344:
Member, Campbell Ledge Shale Member, Chestnut
Sandstone Member, Connoquenessing Sandstone Member, Dundee Sandstone Member, Flint Ridge Clay Bed or Flint Ridge Shale Member, Harrison Member, Homewood Sandstone Member, Huckleberry Clay Bed, Kanawha Member, Lick Creek Sandstone Member, Lowellville Limestone Member, Lower Mercer Limestone Member, Massilon Sandstone Member, McArthur Member, Mercer Member, Middle Mercer Shale Member, Mount Savage Clay Bed, Olean Conglomerate Member of Olean Sandstone Member, Pine Sandstone Member, Poverty Run Member, Razburg Sandstone Member, Rocky Ridge Sandstone Member, Schuylkill Member, Sciotoville Clay Member, Shades Sandstone Member, Sharon Coal Bed, Sharon Member, Sharp Mountain Member, Straight Ridge Sandstone Member, Straven Conglomerate Member, Tionesta Clay Bed, Tumbling Run Member, Upper Mercer Limestone Member or Upper Mercer Bed, Vandusen Shale Member, Wolf Ridge Sandstone Member.
384:
48:
213:
347:
As a group, the
Pottsville may encompass the following formations depending on the state in which it occurs: Connoquenessing Formation, Curwensville Formation, Elliott Park Formation, Gurnee Formation, Hance Formation, Homewood Formation or Homewood Sandstone, Mercer Formation, New River Formation,
343:
As a formation, the
Pottsville may encompass the following members depending on the state in which it occurs: Alton Coal Member, Anthony Shale Member, Bear Run Member, Bedford Clay Bed, Boggs Member, Boyles Sandstone Member, Bremen Sandstone Member, Brookville Clay Member, Camp Branch Sandstone
511:
Rice, C.L., Hiett, J.K., and
Koozmin, E.D., 1994, Glossary of Pennsylvanian stratigraphic names, central Appalachian basin, IN Rice, C.L., ed., Elements of Pennsylvanian stratigraphy, central Appalachian basin: Geological Society of America Special Paper, 294, p.
682:
Harrison, R.W., 1997, Bedrock geologic map of the St. Louis 30' x 60' quadrangle, Missouri and
Illinois: U.S. Geological Survey Miscellaneous Investigations Series Map, I-2533, 7 p., 2 sheets, scale 1:100,000
755:
2157:
998:
348:
Olean
Conglomerate or Olean Formation, Pocahontas Formation, Schuylkill Formation, Sharon Formation or Sharon Sandstone, Sharp Mountain Formation, Tumbling Run Formation.
2147:
478:
694:
Edmunds, W.E., 1992, Early
Pennsylvanian (middle Morrowan) marine transgression in south-central Pennsylvania: Northeastern Geology, v. 14, no. 4, p. 225-231.
748:
521:
Lesley, J.P., 1876, The Boyd's Hill gas well at
Pittsburgh; Appendix E: Pennsylvania Geological Survey Report of Progress, 2nd series, v. L, p. 221-227.
991:
656:
The
Carboniferous Pottsville Formation of eastern Pennsylvania in the central Appalachian foreland basin is considered a classic orogenic molasse …
532:
741:
461:
351:
The
Pottsville was previously mapped in the Illinois basin as well at the Formation level, but was renamed the Tradewater Formation in 1997.
2152:
2132:
488:
483:
984:
591:
332:
The relationship to the term "Pottsville" and actual lithologic units is complex. Most fundamentally, the unit may be considered a
2127:
265:
57:
622:"Cratonal contributions to a" classic" molasse; the Carboniferous Pottsville Formation of eastern Pennsylvania revisited"
2142:
540:
473:
1168:
645:
1973:
1850:
321:
196:
1091:
911:
807:
372:
230:
39:
1586:
2137:
1768:
1520:
862:
289:
140:
1125:
867:
1983:
1940:
957:
929:
425:
400:
383:
173:
113:
53:
2102:
2019:
1945:
1905:
1835:
1818:
1750:
1591:
1573:
1546:
1467:
1428:
1130:
1113:
1068:
934:
852:
633:
544:
337:
333:
724:
2090:
2047:
2014:
1968:
1855:
1703:
1556:
1551:
1487:
1482:
1312:
1195:
1153:
847:
825:
621:
421:
363:
basin in Pennsylvania contains both marine invertebrates and plant fossils of middle Morrowan age.
277:
91:
87:
47:
1391:
1900:
1718:
1708:
1606:
1601:
1515:
1477:
1472:
1336:
1230:
1212:
1158:
1007:
939:
857:
764:
493:
121:
117:
105:
1978:
1963:
1955:
1935:
1915:
1885:
1845:
1783:
1396:
1120:
893:
434:
395:
599:
2024:
1930:
1895:
1890:
1877:
1840:
1828:
1808:
1793:
1788:
1773:
1763:
1740:
1636:
1596:
1505:
1449:
1439:
1386:
1181:
1063:
842:
837:
641:
430:
217:
1925:
1920:
1813:
1745:
1685:
1492:
1444:
1433:
1423:
1406:
1360:
1326:
1307:
1258:
1253:
1235:
1176:
1148:
556:
The major ridge makers are the Tuscarora (T), Pocono (Po), and Pottsville (Pt) Formations.
313:
273:
109:
101:
670:
637:
571:
2083:
2034:
1910:
1735:
1530:
1510:
1379:
1285:
2121:
2029:
1629:
1331:
1302:
1240:
1108:
1082:
1058:
798:
439:
411:
269:
249:
35:
684:
1803:
1798:
1778:
1698:
1680:
1662:
1645:
1374:
1355:
445:
261:
241:
2074:
2065:
1222:
1019:
776:
733:
704:
450:
17:
212:
1868:
1654:
1565:
1319:
1140:
1050:
921:
309:
976:
2006:
1294:
1030:
787:
360:
301:
297:
293:
150:
136:
1204:
1997:
1727:
1672:
1620:
1459:
1415:
1347:
1276:
1100:
949:
903:
885:
245:
387:
Pottsville Formation boulder in the Rock Garden in Worlds End State Park
1041:
768:
371:
Relative age dating of the Pottsville places it in the early to middle
317:
257:
237:
533:"Geomorphology : Chapter 2 Plate T-12 : Folded Appalachians"
1539:
183:
Alabama, Maryland, Mississippi, Ohio, Pennsylvania, and West Virginia
320:. The formation was first described from a railroad cut south of
272:. The Pottsville Formation is conspicuous at many sites along the
543:(GES), Data and Information Services Center (DISC). Archived from
382:
305:
211:
154:
1011:
536:
253:
158:
980:
737:
646:
10.1130/0091-7613(1995)023<0369:CCTACM>2.3.CO;2
705:"Maryland's Geologic Features: Dans Rock, Allegany County"
359:
A 1.3-m interval at the base of the Pottsville in the
671:
http://ngmdb.usgs.gov/Geolex/NewUnits/unit_3393.html
2082:
2073:
2064:
2005:
1996:
1954:
1876:
1867:
1827:
1726:
1717:
1671:
1653:
1644:
1628:
1619:
1564:
1538:
1529:
1458:
1414:
1405:
1346:
1293:
1284:
1275:
1221:
1203:
1194:
1167:
1139:
1099:
1090:
1081:
1049:
1040:
1029:
1018:
948:
920:
902:
884:
824:
806:
797:
786:
775:
202:
192:
187:
179:
169:
164:
146:
132:
127:
97:
82:
72:
64:
29:
673:USGS GEOLEX database, Geologic Unit: Pottsville
2158:Carboniferous southern paleotropical deposits
992:
749:
8:
725:"Thompson Ledges, Geauga County, Ohio, 1975"
288:The Pottsville Formation consists of a gray
2079:
2070:
2002:
1873:
1723:
1650:
1625:
1535:
1411:
1290:
1281:
1200:
1096:
1087:
1046:
1037:
1026:
999:
985:
977:
830:
803:
794:
783:
756:
742:
734:
316:coal. It is considered a classic orogenic
46:
26:
666:
664:
566:
564:
504:
620:Robinson, R.A.J.; Prave, A.R. (1995).
462:Thompson Township, Geauga County, Ohio
2148:Carboniferous geology of Pennsylvania
220:in West Virginia. The major ledge is
7:
598:. Lehigh University. Archived from
572:"GeoLex: Geologic Unit: Pottsville"
224:of the Middle Pottsville Formation.
25:
592:"Geology : Pottsville (Pp)"
278:Allegheny or Appalachian Plateau
276:, the eastern escarpment of the
52:Typical Pottsville Formation at
1:
531:Kempler, Steve (2007-01-19).
328:Nomenclature and stratigraphy
266:Ridge-and-Valley Appalachians
58:Sullivan County, Pennsylvania
2153:Carboniferous West Virginia
2133:Pennsylvanian North America
489:Pennsylvanian North America
484:Carboniferous West Virginia
2174:
479:Carboniferous Pennsylvania
296:, and is known to contain
1249:
833:
292:, fine to coarse grained
222:Connoquenessing sandstone
45:
34:
1974:Point Pleasant Formation
1851:Drowning Creek Formation
322:Pottsville, Pennsylvania
197:Pottsville, Pennsylvania
77:see Stratigraphy section
442:(surrounding mountains)
1521:Tenmile Creek Dolomite
912:Red Mountain Formation
541:Goddard Earth Sciences
388:
226:
1984:Wells Creek Formation
1941:Waynesville Formation
1587:Bass Islands Dolomite
958:Copper Ridge Dolomite
930:Chepultepec Formation
596:LEO EnviroSci Inquiry
401:Worlds End State Park
386:
215:
174:Appalachian Mountains
114:Mauch Chunk Formation
54:Worlds End State Park
2128:Pennsylvanian Series
2103:Middle Run Formation
2020:Eau Claire Formation
1946:Whitewater Formation
1906:Grant Lake Formation
1836:Brassfield Formation
1819:Springfield Dolomite
1769:Cedarville Formation
1751:Goat Island Dolomite
1592:Bois Blanc Formation
1574:Holland Quarry Shale
1547:Amherstburg Dolomite
1468:Amherstburg Dolomite
1429:Mahantango Formation
1131:Pittsburgh Formation
1114:Waynesburg Formation
1069:Washington Formation
935:Sequatchie Formation
863:Pride Mountain Shale
816:Pottsville Formation
234:Pottsville Formation
30:Pottsville Formation
2091:Swift Run Formation
2048:Mt. Simon Sandstone
2015:Conasauga Formation
1969:Lexington Limestone
1856:Manitoulin Dolomite
1704:Greenfield Dolomite
1557:Hillsboro Sandstone
1552:Detroit River Group
1488:Hillsboro Sandstone
1483:Detroit River Group
1313:Cussewago Sandstone
1154:Casselman Formation
1126:Uniontown Formation
868:Tuscumbia Limestone
848:Hartselle Sandstone
638:1995Geo....23..369R
460:Thompson Ledges in
422:Bear Rocks Preserve
92:Llewellyn Formation
88:Allegheny Formation
86:Brookville Coal of
36:Stratigraphic range
2143:Carboniferous Ohio
1901:Fairview Formation
1709:Tymochtee Dolomite
1607:Sylvania Sandstone
1602:Oriskany Sandstone
1516:Onondaga Limestone
1478:Delaware Limestone
1473:Columbus Limestone
1231:Cuyahoga Formation
1213:Maxville Limestone
1159:Glenshaw Formation
1008:Chronostratigraphy
940:Stones River Group
858:Parkwood Formation
765:Chronostratigraphy
494:Upper Mercer flint
474:Carboniferous Ohio
389:
227:
206:J. P. Lesley, 1876
122:Parkwood Formation
118:Maxville Limestone
106:Cuyahoga Formation
2115:
2114:
2111:
2110:
2098:
2097:
2060:
2059:
2056:
2055:
2043:
2042:
1992:
1991:
1979:Trenton Limestone
1964:Black River Group
1936:Trenton Limestone
1916:Liberty Formation
1886:Arnheim Formation
1863:
1862:
1846:Clinton Formation
1784:Euphemia Dolomite
1759:
1758:
1694:
1693:
1615:
1614:
1582:
1581:
1501:
1500:
1397:Rhinestreet Shale
1370:
1369:
1271:
1270:
1267:
1266:
1190:
1189:
1121:Monongahela Group
1077:
1076:
974:
973:
970:
969:
966:
965:
894:Chattanooga Shale
880:
879:
876:
875:
446:Cheat River Gorge
435:Blackwater Canyon
379:Notable exposures
210:
209:
16:(Redirected from
2165:
2080:
2071:
2025:Kerbel Formation
2003:
1931:Saluda Formation
1896:Drakes Formation
1891:Cincinnati Group
1874:
1841:Cabot Head Shale
1809:Peebles Dolomite
1794:Lilley Formation
1789:Laurel Limestone
1774:Dayton Formation
1764:Bisher Formation
1741:Gasport Dolomite
1724:
1651:
1637:Bertie Formation
1626:
1597:Helderberg Group
1536:
1506:Dundee Formation
1450:Silica Formation
1440:Plum Brook Shale
1412:
1387:West Falls Group
1291:
1282:
1201:
1182:Pottsville Group
1097:
1088:
1064:Greene Formation
1047:
1038:
1033:
1027:
1022:
1001:
994:
987:
978:
843:Fort Payne Chert
838:Bangor Limestone
831:
804:
795:
790:
784:
779:
758:
751:
744:
735:
729:
728:
721:
715:
714:
712:
711:
701:
695:
692:
686:
680:
674:
668:
659:
658:
653:
652:
617:
611:
610:
608:
607:
588:
582:
581:
579:
578:
568:
559:
558:
553:
552:
528:
522:
519:
513:
509:
431:Blackwater Falls
260:. It is a major
218:Blackwater Falls
50:
27:
21:
18:Pottsville Group
2173:
2172:
2168:
2167:
2166:
2164:
2163:
2162:
2118:
2117:
2116:
2107:
2094:
2052:
2039:
1988:
1950:
1926:Queenston Shale
1921:Miamitown Shale
1859:
1823:
1814:Rochester Shale
1755:
1746:Guelph Dolomite
1713:
1690:
1686:Guelph Dolomite
1667:
1640:
1611:
1578:
1560:
1525:
1497:
1493:Marcellus Shale
1454:
1445:Prout Limestone
1434:Olentangy Shale
1424:Tully Formation
1401:
1366:
1361:Olentangy Shale
1342:
1327:Cleveland Shale
1308:Berea Sandstone
1263:
1259:Rushville Shale
1254:Coldwater Shale
1245:
1236:Logan Formation
1217:
1186:
1177:Allegheny Group
1163:
1149:Conemaugh Group
1135:
1073:
1031:
1020:
1014:
1005:
975:
962:
944:
916:
898:
872:
853:Lewis Limestone
820:
788:
777:
771:
762:
732:
723:
722:
718:
709:
707:
703:
702:
698:
693:
689:
681:
677:
669:
662:
650:
648:
619:
618:
614:
605:
603:
590:
589:
585:
576:
574:
570:
569:
562:
550:
548:
530:
529:
525:
520:
516:
510:
506:
502:
470:
417:West Virginia:
381:
369:
357:
330:
286:
274:Allegheny Front
268:of the eastern
225:
110:Logan Formation
102:Coldwater Shale
60:
23:
22:
15:
12:
11:
5:
2171:
2169:
2161:
2160:
2155:
2150:
2145:
2140:
2135:
2130:
2120:
2119:
2113:
2112:
2109:
2108:
2106:
2105:
2099:
2096:
2095:
2093:
2088:
2086:
2077:
2068:
2062:
2061:
2058:
2057:
2054:
2053:
2051:
2050:
2044:
2041:
2040:
2038:
2037:
2035:Rome Formation
2032:
2027:
2022:
2017:
2011:
2009:
2000:
1994:
1993:
1990:
1989:
1987:
1986:
1981:
1976:
1971:
1966:
1960:
1958:
1952:
1951:
1949:
1948:
1943:
1938:
1933:
1928:
1923:
1918:
1913:
1911:Kope Formation
1908:
1903:
1898:
1893:
1888:
1882:
1880:
1871:
1865:
1864:
1861:
1860:
1858:
1853:
1848:
1843:
1838:
1833:
1831:
1825:
1824:
1822:
1821:
1816:
1811:
1806:
1801:
1796:
1791:
1786:
1781:
1776:
1771:
1766:
1760:
1757:
1756:
1754:
1753:
1748:
1743:
1738:
1736:Lockport Group
1732:
1730:
1721:
1715:
1714:
1712:
1711:
1706:
1701:
1695:
1692:
1691:
1689:
1688:
1683:
1677:
1675:
1669:
1668:
1666:
1665:
1659:
1657:
1648:
1642:
1641:
1639:
1634:
1632:
1623:
1617:
1616:
1613:
1612:
1610:
1609:
1604:
1599:
1594:
1589:
1583:
1580:
1579:
1577:
1576:
1570:
1568:
1562:
1561:
1559:
1554:
1549:
1544:
1542:
1533:
1527:
1526:
1524:
1523:
1518:
1513:
1511:Lucas Dolomite
1508:
1502:
1499:
1498:
1496:
1495:
1490:
1485:
1480:
1475:
1470:
1464:
1462:
1456:
1455:
1453:
1452:
1447:
1442:
1437:
1431:
1426:
1420:
1418:
1409:
1403:
1402:
1400:
1399:
1394:
1389:
1383:
1382:
1380:Java Formation
1377:
1371:
1368:
1367:
1365:
1364:
1358:
1352:
1350:
1344:
1343:
1341:
1340:
1334:
1329:
1323:
1322:
1316:
1315:
1310:
1305:
1299:
1297:
1288:
1279:
1273:
1272:
1269:
1268:
1265:
1264:
1262:
1261:
1256:
1250:
1247:
1246:
1244:
1243:
1238:
1233:
1227:
1225:
1219:
1218:
1216:
1215:
1209:
1207:
1198:
1192:
1191:
1188:
1187:
1185:
1184:
1179:
1173:
1171:
1165:
1164:
1162:
1161:
1156:
1151:
1145:
1143:
1137:
1136:
1134:
1133:
1128:
1123:
1117:
1116:
1111:
1105:
1103:
1094:
1085:
1079:
1078:
1075:
1074:
1072:
1071:
1066:
1061:
1055:
1053:
1044:
1035:
1024:
1016:
1015:
1006:
1004:
1003:
996:
989:
981:
972:
971:
968:
967:
964:
963:
961:
960:
954:
952:
946:
945:
943:
942:
937:
932:
926:
924:
918:
917:
915:
914:
908:
906:
900:
899:
897:
896:
890:
888:
882:
881:
878:
877:
874:
873:
871:
870:
865:
860:
855:
850:
845:
840:
834:
828:
822:
821:
819:
818:
812:
810:
801:
792:
781:
773:
772:
763:
761:
760:
753:
746:
738:
731:
730:
716:
696:
687:
675:
660:
632:(4): 369–372.
612:
583:
560:
523:
514:
503:
501:
498:
497:
496:
491:
486:
481:
476:
469:
466:
465:
464:
454:
453:
448:
443:
437:
428:
415:
414:
410:Dans Rock, on
404:
403:
398:
396:Bilger's Rocks
391:Pennsylvania:
380:
377:
368:
365:
356:
353:
329:
326:
285:
282:
216:
208:
207:
204:
200:
199:
194:
190:
189:
185:
184:
181:
177:
176:
171:
167:
166:
162:
161:
148:
144:
143:
134:
130:
129:
125:
124:
99:
95:
94:
84:
80:
79:
74:
70:
69:
66:
62:
61:
51:
43:
42:
32:
31:
24:
14:
13:
10:
9:
6:
4:
3:
2:
2170:
2159:
2156:
2154:
2151:
2149:
2146:
2144:
2141:
2139:
2138:Cliff-formers
2136:
2134:
2131:
2129:
2126:
2125:
2123:
2104:
2101:
2100:
2092:
2089:
2087:
2085:
2081:
2078:
2076:
2072:
2069:
2067:
2063:
2049:
2046:
2045:
2036:
2033:
2031:
2030:Knox Dolomite
2028:
2026:
2023:
2021:
2018:
2016:
2013:
2012:
2010:
2008:
2004:
2001:
1999:
1995:
1985:
1982:
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1332:Chagrin Shale
1330:
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1318:
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1303:Bedford Shale
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1298:
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1241:Sunbury Shale
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602:on 2006-09-07
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547:on 2007-12-06
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440:Canaan Valley
438:
436:
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429:
427:
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419:
418:
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412:Dans Mountain
409:
408:
407:
402:
399:
397:
394:
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392:
385:
378:
376:
374:
373:Pennsylvanian
366:
364:
362:
354:
352:
349:
345:
341:
339:
335:
327:
325:
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319:
315:
311:
308:, as well as
307:
303:
299:
295:
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283:
281:
279:
275:
271:
270:United States
267:
263:
259:
255:
251:
250:West Virginia
247:
243:
239:
235:
232:
231:Pennsylvanian
223:
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205:
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55:
49:
44:
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40:Pennsylvanian
37:
33:
28:
19:
1804:Osgood Shale
1799:Massie Shale
1779:Estill Shale
1699:Salina Group
1681:Salina Group
1663:Salina Group
1392:Angola Shale
1375:Antrim Shale
1356:Burket Shale
815:
719:
708:. Retrieved
699:
690:
678:
655:
649:. Retrieved
629:
625:
615:
604:. Retrieved
600:the original
595:
586:
575:. Retrieved
555:
549:. Retrieved
545:the original
526:
517:
507:
455:
416:
405:
390:
370:
358:
350:
346:
342:
331:
290:conglomerate
287:
262:ridge-former
242:Pennsylvania
236:is a mapped
233:
228:
221:
188:Type section
141:conglomerate
76:
1337:Huron Shale
1223:Tournaisian
451:Spruce Knob
284:Description
68:sedimentary
2122:Categories
1829:Llandovery
1655:Ludfordian
1566:Lochkovian
1320:Ohio Shale
1141:Kasimovian
1051:Cisuralian
710:2011-04-22
651:2008-04-10
606:2008-03-16
577:2011-04-22
551:2008-03-16
500:References
426:Dolly Sods
406:Maryland:
314:bituminous
310:anthracite
244:, western
2007:Furongian
1295:Famennian
1169:Moscovian
361:Broad Top
334:formation
302:siltstone
298:limestone
294:sandstone
193:Named for
151:limestone
137:sandstone
128:Lithology
90:(OH, PA)
83:Underlies
73:Sub-units
1728:Homerian
1673:Gorstian
1460:Eifelian
1416:Givetian
1348:Frasnian
1101:Gzhelian
512:115-155.
468:See also
433:and the
246:Maryland
240:unit in
203:Named by
165:Location
98:Overlies
1719:Wenlock
1630:Pridoli
1436:(lower)
1363:(upper)
769:Alabama
634:Bibcode
626:Geology
375:period
355:Fossils
318:molasse
264:in the
258:Alabama
238:bedrock
133:Primary
1956:Middle
1646:Ludlow
1540:Emsian
1407:Middle
1205:Viséan
456:Ohio:
256:, and
180:Extent
170:Region
120:, and
1878:Upper
1531:Lower
1286:Upper
338:group
336:or a
306:shale
155:shale
147:Other
1012:Ohio
537:NASA
312:and
304:and
254:Ohio
229:The
159:coal
65:Type
1010:of
767:of
642:doi
367:Age
2124::
2066:pЄ
1032:Pz
1021:Ph
789:Pz
778:Ph
663:^
654:.
640:.
630:23
628:.
624:.
594:.
563:^
554:.
539:,
535:.
424:,
340:.
324:.
300:,
280:.
252:,
248:,
157:,
153:,
139:,
116:,
112:,
108:,
104:,
56:,
38::
2084:Z
2075:♇
1998:Є
1869:O
1621:S
1339:)
1277:D
1196:M
1092:⁋
1083:C
1042:P
1000:e
993:t
986:v
950:Є
922:O
904:S
886:D
826:M
808:⁋
799:C
757:e
750:t
743:v
727:.
713:.
644::
636::
609:.
580:.
20:)
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