231:
4223:
4220:
4218:
4215:
4213:
4210:
4209:
4208:
4207:
4204:
4202:
4199:
4198:
4193:
4190:
4188:
4185:
4183:
4180:
4179:
4178:
4177:
4174:
4172:
4171:Trenton Group
4169:
4168:
4165:
4162:
4160:
4157:
4155:
4152:
4151:
4149:
4147:
4143:
4140:
4138:
4134:
4122:
4119:
4118:
4117:
4116:
4113:
4111:
4108:
4107:
4102:"Red Clinton"
4101:
4098:
4096:
4093:
4092:
4091:
4090:
4087:
4085:
4084:Clinton Group
4082:
4081:
4079:
4077:
4073:
4060:
4058:
4055:
4053:
4050:
4047:
4046:
4045:
4044:
4041:
4038:
4037:
4032:
4029:
4028:
4027:
4026:
4023:
4021:
4018:
4017:
4015:
4013:
4009:
4006:
4004:
4000:
3988:
3985:
3984:
3983:
3982:
3979:
3977:
3974:
3973:
3971:
3969:
3965:
3957:
3954:
3953:
3952:
3951:
3948:
3946:
3943:
3942:
3940:
3938:
3934:
3931:
3929:
3925:
3917:
3914:
3913:
3912:
3911:
3908:
3906:
3903:
3902:
3898:
3895:
3893:
3890:
3889:
3887:
3885:
3881:
3878:
3876:
3872:
3856:
3853:
3851:
3848:
3847:
3846:
3845:
3842:
3839:
3838:
3836:
3834:
3830:
3824:
3821:
3820:
3818:
3816:
3812:
3806:
3803:
3801:
3798:
3796:
3792:
3788:
3785:
3784:
3782:
3780:
3776:
3773:
3771:
3767:
3757:
3754:
3749:
3748:
3747:
3746:
3741:
3738:
3737:
3736:
3735:
3729:
3726:
3723:
3720:
3719:
3718:
3717:
3714:
3711:
3710:
3705:
3702:
3701:
3700:
3699:
3696:
3694:
3691:
3690:
3688:
3686:
3682:
3676:
3673:
3669:
3666:
3664:
3661:
3659:
3656:
3654:
3651:
3650:
3649:
3648:
3645:
3643:
3640:
3639:
3638:
3634:
3632:
3628:
3625:
3623:
3619:
3613:
3610:
3608:
3605:
3604:
3593:
3592:Geneseo Shale
3589:
3586:
3584:
3581:
3579:
3576:
3575:
3574:
3573:
3568:
3567:
3566:
3564:
3563:Harrell Shale
3560:
3559:Genesee Group
3557:
3556:
3551:
3548:
3546:
3543:
3542:
3541:
3540:
3537:
3535:
3532:
3531:
3526:
3523:
3521:
3518:
3517:
3516:
3515:
3512:
3510:
3507:
3506:
3503:
3500:
3498:
3495:
3494:
3489:
3486:
3484:
3481:
3480:
3479:
3478:
3475:
3473:
3470:
3469:
3467:
3465:
3461:
3453:
3450:
3448:
3445:
3443:
3440:
3439:
3438:
3437:
3434:
3432:
3429:
3428:
3425:
3422:
3420:
3417:
3415:
3412:
3410:
3407:
3406:
3401:
3398:
3396:
3393:
3391:
3388:
3387:
3386:
3385:
3382:
3380:
3377:
3376:
3370:
3369:
3368:
3367:
3364:
3362:
3359:
3358:
3352:
3351:
3350:
3349:
3346:
3344:
3341:
3340:
3334:
3331:
3328:
3327:
3326:
3325:
3322:
3320:
3319:Venango Group
3317:
3316:
3313:
3310:
3308:
3307:Bedford Shale
3305:
3303:
3300:
3298:
3295:
3293:
3290:
3288:
3285:
3284:
3282:
3280:
3276:
3273:
3271:
3267:
3264:
3262:
3258:
3244:
3241:
3237:
3236:Bedford Shale
3234:
3232:
3229:
3227:
3226:Sunbury Shale
3224:
3221:
3218:
3217:
3216:
3215:
3212:
3210:
3207:
3206:
3203:
3200:
3199:
3197:
3195:
3191:
3185:
3181:
3178:
3177:
3175:
3173:
3169:
3161:"Little Lime"
3160:
3157:
3155:
3152:
3150:
3147:
3145:
3142:
3140:
3137:
3136:
3135:
3134:
3131:
3129:
3126:
3125:
3122:
3119:
3118:
3116:
3114:
3110:
3107:
3105:
3101:
3089:
3086:
3083:
3080:
3078:
3075:
3074:
3073:
3072:
3069:
3067:
3064:
3063:
3058:
3055:
3053:
3050:
3048:
3045:
3042:
3039:
3036:
3033:
3032:
3031:
3030:
3026:
3022:
3020:
3017:
3016:
3014:
3012:
3008:
2999:
2996:
2994:
2991:
2989:
2986:
2984:
2981:
2980:
2979:
2978:
2975:
2973:
2970:
2969:
2963:
2960:
2959:
2958:
2957:
2953:
2949:
2947:
2944:
2943:
2938:
2935:
2932:
2929:
2927:
2924:
2922:"No. 4a Coal"
2921:
2918:
2917:
2916:
2915:
2912:
2910:
2907:
2906:
2901:
2898:
2895:
2892:
2889:
2886:
2884:
2881:
2879:
2876:
2875:
2874:
2873:
2870:
2868:
2865:
2864:
2859:
2856:
2854:
2851:
2849:"No. 6a Coal"
2848:
2845:
2843:
2840:
2838:
2835:
2832:
2829:
2828:
2827:
2826:
2822:
2818:
2816:
2813:
2812:
2810:
2808:
2804:
2796:
2793:
2791:"No. 7a Coal"
2790:
2789:Mahoning Coal
2787:
2785:
2782:
2780:
2777:
2776:
2775:
2774:
2771:
2769:
2766:
2765:
2760:
2757:
2755:
2752:
2750:
2747:
2745:
2742:
2740:
2737:
2735:
2732:
2730:
2727:
2725:
2722:
2720:
2717:
2716:
2715:
2714:
2711:
2709:
2706:
2705:
2700:
2697:
2695:
2692:
2690:
2687:
2685:
2682:
2680:
2677:
2675:
2672:
2671:
2670:
2669:
2665:
2661:
2659:
2656:
2655:
2653:
2651:
2647:
2638:
2635:
2633:
2630:
2628:"No 8a. Coal"
2627:
2624:
2622:
2619:
2617:
2614:
2612:
2609:
2606:
2603:
2601:
2598:
2596:
2593:
2591:
2588:
2587:
2586:
2585:
2581:
2577:
2576:
2571:
2568:
2565:
2562:
2560:"No. 10 Coal"
2559:
2556:
2554:
2551:
2549:
2546:
2544:
2541:
2539:
2536:
2534:
2531:
2529:"No. 11 Coal"
2528:
2525:
2524:
2523:
2522:
2518:
2514:
2512:
2509:
2508:
2503:
2500:
2498:
2495:
2493:
2490:
2488:
2485:
2483:
2480:
2478:
2475:
2474:
2473:
2472:
2468:
2464:
2462:
2461:Dunkard Group
2459:
2458:
2456:
2454:
2450:
2447:
2445:
2441:
2438:
2436:
2432:
2420:
2417:
2415:
2412:
2410:
2407:
2405:
2402:
2400:
2397:
2395:
2392:
2391:
2390:
2389:
2385:
2381:
2380:
2375:
2372:
2369:
2367:
2364:
2362:
2359:
2357:
2354:
2352:
2349:
2347:
2344:
2342:
2339:
2337:
2334:
2332:
2329:
2327:
2324:
2322:
2319:
2317:
2314:
2312:
2309:
2308:
2307:
2306:
2302:
2298:
2296:
2295:Dunkard Group
2293:
2292:
2290:
2288:
2284:
2281:
2279:
2275:
2272:
2270:
2264:
2261:
2259:
2253:
2249:
2245:
2238:
2233:
2231:
2226:
2224:
2219:
2218:
2215:
2199:
2196:
2195:
2187:
2184:
2182:
2180:
2176:
2173:
2171:
2167:
2164:
2162:
2158:
2144:
2141:
2140:
2131:
2128:
2126:
2125:Knox Dolomite
2123:
2121:
2118:
2116:
2113:
2111:
2108:
2107:
2105:
2103:
2099:
2096:
2094:
2090:
2080:
2077:
2075:
2072:
2070:
2067:
2065:
2062:
2060:
2057:
2056:
2054:
2052:
2048:
2042:
2039:
2037:
2034:
2032:
2029:
2027:
2024:
2022:
2019:
2017:
2014:
2012:
2009:
2007:
2004:
2002:
1999:
1997:
1994:
1992:
1989:
1987:
1984:
1982:
1979:
1978:
1976:
1974:
1970:
1967:
1965:
1961:
1952:
1949:
1947:
1944:
1942:
1939:
1937:
1934:
1932:
1929:
1927:
1925:
1921:
1915:
1912:
1910:
1907:
1905:
1902:
1900:
1897:
1895:
1892:
1890:
1887:
1885:
1882:
1880:
1877:
1875:
1872:
1870:
1867:
1865:
1862:
1860:
1857:
1856:
1847:
1844:
1842:
1839:
1837:
1834:
1832:
1829:
1828:
1826:
1824:
1820:
1817:
1815:
1811:
1805:
1802:
1800:
1797:
1795:
1792:
1791:
1782:
1779:
1777:
1774:
1773:
1771:
1769:
1765:
1759:
1756:
1755:
1753:
1751:
1747:
1744:
1742:
1738:
1733:
1730:
1728:
1726:
1722:
1719:
1717:
1713:
1703:
1700:
1698:
1695:
1693:
1690:
1688:
1685:
1683:
1680:
1679:
1670:
1667:
1666:
1664:
1662:
1658:
1653:
1650:
1648:
1645:
1643:
1640:
1638:
1636:
1632:
1629:
1627:
1623:
1617:
1614:
1612:
1609:
1607:
1604:
1602:
1599:
1598:
1589:
1586:
1584:
1581:
1579:
1576:
1574:
1571:
1569:
1566:
1564:
1561:
1560:
1558:
1556:
1552:
1546:
1543:
1541:
1538:
1536:
1533:
1530:
1527:
1525:
1522:
1520:
1517:
1516:
1514:
1512:
1508:
1505:
1503:
1499:
1493:
1490:
1488:
1485:
1483:
1480:
1479:
1476:
1473:
1471:
1468:
1467:
1457:
1454:
1452:
1449:
1448:
1446:
1444:
1440:
1433:
1430:
1428:
1427:Chagrin Shale
1425:
1423:
1420:
1419:
1416:
1413:
1412:
1409:
1406:
1404:
1401:
1399:
1398:Bedford Shale
1396:
1395:
1393:
1391:
1387:
1384:
1382:
1378:
1375:
1373:
1369:
1355:
1352:
1350:
1347:
1346:
1343:
1337:
1336:Sunbury Shale
1334:
1332:
1329:
1327:
1324:
1323:
1321:
1319:
1315:
1309:
1306:
1305:
1303:
1301:
1297:
1294:
1292:
1288:
1278:
1275:
1273:
1270:
1269:
1267:
1265:
1261:
1255:
1252:
1250:
1247:
1245:
1242:
1241:
1239:
1237:
1233:
1227:
1224:
1222:
1219:
1217:
1214:
1213:
1210:
1207:
1205:
1204:Dunkard Group
1202:
1201:
1199:
1197:
1193:
1190:
1188:
1184:
1181:
1179:
1175:
1165:
1162:
1160:
1157:
1155:
1154:Dunkard Group
1152:
1151:
1149:
1147:
1143:
1140:
1138:
1134:
1131:
1129:
1123:
1120:
1118:
1112:
1108:
1104:
1097:
1092:
1090:
1085:
1083:
1078:
1077:
1074:
1050:
1047:
1046:
1037:
1034:
1032:
1029:
1027:
1024:
1023:
1020:
1017:
1015:
1012:
1011:
1008:
1005:
1004:
1002:
1000:
996:
990:
987:
985:
982:
980:
977:
975:
972:
970:
967:
965:
962:
961:
959:
957:
953:
950:
948:
944:
941:
939:
935:
921:
918:
917:
915:
913:
909:
906:
904:
900:
890:
887:
886:
884:
882:
878:
872:
869:
868:
866:
864:
860:
857:
855:
851:
845:
842:
841:
839:
837:
833:
830:
828:
824:
810:
807:
806:
804:
802:
798:
795:
793:
789:
779:
776:
774:
771:
769:
766:
765:
763:
761:
757:
751:
748:
746:
743:
741:
737:
734:
732:
729:
728:
726:
724:
720:
717:
715:
711:
701:
698:
696:
693:
691:
688:
686:
685:Geneseo Shale
683:
681:
680:Genesee Group
678:
676:
673:
672:
670:
668:
664:
658:
655:
653:
650:
648:
645:
643:
640:
638:
635:
633:
630:
628:
625:
624:
622:
620:
616:
613:
611:
607:
604:
602:
598:
595:
593:
587:
584:
582:
576:
572:
568:
561:
556:
554:
549:
547:
542:
541:
538:
527:
523:
519:
515:
511:
507:
503:
499:
492:
489:
484:
480:
476:
472:
468:
464:
460:
456:
452:
448:
444:
437:
434:
422:
415:
408:
405:
393:
386:
379:
376:
371:
364:
357:
354:
347:
345:
343:
339:
335:
331:
327:
323:
315:
313:
311:
307:
304:
300:
296:
292:
288:
280:
275:
270:
268:
265:
259:
257:
255:
252:
244:
242:
240:
236:
228:
223:
221:
219:
216:
212:
208:
204:
192:
187:
184:United States
183:
179:
171:
167:
162:
159:
155:
151:
148:
144:
141:
138:
134:
129:
126:
123:
119:
116:
113:
109:
104:
101:
99:
96:
94:
93:Ledyard Shale
91:
89:
88:Wanakah Shale
86:
84:
81:
79:
76:
74:
71:
70:
69:
65:
62:
59:
55:
52:
49:
45:
38:
33:
30:
26:
22:
17:
5818:expanding it
5804:
5789:
5259:Sheinwoodian
5234:Salina Group
5203:Salina Group
5180:Salina Group
4771:Serpukhovian
4228:
4110:Medina Group
4020:Salina Group
3976:Salina Group
3945:Salina Group
3905:Salina Group
3588:Burket Shale
3534:Sonyea Group
3209:Pocono Group
3113:Serpukhovian
3084:"No. 1 Coal"
3043:"No. 2 Coal"
3000:"No. 3 Coal"
2933:"No. 4 Coal"
2920:Clarian Coal
2896:"No. 5 Coal"
2890:"No. 6 Coal"
2833:"No. 7 Coal"
2639:"No. 8 Coal"
2566:"Great Lime"
2361:Tenmile Coal
2351:Dunkard Coal
2331:Nineveh Coal
2248:Pennsylvania
1899:Osgood Shale
1894:Massie Shale
1874:Estill Shale
1794:Salina Group
1776:Salina Group
1758:Salina Group
1487:Angola Shale
1470:Antrim Shale
1451:Burket Shale
920:Salina Group
889:Salina Group
871:Salina Group
744:
501:
491:
453:(1): 79–99.
450:
446:
436:
424:. Retrieved
420:
407:
395:. Retrieved
391:
378:
370:NYSGA Online
369:
356:
342:brachiopods.
319:
299:Pennsylvania
286:
284:
266:
263:
253:
248:
234:
232:
202:
200:
174:Pennsylvania
98:Otisco Shale
73:Owasco Shale
5559:Tremadocian
5498:Darriwilian
5428:Utica Shale
4947:Rhinestreet
4822:Tournaisian
4164:Utica Shale
3400:Huron Shale
3194:Tournaisian
3182:"Big Lime"
3082:Sharon Coal
1432:Huron Shale
1318:Tournaisian
5857:Categories
5692:Rome Group
5628:Knox Group
5572:Knox Group
5382:Hirnantian
5286:Llandovery
5172:Ludfordian
5100:Lochkovian
4909:Ohio Shale
4725:Bashkirian
4689:Kasimovian
4618:Cisuralian
4076:Llandovery
3937:Ludfordian
3833:Lochkovian
3724:Moorehouse
3379:Ohio Shale
3011:Bashkirian
2650:Kasimovian
2287:Cisuralian
1924:Llandovery
1750:Ludfordian
1661:Lochkovian
1415:Ohio Shale
1236:Kasimovian
1146:Cisuralian
863:Ludfordian
426:1 December
348:References
338:trilobites
251:brachiopod
5810:formation
5747:Ediacaran
5611:Furongian
5519:Dapingian
5295:Telychian
4886:Famennian
4707:Moscovian
4352:Furongian
3730:Edgecliff
3361:Elk Group
3279:Famennian
2807:Moscovian
2102:Furongian
1390:Famennian
1264:Moscovian
619:Famennian
526:0002-9599
483:133456873
475:0022-3360
322:Limestone
158:Claystone
150:Limestone
131:Lithology
111:Underlies
67:Sub-units
51:Formation
5620:Stage 10
5438:Sandbian
5333:Aeronian
5226:Homerian
5195:Gorstian
5008:Eifelian
4985:Givetian
4924:Frasnian
4671:Gzhelian
4627:Asselian
4386:Series 2
4012:Homerian
3968:Gorstian
3685:Eifelian
3631:Givetian
3464:Frasnian
2453:Gzhelian
1823:Homerian
1768:Gorstian
1555:Eifelian
1511:Givetian
1443:Frasnian
1196:Gzhelian
999:Sandbian
912:Homerian
881:Gorstian
760:Eifelian
723:Givetian
667:Frasnian
637:NE Shale
571:New York
334:bivalvia
326:crinoids
303:Devonian
295:New York
271:Spafford
224:Subunits
215:Devonian
211:New York
172:New York
164:Location
154:Mudstone
121:Overlies
29:Devonian
5217:Wenlock
5135:Pridoli
5082:Pragian
4395:Stage 4
4003:Wenlock
3884:Pridoli
3815:Pragian
1814:Wenlock
1725:Pridoli
1531:(lower)
1458:(upper)
903:Wenlock
836:Pridoli
506:Bibcode
455:Bibcode
316:Fossils
276:Wanakah
245:Fossils
239:diastem
181:Country
136:Primary
57:Unit of
5489:Middle
5405:Katian
5163:Ludlow
5059:Emsian
4976:Middle
4804:Viséan
4551:Eocene
4239:Middle
3928:Ludlow
3779:Emsian
3727:Nedrow
3721:Seneca
3622:Middle
3172:Viséan
2051:Middle
1741:Ludlow
1635:Emsian
1502:Middle
1300:Viséan
956:Katian
854:Ludlow
801:Emsian
714:Middle
524:
481:
473:
330:rugosa
306:period
297:, and
260:Jaycox
235:Owasco
229:Owasco
218:period
169:Region
5550:Lower
5373:Upper
5050:Lower
4877:Upper
4285:Lower
4146:Upper
3770:Lower
3270:Upper
1973:Upper
1626:Lower
1381:Upper
947:Upper
792:Lower
610:Upper
479:S2CID
417:(PDF)
397:1 Dec
388:(PDF)
366:(PDF)
320:This
289:is a
205:is a
146:Other
140:Shale
5814:stub
1107:Ohio
522:ISSN
471:ISSN
428:2023
399:2023
340:and
285:The
249:The
233:The
201:The
176:Ohio
47:Type
4508:of
2246:of
1105:of
569:of
514:doi
463:doi
293:in
209:in
5859::
5720:pЄ
4599:Pz
4572:Mz
4541:Pe
4530:Cz
4519:Ph
4458:pЄ
3793:,
3789:,
3590:/
3561:/
2268:Pz
2257:Ph
2161:pЄ
1127:Pz
1116:Ph
591:Pz
580:Ph
520:.
512:.
500:.
477:.
469:.
461:.
451:64
449:.
445:.
419:.
390:.
368:.
336:,
332:,
328:,
220:.
156:,
152:,
27::
5845:e
5838:t
5831:v
5820:.
5738:Z
5729:♇
5602:Є
5364:O
5126:S
4868:D
4762:M
4662:⁋
4653:C
4609:P
4582:J
4498:e
4491:t
4484:v
4343:Є
4263::
4137:O
3875:S
3261:D
3104:M
3027::
2954::
2823::
2666::
2582::
2519::
2469::
2444:⁋
2435:C
2386::
2303::
2278:P
2236:e
2229:t
2222:v
2179:Z
2170:♇
2093:Є
1964:O
1716:S
1434:)
1372:D
1291:M
1187:⁋
1178:C
1137:P
1095:e
1088:t
1081:v
938:O
827:S
601:D
559:e
552:t
545:v
528:.
516::
508::
485:.
465::
457::
430:.
401:.
372:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
