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Katian

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Korochantseva, Ekaterina; Trieloff, Mario; Lorenz, Cyrill; Buykin, Alexey; Ivanova, Marina; Schwarz, Winfried; Hopp, Jens; Jessberger, Elmar (2007). "L-chondrite asteroid breakup tied to Ordovician meteorite shower by multiple isochron 40 Ar- 39 Ar dating".
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It has been suggested that the Middle Ordovician meteorite bombardment played a crucial role in the Great Ordovician Biodiversification Event, but this study shows that the two phenomena were unrelated
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Chen, Xu; Rong, Jiayu; Fan, Junxuan; Zhan, Renbin; Mitchell, Charles; Harper, David; Melchin, Michael; Peng, Ping'an; Finney, Stan; Wang, Xiaofeng (September 2006).
1132:"The Global Stratotype Section and Point (GSSP) for the base of the Katian Stage of the Upper Ordovician Series at Black Knob Ridge, Southeastern Oklahoma, USA" 1010:"The Global Stratotype Section and Point (GSSP) for the base of the Katian Stage of the Upper Ordovician Series at Black Knob Ridge, Southeastern Oklahoma, USA" 1211: 1103:
Bergström, Stig; Finney, Stanley; Xu, Chen; Goldman, Daniel; Leslie, Stephen (31 August 2006). "Three new Ordovician global stage names".
781: 1050:"The Global Boundary Stratotype Section and Point (GSSP) for the base of the Hirnantian Stage (the uppermost of the Ordovician System)" 1942: 1204: 554: 504: 1171: 1859: 1197: 1971: 764:
Stage. The Katian began 453 million years ago and lasted for about 7.8 million years until the beginning of the
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Goldman, Daniel; Leslie, Stephen; Nõlvak, Jaak; Young, Seth; Bergström, Stig; Huff, Warren (December 2007).
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Goldman, Daniel; Stephen A. Leslie; Jaak Nõlvak; Seth Young; Stig M. Bergström; Warren D. Huff (2007).
769: 1976: 1966: 1928: 1493: 1488: 487: 813: 812:, the latter containing the lower boundary of the Katian. The lower boundary is defined as the 785: 606: 932:"Refined Ordovician timescale reveals no link between asteroid breakup and biodiversification" 930:
Lindskog, A.; Costa, M. M.; Rasmussen, C.M.Ø.; Connelly, J. N.; Eriksson, M. E. (2017-01-24).
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445.2 million years ago. During the Katian the climate cooled which started the
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The GSSP of the Katian Stage is the Black Knob Ridge Section in southeastern
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It is an outcrop of the 1954: 500: 1193: 1892: 475: 449: 104:Paleogeography of the Katian, 450 Ma 1811:= kiloannum (thousands years ago); 897:Meteoritics & Planetary Science 13: 1815:= megaannum (millions years ago); 917:10.1111/j.1945-5100.2007.tb00221.x 14: 1988: 1819:= gigaannum (billions years ago). 1896: 1840: 1829: 843:Wellman, C.H.; Gray, J. (2000). 780:The name Katian is derived from 98: 31: 1174:. Geologic Timescale Foundation 1151:10.18814/epiiugs/2007/v30i4/002 1084:. Geologic Timescale Foundation 1067:10.18814/epiiugs/2006/v29i3/004 1027:10.18814/epiiugs/2007/v30i4/002 1041: 1001: 983: 923: 887: 836: 682:Normalograptus extraordinarius 448: 1: 1258:Pleistocene (11.7 ka–2.58 Ma) 829: 1915:. You can help Knowledge by 1904:This article related to the 1082:"GSSP Table - Paleozoic Era" 7: 1221:Geological history of Earth 823:Diplacanthograptus caudatus 752:is the second stage of the 615:Diplacanthograptus caudatus 501: 211: 10: 1993: 1891: 1494:Mississippian (323–359 Ma) 1489:Pennsylvanian (299–323 Ma) 1253:Holocene (present–11.7 ka) 770:Late Ordovician glaciation 625:Black Knob Ridge section, 26:453.0 ± 0.7 – 445.2 ± 1.4 1806: 1791: 1778:Paleoarchean (3.2–3.6 Ga) 1755: 1715: 1684: 1653: 1640: 1628:Terreneuvian (521–539 Ma) 1600: 1569: 1533: 1502: 1476: 1445: 1432: 1397: 1366: 1340: 1327: 1292: 1266: 1240: 1227: 1117:10.1080/00241160600847439 775: 738: 688: 676:Upper boundary definition 675: 667: 621: 603:Lower boundary definition 602: 594: 584: 574: 569: 561: 549: 539: 534: 526: 521: 114: 109: 97: 23: 18: 1972:Ordovician geochronology 1773:Mesoarchean (2.8–3.2 Ga) 1618:Miaolingian (497–509 Ma) 1463:Guadalupian (260–272 Ma) 1315:Paleocene (56.0–66.0 Ma) 1305:Oligocene (23.0–33.9 Ma) 756:. It is preceded by the 119: 1768:Neoarchean (2.5–2.8 Ga) 1733:Orosirian (1.8–2.05 Ga) 1728:Statherian (1.6–1.8 Ga) 1671:Cryogenian (635–720 Ma) 1561:Llandovery (433–444 Ma) 1468:Cisuralian (272–299 Ma) 1279:Pliocene (2.59–5.33 Ma) 1172:"GSSP for Katian Stage" 909:2007M&PS...42..113K 795: 488:Ordovician meteor event 202:−445 — 192:−450 — 182:−455 — 172:−460 — 162:−465 — 152:−470 — 142:−475 — 132:−480 — 122:−485 — 1738:Rhyacian (2.05–2.3 Ga) 1707:Calymmian (1.4–1.6 Ga) 1666:Ediacaran (539–635 Ma) 1613:Furongian (485–497 Ma) 1458:Lopingian (252–260 Ma) 1284:Miocene (5.33–23.0 Ma) 863:10.1098/rstb.2000.0612 850:Phil. Trans. R. Soc. B 814:first appearance datum 1743:Siderian (2.3–2.5 Ga) 1702:Ectasian (1.2–1.4 Ga) 1623:Series 2 (509–521 Ma) 1310:Eocene (33.9–56.0 Ma) 936:Nature Communications 760:and succeeded by the 679:FAD of the graptolite 1783:Eoarchean (3.6–4 Ga) 1676:Tonian (720 Ma–1 Ga) 1556:Wenlock (427–433 Ma) 1546:Pridoli (419–423 Ma) 995:www.stratigraphy.org 723:30.9841°N 111.4197°E 692:Wangjiawan section, 1875:34.4305°N 96.0746°W 1871: /  1838: • 1827: • 1825:Geologic time scale 1587:Middle (458–470 Ma) 1551:Ludlow (423–427 Ma) 1520:Middle (383–393 Ma) 1415:Middle (237–247 Ma) 1384:Middle (164–174 Ma) 948:10.1038/ncomms14066 739:Upper GSSP ratified 719: /  689:Upper boundary GSSP 668:Lower GSSP ratified 652:34.4305°N 96.0746°W 648: /  622:Lower boundary GSSP 595:Time span formality 1836:Geology portal 1697:Stenian (1–1.2 Ga) 1592:Early (470–485 Ma) 1525:Early (393–419 Ma) 1420:Early (247–252 Ma) 1389:Early (174–201 Ma) 1358:Early (100–145 Ma) 1353:Late (66.0–100 Ma) 991:"Chart/Time Scale" 792:, United States). 585:Stratigraphic unit 575:Chronological unit 562:Time scale(s) used 1924: 1923: 1880:34.4305; -96.0746 1853: 1852: 1751: 1750: 1717:Paleoproterozoic 1636: 1635: 1582:Late (444–458 Ma) 1515:Late (359–383 Ma) 1428: 1427: 1410:Late (201–237 Ma) 1379:Late (145–164 Ma) 1323: 1322: 1244:(present–2.58 Ma) 1232:(present–66.0 Ma) 857:(1398): 717–732. 746: 745: 728:30.9841; 111.4197 657:34.4305; -96.0746 535:Usage information 516: 515: 496: 495: 474: 473: 1984: 1977:Ordovician stubs 1945: 1938: 1931: 1900: 1893: 1886: 1885: 1883: 1882: 1881: 1876: 1872: 1869: 1868: 1867: 1864: 1847:World portal 1845: 1844: 1834: 1833: 1796: 1760: 1720: 1689: 1686:Mesoproterozoic 1658: 1651: 1650: 1646: 1605: 1574: 1538: 1507: 1481: 1450: 1443: 1442: 1438: 1402: 1371: 1345: 1338: 1337: 1333: 1297: 1271: 1245: 1238: 1237: 1233: 1214: 1207: 1200: 1191: 1190: 1184: 1183: 1181: 1179: 1168: 1162: 1161: 1159: 1157: 1136: 1127: 1121: 1120: 1100: 1094: 1093: 1091: 1089: 1078: 1072: 1071: 1069: 1045: 1039: 1038: 1036: 1034: 1029: 1005: 999: 998: 987: 981: 980: 967: 927: 921: 920: 891: 885: 884: 874: 840: 754:Upper Ordovician 734: 733: 731: 730: 729: 724: 720: 717: 716: 715: 712: 663: 662: 660: 659: 658: 653: 649: 646: 645: 644: 641: 490: 481: 476: 468: 455: 450: 429: 420: 411: 402: 393: 384: 375: 366: 341: 326: 307: 274: 236: 208: 203: 198: 193: 188: 183: 178: 173: 168: 163: 158: 153: 148: 143: 138: 133: 128: 123: 117: 102: 93: 30: 16: 15: 1992: 1991: 1987: 1986: 1985: 1983: 1982: 1981: 1967:Late Ordovician 1952: 1951: 1950: 1949: 1889: 1879: 1877: 1873: 1870: 1865: 1862: 1860: 1858: 1857: 1856: 1854: 1849: 1839: 1828: 1820: 1802: 1794: 1787: 1758: 1747: 1718: 1711: 1687: 1680: 1656: 1655:Neoproterozoic 1645:(539 Ma–2.5 Ga) 1644: 1643: 1642:Proterozoic Eon 1632: 1603: 1596: 1572: 1565: 1536: 1529: 1505: 1498: 1479: 1472: 1448: 1436: 1435: 1424: 1400: 1393: 1369: 1362: 1343: 1331: 1330: 1319: 1295: 1288: 1269: 1262: 1243: 1231: 1230: 1223: 1218: 1188: 1187: 1177: 1175: 1170: 1169: 1165: 1155: 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1255: 1249: 1247: 1235: 1225: 1224: 1217: 1216: 1209: 1202: 1194: 1186: 1185: 1163: 1145:(4): 258–270. 1122: 1111:(3): 287–288. 1095: 1073: 1060:(3): 183–195. 1040: 1020:(4): 258–270. 1000: 982: 922: 903:(1): 113–130. 886: 834: 833: 831: 828: 797: 794: 777: 774: 744: 743: 740: 736: 735: 690: 686: 685: 677: 673: 672: 669: 665: 664: 623: 619: 618: 604: 600: 599: 596: 592: 591: 586: 582: 581: 576: 572: 571: 567: 566: 565:ICS Time Scale 563: 559: 558: 551: 550:Regional usage 547: 546: 541: 540:Celestial body 537: 536: 532: 531: 528: 527:Name formality 524: 523: 519: 518: 514: 513: 498: 497: 494: 493: 485: 484: 482: 472: 471: 459: 458: 456: 447: 443: 442: 438: 437: 433: 432: 424: 423: 415: 414: 406: 405: 397: 396: 388: 387: 379: 378: 370: 369: 361: 360: 352: 351: 345: 344: 330: 329: 311: 310: 294: 293: 287: 286: 278: 277: 249: 248: 240: 239: 213: 212: 210: 205: 200: 195: 190: 185: 180: 175: 170: 165: 160: 155: 150: 145: 140: 135: 130: 125: 120: 115: 112: 111: 107: 106: 103: 95: 94: 87: 82: 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1439: 1434:Paleozoic Era 1431: 1421: 1418: 1416: 1413: 1411: 1408: 1407: 1405: 1403: 1396: 1390: 1387: 1385: 1382: 1380: 1377: 1376: 1374: 1372: 1365: 1359: 1356: 1354: 1351: 1350: 1348: 1346: 1344:(66.0–145 Ma) 1339: 1336: 1334: 1332:(66.0–252 Ma) 1326: 1316: 1313: 1311: 1308: 1306: 1303: 1302: 1300: 1298: 1291: 1285: 1282: 1280: 1277: 1276: 1274: 1272: 1265: 1259: 1256: 1254: 1251: 1250: 1248: 1246: 1239: 1236: 1234: 1226: 1222: 1215: 1210: 1208: 1203: 1201: 1196: 1195: 1192: 1173: 1167: 1152: 1148: 1144: 1140: 1133: 1126: 1118: 1114: 1110: 1106: 1099: 1083: 1077: 1068: 1063: 1059: 1055: 1051: 1044: 1028: 1023: 1019: 1015: 1011: 1004: 996: 992: 986: 979: 975: 971: 966: 961: 957: 953: 949: 945: 941: 937: 933: 926: 918: 914: 910: 906: 902: 898: 890: 882: 878: 873: 868: 864: 860: 856: 852: 851: 846: 839: 835: 827: 825: 824: 819: 815: 811: 810:Bigfork Chert 807: 803: 793: 791: 787: 783: 773: 771: 767: 763: 759: 755: 751: 741: 737: 732: 703: 699: 695: 691: 687: 684: 683: 678: 674: 670: 666: 661: 632: 631:United States 628: 624: 620: 617: 616: 612: 608: 605: 601: 597: 593: 590: 587: 583: 580: 577: 573: 568: 564: 560: 556: 552: 548: 545: 542: 538: 533: 529: 525: 520: 508: 507:, as of 2021. 506: 499: 489: 483: 478: 477: 467: 464: 457: 452: 451: 428: 419: 410: 401: 392: 383: 374: 365: 357: 356: 348: 340: 325: 306: 290: 283: 282: 273: 272: 245: 244: 235: 234: 118: 113: 108: 101: 96: 90: 85: 80: 75: 70: 65: 60: 55: 50: 45: 40: 35: 29: 22: 17: 1917:expanding it 1903: 1888: 1855: 1821: 1757:Archean Eon 1719:(1.6–2.5 Ga) 1604:(485–539 Ma) 1573:(444–485 Ma) 1537:(419–444 Ma) 1506:(359–419 Ma) 1480:(299–359 Ma) 1449:(252–299 Ma) 1437:(252–539 Ma) 1401:(201–252 Ma) 1370:(145–201 Ma) 1329:Mesozoic Era 1229:Cenozoic Era 1176:. Retrieved 1166: 1156:20 September 1154:. Retrieved 1142: 1138: 1125: 1108: 1104: 1098: 1086:. Retrieved 1076: 1057: 1053: 1043: 1031:. Retrieved 1017: 1013: 1003: 994: 985: 977: 939: 935: 925: 900: 896: 889: 854: 848: 838: 821: 806:Womble Shale 799: 786:Atoka County 779: 749: 747: 680: 613: 502: 408: 353: 279: 251: 241: 215: 1878: / 1793:Hadean Eon 1571:Ordovician 1342:Cretaceous 1242:Quaternary 1033:13 December 726: / 714:111°25′11″E 655: / 391:Darriwilian 364:Tremadocian 1956:Categories 1906:Ordovician 1866:96°04′29″W 1863:34°25′50″N 1795:(4–4.6 Ga) 1759:(2.5–4 Ga) 1688:(1–1.6 Ga) 1294:Paleogene 1178:2 December 1088:2 December 830:References 818:graptolite 766:Hirnantian 762:Hirnantian 711:30°59′03″N 694:Wangjiawan 643:96°04′29″W 640:34°25′50″N 611:graptolite 570:Definition 463:land plant 427:Rhuddanian 418:Hirnantian 110:Chronology 1822:See also: 1602:Cambrian 1535:Silurian 1504:Devonian 1399:Triassic 1368:Jurassic 956:2041-1723 942:: 14066. 782:Katy Lake 522:Etymology 382:Dapingian 1447:Permian 1268:Neogene 1139:Episodes 1054:Episodes 1014:Episodes 974:28117834 881:10905606 820:species 808:and the 802:Oklahoma 790:Oklahoma 758:Sandbian 627:Oklahoma 553:Global ( 400:Sandbian 355:Stage 10 1105:Lethaia 965:5286199 905:Bibcode 872:1692785 816:of the 698:Yichang 609:of the 480:← 454:← 207:– 197:– 187:– 177:– 167:– 157:– 147:– 137:– 127:– 1962:Katian 1909:period 1801:  972:  962:  954:  879:  869:  776:Naming 750:Katian 598:Formal 530:Formal 466:spores 461:First 444:  439:  434:  409:Katian 373:Floian 19:Katian 1911:is a 1135:(PDF) 702:China 589:Stage 544:Earth 1913:stub 1180:2012 1158:2012 1090:2012 1035:2020 970:PMID 952:ISSN 877:PMID 796:GSSP 748:The 742:2006 671:2006 34:PreꞒ 1147:doi 1113:doi 1062:doi 1022:doi 960:PMC 944:doi 913:doi 867:PMC 859:doi 855:355 607:FAD 579:Age 555:ICS 505:ICS 1958:: 1817:Ga 1813:Ma 1809:ka 1143:30 1141:. 1137:. 1109:39 1107:. 1058:29 1056:. 1052:. 1018:30 1016:. 1012:. 993:. 976:. 968:. 958:. 950:. 938:. 934:. 911:. 901:42 899:. 875:. 865:. 853:. 847:. 788:, 772:. 700:, 696:, 629:, 233:c 231:i 229:o 227:z 225:o 223:e 221:l 219:a 217:P 84:Pg 28:Ma 1944:e 1937:t 1930:v 1919:. 1213:e 1206:t 1199:v 1182:. 1160:. 1149:: 1119:. 1115:: 1092:. 1070:. 1064:: 1037:. 1024:: 946:: 940:8 919:. 915:: 907:: 883:. 861:: 784:( 557:) 347:L 339:e 337:t 335:a 333:L 324:e 322:l 320:d 318:d 316:i 314:M 305:y 303:l 301:r 299:a 297:E 289:F 281:S 271:n 269:a 267:i 265:c 263:i 261:v 259:o 257:d 255:r 253:O 243:Ꞓ 89:N 79:K 74:J 69:T 64:P 59:C 54:D 49:S 44:O 39:Ꞓ

Index

Ma
PreꞒ

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Stage 10
Tremadocian
Floian
Dapingian
Darriwilian
Sandbian
Katian

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