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Frasnian

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Kaufmann, B.; Trapp, E.; Mezger, K. (2004). "The numerical age of the Upper Frasnian (Upper Devonian) Kellwasser horizons: A new U-Pb zircon date from Steinbruch Schmidt(Kellerwald, Germany)".
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The Frasnian coincides with the second half of the "charcoal gap" in the fossil record, a time when atmospheric oxygen levels were below 13 percent, the minimum necessary to sustain wildfires.
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Algeo, T. J. (1998). "Terrestrial-marine teleconnections in the Devonian: links between the evolution of land plants, weathering processes, and marine anoxic events".
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and was accepted for the lower stage of the Upper Devonian by the Subcommission on Devonian Stratigraphy in 1981. It is named after the village of
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Period. It lasted from 382.7 million years ago to 372.2 million years ago. It was preceded by the
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Major reef-building was under way during the Frasnian Stage, particularly in western
1758: 1633: 1602: 1399: 1038: 1027:"Decision on the Boundary Stratotype for the Middle/Upper Devonian Series Boundary" 989: 962: 927: 864: 847: 456: 1922: 1858: 1854: 1850: 1727: 1623: 1561: 1456: 1425: 1394: 321: 30: 1883: 1918: 1877: 1696: 1566: 1461: 1430: 886: 843: 755: 658: 312: 1231: 931: 1961: 1914: 1597: 1587: 1556: 1519: 1451: 1420: 1217: 1204: 874: 839: 812: 777: 764: 744: 683: 670: 607: 330: 304: 289: 61: 1888: 1819: 1669: 1592: 993: 869: 808: 713: 438: 1906: 1814: 1683: 1659: 1504: 1299: 1182: 723: 396: 36: 1116:
When the Invasion of Land Failed: The Legacy of the Devonian Extinctions
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Philosophical Transactions of the Royal Society B: Biological Sciences
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Parry, S. F.; Noble, S. R.; Crowley, Q. G.; Wellman, C. H. (2011).
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Klapper, G.; Feist, R.; Becker, R.; House, M. (December 1993).
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peaked, which were contemporary with the Bretonic phase of the
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Klapper, Gilbert; Feist, Raimund; House, Michael (June 1987).
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The Frasnian Stage was proposed in 1879 by French geologist
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North American subdivisions of the Frasnian include
1146: 944: 119: 1024: 1959: 1261: 1147:Coen-Aubert, Marie; Boulvain, Frédéric (2006). 1119:. Columbia University Press. pp. 110–11. 1942: 1247: 533:Subdivision of the Devonian according to the 973: 1014:. International Commission on Stratigraphy. 938: 540:Vertical axis scale: millions of years ago. 107:Paleogeography of the Late Devonian, 380 Ma 1949: 1935: 1254: 1240: 1113:McGhee, George R. Jr. (12 November 2013). 926:(4). London: Geological Society: 863–872. 1042: 1960: 1112: 1106: 880: 530: 1235: 1181:. University of Liège. Archived from 979: 1901: 907: 508: 490: 467: 446: 428: 16:First age of the Late Devonian epoch 1853:= kiloannum (thousands years ago); 13: 1857:= megaannum (millions years ago); 14: 1999: 1861:= gigaannum (billions years ago). 1179:"Frasnian mudmounds from Belgium" 920:Journal of the Geological Society 1905: 1882: 1871: 101: 34: 1044:10.18814/epiiugs/1987/v10i2/004 1171: 1140: 1058: 1018: 1000: 427: 1: 1300:Pleistocene (11.7 ka–2.58 Ma) 900: 1921:. You can help Knowledge by 7: 1263:Geological history of Earth 531: 254: 10: 2004: 1900: 1536:Mississippian (323–359 Ma) 1531:Pennsylvanian (299–323 Ma) 1295:Holocene (present–11.7 ka) 819:Stage and followed by the 29:382.7 ± 1.6 – 372.2 ± 1.6 1848: 1833: 1820:Paleoarchean (3.2–3.6 Ga) 1797: 1757: 1726: 1695: 1682: 1670:Terreneuvian (521–539 Ma) 1642: 1611: 1575: 1544: 1518: 1487: 1474: 1439: 1408: 1382: 1369: 1334: 1308: 1282: 1269: 932:10.1144/0016-76492010-043 793: 751: 714:Palmatolepis triangularis 708:Upper boundary definition 707: 699: 650: 632:Lower boundary definition 631: 623: 613: 603: 598: 590: 578: 568: 563: 555: 550: 117: 112: 100: 26: 21: 1815:Mesoarchean (2.8–3.2 Ga) 1660:Miaolingian (497–509 Ma) 1505:Guadalupian (260–272 Ma) 1357:Paleocene (56.0–66.0 Ma) 1347:Oligocene (23.0–33.9 Ma) 758:, Montagne Noire, France 655:Col du Puech de la Suque 482:Late Devonian extinction 122: 1810:Neoarchean (2.5–2.8 Ga) 1775:Orosirian (1.8–2.05 Ga) 1770:Statherian (1.6–1.8 Ga) 1713:Cryogenian (635–720 Ma) 1603:Llandovery (433–444 Ma) 1510:Cisuralian (272–299 Ma) 1321:Pliocene (2.59–5.33 Ma) 644:Ancyrodella rotundiloba 245:−360 — 235:−365 — 225:−370 — 215:−375 — 205:−380 — 195:−385 — 185:−390 — 175:−395 — 165:−400 — 155:−405 — 145:−410 — 135:−415 — 125:−420 — 1978:Devonian geochronology 1780:Rhyacian (2.05–2.3 Ga) 1749:Calymmian (1.4–1.6 Ga) 1708:Ediacaran (539–635 Ma) 1655:Furongian (485–497 Ma) 1500:Lopingian (252–260 Ma) 1326:Miocene (5.33–23.0 Ma) 1094:Cite journal requires 994:10.1098/rstb.1998.0195 947:The Journal of Geology 838:were taking shape. In 834:. On land, the first 1785:Siderian (2.3–2.5 Ga) 1744:Ectasian (1.2–1.4 Ga) 1665:Series 2 (509–521 Ma) 1352:Eocene (33.9–56.0 Ma) 893:, in the district of 1825:Eoarchean (3.6–4 Ga) 1718:Tonian (720 Ma–1 Ga) 1598:Wenlock (427–433 Ma) 1588:Pridoli (419–423 Ma) 1012:www.stratigraphy.org 711:FAD of the conodont 461:Famennian glaciation 1988:Geochronology stubs 1880: • 1869: • 1867:Geologic time scale 1629:Middle (458–470 Ma) 1593:Ludlow (423–427 Ma) 1562:Middle (383–393 Ma) 1457:Middle (237–247 Ma) 1426:Middle (164–174 Ma) 1214: /  959:2004JG....112..495K 881:Name and definition 794:Upper GSSP ratified 774: /  752:Upper boundary GSSP 700:Lower GSSP ratified 680: /  651:Lower boundary GSSP 624:Time span formality 1878:Geology portal 1739:Stenian (1–1.2 Ga) 1634:Early (470–485 Ma) 1567:Early (393–419 Ma) 1462:Early (247–252 Ma) 1431:Early (174–201 Ma) 1400:Early (100–145 Ma) 1395:Late (66.0–100 Ma) 1218:43.5032°N 3.0868°E 1008:"Chart/Time Scale" 891:Frasnes-lez-Couvin 778:43.4613°N 3.0403°E 684:43.5032°N 3.0868°E 614:Stratigraphic unit 604:Chronological unit 591:Time scale(s) used 502:shrubs & trees 1930: 1929: 1895: 1894: 1793: 1792: 1759:Paleoproterozoic 1678: 1677: 1624:Late (444–458 Ma) 1557:Late (359–383 Ma) 1470: 1469: 1452:Late (201–237 Ma) 1421:Late (145–164 Ma) 1365: 1364: 1286:(present–2.58 Ma) 1274:(present–66.0 Ma) 1153:Geologica Belgica 1126:978-0-231-16057-5 988:(1365): 113–130. 801: 800: 564:Usage information 545: 544: 526: 525: 507: 506: 489: 488: 466: 465: 445: 444: 1995: 1951: 1944: 1937: 1909: 1902: 1889:World portal 1887: 1886: 1876: 1875: 1838: 1802: 1762: 1731: 1728:Mesoproterozoic 1700: 1693: 1692: 1688: 1647: 1616: 1580: 1549: 1523: 1492: 1485: 1484: 1480: 1444: 1413: 1387: 1380: 1379: 1375: 1339: 1313: 1287: 1280: 1279: 1275: 1256: 1249: 1242: 1233: 1232: 1229: 1228: 1226: 1225: 1224: 1219: 1215: 1212: 1211: 1210: 1207: 1194: 1193: 1191: 1190: 1175: 1169: 1168: 1166: 1164: 1144: 1138: 1137: 1135: 1133: 1110: 1104: 1103: 1097: 1092: 1090: 1082: 1080: 1078: 1062: 1056: 1055: 1053: 1051: 1046: 1022: 1016: 1015: 1004: 998: 997: 977: 971: 970: 942: 936: 935: 911: 865:West Falls Group 848:Variscan orogeny 789: 788: 786: 785: 784: 779: 775: 772: 771: 770: 767: 739:Gephuroceratidae 695: 694: 692: 691: 690: 685: 681: 678: 677: 676: 673: 514: 509: 496: 491: 478:Kellwasser event 473: 468: 457:Hangenberg event 452: 447: 434: 429: 342: 333: 324: 315: 282: 262: 251: 246: 241: 236: 231: 226: 221: 216: 211: 206: 201: 196: 191: 186: 181: 176: 171: 166: 161: 156: 151: 146: 141: 136: 131: 126: 120: 105: 96: 33: 19: 18: 2003: 2002: 1998: 1997: 1996: 1994: 1993: 1992: 1983:Devonian Europe 1958: 1957: 1956: 1955: 1898: 1896: 1891: 1881: 1870: 1862: 1844: 1836: 1829: 1800: 1789: 1760: 1753: 1729: 1722: 1698: 1697:Neoproterozoic 1687:(539 Ma–2.5 Ga) 1686: 1685: 1684:Proterozoic Eon 1674: 1645: 1638: 1614: 1607: 1578: 1571: 1547: 1540: 1521: 1514: 1490: 1478: 1477: 1466: 1442: 1435: 1411: 1404: 1385: 1373: 1372: 1361: 1337: 1330: 1311: 1304: 1285: 1273: 1272: 1265: 1260: 1223:43.5032; 3.0868 1222: 1220: 1216: 1213: 1208: 1205: 1203: 1201: 1200: 1198: 1197: 1188: 1186: 1177: 1176: 1172: 1162: 1160: 1145: 1141: 1131: 1129: 1127: 1111: 1107: 1095: 1093: 1084: 1083: 1076: 1074: 1063: 1059: 1049: 1047: 1023: 1019: 1006: 1005: 1001: 978: 974: 943: 939: 912: 908: 903: 883: 783:43.4613; 3.0403 782: 780: 776: 773: 768: 765: 763: 761: 760: 759: 717: 689:43.5032; 3.0868 688: 686: 682: 679: 674: 671: 669: 667: 666: 665: 546: 541: 539: 522: 521: 512: 503: 501: 494: 485: 471: 462: 460: 450: 441: 432: 425: 424: 420: 419: 415: 414: 410: 409: 405: 404: 400: 399: 393: 392: 386: 385: 379: 378: 372: 371: 365: 364: 358: 357: 351: 350: 344: 343: 338: 335: 334: 329: 326: 325: 320: 317: 316: 311: 308: 307: 301: 300: 294: 293: 285: 284: 278: 274: 273: 265: 264: 258: 252: 249: 247: 244: 242: 239: 237: 234: 232: 229: 227: 224: 222: 219: 217: 214: 212: 209: 207: 204: 202: 199: 197: 194: 192: 189: 187: 184: 182: 179: 177: 174: 172: 169: 167: 164: 162: 159: 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1366: 1363: 1362: 1360: 1359: 1354: 1349: 1343: 1341: 1338:(23.0–66.0 Ma) 1332: 1331: 1329: 1328: 1323: 1317: 1315: 1312:(2.58–23.0 Ma) 1306: 1305: 1303: 1302: 1297: 1291: 1289: 1277: 1267: 1266: 1259: 1258: 1251: 1244: 1236: 1196: 1195: 1170: 1139: 1125: 1105: 1096:|journal= 1057: 1017: 999: 972: 967:10.1086/421077 953:(4): 495–501. 937: 905: 904: 902: 899: 897:, in Belgium. 887:Jules Gosselet 882: 879: 878: 877: 872: 867: 844:Antler orogeny 807:is one of two 799: 798: 795: 791: 790: 756:Coumiac quarry 753: 749: 748: 709: 705: 704: 701: 697: 696: 659:Montagne Noire 652: 648: 647: 633: 629: 628: 625: 621: 620: 615: 611: 610: 605: 601: 600: 596: 595: 594:ICS Time Scale 592: 588: 587: 580: 579:Regional usage 576: 575: 570: 569:Celestial body 566: 565: 561: 560: 557: 556:Name formality 553: 552: 548: 547: 543: 542: 528: 527: 524: 523: 519:Hunsrück fauna 517: 515: 505: 504: 499: 497: 487: 486: 476: 474: 464: 463: 455: 453: 443: 442: 437: 435: 426: 422: 421: 417: 416: 412: 411: 407: 406: 402: 401: 395: 394: 388: 387: 381: 380: 374: 373: 367: 366: 360: 359: 353: 352: 346: 345: 337: 336: 328: 327: 319: 318: 310: 309: 303: 302: 296: 295: 287: 286: 276: 275: 267: 266: 256: 255: 253: 248: 243: 238: 233: 228: 223: 218: 213: 208: 203: 198: 193: 188: 183: 178: 173: 168: 163: 158: 153: 148: 143: 138: 133: 128: 123: 118: 115: 114: 110: 109: 106: 98: 97: 90: 85: 80: 75: 70: 65: 60: 55: 50: 45: 40: 35: 24: 23: 15: 9: 6: 4: 3: 2: 2000: 1989: 1986: 1984: 1981: 1979: 1976: 1974: 1973:Late Devonian 1971: 1969: 1966: 1965: 1963: 1952: 1947: 1945: 1940: 1938: 1933: 1932: 1926: 1924: 1920: 1917:article is a 1916: 1915:geochronology 1911: 1908: 1904: 1903: 1899: 1890: 1885: 1879: 1874: 1868: 1865: 1860: 1856: 1852: 1847: 1841: 1839: 1832: 1826: 1823: 1821: 1818: 1816: 1813: 1811: 1808: 1807: 1805: 1803: 1796: 1786: 1783: 1781: 1778: 1776: 1773: 1771: 1768: 1767: 1765: 1763: 1756: 1750: 1747: 1745: 1742: 1740: 1737: 1736: 1734: 1732: 1725: 1719: 1716: 1714: 1711: 1709: 1706: 1705: 1703: 1701: 1699:(539 Ma–1 Ga) 1694: 1691: 1689: 1681: 1671: 1668: 1666: 1663: 1661: 1658: 1656: 1653: 1652: 1650: 1648: 1641: 1635: 1632: 1630: 1627: 1625: 1622: 1621: 1619: 1617: 1610: 1604: 1601: 1599: 1596: 1594: 1591: 1589: 1586: 1585: 1583: 1581: 1574: 1568: 1565: 1563: 1560: 1558: 1555: 1554: 1552: 1550: 1543: 1537: 1534: 1532: 1529: 1528: 1526: 1524: 1517: 1511: 1508: 1506: 1503: 1501: 1498: 1497: 1495: 1493: 1486: 1483: 1481: 1476:Paleozoic Era 1473: 1463: 1460: 1458: 1455: 1453: 1450: 1449: 1447: 1445: 1438: 1432: 1429: 1427: 1424: 1422: 1419: 1418: 1416: 1414: 1407: 1401: 1398: 1396: 1393: 1392: 1390: 1388: 1386:(66.0–145 Ma) 1381: 1378: 1376: 1374:(66.0–252 Ma) 1368: 1358: 1355: 1353: 1350: 1348: 1345: 1344: 1342: 1340: 1333: 1327: 1324: 1322: 1319: 1318: 1316: 1314: 1307: 1301: 1298: 1296: 1293: 1292: 1290: 1288: 1281: 1278: 1276: 1268: 1264: 1257: 1252: 1250: 1245: 1243: 1238: 1237: 1234: 1230: 1227: 1185:on 2011-07-06 1184: 1180: 1174: 1158: 1154: 1150: 1143: 1128: 1122: 1118: 1117: 1109: 1101: 1088: 1072: 1068: 1061: 1045: 1040: 1037:(2): 97–101. 1036: 1032: 1028: 1021: 1013: 1009: 1003: 995: 991: 987: 983: 976: 968: 964: 960: 956: 952: 948: 941: 933: 929: 925: 921: 917: 910: 906: 898: 896: 892: 888: 876: 875:Genesee Group 873: 871: 868: 866: 863: 862: 861: 858: 855: 853: 849: 845: 841: 840:North America 837: 833: 829: 824: 822: 818: 814: 813:Late Devonian 810: 809:faunal stages 806: 796: 792: 787: 757: 754: 750: 747: 746: 745:Beloceratidae 741: 740: 736: 732: 731: 726: 725: 721: 716: 715: 710: 706: 702: 698: 693: 664: 660: 656: 653: 649: 646: 645: 641: 637: 634: 630: 626: 622: 619: 616: 612: 609: 606: 602: 597: 593: 589: 585: 581: 577: 574: 571: 567: 562: 558: 554: 549: 538: 537:, as of 2021. 536: 529: 520: 516: 511: 510: 498: 493: 492: 483: 479: 475: 470: 469: 458: 454: 449: 448: 440: 436: 431: 430: 398: 391: 384: 377: 370: 363: 356: 349: 341: 332: 323: 314: 306: 299: 292: 291: 283: 281: 272: 271: 263: 261: 121: 116: 111: 104: 99: 93: 88: 83: 78: 73: 68: 63: 58: 53: 48: 43: 38: 32: 25: 20: 1923:expanding it 1912: 1897: 1863: 1799:Archean Eon 1761:(1.6–2.5 Ga) 1646:(485–539 Ma) 1615:(444–485 Ma) 1579:(419–444 Ma) 1548:(359–419 Ma) 1522:(299–359 Ma) 1491:(252–299 Ma) 1479:(252–539 Ma) 1443:(201–252 Ma) 1412:(145–201 Ma) 1371:Mesozoic Era 1271:Cenozoic Era 1199: 1187:. 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Retrieved 1034: 1030: 1020: 1011: 1002: 985: 981: 975: 950: 946: 940: 923: 919: 909: 884: 870:Sonyea Group 859: 856: 825: 804: 802: 743: 737: 728: 722: 712: 642: 532: 439:Rhynie chert 382: 288: 277: 268: 257: 1835:Hadean Eon 1613:Ordovician 1384:Cretaceous 1284:Quaternary 1221: / 1077:19 December 1050:19 December 781: / 724:Ancyrodella 718:LAD of the 687: / 1962:Categories 1837:(4–4.6 Ga) 1801:(2.5–4 Ga) 1730:(1–1.6 Ga) 1336:Paleogene 1206:43°30′12″N 1189:2011-02-25 1149:"Frasnian" 901:References 766:43°27′41″N 735:goniatites 730:Ozarkodina 672:43°30′12″N 599:Definition 500:Widespread 348:Lochkovian 113:Chronology 1864:See also: 1644:Cambrian 1577:Silurian 1546:Devonian 1441:Triassic 1410:Jurassic 1209:3°05′12″E 832:Australia 821:Famennian 769:3°02′25″E 720:conodonts 675:3°05′12″E 551:Etymology 390:Famennian 260:Paleozoic 1968:Frasnian 1489:Permian 1310:Neogene 1163:10 March 1132:21 April 1031:Episodes 817:Givetian 805:Frasnian 733:and the 640:conodont 582:Global ( 397:Tournai. 383:Frasnian 376:Givetian 369:Eifelian 280:Devonian 22:Frasnian 955:Bibcode 836:forests 823:Stage. 811:in the 638:of the 513:← 495:← 472:← 451:← 433:← 355:Pragian 305:Přídolí 250:– 240:– 230:– 220:– 210:– 200:– 190:– 180:– 170:– 160:– 150:– 140:– 130:– 1843:  1123:  895:Couvin 852:Europe 842:, the 828:Canada 663:France 627:Formal 559:Formal 423:  418:  413:  408:  403:  362:Emsian 1913:This 618:Stage 573:Earth 313:Early 1919:stub 1165:2013 1134:2015 1121:ISBN 1100:help 1079:2020 1052:2020 830:and 803:The 797:1993 742:and 727:and 703:1986 331:Late 37:PreꞒ 1039:doi 990:doi 986:353 963:doi 951:112 928:doi 924:168 850:in 636:FAD 608:Age 584:ICS 535:ICS 322:Mid 1964:: 1859:Ga 1855:Ma 1851:ka 1155:. 1151:. 1091:: 1089:}} 1085:{{ 1071:16 1069:. 1035:10 1033:. 1029:. 1010:. 984:. 961:. 949:. 922:. 918:. 854:. 661:, 657:, 340:EM 87:Pg 31:Ma 1950:e 1943:t 1936:v 1925:. 1255:e 1248:t 1241:v 1192:. 1167:. 1157:9 1136:. 1102:) 1098:( 1081:. 1054:. 1041:: 996:. 992:: 969:. 965:: 957:: 934:. 930:: 586:) 484:) 480:( 459:, 298:M 290:C 270:S 92:N 82:K 77:J 72:T 67:P 62:C 57:D 52:S 47:O 42:Ꞓ

Index

Ma
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Paleozoic
S
Devonian
C
M
Přídolí
Early
Mid
Late
EM
Lochkovian
Pragian
Emsian
Eifelian
Givetian
Frasnian

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