37:
229:
1706:
489:
204:
The Pocono is also a lateral equivalent of the
Purslane Sandstone in Maryland and West Virginia. D. Brezinski of Maryland Geological Survey recommended abandoning use of the term Pocono in Maryland in favor of "Purslane" in 1989.
513:
1503:
1072:
1034:
1355:
642:
520:
271:
83:
1844:
1455:
1295:
1267:
1849:
1430:
691:
1526:
1470:
1385:
743:
711:
706:
609:
1750:
1531:
637:
627:
1390:
758:
476:
Berg, T.M., Edmunds, W.E., Geyer, A.R. and others, compilers, (1980). Geologic Map of
Pennsylvania: Pennsylvania Geologic Survey, Map 1, scale 1:250,000.
1839:
1794:
1623:
1485:
1480:
1445:
1380:
1107:
738:
728:
594:
1593:
1536:
1400:
1375:
1365:
901:
868:
599:
604:
1854:
655:
632:
403:
1804:
1784:
589:
1774:
243:
1769:
448:
1819:
1779:
1743:
506:
438:
Brezinski, D.K., 1989, The
Mississippian System in Maryland: Maryland Geological Survey Report of Investigations, no. 52, 75 p.
1809:
1799:
1736:
493:
360:
1789:
1829:
1814:
380:
270:
Relative age dating of the Pocono places it in the lower
Mississippian period. The lower boundary is with the
195:
411:
1824:
275:
247:
75:
581:
415:
376:
1716:
42:
182:
in
Maryland and West Virginia, and the upper part of the Pocono Formation is sometimes called the
1578:
748:
572:
291:
1834:
1541:
1410:
222:
109:
1583:
1415:
456:
124:
61:
36:
1628:
1546:
1521:
1450:
1172:
1144:
932:
733:
1724:
427:
The major ridge makers are the
Tuscarora (T), Pocono (Po), and Pottsville (Pt) Formations.
8:
1677:
1573:
1370:
1345:
1300:
1277:
1272:
1117:
891:
858:
848:
686:
681:
665:
1633:
1568:
1460:
1420:
1360:
1196:
1154:
1067:
1062:
1029:
1024:
1001:
955:
886:
853:
843:
776:
753:
529:
279:
79:
71:
253:
A spectacular exposure of the
Purslane Sandstone (equivalent to the Pocono) is at the
1618:
1603:
1598:
1588:
1495:
1475:
1465:
1425:
1395:
1340:
1182:
356:
160:
28:
1513:
1440:
1435:
1405:
1327:
1250:
1236:
1213:
1177:
1149:
1112:
1057:
1052:
960:
701:
1350:
1218:
965:
915:
781:
498:
315:
Paleozoic
Sedimentary Successions of the Virginia Valley & Ridge and Plateau
1720:
1669:
1613:
1608:
1335:
1006:
984:
970:
937:
896:
863:
826:
696:
326:
1763:
1099:
786:
563:
296:
258:
254:
199:
175:
98:
24:
1713:
1228:
1127:
674:
191:
167:
134:
1660:
1651:
768:
541:
278:. In South-central Pennsylvania, the Pocono often interfingers with the
228:
1318:
1136:
1044:
619:
218:
404:"Geomorphology : Chapter 2 Plate T-12 : Folded Appalachians"
1259:
835:
552:
214:
720:
355:. Missoula, Montana: Mountain Press Publishing Company. p. 83.
314:
1560:
1287:
1205:
1164:
1090:
947:
924:
878:
817:
533:
171:
138:
414:(GES), Data and Information Services Center (DISC). Archived from
1016:
993:
488:
1705:
242:
The type section of the
Burgoon Sandstone is in the valley of
407:
528:
1761:
221:. The base of the Pocono Formation is marked by
178:, in the United States. It is also known as the
1845:Carboniferous southern paleotemperate deposits
1850:Carboniferous southern paleotropical deposits
1744:
514:
213:The Pocono is a dominantly gray color with
1751:
1737:
521:
507:
35:
1840:Devonian southern paleotemperate deposits
1795:Sandstone formations of the United States
350:
227:
441:
401:
190:in Pennsylvania. The Pocono is a major
1855:United States geologic formation stubs
1762:
1805:Carboniferous geology of Pennsylvania
1785:Carboniferous System of North America
502:
1775:Geologic formations of West Virginia
1700:
236:
1770:Geologic formations of Pennsylvania
455:. Lehigh University. Archived from
395:
13:
14:
1866:
482:
1820:Devonian geology of Pennsylvania
1704:
487:
353:Roadside Geology of Pennsylvania
1780:Geologic formations of Maryland
381:United States Geological Survey
351:Van Diver, Bradford B. (1990).
1712:This article about a specific
470:
432:
369:
344:
319:
308:
208:
1:
402:Kempler, Steve (2007-01-19).
302:
196:Ridge-and-Valley Appalachians
1723:. You can help Knowledge by
449:"Geology : Pocono (Mp)"
166:is a mapped bedrock unit in
7:
1810:Carboniferous West Virginia
1800:Mississippian United States
327:"Geologic Maps of Maryland"
285:
10:
1871:
1719:in the United States is a
1699:
1504:Pinesburg Station Dolomite
276:Huntley Mountain Formation
248:Blair County, Pennsylvania
246:, above Kittanning Point,
76:Huntley Mountain Formation
1668:
1659:
1650:
1559:
1512:
1494:
1326:
1317:
1286:
1258:
1249:
1227:
1204:
1195:
1163:
1135:
1126:
1098:
1089:
1043:
1015:
992:
983:
946:
923:
914:
877:
834:
825:
816:
795:
767:
719:
673:
664:
618:
580:
571:
562:
551:
540:
217:medium to coarse-grained
149:
144:
130:
120:
115:
105:
94:
89:
67:
57:
49:
34:
23:
18:
1073:Wildcat Valley Sandstone
1035:Wildcat Valley Sandstone
43:Ricketts Glen State Park
1790:Conglomerate formations
1579:Conococheague Limestone
749:Little Valley Formation
292:Geology of Pennsylvania
1830:Devonian West Virginia
1815:Carboniferous Maryland
1542:Rockdale Run Formation
1411:Lincolnshire Formation
1356:Chatham Hill Formation
643:Warren Point Formation
412:Goddard Earth Sciences
272:Spetchy Kopf Formation
265:
233:
84:Spechty Kopf Formation
1584:Copper Ridge Dolomite
1456:Rich Valley Formation
1416:Martinsburg Formation
1296:Massanutten Sandstone
1268:Massanutten Sandstone
496:at Wikimedia Commons
453:LEO EnviroSci Inquiry
232:Sideling Hill roadcut
231:
125:Appalachian Mountains
62:Mauch Chunk Formation
1629:Waynesboro Formation
1547:Stonehenge Limestone
1522:Chepultepec Dolomite
1451:Reedsville Formation
1431:New Market Limestone
1173:Bloomsburg Formation
1145:Bloomsburg Formation
933:Mahantango Formation
734:Fort Payne Formation
692:Cove Creek Formation
1678:Swift Run Formation
1574:Conasauga Formation
1527:Kingsport Formation
1471:Ward Cove Limestone
1386:Five Oaks Limestone
1371:Eggleston Formation
1346:Blackford Formation
1301:Tuscarora Sandstone
1278:Tuscarora Sandstone
1273:Rose Hill Formation
1118:Tonoloway Limestone
892:Foreknobs Formation
859:Hampshire Formation
849:Foreknobs Formation
744:Hillsdale Formation
712:Stony Gap Formation
707:Princeton Formation
687:Bluestone Formation
682:Bluefield Formation
610:Pikeville Formation
377:"Burgoon Sandstone"
25:Stratigraphic range
1634:Weverton Formation
1569:Antietam Formation
1532:Longview Limestone
1461:Rockdell Formation
1421:Moccasin Formation
1361:Edinburg Formation
1155:McKenzie Formation
1068:Ridgeley Sandstone
1063:Oriskany Sandstone
1030:Ridgeley Sandstone
1025:Oriskany Sandstone
1002:Huntersville Chert
956:Huntersville Chert
887:Brallier Formation
854:Cloyd Conglomerate
844:Brallier Formation
777:Maccrady Formation
754:Maccrady Formation
638:Sewannee Formation
628:Bee Rock Formation
530:Chronostratigraphy
280:Rockwell Formation
234:
80:Rockwell Formation
72:Catskill Formation
1825:Devonian Maryland
1732:
1731:
1694:
1693:
1690:
1689:
1686:
1685:
1646:
1645:
1642:
1641:
1619:Tomstown Dolomite
1604:Harpers Formation
1599:Hampton Formation
1589:Elbrook Formation
1555:
1554:
1476:Wardell Formation
1466:Trenton Limestone
1426:Mosheim Limestone
1396:Juniata Formation
1391:Gratton Formation
1341:Benbolt Formation
1313:
1312:
1309:
1308:
1245:
1244:
1191:
1190:
1183:Lockport Dolomite
1085:
1084:
1081:
1080:
979:
978:
910:
909:
812:
811:
808:
807:
759:Taggard Formation
651:
650:
492:Media related to
257:road cut through
237:Notable exposures
188:Burgoon Sandstone
184:Burgoon Formation
157:
156:
1862:
1753:
1746:
1739:
1708:
1701:
1666:
1665:
1657:
1656:
1624:Unicoi Formation
1486:Witten Formation
1481:Wassum Formation
1446:Paperville Shale
1441:Oswego Formation
1436:Oranda Formation
1406:Lenoir Formation
1381:Fetzer Limestone
1324:
1323:
1256:
1255:
1237:Keefer Sandstone
1214:Keefer Sandstone
1202:
1201:
1178:Keefer Sandstone
1150:Keefer Sandstone
1133:
1132:
1113:Keyser Limestone
1108:Hancock Dolomite
1096:
1095:
1058:Keyser Limestone
1053:Helderberg Group
990:
989:
961:Tioga Bentonites
921:
920:
832:
831:
823:
822:
800:Pocono Formation
739:Gasper Formation
729:Denmar Formation
702:Hinton Formation
671:
670:
595:Grundy Formation
578:
577:
569:
568:
560:
559:
555:
549:
548:
544:
523:
516:
509:
500:
499:
494:Pocono Formation
491:
477:
474:
468:
467:
465:
464:
445:
439:
436:
430:
429:
424:
423:
399:
393:
392:
390:
388:
373:
367:
366:
348:
342:
341:
339:
337:
323:
317:
312:
164:Pocono Formation
39:
19:Pocono Formation
16:
15:
1870:
1869:
1865:
1864:
1863:
1861:
1860:
1859:
1760:
1759:
1758:
1757:
1697:
1695:
1682:
1638:
1594:Erwin Formation
1551:
1537:Mascot Dolomite
1508:
1490:
1401:Knobs Formation
1376:Elway Limestone
1366:Effna Limestone
1351:Bowen Formation
1305:
1282:
1241:
1223:
1219:Rochester Shale
1187:
1159:
1122:
1077:
1039:
1011:
975:
966:Marcellus Shale
942:
906:
902:Pound Formation
873:
869:Pound Formation
804:
791:
782:Price Formation
763:
715:
660:
647:
614:
600:Hyden Formation
553:
542:
536:
527:
485:
480:
475:
471:
462:
460:
447:
446:
442:
437:
433:
421:
419:
400:
396:
386:
384:
375:
374:
370:
363:
349:
345:
335:
333:
325:
324:
320:
313:
309:
305:
288:
268:
239:
211:
198:of the eastern
45:
12:
11:
5:
1868:
1858:
1857:
1852:
1847:
1842:
1837:
1832:
1827:
1822:
1817:
1812:
1807:
1802:
1797:
1792:
1787:
1782:
1777:
1772:
1756:
1755:
1748:
1741:
1733:
1730:
1729:
1709:
1692:
1691:
1688:
1687:
1684:
1683:
1681:
1680:
1674:
1672:
1663:
1654:
1648:
1647:
1644:
1643:
1640:
1639:
1637:
1636:
1631:
1626:
1621:
1616:
1614:Shady Dolomite
1611:
1609:Rome Formation
1606:
1601:
1596:
1591:
1586:
1581:
1576:
1571:
1565:
1563:
1557:
1556:
1553:
1552:
1550:
1549:
1544:
1539:
1534:
1529:
1524:
1518:
1516:
1510:
1509:
1507:
1506:
1500:
1498:
1492:
1491:
1489:
1488:
1483:
1478:
1473:
1468:
1463:
1458:
1453:
1448:
1443:
1438:
1433:
1428:
1423:
1418:
1413:
1408:
1403:
1398:
1393:
1388:
1383:
1378:
1373:
1368:
1363:
1358:
1353:
1348:
1343:
1338:
1336:Bays Formation
1332:
1330:
1321:
1315:
1314:
1311:
1310:
1307:
1306:
1304:
1303:
1298:
1292:
1290:
1284:
1283:
1281:
1280:
1275:
1270:
1264:
1262:
1253:
1247:
1246:
1243:
1242:
1240:
1239:
1233:
1231:
1225:
1224:
1222:
1221:
1216:
1210:
1208:
1199:
1193:
1192:
1189:
1188:
1186:
1185:
1180:
1175:
1169:
1167:
1161:
1160:
1158:
1157:
1152:
1147:
1141:
1139:
1130:
1124:
1123:
1121:
1120:
1115:
1110:
1104:
1102:
1093:
1087:
1086:
1083:
1082:
1079:
1078:
1076:
1075:
1070:
1065:
1060:
1055:
1049:
1047:
1041:
1040:
1038:
1037:
1032:
1027:
1021:
1019:
1013:
1012:
1010:
1009:
1007:Needmore Shale
1004:
998:
996:
987:
981:
980:
977:
976:
974:
973:
971:Millboro Shale
968:
963:
958:
952:
950:
944:
943:
941:
940:
938:Millboro Shale
935:
929:
927:
918:
912:
911:
908:
907:
905:
904:
899:
897:Millboro Shale
894:
889:
883:
881:
875:
874:
872:
871:
866:
864:Millboro Shale
861:
856:
851:
846:
840:
838:
829:
820:
814:
813:
810:
809:
806:
805:
803:
802:
796:
793:
792:
790:
789:
784:
779:
773:
771:
765:
764:
762:
761:
756:
751:
746:
741:
736:
731:
725:
723:
717:
716:
714:
709:
704:
699:
697:Fido Sandstone
694:
689:
684:
679:
677:
668:
662:
661:
659:
658:
652:
649:
648:
646:
645:
640:
635:
630:
624:
622:
616:
615:
613:
612:
607:
605:Kendrick Shale
602:
597:
592:
586:
584:
575:
566:
557:
546:
538:
537:
526:
525:
518:
511:
503:
484:
483:External links
481:
479:
478:
469:
440:
431:
394:
383:. May 22, 2009
368:
361:
343:
331:www.mgs.md.gov
318:
306:
304:
301:
300:
299:
294:
287:
284:
267:
264:
263:
262:
251:
238:
235:
210:
207:
155:
154:
151:
147:
146:
142:
141:
132:
128:
127:
122:
118:
117:
113:
112:
107:
103:
102:
96:
92:
91:
87:
86:
69:
65:
64:
59:
55:
54:
51:
47:
46:
40:
32:
31:
21:
20:
9:
6:
4:
3:
2:
1867:
1856:
1853:
1851:
1848:
1846:
1843:
1841:
1838:
1836:
1835:Cliff-formers
1833:
1831:
1828:
1826:
1823:
1821:
1818:
1816:
1813:
1811:
1808:
1806:
1803:
1801:
1798:
1796:
1793:
1791:
1788:
1786:
1783:
1781:
1778:
1776:
1773:
1771:
1768:
1767:
1765:
1754:
1749:
1747:
1742:
1740:
1735:
1734:
1728:
1726:
1722:
1718:
1715:
1714:stratigraphic
1710:
1707:
1703:
1702:
1698:
1679:
1676:
1675:
1673:
1671:
1667:
1664:
1662:
1658:
1655:
1653:
1649:
1635:
1632:
1630:
1627:
1625:
1622:
1620:
1617:
1615:
1612:
1610:
1607:
1605:
1602:
1600:
1597:
1595:
1592:
1590:
1587:
1585:
1582:
1580:
1577:
1575:
1572:
1570:
1567:
1566:
1564:
1562:
1558:
1548:
1545:
1543:
1540:
1538:
1535:
1533:
1530:
1528:
1525:
1523:
1520:
1519:
1517:
1515:
1511:
1505:
1502:
1501:
1499:
1497:
1493:
1487:
1484:
1482:
1479:
1477:
1474:
1472:
1469:
1467:
1464:
1462:
1459:
1457:
1454:
1452:
1449:
1447:
1444:
1442:
1439:
1437:
1434:
1432:
1429:
1427:
1424:
1422:
1419:
1417:
1414:
1412:
1409:
1407:
1404:
1402:
1399:
1397:
1394:
1392:
1389:
1387:
1384:
1382:
1379:
1377:
1374:
1372:
1369:
1367:
1364:
1362:
1359:
1357:
1354:
1352:
1349:
1347:
1344:
1342:
1339:
1337:
1334:
1333:
1331:
1329:
1325:
1322:
1320:
1316:
1302:
1299:
1297:
1294:
1293:
1291:
1289:
1285:
1279:
1276:
1274:
1271:
1269:
1266:
1265:
1263:
1261:
1257:
1254:
1252:
1248:
1238:
1235:
1234:
1232:
1230:
1226:
1220:
1217:
1215:
1212:
1211:
1209:
1207:
1203:
1200:
1198:
1194:
1184:
1181:
1179:
1176:
1174:
1171:
1170:
1168:
1166:
1162:
1156:
1153:
1151:
1148:
1146:
1143:
1142:
1140:
1138:
1134:
1131:
1129:
1125:
1119:
1116:
1114:
1111:
1109:
1106:
1105:
1103:
1101:
1097:
1094:
1092:
1088:
1074:
1071:
1069:
1066:
1064:
1061:
1059:
1056:
1054:
1051:
1050:
1048:
1046:
1042:
1036:
1033:
1031:
1028:
1026:
1023:
1022:
1020:
1018:
1014:
1008:
1005:
1003:
1000:
999:
997:
995:
991:
988:
986:
982:
972:
969:
967:
964:
962:
959:
957:
954:
953:
951:
949:
945:
939:
936:
934:
931:
930:
928:
926:
922:
919:
917:
913:
903:
900:
898:
895:
893:
890:
888:
885:
884:
882:
880:
876:
870:
867:
865:
862:
860:
857:
855:
852:
850:
847:
845:
842:
841:
839:
837:
833:
830:
828:
824:
821:
819:
815:
801:
798:
797:
794:
788:
787:Sunbury Shale
785:
783:
780:
778:
775:
774:
772:
770:
766:
760:
757:
755:
752:
750:
747:
745:
742:
740:
737:
735:
732:
730:
727:
726:
724:
722:
718:
713:
710:
708:
705:
703:
700:
698:
695:
693:
690:
688:
685:
683:
680:
678:
676:
672:
669:
667:
663:
657:
656:Lee Formation
654:
653:
644:
641:
639:
636:
634:
633:Hensley Shale
631:
629:
626:
625:
623:
621:
617:
611:
608:
606:
603:
601:
598:
596:
593:
591:
588:
587:
585:
583:
579:
576:
574:
570:
567:
565:
561:
558:
556:
550:
547:
545:
539:
535:
531:
524:
519:
517:
512:
510:
505:
504:
501:
497:
495:
490:
473:
459:on 2007-07-12
458:
454:
450:
444:
435:
428:
418:on 2007-12-06
417:
413:
409:
405:
398:
382:
378:
372:
364:
362:0-87842-227-7
358:
354:
347:
332:
328:
322:
316:
311:
307:
298:
297:Canaan Valley
295:
293:
290:
289:
283:
281:
277:
273:
260:
259:Sideling Hill
256:
252:
249:
245:
241:
240:
230:
226:
224:
220:
216:
206:
202:
201:
200:United States
197:
193:
189:
185:
181:
177:
176:West Virginia
173:
169:
165:
162:
161:Mississippian
152:
148:
143:
140:
136:
133:
129:
126:
123:
119:
114:
111:
108:
104:
100:
99:Quartzarenite
97:
93:
88:
85:
81:
77:
73:
70:
66:
63:
60:
56:
52:
48:
44:
38:
33:
30:
29:Mississippian
26:
22:
17:
1725:expanding it
1711:
1696:
1229:Sheinwoodian
799:
675:Serpukhovian
590:Betsie Shale
486:
472:
461:. Retrieved
457:the original
452:
443:
434:
426:
420:. Retrieved
416:the original
397:
385:. Retrieved
371:
352:
346:
334:. Retrieved
330:
321:
310:
269:
261:in Maryland.
223:conglomerate
212:
203:
192:ridge-former
187:
183:
180:Pocono Group
179:
168:Pennsylvania
163:
158:
153:Lesley, 1876
145:Type section
135:Pennsylvania
110:Conglomerate
769:Tournaisian
336:January 31,
244:Burgoon Run
209:Description
101:(sandstone)
53:sedimentary
41:Outcrop at
1764:Categories
1251:Llandovery
1137:Ludfordian
1045:Lochkovian
620:Bashkirian
463:2008-03-16
422:2008-03-16
303:References
219:sandstones
215:quartzitic
1717:formation
1260:Telychian
836:Famennian
582:Moscovian
90:Lithology
58:Underlies
1288:Aeronian
1206:Homerian
1165:Gorstian
948:Eifelian
925:Givetian
879:Frasnian
534:Virginia
286:See also
172:Maryland
150:Named by
139:Virginia
116:Location
68:Overlies
27:: Early
1197:Wenlock
1100:Pridoli
1017:Pragian
387:June 8,
194:In the
95:Primary
1496:Middle
1128:Ludlow
994:Emsian
916:Middle
721:Viséan
359:
174:, and
131:Extent
121:Region
82:, and
1514:Lower
1328:Upper
985:Lower
827:Upper
106:Other
1721:stub
408:NASA
389:2009
357:ISBN
338:2024
274:and
255:I-68
159:The
137:and
50:Type
532:of
266:Age
186:or
1766::
1652:pЄ
554:Pz
543:Ph
451:.
425:.
410:,
406:.
379:.
329:.
282:.
225:.
170:,
78:,
74:,
1752:e
1745:t
1738:v
1727:.
1670:Z
1661:♇
1561:Є
1319:O
1091:S
818:D
666:M
573:⁋
564:C
522:e
515:t
508:v
466:.
391:.
365:.
340:.
250:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
