Knowledge (XXG)

Sonyea Formation

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Gantz, Hundred-foot sand, Fifty-foot sand, Thirty-foot sand, Nineveh-Snee, Gordon Stray, Fourth Sand, Fifth Sand, Bayard Sand, Elizabeth Sand, Sweet Richard,
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Upper Warren, Lower Warren, Speechely Stray, Speechely, Balltown A, Balltown B, Balltown C, Sheffield, First Bradford, Second Bradford, Third Bradford, Kane
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at the bottom. In the east, various shale formations are included between the Cashaqua and Middlesex members, including Rye Point Shale,
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Stratigraphic cross-section of the Sonyea Formation in New York State
2121:
1st Elk Sand, 2nd Elk Sand, 3rd Elk Sand, 4th Elk Sand, 5th Elk Sand
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List of fossiliferous stratigraphic units in Pennsylvania
4567: 399:(4). SEPM Society for Sedimentary Geology: 909–925. 333:
Rickard, L.V.; Isachsen, Y.W.; Fisher, D.W. (1970).
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Northeastern United States geologic formation stubs
4495: 4486: 4477: 4468: 4368: 4359: 4350: 4307: 4298: 4267: 4246: 4237: 4186: 4153: 4130: 4121: 4112: 4081: 4043: 4034: 4007: 3974: 3965: 3943: 3920: 3911: 3883: 3874: 3848: 3830: 3807: 3798: 3756: 3733: 3724: 3672: 3634: 3625: 3616: 3570: 3552: 3519: 3510: 3473: 3455: 3437: 3419: 3410: 3401: 3375: 3366: 3357: 3346: 3330: 3319: 3299: 3288: 3277: 3266: 3206: 3143: 3134: 3100: 3091: 3033: 2987: 2894: 2885: 2824: 2760: 2751: 2716: 2685: 2676: 2632: 2623: 2581: 2563: 2527: 2518: 2433: 2379: 2370: 2212: 2027: 2018: 2009: 1942: 1920: 1861: 1852: 1759: 1555: 1398: 1201: 1192: 1183: 1035: 1026: 1015: 1004: 888: 845: 836: 827: 801: 792: 770: 752: 743: 725: 716: 690: 681: 649: 612: 603: 556: 508: 499: 490: 479: 468: 373:"Fossilworks: Gateway to the Paleobiology Database" 371:Various Contributors to the Paleobiology Database. 135: 121: 116: 106: 96: 91: 77: 67: 57: 47: 37: 21: 280: 278: 359:"Sonyea Group (NYDs;5) on Sonyea Group (NYDs;5)" 306:Colton, George W.; de Witt, Wallace Jr. (1958). 335:"Geologic map of New York: Finger Lakes sheet" 4587: 3240: 978: 442: 8: 184:In the western part, it is divided into the 4594: 4580: 4492: 4483: 4474: 4365: 4356: 4304: 4243: 4127: 4118: 4040: 3971: 3917: 3880: 3804: 3730: 3631: 3622: 3516: 3416: 3407: 3372: 3363: 3354: 3327: 3296: 3285: 3274: 3247: 3233: 3225: 3140: 3097: 2891: 2757: 2682: 2629: 2524: 2376: 2024: 2015: 1858: 1198: 1189: 1032: 1023: 1012: 985: 971: 963: 842: 833: 798: 749: 722: 687: 609: 505: 496: 487: 476: 449: 435: 427: 314:. United States Department of the Interior 146: 18: 274: 1807:Lower Connoquenessing Sandstone Member 1785:Upper Connoquenessing Sandstone Member 7: 4623:Devonian geology of New York (state) 4545: 4543: 4566:. You can help Knowledge (XXG) by 1159:Middle Washington Limestone Member 14: 1434:Lower Pittsburgh Limestone Member 1424:Upper Pittsburgh Limestone Member 1169:Lower Washington Limestone Member 1144:Upper Washington Limestone Member 4547: 1494:Lower Saltsburg Sandstone Member 1484:Upper Saltsburg Sandstone Member 1361:Lower Sewickley Sandstone Member 1350:Upper Sewickley Sandstone Member 242: 228: 214: 4613:Geologic groups of Pennsylvania 1603:Upper Freeport Limestone Member 1587:Upper Freeport Limestone Member 1545:Lower Mahoning Sandstone Member 1534:Upper Mahoning Sandstone Member 393:Journal of Sedimentary Research 312:United States Geological Survey 4555:This article about a specific 1: 1743:Lower Mercer Limestone Member 1733:Upper Mercer Limestone Member 4633:Pennsylvania geography stubs 263:Paleontology in Pennsylvania 166:in the northern part of the 2500:Bobs Ridge Sandstone Member 1650:Kittanning Sandstone Member 1509:Bush Creek Limestone Member 1499:Pine Creek Limestone Member 1429:Little Pittsburgh coal seam 1357:"Meigis Creek" "No. 9 Coal" 1293:Waynesburg Limestone Member 4649: 4542: 2591:Helderberg Group (geology) 2573:Helderberg Group (geology) 2555:Helderberg Group (geology) 2169:Huntley Mountain Formation 1633:Johnstone Limestone Member 1489:Woods Run Limestone Member 1371:Cedarville Sanstone Member 1366:Sewickley Limestone Member 1314:Uniontown Limestone Member 1149:Jollytown Limestone Member 1775:Connoquenessing Formation 1712:Homewood Sandstone Member 1608:Freeport Sandstone Member 1298:Uniontown Sanstone Member 145: 26: 1676:Vanport Limestone Member 1504:Buffalo Sandstone Member 1242:Middle Waynesburg Member 4432:Conococheague Formation 3175:Pleasent Hill Formation 1592:Butler Sandstone Member 1382:Westone Sanstone Member 1283:Gilboy Sandstone Member 1252:Lower Waynesburg Member 1227:Upper Waynesburg Member 236:New York (state) portal 3994:Williamsport Formation 3898:Bass Islands Formation 2642:Bass Islands Formation 1702:Beaver River Formation 1638:Middle Kittanning Coal 1303:Annabelle Shale Member 1288:Little Waynesburg Coal 1232:Little Washington Coal 4618:Devonian Pennsylvania 4562:in Pennsylvania is a 4385:Copper Ridge Dolomite 4316:Wells Creek Formation 4219:Martinsburg Formation 4214:Dolly Ridge Formation 3989:Wills Creek Formation 3429:Monongahela Formation 2997:Wells Creek Formation 2962:Linden Hall Formation 2807:Goat Island Formation 2413:Skaneateles Formation 2362:Murrysville Sandstone 1972:"Big Injun Sandstone" 1644:Lower Kittanning Coal 1628:Upper Kittanning Coal 1479:Upper Bakerstown coal 1376:Redstone-Pomeroy coal 1120:Upper Washington Coal 927:Sugar River Formation 898:Kings Falls Formation 880:Sugar River Formation 641:Skaneatales Formation 636:Ludlowville Formation 566:Rhinestreet Formation 518:Cattaraugus Formation 387:Schieber, J. (1999). 339:New York State Museum 194:Rock Stream Formation 4452:Waynesboro Formation 4329:Beekmantown Dolomite 4173:Reedsville Formation 3692:West Falls Formation 3498:Pocahontas Formation 3180:Waynesboro Formation 3121:Gatesburgh Formation 3077:Stonehenge Formation 3023:Bellefonte Formation 2980:Loyalsburg Formation 2909:Reedsville Formation 2545:Bois Blanc Formation 2425:Mahantango Formation 2252:Lock Haven Formation 2233:Sherman Creek Member 2197:Sherman Creek Member 2042:Lock Haven Formation 1934:Loyalhanna Formation 1930:Greenbrier Limestone 1797:Quakertown Fire Clay 1617:Kittanning Formation 1439:Connellsville Member 1387:Pittsburgh coal seam 1345:Upper Sewickley Coal 1330:Pittsburgh Formation 1217:Waynesburg Formation 1134:Washington Formation 1106:Prosperity Limestone 1096:Claysville Limestone 1091:Fish Creek Sandstone 700:Bois Blanc Formation 591:West Falls Formation 543:Perrysburg Formation 188:at the top, and the 4516:Swift Run Formation 4290:St. Peter Sandstone 4196:Lexington Limestone 4091:Tuscarora Sandstone 4068:Rose Hill Formation 3935:Tonoloway Formation 3544:Bluefield Formation 3534:Princeton Sandstone 3529:Bluestone Formation 3493:New River Formation 3465:Allegheny Formation 2904:Queenston Formation 2871:Tuscarora Formation 2850:Rose Hill Formation 2454:Marcellus Formation 2238:Irish Valley Member 2202:Irish Valley Member 2174:Hampshire Formation 2083:Chadakoin Formation 2062:Cussewago Formation 2047:Riceville Formation 1909:Bluefield Formation 1894:Princeton Formation 1889:Bluestone Formation 1827:Sharon Shale Member 1597:Lower Freeport Coal 1581:Upper Freeport Coal 1474:Pittsburgh Red Beds 1414:Casselman Formation 1320:Fulton Shale Member 1267:Uniontown Formation 1061:Windy Gap Limestone 865:Indian Castle Shale 538:Panama Conglomerate 405:1999JSedR..69..909S 250:Paleontology portal 222:Pennsylvania portal 174:dating back to the 28:Stratigraphic range 4504:Catoctin Formation 4417:Weverton Formation 4407:Antietam Formation 4334:Rose Run Sandstone 4224:Nealmont Limestone 4058:McKenzie Formation 4022:McKenzie Formation 3999:McKenzie Formation 3840:Oriskany Sandstone 3822:Huntersville Chert 3786:Huntersville Chert 3776:Onondaga Limestone 3682:Brallier Formation 3664:Brallier Formation 3590:Maccrady Formation 3585:Cuyahoga Formation 3337:Igneous intrusives 3306:Igneous intrusives 3256:Chronostratigraphy 3190:Antietam Formation 3185:Tomstown Formation 2737:Syracuse Formation 2706:Camillus Formation 2550:Oriskany Formation 2537:Huntersville Chert 2490:Huntersville Chert 2463:Onondaga Limestone 2357:Knapp Conglomerate 2333:Penn Yan Formation 2247:Brallier Formation 2164:Rockwell Formation 2037:Brallier Formation 1993:Rockwell Formation 1952:Cuyahoga Formation 1871:Shenango Formation 1571:Freeport Formation 1518:Mahoning Formation 1458:Glenshaw Formation 1247:Waynesburg“A” coal 1237:Waynesburg“B” coal 994:Chronostratigraphy 910:Lowville Formation 664:Onondaga Limestone 523:Chadokin Formation 458:Chronostratigraphy 413:10.2110/jsr.69.909 4575: 4574: 4537: 4536: 4533: 4532: 4529: 4528: 4521:Grenville Complex 4511: 4510: 4464: 4463: 4460: 4459: 4447:Tomstown Dolomite 4437:Elbrook Formation 4421:Loudoun Formation 4412:Harpers Formation 4397: 4396: 4393: 4392: 4346: 4345: 4342: 4341: 4285: 4284: 4260:Black River Group 4255:Trenton Limestone 4209: 4208: 4201:Trenton Limestone 4168:Juniata Formation 4145:Juniata Formation 4108: 4107: 4104: 4103: 4096:Clinton Sandstone 4053:Lockport Dolomite 4030: 4029: 4017:Lockport Dolomite 3961: 3960: 3870: 3869: 3866: 3865: 3794: 3793: 3720: 3719: 3712:Genesee Formation 3612: 3611: 3608: 3607: 3506: 3505: 3488:Kanawha Formation 3397: 3396: 3393: 3392: 3342: 3341: 3315: 3314: 3311: 3310: 3222: 3221: 3215:Grenville Complex 3202: 3201: 3198: 3197: 3170:Potsdam Formation 3165: 3164: 3161: 3160: 3153:Kinzers Formation 3126:Warrior Formation 3087: 3086: 3072:Nittany Formation 3056:Beekmantown Group 3011:Beekmantown Group 2951:Black River Group 2881: 2880: 2820: 2819: 2811:Gasport Formation 2802:Eramosa Formation 2747: 2746: 2619: 2618: 2615: 2614: 2605:Manlius Limestone 2514: 2513: 2418:Tichnor Formation 2352: 2351: 2275:Rhinestreet Shale 2145:Chagrin Formation 2005: 2004: 2001: 2000: 1970:Burgoon Formation 1878:Mauch Chunk Group 1848: 1847: 1748:Lower Mercer Coal 1738:Upper Mercer Coal 1687:Brookville Member 1659:Clarian Formation 1449:Birmingham Member 1444:Morgantown Member 1340:Benwood Limestone 1261:Monongahela Group 1179: 1178: 1086:Nineveh Limestone 1076:Nineveh Sandstone 1071:Gilmore Sandstone 960: 959: 956: 955: 952: 951: 948: 947: 940:Black River Group 935: 934: 917:Napanee Formation 905:Black River Group 875:Steuben Formation 860:Hillier Formation 823: 822: 819: 818: 788: 787: 712: 711: 708: 707: 677: 676: 599: 598: 198:Enfield Formation 168:Appalachian Basin 156: 155: 126:Appalachian Basin 4640: 4596: 4589: 4582: 4551: 4544: 4493: 4484: 4475: 4366: 4357: 4305: 4244: 4229:Oswego Formation 4163:Cincinnati Group 4140:Cincinnati Group 4128: 4119: 4063:Keefer Formation 4041: 3972: 3918: 3903:Keyser Formation 3893:Bertie Formation 3881: 3858:Helderberg Group 3805: 3731: 3702:Sonyea Formation 3632: 3623: 3562:Greenbrier Group 3539:Hinton Formation 3517: 3483:Pottsville Group 3417: 3408: 3373: 3364: 3355: 3350: 3328: 3323: 3297: 3292: 3286: 3281: 3275: 3270: 3249: 3242: 3235: 3226: 3141: 3098: 3067:Axeman Formation 2972:Hatter Formation 2967:Snyder Formation 2942:Rodman Formation 2937:Salona Formation 2932:Coburn Formation 2892: 2798:Guelph Formation 2781:Vernon Formation 2758: 2683: 2666:Bertie Formation 2630: 2600:Keyser Formation 2525: 2408:Ludlow Formation 2403:Moscow Formation 2377: 2328:West River Shale 2270:Angola Formation 2259:West Falls Group 2192:Duncannon Member 2052:Oswayo Formation 2025: 2016: 1904:Maxton Sandstone 1899:Hinton Formation 1859: 1838:Sharon Sandstone 1816:Sharon Formation 1802:Quakertown Shale 1769:Pottsville Group 1722:Mercer Formation 1696:Pottsville Group 1199: 1190: 1116:Donley Limestone 1051:Greene Formation 1033: 1024: 1019: 1013: 1008: 987: 980: 973: 964: 855:Denley Formation 843: 834: 799: 750: 735:Bertie Formation 723: 688: 669:Tioga Bentonites 631:Moscow Formation 610: 586:Sonyea Formation 533:Oswayo Formation 506: 497: 488: 483: 477: 472: 451: 444: 437: 428: 423: 421: 419: 383: 381: 379: 363: 362: 355: 349: 348: 346: 345: 330: 324: 323: 321: 319: 303: 297: 296: 294: 293: 282: 252: 247: 246: 245: 238: 233: 232: 231: 224: 219: 218: 217: 150: 72:West Falls Group 19: 4648: 4647: 4643: 4642: 4641: 4639: 4638: 4637: 4603: 4602: 4601: 4600: 4540: 4538: 4525: 4507: 4456: 4427:Conasauga Group 4402:Chilhowee Group 4389: 4338: 4294: 4281: 4263: 4233: 4205: 4182: 4149: 4100: 4077: 4073:Rochester Shale 4026: 4003: 3957: 3939: 3907: 3862: 3844: 3826: 3790: 3771:Marcellus Shale 3752: 3743:Tully Limestone 3716: 3668: 3649:Berea Sandstone 3644:Price Formation 3604: 3600:Berea Sandstone 3580:Price Formation 3566: 3548: 3502: 3469: 3451: 3447:Conemaugh Group 3433: 3389: 3348: 3338: 3321: 3307: 3290: 3279: 3268: 3262: 3253: 3223: 3218: 3194: 3157: 3130: 3112:Knox Supergroup 3083: 3043:Knox Supergroup 3029: 3006:Knox Supergroup 2983: 2877: 2845:Rochester Shale 2816: 2743: 2712: 2672: 2649: 2647:Akron Formation 2611: 2577: 2559: 2510: 2429: 2387:Tully Limestone 2366: 2348: 2300:Middlesex Shale 2208: 2140:Cleveland Shale 1997: 1981:Berea Sandstone 1938: 1916: 1844: 1791:Quakertown Coal 1787:"2nd Salt Sand" 1773: 1755: 1714:"1st Salt Sand" 1700: 1681:Brookville Coal 1569: 1565:Allegheny Group 1551: 1529:Bush Creek Coal 1412: 1408:Conemaugh Group 1394: 1328: 1277:Waynesburg coal 1265: 1215: 1175: 1164:Washington Coal 1132: 1124:Rockport Member 1049: 1017: 1006: 1000: 991: 961: 944: 931: 922:Selby Formation 884: 815: 784: 766: 739: 704: 673: 659:Marcellus Shale 645: 629: 622:Tully Limestone 595: 552: 548:Westfield Shale 481: 470: 464: 455: 417: 415: 386: 377: 375: 370: 367: 366: 357: 356: 352: 343: 341: 332: 331: 327: 317: 315: 305: 304: 300: 291: 289: 284: 283: 276: 271: 248: 243: 241: 234: 229: 227: 220: 215: 213: 210: 190:Middlesex Shale 170:. It preserves 151: 17: 12: 11: 5: 4646: 4644: 4636: 4635: 4630: 4625: 4620: 4615: 4605: 4604: 4599: 4598: 4591: 4584: 4576: 4573: 4572: 4552: 4535: 4534: 4531: 4530: 4527: 4526: 4524: 4523: 4518: 4512: 4509: 4508: 4506: 4501: 4499: 4490: 4481: 4472: 4466: 4465: 4462: 4461: 4458: 4457: 4455: 4454: 4449: 4444: 4439: 4434: 4429: 4423: 4422: 4419: 4414: 4409: 4404: 4398: 4395: 4394: 4391: 4390: 4388: 4387: 4381: 4380: 4374: 4372: 4363: 4354: 4348: 4347: 4344: 4343: 4340: 4339: 4337: 4336: 4331: 4325: 4324: 4318: 4313: 4311: 4302: 4296: 4295: 4293: 4292: 4286: 4283: 4282: 4280: 4279: 4277:St. Paul Group 4273: 4271: 4265: 4264: 4262: 4257: 4252: 4250: 4241: 4235: 4234: 4232: 4231: 4226: 4221: 4216: 4210: 4207: 4206: 4204: 4203: 4198: 4192: 4190: 4184: 4183: 4181: 4180: 4175: 4170: 4165: 4159: 4157: 4151: 4150: 4148: 4147: 4142: 4136: 4134: 4125: 4116: 4110: 4109: 4106: 4105: 4102: 4101: 4099: 4098: 4093: 4087: 4085: 4079: 4078: 4076: 4075: 4070: 4065: 4060: 4055: 4049: 4047: 4038: 4032: 4031: 4028: 4027: 4025: 4024: 4019: 4013: 4011: 4005: 4004: 4002: 4001: 3996: 3991: 3986: 3980: 3978: 3969: 3963: 3962: 3959: 3958: 3956: 3955: 3949: 3947: 3941: 3940: 3938: 3937: 3932: 3926: 3924: 3915: 3909: 3908: 3906: 3905: 3900: 3895: 3889: 3887: 3878: 3872: 3871: 3868: 3867: 3864: 3863: 3861: 3860: 3854: 3852: 3846: 3845: 3843: 3842: 3836: 3834: 3828: 3827: 3825: 3824: 3819: 3817:Needmore Shale 3813: 3811: 3802: 3796: 3795: 3792: 3791: 3789: 3788: 3783: 3781:Needmore Shale 3778: 3773: 3768: 3766:Hamilton Group 3762: 3760: 3754: 3753: 3751: 3750: 3748:Hamilton Group 3745: 3739: 3737: 3728: 3722: 3721: 3718: 3717: 3715: 3714: 3709: 3704: 3699: 3694: 3689: 3687:Java Formation 3684: 3678: 3676: 3670: 3669: 3667: 3666: 3661: 3656: 3651: 3646: 3640: 3638: 3629: 3620: 3614: 3613: 3610: 3609: 3606: 3605: 3603: 3602: 3597: 3592: 3587: 3582: 3576: 3574: 3568: 3567: 3565: 3564: 3558: 3556: 3550: 3549: 3547: 3546: 3541: 3536: 3531: 3525: 3523: 3514: 3508: 3507: 3504: 3503: 3501: 3500: 3495: 3490: 3485: 3479: 3477: 3471: 3470: 3468: 3467: 3461: 3459: 3453: 3452: 3450: 3449: 3443: 3441: 3435: 3434: 3432: 3431: 3425: 3423: 3414: 3405: 3399: 3398: 3395: 3394: 3391: 3390: 3388: 3387: 3381: 3379: 3370: 3361: 3352: 3344: 3343: 3340: 3339: 3336: 3334: 3325: 3317: 3316: 3313: 3312: 3309: 3308: 3305: 3303: 3294: 3283: 3272: 3264: 3263: 3254: 3252: 3251: 3244: 3237: 3229: 3220: 3219: 3217: 3212: 3210: 3204: 3203: 3200: 3199: 3196: 3195: 3193: 3192: 3187: 3182: 3177: 3172: 3166: 3163: 3162: 3159: 3158: 3156: 3155: 3149: 3147: 3138: 3132: 3131: 3129: 3128: 3123: 3117: 3116: 3115: 3114: 3106: 3104: 3095: 3089: 3088: 3085: 3084: 3082: 3081: 3080: 3079: 3074: 3069: 3061: 3060: 3058: 3052: 3051: 3050: 3049: 3045: 3039: 3037: 3031: 3030: 3028: 3027: 3026: 3025: 3017: 3016: 3015: 3014: 3008: 3000: 2999: 2993: 2991: 2985: 2984: 2977: 2976: 2975: 2974: 2969: 2964: 2956: 2955: 2953: 2947: 2946: 2945: 2944: 2939: 2934: 2926: 2925: 2923: 2917: 2916: 2911: 2906: 2900: 2898: 2889: 2883: 2882: 2879: 2878: 2876: 2875: 2874: 2873: 2865: 2864: 2862: 2856: 2855: 2854: 2853: 2847: 2839: 2838: 2836: 2830: 2828: 2822: 2821: 2818: 2817: 2815: 2814: 2813: 2812: 2809: 2804: 2799: 2793: 2792: 2790:Lockport Group 2786: 2785: 2784: 2783: 2775: 2774: 2772: 2766: 2764: 2755: 2749: 2748: 2745: 2744: 2742: 2741: 2740: 2739: 2731: 2730: 2728: 2722: 2720: 2714: 2713: 2711: 2710: 2709: 2708: 2700: 2699: 2697: 2691: 2689: 2680: 2674: 2673: 2671: 2670: 2669: 2668: 2660: 2659: 2657: 2651: 2650: 2644: 2638: 2636: 2627: 2621: 2620: 2617: 2616: 2613: 2612: 2610: 2609: 2608: 2607: 2602: 2594: 2593: 2587: 2585: 2579: 2578: 2576: 2575: 2569: 2567: 2561: 2560: 2558: 2557: 2552: 2547: 2541:Needmore Shale 2533: 2531: 2522: 2516: 2515: 2512: 2511: 2509: 2508: 2506:Needmore Shale 2503: 2502: 2501: 2495: 2494: 2493: 2492: 2484: 2483: 2482: 2481: 2478: 2475: 2472: 2466: 2465: 2459: 2458: 2457: 2456: 2448: 2447: 2445: 2443:Hamilton Group 2439: 2437: 2431: 2430: 2428: 2427: 2422: 2421: 2420: 2415: 2410: 2405: 2397: 2396: 2394: 2392:Hamilton Group 2385: 2383: 2374: 2368: 2367: 2365: 2364: 2359: 2353: 2350: 2349: 2347: 2346: 2345: 2344: 2335: 2330: 2322: 2321: 2320: 2319: 2315: 2305: 2304: 2303: 2302: 2297: 2295:Cashaqua Shale 2289: 2288: 2286: 2280: 2279: 2278: 2277: 2272: 2264: 2263: 2261: 2255: 2254: 2249: 2243: 2242: 2241: 2240: 2235: 2227: 2226: 2224: 2222:Catskill Group 2218: 2216: 2210: 2209: 2207: 2206: 2205: 2204: 2199: 2194: 2186: 2185: 2183: 2181:Catskill Group 2177: 2176: 2171: 2166: 2161: 2159:Java Formation 2155: 2154: 2153: 2152: 2147: 2142: 2134: 2133: 2131: 2125: 2124: 2123: 2122: 2116: 2115: 2113: 2107: 2106: 2105: 2104: 2098: 2097: 2095: 2093:Bradford Group 2089: 2088: 2087: 2086: 2085:, First Warren 2080: 2074: 2073: 2071: 2065: 2064: 2059: 2054: 2049: 2044: 2039: 2033: 2031: 2022: 2013: 2007: 2006: 2003: 2002: 1999: 1998: 1996: 1995: 1990: 1989: 1988: 1983: 1978: 1973: 1964: 1963: 1961: 1955: 1954: 1948: 1946: 1940: 1939: 1937: 1936: 1926: 1924: 1918: 1917: 1915: 1914: 1913: 1912: 1906: 1901: 1896: 1891: 1883: 1882: 1880: 1874: 1873: 1867: 1865: 1856: 1850: 1849: 1846: 1845: 1843: 1842: 1841: 1840: 1835: 1829: 1821: 1820: 1818: 1812: 1811: 1810: 1809: 1804: 1799: 1794: 1788: 1779: 1778: 1771: 1765: 1763: 1757: 1756: 1754: 1753: 1752: 1751: 1745: 1740: 1735: 1727: 1726: 1724: 1718: 1717: 1716: 1715: 1706: 1705: 1698: 1692: 1691: 1690: 1689: 1684: 1678: 1673: 1664: 1663: 1661: 1655: 1654: 1653: 1652: 1647: 1641: 1635: 1630: 1622: 1621: 1619: 1613: 1612: 1611: 1610: 1605: 1600: 1594: 1589: 1584: 1575: 1574: 1567: 1561: 1559: 1553: 1552: 1550: 1549: 1548: 1547: 1542: 1536: 1531: 1523: 1522: 1520: 1514: 1513: 1512: 1511: 1506: 1501: 1496: 1491: 1486: 1481: 1476: 1471: 1469:Ames Limestone 1463: 1462: 1460: 1454: 1453: 1452: 1451: 1446: 1441: 1436: 1431: 1426: 1418: 1417: 1410: 1404: 1402: 1396: 1395: 1393: 1392: 1391: 1390: 1384: 1379: 1373: 1368: 1363: 1358: 1355:Sewickley Coal 1352: 1347: 1342: 1334: 1333: 1325: 1324: 1323: 1322: 1317: 1311: 1308:Uniontown Coal 1305: 1300: 1295: 1290: 1285: 1280: 1271: 1270: 1263: 1257: 1256: 1255: 1254: 1249: 1244: 1239: 1234: 1229: 1221: 1220: 1213: 1207: 1205: 1196: 1187: 1181: 1180: 1177: 1176: 1174: 1173: 1172: 1171: 1166: 1161: 1156: 1154:Jollytown Coal 1151: 1146: 1138: 1137: 1129: 1128: 1127: 1126: 1121: 1118: 1113: 1108: 1103: 1098: 1093: 1088: 1083: 1078: 1073: 1068: 1066:Windy Gap Coal 1063: 1055: 1054: 1047: 1041: 1039: 1030: 1021: 1010: 1002: 1001: 992: 990: 989: 982: 975: 967: 958: 957: 954: 953: 950: 949: 946: 945: 943: 942: 936: 933: 932: 930: 929: 924: 919: 913: 912: 907: 901: 900: 894: 892: 886: 885: 883: 882: 877: 872: 870:Rust Formation 867: 862: 857: 851: 849: 840: 831: 825: 824: 821: 820: 817: 816: 814: 813: 807: 805: 796: 790: 789: 786: 785: 783: 782: 776: 774: 768: 767: 765: 764: 758: 756: 747: 741: 740: 738: 737: 731: 729: 720: 714: 713: 710: 709: 706: 705: 703: 702: 696: 694: 685: 679: 678: 675: 674: 672: 671: 666: 661: 655: 653: 647: 646: 644: 643: 638: 633: 627:Hamilton Group 624: 618: 616: 607: 601: 600: 597: 596: 594: 593: 588: 583: 581:Java Formation 578: 573: 568: 562: 560: 554: 553: 551: 550: 545: 540: 535: 530: 525: 520: 514: 512: 503: 494: 485: 474: 466: 465: 456: 454: 453: 446: 439: 431: 425: 424: 384: 365: 364: 350: 325: 298: 286:"Sonyea Group" 273: 272: 270: 267: 266: 265: 260: 254: 253: 239: 225: 209: 206: 202:Pulteney shale 200:") Siltstone, 186:Cashaqua Shale 164:geologic group 154: 153: 143: 142: 137: 133: 132: 123: 119: 118: 114: 113: 108: 104: 103: 98: 94: 93: 89: 88: 79: 75: 74: 69: 65: 64: 59: 55: 54: 49: 45: 44: 39: 35: 34: 24: 23: 16:Geologic group 15: 13: 10: 9: 6: 4: 3: 2: 4645: 4634: 4631: 4629: 4626: 4624: 4621: 4619: 4616: 4614: 4611: 4610: 4608: 4597: 4592: 4590: 4585: 4583: 4578: 4577: 4571: 4569: 4565: 4561: 4558: 4557:stratigraphic 4553: 4550: 4546: 4541: 4522: 4519: 4517: 4514: 4513: 4505: 4502: 4500: 4498: 4494: 4491: 4489: 4485: 4482: 4480: 4476: 4473: 4471: 4467: 4453: 4450: 4448: 4445: 4443: 4440: 4438: 4435: 4433: 4430: 4428: 4425: 4424: 4420: 4418: 4415: 4413: 4410: 4408: 4405: 4403: 4400: 4399: 4386: 4383: 4382: 4379: 4376: 4375: 4373: 4371: 4367: 4364: 4362: 4358: 4355: 4353: 4349: 4335: 4332: 4330: 4327: 4326: 4323: 4320: 4319: 4317: 4314: 4312: 4310: 4306: 4303: 4301: 4297: 4291: 4288: 4287: 4278: 4275: 4274: 4272: 4270: 4266: 4261: 4258: 4256: 4253: 4251: 4249: 4245: 4242: 4240: 4236: 4230: 4227: 4225: 4222: 4220: 4217: 4215: 4212: 4211: 4202: 4199: 4197: 4194: 4193: 4191: 4189: 4185: 4179: 4176: 4174: 4171: 4169: 4166: 4164: 4161: 4160: 4158: 4156: 4152: 4146: 4143: 4141: 4138: 4137: 4135: 4133: 4129: 4126: 4124: 4120: 4117: 4115: 4111: 4097: 4094: 4092: 4089: 4088: 4086: 4084: 4080: 4074: 4071: 4069: 4066: 4064: 4061: 4059: 4056: 4054: 4051: 4050: 4048: 4046: 4042: 4039: 4037: 4033: 4023: 4020: 4018: 4015: 4014: 4012: 4010: 4006: 4000: 3997: 3995: 3992: 3990: 3987: 3985: 3982: 3981: 3979: 3977: 3973: 3970: 3968: 3964: 3954: 3951: 3950: 3948: 3946: 3942: 3936: 3933: 3931: 3928: 3927: 3925: 3923: 3919: 3916: 3914: 3910: 3904: 3901: 3899: 3896: 3894: 3891: 3890: 3888: 3886: 3882: 3879: 3877: 3873: 3859: 3856: 3855: 3853: 3851: 3847: 3841: 3838: 3837: 3835: 3833: 3829: 3823: 3820: 3818: 3815: 3814: 3812: 3810: 3806: 3803: 3801: 3797: 3787: 3784: 3782: 3779: 3777: 3774: 3772: 3769: 3767: 3764: 3763: 3761: 3759: 3755: 3749: 3746: 3744: 3741: 3740: 3738: 3736: 3732: 3729: 3727: 3723: 3713: 3710: 3708: 3707:Harrell Shale 3705: 3703: 3700: 3698: 3695: 3693: 3690: 3688: 3685: 3683: 3680: 3679: 3677: 3675: 3671: 3665: 3662: 3660: 3657: 3655: 3654:Bedford Shale 3652: 3650: 3647: 3645: 3642: 3641: 3639: 3637: 3633: 3630: 3628: 3624: 3621: 3619: 3615: 3601: 3598: 3596: 3595:Sunbury Shale 3593: 3591: 3588: 3586: 3583: 3581: 3578: 3577: 3575: 3573: 3569: 3563: 3560: 3559: 3557: 3555: 3551: 3545: 3542: 3540: 3537: 3535: 3532: 3530: 3527: 3526: 3524: 3522: 3518: 3515: 3513: 3509: 3499: 3496: 3494: 3491: 3489: 3486: 3484: 3481: 3480: 3478: 3476: 3472: 3466: 3463: 3462: 3460: 3458: 3454: 3448: 3445: 3444: 3442: 3440: 3436: 3430: 3427: 3426: 3424: 3422: 3418: 3415: 3413: 3409: 3406: 3404: 3400: 3386: 3385:Dunkard Group 3383: 3382: 3380: 3378: 3374: 3371: 3369: 3365: 3362: 3360: 3356: 3353: 3351: 3345: 3335: 3333: 3329: 3326: 3324: 3318: 3304: 3302: 3298: 3295: 3293: 3287: 3284: 3282: 3276: 3273: 3271: 3265: 3261: 3260:West Virginia 3257: 3250: 3245: 3243: 3238: 3236: 3231: 3230: 3227: 3216: 3213: 3211: 3209: 3205: 3191: 3188: 3186: 3183: 3181: 3178: 3176: 3173: 3171: 3168: 3167: 3154: 3151: 3150: 3148: 3146: 3142: 3139: 3137: 3133: 3127: 3124: 3122: 3119: 3118: 3113: 3110: 3109: 3108: 3107: 3105: 3103: 3099: 3096: 3094: 3090: 3078: 3075: 3073: 3070: 3068: 3065: 3064: 3063: 3062: 3059: 3057: 3054: 3053: 3048: 3047: 3046: 3044: 3041: 3040: 3038: 3036: 3032: 3024: 3021: 3020: 3019: 3018: 3012: 3009: 3007: 3004: 3003: 3002: 3001: 2998: 2995: 2994: 2992: 2990: 2986: 2982: 2981: 2973: 2970: 2968: 2965: 2963: 2960: 2959: 2958: 2957: 2954: 2952: 2949: 2948: 2943: 2940: 2938: 2935: 2933: 2930: 2929: 2928: 2927: 2924: 2922: 2921:Trenton Group 2919: 2918: 2915: 2912: 2910: 2907: 2905: 2902: 2901: 2899: 2897: 2893: 2890: 2888: 2884: 2872: 2869: 2868: 2867: 2866: 2863: 2861: 2858: 2857: 2852:"Red Clinton" 2851: 2848: 2846: 2843: 2842: 2841: 2840: 2837: 2835: 2834:Clinton Group 2832: 2831: 2829: 2827: 2823: 2810: 2808: 2805: 2803: 2800: 2797: 2796: 2795: 2794: 2791: 2788: 2787: 2782: 2779: 2778: 2777: 2776: 2773: 2771: 2768: 2767: 2765: 2763: 2759: 2756: 2754: 2750: 2738: 2735: 2734: 2733: 2732: 2729: 2727: 2724: 2723: 2721: 2719: 2715: 2707: 2704: 2703: 2702: 2701: 2698: 2696: 2693: 2692: 2690: 2688: 2684: 2681: 2679: 2675: 2667: 2664: 2663: 2662: 2661: 2658: 2656: 2653: 2652: 2648: 2645: 2643: 2640: 2639: 2637: 2635: 2631: 2628: 2626: 2622: 2606: 2603: 2601: 2598: 2597: 2596: 2595: 2592: 2589: 2588: 2586: 2584: 2580: 2574: 2571: 2570: 2568: 2566: 2562: 2556: 2553: 2551: 2548: 2546: 2542: 2538: 2535: 2534: 2532: 2530: 2526: 2523: 2521: 2517: 2507: 2504: 2499: 2498: 2497: 2496: 2491: 2488: 2487: 2486: 2485: 2479: 2476: 2473: 2470: 2469: 2468: 2467: 2464: 2461: 2460: 2455: 2452: 2451: 2450: 2449: 2446: 2444: 2441: 2440: 2438: 2436: 2432: 2426: 2423: 2419: 2416: 2414: 2411: 2409: 2406: 2404: 2401: 2400: 2399: 2398: 2395: 2393: 2390: 2389: 2388: 2384: 2382: 2378: 2375: 2373: 2369: 2363: 2360: 2358: 2355: 2354: 2343: 2342:Geneseo Shale 2339: 2336: 2334: 2331: 2329: 2326: 2325: 2324: 2323: 2318: 2317: 2316: 2314: 2313:Harrell Shale 2310: 2309:Genesee Group 2307: 2306: 2301: 2298: 2296: 2293: 2292: 2291: 2290: 2287: 2285: 2282: 2281: 2276: 2273: 2271: 2268: 2267: 2266: 2265: 2262: 2260: 2257: 2256: 2253: 2250: 2248: 2245: 2244: 2239: 2236: 2234: 2231: 2230: 2229: 2228: 2225: 2223: 2220: 2219: 2217: 2215: 2211: 2203: 2200: 2198: 2195: 2193: 2190: 2189: 2188: 2187: 2184: 2182: 2179: 2178: 2175: 2172: 2170: 2167: 2165: 2162: 2160: 2157: 2156: 2151: 2148: 2146: 2143: 2141: 2138: 2137: 2136: 2135: 2132: 2130: 2127: 2126: 2120: 2119: 2118: 2117: 2114: 2112: 2109: 2108: 2102: 2101: 2100: 2099: 2096: 2094: 2091: 2090: 2084: 2081: 2078: 2077: 2076: 2075: 2072: 2070: 2069:Venango Group 2067: 2066: 2063: 2060: 2058: 2057:Bedford Shale 2055: 2053: 2050: 2048: 2045: 2043: 2040: 2038: 2035: 2034: 2032: 2030: 2026: 2023: 2021: 2017: 2014: 2012: 2008: 1994: 1991: 1987: 1986:Bedford Shale 1984: 1982: 1979: 1977: 1976:Sunbury Shale 1974: 1971: 1968: 1967: 1966: 1965: 1962: 1960: 1957: 1956: 1953: 1950: 1949: 1947: 1945: 1941: 1935: 1931: 1928: 1927: 1925: 1923: 1919: 1911:"Little Lime" 1910: 1907: 1905: 1902: 1900: 1897: 1895: 1892: 1890: 1887: 1886: 1885: 1884: 1881: 1879: 1876: 1875: 1872: 1869: 1868: 1866: 1864: 1860: 1857: 1855: 1851: 1839: 1836: 1833: 1830: 1828: 1825: 1824: 1823: 1822: 1819: 1817: 1814: 1813: 1808: 1805: 1803: 1800: 1798: 1795: 1792: 1789: 1786: 1783: 1782: 1781: 1780: 1776: 1772: 1770: 1767: 1766: 1764: 1762: 1758: 1749: 1746: 1744: 1741: 1739: 1736: 1734: 1731: 1730: 1729: 1728: 1725: 1723: 1720: 1719: 1713: 1710: 1709: 1708: 1707: 1703: 1699: 1697: 1694: 1693: 1688: 1685: 1682: 1679: 1677: 1674: 1672:"No. 4a Coal" 1671: 1668: 1667: 1666: 1665: 1662: 1660: 1657: 1656: 1651: 1648: 1645: 1642: 1639: 1636: 1634: 1631: 1629: 1626: 1625: 1624: 1623: 1620: 1618: 1615: 1614: 1609: 1606: 1604: 1601: 1599:"No. 6a Coal" 1598: 1595: 1593: 1590: 1588: 1585: 1582: 1579: 1578: 1577: 1576: 1572: 1568: 1566: 1563: 1562: 1560: 1558: 1554: 1546: 1543: 1541:"No. 7a Coal" 1540: 1539:Mahoning Coal 1537: 1535: 1532: 1530: 1527: 1526: 1525: 1524: 1521: 1519: 1516: 1515: 1510: 1507: 1505: 1502: 1500: 1497: 1495: 1492: 1490: 1487: 1485: 1482: 1480: 1477: 1475: 1472: 1470: 1467: 1466: 1465: 1464: 1461: 1459: 1456: 1455: 1450: 1447: 1445: 1442: 1440: 1437: 1435: 1432: 1430: 1427: 1425: 1422: 1421: 1420: 1419: 1415: 1411: 1409: 1406: 1405: 1403: 1401: 1397: 1388: 1385: 1383: 1380: 1378:"No 8a. Coal" 1377: 1374: 1372: 1369: 1367: 1364: 1362: 1359: 1356: 1353: 1351: 1348: 1346: 1343: 1341: 1338: 1337: 1336: 1335: 1331: 1327: 1326: 1321: 1318: 1315: 1312: 1310:"No. 10 Coal" 1309: 1306: 1304: 1301: 1299: 1296: 1294: 1291: 1289: 1286: 1284: 1281: 1279:"No. 11 Coal" 1278: 1275: 1274: 1273: 1272: 1268: 1264: 1262: 1259: 1258: 1253: 1250: 1248: 1245: 1243: 1240: 1238: 1235: 1233: 1230: 1228: 1225: 1224: 1223: 1222: 1218: 1214: 1212: 1211:Dunkard Group 1209: 1208: 1206: 1204: 1200: 1197: 1195: 1191: 1188: 1186: 1182: 1170: 1167: 1165: 1162: 1160: 1157: 1155: 1152: 1150: 1147: 1145: 1142: 1141: 1140: 1139: 1135: 1131: 1130: 1125: 1122: 1119: 1117: 1114: 1112: 1109: 1107: 1104: 1102: 1099: 1097: 1094: 1092: 1089: 1087: 1084: 1082: 1079: 1077: 1074: 1072: 1069: 1067: 1064: 1062: 1059: 1058: 1057: 1056: 1052: 1048: 1046: 1045:Dunkard Group 1043: 1042: 1040: 1038: 1034: 1031: 1029: 1025: 1022: 1020: 1014: 1011: 1009: 1003: 999: 995: 988: 983: 981: 976: 974: 969: 968: 965: 941: 938: 937: 928: 925: 923: 920: 918: 915: 914: 911: 908: 906: 903: 902: 899: 896: 895: 893: 891: 887: 881: 878: 876: 873: 871: 868: 866: 863: 861: 858: 856: 853: 852: 850: 848: 844: 841: 839: 835: 832: 830: 826: 812: 809: 808: 806: 804: 800: 797: 795: 791: 781: 778: 777: 775: 773: 769: 763: 760: 759: 757: 755: 751: 748: 746: 742: 736: 733: 732: 730: 728: 724: 721: 719: 715: 701: 698: 697: 695: 693: 689: 686: 684: 680: 670: 667: 665: 662: 660: 657: 656: 654: 652: 648: 642: 639: 637: 634: 632: 628: 625: 623: 620: 619: 617: 615: 611: 608: 606: 602: 592: 589: 587: 584: 582: 579: 577: 576:Geneseo Shale 574: 572: 571:Genesee Group 569: 567: 564: 563: 561: 559: 555: 549: 546: 544: 541: 539: 536: 534: 531: 529: 526: 524: 521: 519: 516: 515: 513: 511: 507: 504: 502: 498: 495: 493: 489: 486: 484: 478: 475: 473: 467: 463: 459: 452: 447: 445: 440: 438: 433: 432: 429: 414: 410: 406: 402: 398: 394: 390: 385: 374: 369: 368: 360: 354: 351: 340: 336: 329: 326: 313: 309: 302: 299: 287: 281: 279: 275: 268: 264: 261: 259: 256: 255: 251: 240: 237: 226: 223: 212: 207: 205: 203: 199: 195: 191: 187: 182: 180: 177: 173: 169: 165: 161: 149: 144: 141: 140:United States 138: 134: 131: 130:North America 127: 124: 120: 115: 112: 109: 105: 102: 99: 95: 90: 87: 86:Harrell Shale 83: 82:Genesee Group 80: 76: 73: 70: 66: 63: 60: 56: 53: 50: 46: 43: 40: 36: 33: 29: 25: 20: 4568:expanding it 4554: 4539: 4009:Sheinwoodian 3984:Salina Group 3953:Salina Group 3930:Salina Group 3701: 3521:Serpukhovian 2978: 2860:Medina Group 2770:Salina Group 2726:Salina Group 2695:Salina Group 2655:Salina Group 2338:Burket Shale 2284:Sonyea Group 1959:Pocono Group 1863:Serpukhovian 1834:"No. 1 Coal" 1793:"No. 2 Coal" 1750:"No. 3 Coal" 1683:"No. 4 Coal" 1670:Clarian Coal 1646:"No. 5 Coal" 1640:"No. 6 Coal" 1583:"No. 7 Coal" 1389:"No. 8 Coal" 1316:"Great Lime" 1111:Tenmile Coal 1101:Dunkard Coal 1081:Nineveh Coal 998:Pennsylvania 811:Salina Group 780:Salina Group 762:Salina Group 585: 418:22 September 416:. Retrieved 396: 392: 376:. Retrieved 353: 342:. Retrieved 328: 318:22 September 316:. Retrieved 311: 301: 290:. Retrieved 183: 160:Sonyea Group 159: 157: 61: 22:Sonyea Group 4309:Tremadocian 4248:Darriwilian 4178:Utica Shale 3697:Rhinestreet 3572:Tournaisian 2914:Utica Shale 2150:Huron Shale 1944:Tournaisian 1932:"Big Lime" 1832:Sharon Coal 378:17 December 128:of eastern 4607:Categories 4442:Rome Group 4378:Knox Group 4322:Knox Group 4132:Hirnantian 4036:Llandovery 3922:Ludfordian 3850:Lochkovian 3659:Ohio Shale 3475:Bashkirian 3439:Kasimovian 3368:Cisuralian 2826:Llandovery 2687:Ludfordian 2583:Lochkovian 2474:Moorehouse 2129:Ohio Shale 1761:Bashkirian 1400:Kasimovian 1037:Cisuralian 754:Ludfordian 344:2015-09-17 292:2015-09-17 269:References 4560:formation 4497:Ediacaran 4361:Furongian 4269:Dapingian 4045:Telychian 3636:Famennian 3457:Moscovian 3102:Furongian 2480:Edgecliff 2111:Elk Group 2029:Famennian 1557:Moscovian 510:Famennian 111:Siltstone 92:Lithology 68:Underlies 58:Sub-units 4370:Stage 10 4188:Sandbian 4083:Aeronian 3976:Homerian 3945:Gorstian 3758:Eifelian 3735:Givetian 3674:Frasnian 3421:Gzhelian 3377:Asselian 3136:Series 2 2762:Homerian 2718:Gorstian 2435:Eifelian 2381:Givetian 2214:Frasnian 1203:Gzhelian 890:Sandbian 803:Homerian 772:Gorstian 651:Eifelian 614:Givetian 558:Frasnian 528:NE Shale 462:New York 208:See also 176:Devonian 117:Location 78:Overlies 62:See text 52:Frasnian 32:Frasnian 3967:Wenlock 3885:Pridoli 3832:Pragian 3145:Stage 4 2753:Wenlock 2634:Pridoli 2565:Pragian 794:Wenlock 727:Pridoli 401:Bibcode 172:fossils 136:Country 97:Primary 48:Unit of 4239:Middle 4155:Katian 3913:Ludlow 3809:Emsian 3726:Middle 3554:VisĂ©an 3301:Eocene 2989:Middle 2678:Ludlow 2529:Emsian 2477:Nedrow 2471:Seneca 2372:Middle 1922:VisĂ©an 847:Katian 745:Ludlow 692:Emsian 605:Middle 288:. USGS 179:period 122:Region 4300:Lower 4123:Upper 3800:Lower 3627:Upper 3035:Lower 2896:Upper 2520:Lower 2020:Upper 838:Upper 683:Lower 501:Upper 162:is a 107:Other 101:Shale 42:Group 4564:stub 420:2015 380:2021 320:2015 158:The 84:and 38:Type 3258:of 996:of 460:of 409:doi 4609:: 4470:pЄ 3349:Pz 3322:Mz 3291:Pe 3280:Cz 3269:Ph 3208:pЄ 2543:, 2539:, 2340:/ 2311:/ 1018:Pz 1007:Ph 482:Pz 471:Ph 407:. 397:69 395:. 391:. 337:. 310:. 277:^ 196:(" 181:. 30:: 4595:e 4588:t 4581:v 4570:. 4488:Z 4479:♇ 4352:Є 4114:O 3876:S 3618:D 3512:M 3412:⁋ 3403:C 3359:P 3332:J 3248:e 3241:t 3234:v 3093:Є 3013:: 2887:O 2625:S 2011:D 1854:M 1777:: 1704:: 1573:: 1416:: 1332:: 1269:: 1219:: 1194:⁋ 1185:C 1136:: 1053:: 1028:P 986:e 979:t 972:v 829:O 718:S 492:D 450:e 443:t 436:v 422:. 411:: 403:: 382:. 361:. 347:. 322:. 295:.

Index

Stratigraphic range
Frasnian
Group
Frasnian
West Falls Group
Genesee Group
Harrell Shale
Shale
Siltstone
Appalachian Basin
North America
United States

geologic group
Appalachian Basin
fossils
Devonian
period
Cashaqua Shale
Middlesex Shale
Rock Stream Formation
Enfield Formation
Pulteney shale
Pennsylvania portal
New York (state) portal
Paleontology portal
List of fossiliferous stratigraphic units in Pennsylvania
Paleontology in Pennsylvania

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