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Coniacian

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in the Atlantic domain. The anoxic event lasted till the Middle Santonian (from 87.3 to 84.6 Ma) and is the longest and last such event during the Cretaceous period.
970:(Co1, at 87,0 Ma) separates the Middle from the Upper Coniacian Substage. An even shorter third order cycle caused a new transgression during the Late Coniacian. 1237: 958:
After a maximum of the global sea level during the early Turonian, the Coniacian was characterized by a gradual fall of the sea level. This cycle is in
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seen as a first order cycle. During the middle Coniacian a shorter, second order cycle, caused a temporary rise of the sea level (and global
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Origins and accumulation of organic matter in expanded Albian to Santonian black shale sequences on the Demerara Rise, South American margin
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The top of the Coniacian (the base of the Santonian Stage) is defined by the appearance of the inoceramid
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The Coniacian is often subdivided into Lower, Middle and Upper Substages. It encompasses three
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and 86.3 Β± 0.7 Ma (million years ago). The Coniacian is preceded by the
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The base of the Coniacian Stage is at the first appearance of the
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the Coniacian overlaps just one ammonite biozone: that of
915:) is located in Salzgitter-Salder, Lower Saxony, Germany. 1083:
Lamolda, M.; Paul, C.; Peryt, D.; Pons, J. (March 2014).
966:) on top of the longer first order trend. The following 1953: 1917: 1877: 1846: 1815: 1802: 1762: 1731: 1695: 1664: 1638: 1607: 1594: 1559: 1528: 1502: 1489: 1454: 1428: 1402: 1389: 819: 774: 761: 753: 704: 682: 674: 664: 654: 649: 641: 629: 619: 614: 606: 601: 209: 123: 49:. Unsourced material may be challenged and removed. 950:, a relatively long period with normal polarity. 911:. The official reference profile for the base (a 1174:Meyers, P.A.; Bernasconi, S.M. & Forster, A. 583:Subdivision of the Cretaceous according to the 1367: 1231: 8: 1156:Gradstein, F.M.; Ogg, J.G. & Smith, A.G. 891:. It was first defined by French geologist 590:Vertical axis scale: millions of years ago. 1812: 1604: 1499: 1399: 1374: 1360: 1352: 1255: 1238: 1224: 1216: 1210:Stratigraphic chart of the Late Cretaceous 1064:International Commission on Stratigraphy. 1100: 879:The Coniacian is named after the city of 109:Learn how and when to remove this message 1056: 973:Beginning in the Middle Coniacian, an 954:Sequence stratigraphy and geochemistry 120: 1126:(2004) for a detailed version of the 7: 981:, causing large scale deposition of 930:The Coniacian overlaps the regional 859:and spans the time between 89.8 Β± 1 557: 47:adding citations to reliable sources 1973:= kiloannum (thousands years ago); 1977:= megaannum (millions years ago); 14: 1981:= gigaannum (billions years ago). 2002: 1991: 23: 1102:10.18814/epiiugs/2014/v37i1/001 1011:Paratexanites serratomarginatus 34:needs additional citations for 948:Cretaceous Magnetic Quiet Zone 908:Cremnoceramus deformis erectus 765:FAD of the Inoceramid Bivalve 698:Cremnoceramus deformis erectus 1: 1420:Pleistocene (11.7 ka–2.58 Ma) 924:Cladoceramus undulatoplicatus 845:. It is a subdivision of the 768:Cladoceramus undulatoplicatus 1199:GeoWhen Database - Coniacian 1383:Geological history of Earth 942:, the Coniacian is part of 2059: 1656:Mississippian (323–359 Ma) 1651:Pennsylvanian (299–323 Ma) 1415:Holocene (present–11.7 ka) 1168:Cambridge University Press 1164:A Geologic Time Scale 2004 1040:Forresteria petrocoriensis 16:Age of the Late Cretaceous 1968: 1940:Paleoarchean (3.2–3.6 Ga) 1790:Terreneuvian (521–539 Ma) 1253: 1204:Late Cretaceous timescale 875:Stratigraphic definitions 762:Upper boundary definition 683:Lower boundary definition 580: 214: 128: 2043:Cretaceous geochronology 1935:Mesoarchean (2.8–3.2 Ga) 1780:Miaolingian (497–509 Ma) 1625:Guadalupian (260–272 Ma) 1477:Paleocene (56.0–66.0 Ma) 1467:Oligocene (23.0–33.9 Ma) 1066:"ICS - Chart/Time Scale" 977:(OAE-3) occurred in the 131:89.8 Β± 0.3 – 86.3 Β± 0.5 1930:Neoarchean (2.5–2.8 Ga) 1895:Orosirian (1.8–2.05 Ga) 1890:Statherian (1.6–1.8 Ga) 1833:Cryogenian (635–720 Ma) 1723:Llandovery (433–444 Ma) 1630:Cisuralian (272–299 Ma) 1441:Pliocene (2.59–5.33 Ma) 1184:, Organic Geochemistry 1027:Peroniceras tridorsatum 262:−100 — 252:−110 — 242:−120 — 232:−130 — 222:−140 — 1900:Rhyacian (2.05–2.3 Ga) 1869:Calymmian (1.4–1.6 Ga) 1828:Ediacaran (539–635 Ma) 1775:Furongian (485–497 Ma) 1620:Lopingian (252–260 Ma) 1446:Miocene (5.33–23.0 Ma) 1260:Lower/Early Cretaceous 292:−70 — 282:−80 — 272:−90 — 1905:Siderian (2.3–2.5 Ga) 1864:Ectasian (1.2–1.4 Ga) 1785:Series 2 (509–521 Ma) 1472:Eocene (33.9–56.0 Ma) 1265:Upper/Late Cretaceous 1019:Gauthiericeras margae 960:sequence stratigraphy 1945:Eoarchean (3.6–4 Ga) 1838:Tonian (720 Ma–1 Ga) 1718:Wenlock (427–433 Ma) 1708:Pridoli (419–423 Ma) 1130:' geologic timescale 1070:www.stratigraphy.org 867:and followed by the 43:improve this article 2000: • 1989: • 1987:Geologic time scale 1749:Middle (458–470 Ma) 1713:Ludlow (423–427 Ma) 1682:Middle (383–393 Ma) 1577:Middle (237–247 Ma) 1546:Middle (164–174 Ma) 946:C34, the so-called 944:magnetic chronozone 940:magnetostratigraphy 820:Upper GSSP ratified 800: /  775:Upper boundary GSSP 754:Lower GSSP ratified 738:52.1243Β°N 10.3295Β°E 734: /  705:Lower boundary GSSP 675:Time span formality 1998:Geology portal 1859:Stenian (1–1.2 Ga) 1754:Early (470–485 Ma) 1687:Early (393–419 Ma) 1582:Early (247–252 Ma) 1551:Early (174–201 Ma) 1520:Early (100–145 Ma) 1515:Late (66.0–100 Ma) 843:geologic timescale 804:42.8668Β°N 2.1968Β°W 665:Stratigraphic unit 655:Chronological unit 642:Time scale(s) used 2015: 2014: 1913: 1912: 1879:Paleoproterozoic 1798: 1797: 1744:Late (444–458 Ma) 1677:Late (359–383 Ma) 1590: 1589: 1572:Late (201–237 Ma) 1541:Late (145–164 Ma) 1485: 1484: 1406:(present–2.58 Ma) 1394:(present–66.0 Ma) 1349: 1348: 1344: 1343: 1247:Cretaceous Period 827: 826: 615:Usage information 596: 595: 576: 575: 119: 118: 111: 93: 2050: 2009:World portal 2007: 2006: 1996: 1995: 1958: 1922: 1882: 1851: 1848:Mesoproterozoic 1820: 1813: 1808: 1767: 1736: 1700: 1669: 1643: 1612: 1605: 1600: 1564: 1533: 1507: 1500: 1495: 1459: 1433: 1407: 1400: 1395: 1376: 1369: 1362: 1353: 1256: 1240: 1233: 1226: 1217: 1175: 1157: 1144: 1137: 1131: 1120: 1114: 1113: 1111: 1109: 1104: 1080: 1074: 1073: 1061: 854:Upper Cretaceous 815: 814: 812: 811: 810: 809:42.8668; -2.1968 805: 801: 798: 797: 796: 793: 749: 748: 746: 745: 744: 743:52.1243; 10.3295 739: 735: 732: 731: 730: 727: 563: 558: 531: 523: 514: 505: 496: 487: 478: 469: 460: 451: 442: 433: 424: 414: 405: 395: 394: 384: 383: 372: 360: 349: 347: 327: 313: 311: 298: 293: 288: 283: 278: 273: 268: 263: 258: 253: 248: 243: 238: 233: 228: 223: 217: 205: 135: 121: 114: 107: 103: 100: 94: 92: 51: 27: 19: 2058: 2057: 2053: 2052: 2051: 2049: 2048: 2047: 2038:Geological ages 2033:Late Cretaceous 2018: 2017: 2016: 2011: 2001: 1990: 1982: 1964: 1956: 1949: 1920: 1909: 1880: 1873: 1849: 1842: 1818: 1817:Neoproterozoic 1807:(539 Ma–2.5 Ga) 1806: 1805: 1804:Proterozoic Eon 1794: 1765: 1758: 1734: 1727: 1698: 1691: 1667: 1660: 1641: 1634: 1610: 1598: 1597: 1586: 1562: 1555: 1531: 1524: 1505: 1493: 1492: 1481: 1457: 1450: 1431: 1424: 1405: 1393: 1392: 1385: 1380: 1350: 1345: 1340: 1304: 1249: 1244: 1195: 1188:, pp 1816–1830. 1173: 1155: 1152: 1147: 1138: 1134: 1121: 1117: 1107: 1105: 1082: 1081: 1077: 1063: 1062: 1058: 1054: 1049: 991: 956: 877: 847:Late Cretaceous 808: 806: 802: 799: 794: 791: 789: 787: 786: 785: 742: 740: 736: 733: 728: 725: 723: 721: 720: 719: 597: 592: 591: 589: 572: 569: 561: 554: 553: 549: 548: 544: 543: 539: 538: 534: 533: 529: 525: 524: 519: 516: 515: 510: 507: 506: 501: 498: 497: 492: 489: 488: 483: 480: 479: 474: 471: 470: 465: 462: 461: 456: 453: 452: 447: 444: 443: 438: 435: 434: 429: 426: 425: 420: 417: 416: 412: 408: 407: 403: 401: 397: 396: 390: 389: 386: 385: 379: 378: 375: 374: 370: 368: 364: 363: 358: 356: 351: 350: 343: 341: 338: 337: 329: 328: 323: 319: 316: 315: 314: 307: 305: 299: 296: 294: 291: 289: 286: 284: 281: 279: 276: 274: 271: 269: 266: 264: 261: 259: 256: 254: 251: 249: 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1487: 1486: 1483: 1482: 1480: 1479: 1474: 1469: 1463: 1461: 1458:(23.0–66.0 Ma) 1452: 1451: 1449: 1448: 1443: 1437: 1435: 1432:(2.58–23.0 Ma) 1426: 1425: 1423: 1422: 1417: 1411: 1409: 1397: 1387: 1386: 1381: 1379: 1378: 1371: 1364: 1356: 1347: 1346: 1342: 1341: 1339: 1338: 1333: 1328: 1323: 1318: 1313: 1307: 1305: 1303: 1302: 1297: 1292: 1287: 1282: 1277: 1271: 1268: 1267: 1262: 1254: 1251: 1250: 1245: 1243: 1242: 1235: 1228: 1220: 1214: 1213: 1207: 1201: 1194: 1193:External links 1191: 1190: 1189: 1171: 1151: 1148: 1146: 1145: 1132: 1122:See Gradstein 1115: 1075: 1055: 1053: 1050: 1048: 1045: 1031: 1030: 1022: 1014: 990: 987: 979:Atlantic Ocean 964:transgressions 955: 952: 876: 873: 825: 824: 821: 817: 816: 776: 772: 771: 763: 759: 758: 755: 751: 750: 706: 702: 701: 684: 680: 679: 676: 672: 671: 666: 662: 661: 656: 652: 651: 647: 646: 645:ICS Time Scale 643: 639: 638: 631: 630:Regional usage 627: 626: 621: 620:Celestial body 617: 616: 612: 611: 608: 607:Name formality 604: 603: 599: 598: 594: 593: 581: 578: 577: 574: 573: 566: 564: 555: 551: 550: 546: 545: 541: 540: 536: 535: 527: 526: 518: 517: 509: 508: 500: 499: 491: 490: 482: 481: 473: 472: 464: 463: 455: 454: 446: 445: 437: 436: 428: 427: 419: 418: 410: 409: 399: 398: 388: 387: 377: 376: 366: 365: 353: 352: 340: 339: 331: 330: 318: 317: 304: 303: 302: 300: 295: 290: 285: 280: 275: 270: 265: 260: 255: 250: 245: 240: 235: 230: 225: 220: 215: 212: 211: 207: 206: 199: 198: 197: 192: 187: 182: 177: 172: 167: 162: 157: 152: 147: 142: 137: 136: 126: 125: 117: 116: 31: 29: 22: 15: 13: 10: 9: 6: 4: 3: 2: 2055: 2044: 2041: 2039: 2036: 2034: 2031: 2029: 2026: 2025: 2023: 2010: 2005: 1999: 1994: 1988: 1985: 1980: 1976: 1972: 1967: 1961: 1959: 1952: 1946: 1943: 1941: 1938: 1936: 1933: 1931: 1928: 1927: 1925: 1923: 1916: 1906: 1903: 1901: 1898: 1896: 1893: 1891: 1888: 1887: 1885: 1883: 1876: 1870: 1867: 1865: 1862: 1860: 1857: 1856: 1854: 1852: 1845: 1839: 1836: 1834: 1831: 1829: 1826: 1825: 1823: 1821: 1819:(539 Ma–1 Ga) 1814: 1811: 1809: 1801: 1791: 1788: 1786: 1783: 1781: 1778: 1776: 1773: 1772: 1770: 1768: 1761: 1755: 1752: 1750: 1747: 1745: 1742: 1741: 1739: 1737: 1730: 1724: 1721: 1719: 1716: 1714: 1711: 1709: 1706: 1705: 1703: 1701: 1694: 1688: 1685: 1683: 1680: 1678: 1675: 1674: 1672: 1670: 1663: 1657: 1654: 1652: 1649: 1648: 1646: 1644: 1637: 1631: 1628: 1626: 1623: 1621: 1618: 1617: 1615: 1613: 1606: 1603: 1601: 1596:Paleozoic Era 1593: 1583: 1580: 1578: 1575: 1573: 1570: 1569: 1567: 1565: 1558: 1552: 1549: 1547: 1544: 1542: 1539: 1538: 1536: 1534: 1527: 1521: 1518: 1516: 1513: 1512: 1510: 1508: 1506:(66.0–145 Ma) 1501: 1498: 1496: 1494:(66.0–252 Ma) 1488: 1478: 1475: 1473: 1470: 1468: 1465: 1464: 1462: 1460: 1453: 1447: 1444: 1442: 1439: 1438: 1436: 1434: 1427: 1421: 1418: 1416: 1413: 1412: 1410: 1408: 1401: 1398: 1396: 1388: 1384: 1377: 1372: 1370: 1365: 1363: 1358: 1357: 1354: 1337: 1336:Maastrichtian 1334: 1332: 1329: 1327: 1324: 1322: 1319: 1317: 1314: 1312: 1309: 1308: 1306: 1301: 1298: 1296: 1293: 1291: 1288: 1286: 1283: 1281: 1278: 1276: 1273: 1272: 1270: 1269: 1266: 1263: 1261: 1258: 1257: 1252: 1248: 1241: 1236: 1234: 1229: 1227: 1222: 1221: 1218: 1211: 1208: 1205: 1202: 1200: 1197: 1196: 1192: 1187: 1183: 1179: 1172: 1169: 1165: 1161: 1154: 1153: 1149: 1142: 1136: 1133: 1129: 1125: 1119: 1116: 1103: 1098: 1094: 1090: 1086: 1079: 1076: 1071: 1067: 1060: 1057: 1051: 1046: 1044: 1043: 1041: 1036: 1035:boreal domain 1029: 1028: 1023: 1021: 1020: 1015: 1013: 1012: 1007: 1006: 1005: 1003: 1002:Tethys domain 999: 996: 988: 986: 984: 980: 976: 971: 969: 965: 961: 953: 951: 949: 945: 941: 937: 933: 928: 926: 925: 921: 916: 914: 910: 909: 904: 901: 896: 894: 893:Henri Coquand 890: 886: 882: 874: 872: 870: 866: 862: 858: 855: 851: 848: 844: 840: 836: 832: 822: 818: 813: 784: 780: 777: 773: 770: 769: 764: 760: 756: 752: 747: 718: 714: 710: 707: 703: 700: 699: 695: 692: 688: 685: 681: 677: 673: 670: 667: 663: 660: 657: 653: 648: 644: 640: 636: 632: 628: 625: 622: 618: 613: 609: 605: 600: 588: 587:, as of 2022. 586: 579: 571: 565: 560: 559: 556: 532: 522: 521:Maastrichtian 513: 504: 495: 486: 477: 468: 459: 450: 441: 432: 423: 415: 406: 393: 382: 373: 362: 361: 348: 346: 336: 335: 326: 325: 312: 310: 301: 219: 218: 213: 208: 195: 190: 185: 180: 175: 170: 165: 160: 155: 150: 145: 140: 134: 127: 122: 113: 110: 102: 99:February 2024 91: 88: 84: 81: 77: 74: 70: 67: 63: 60: β€“  59: 55: 54:Find sources: 48: 44: 38: 37: 32:This article 30: 26: 21: 20: 1983: 1919:Archean Eon 1881:(1.6–2.5 Ga) 1766:(485–539 Ma) 1735:(444–485 Ma) 1699:(419–444 Ma) 1668:(359–419 Ma) 1642:(299–359 Ma) 1611:(252–299 Ma) 1599:(252–539 Ma) 1563:(201–252 Ma) 1532:(145–201 Ma) 1491:Mesozoic Era 1391:Cenozoic Era 1320: 1185: 1181: 1177: 1163: 1159: 1140: 1135: 1123: 1118: 1106:. Retrieved 1092: 1088: 1078: 1069: 1059: 1038: 1032: 1025: 1017: 1009: 992: 983:black shales 975:anoxic event 972: 957: 929: 922: 917: 906: 897: 878: 830: 828: 823:January 2013 766: 696: 582: 493: 354: 342: 332: 320: 306: 105: 96: 86: 79: 72: 65: 53: 41:Please help 36:verification 33: 1955:Hadean Eon 1733:Ordovician 1504:Cretaceous 1404:Quaternary 1285:Hauterivian 1280:Valanginian 1139:See Meyers 1108:24 December 1095:(1): 2–13. 989:Subdivision 807: / 741: / 440:Hauterivian 431:Valanginian 58:"Coniacian" 2022:Categories 1957:(4–4.6 Ga) 1921:(2.5–4 Ga) 1850:(1–1.6 Ga) 1456:Paleogene 1311:Cenomanian 1275:Berriasian 1150:Literature 1047:References 968:regression 932:Emscherian 900:inoceramid 887:region of 792:42Β°52β€²00β€³N 779:Olazagutia 729:10Β°19β€²46β€³E 726:52Β°07β€²27β€³N 709:Salzgitter 691:Inoceramid 650:Definition 570:extinction 476:Cenomanian 422:Berriasian 345:Cretaceous 210:Chronology 69:newspapers 2028:Coniacian 1984:See also: 1764:Cambrian 1697:Silurian 1666:Devonian 1561:Triassic 1530:Jurassic 1331:Campanian 1326:Santonian 1321:Coniacian 1290:Barremian 934:Stage of 895:in 1857. 889:Saintonge 869:Santonian 831:Coniacian 795:2Β°11β€²48β€³W 602:Etymology 568:K-Pg mass 512:Campanian 503:Santonian 494:Coniacian 449:Barremian 413:Tithonian 124:Coniacian 1609:Permian 1430:Neogene 1316:Turonian 1089:Episodes 1024:zone of 1016:zone of 1008:zone of 998:biozones 995:ammonite 905:species 865:Turonian 757:May 2021 715:quarry, 633:Global ( 485:Turonian 309:Mesozoic 1033:In the 1000:in the 936:Germany 920:bivalve 903:bivalve 883:in the 841:in the 717:Germany 694:Bivalve 689:of the 562:← 297:– 287:– 277:– 267:– 257:– 247:– 237:– 227:– 200:↓ 83:scholar 1963:  1300:Albian 1295:Aptian 1143:(2006) 1141:et al. 1124:et al. 885:French 881:Cognac 857:Series 833:is an 713:Salder 678:Formal 610:Formal 552:  547:  542:  537:  530:Danian 467:Albian 458:Aptian 85:  78:  71:  64:  56:  1052:Notes 850:Epoch 839:stage 783:Spain 669:Stage 624:Earth 381:Early 90:JSTOR 76:books 1178:2006 1160:2004 1110:2020 913:GSSP 829:The 392:Late 139:Preκž’ 62:news 1128:ICS 1097:doi 852:or 837:or 835:age 687:FAD 659:Age 635:ICS 585:ICS 45:by 2024:: 1979:Ga 1975:Ma 1971:ka 1186:37 1180:: 1176:; 1166:, 1162:: 1158:; 1093:37 1091:. 1087:. 1068:. 1004:: 927:. 871:. 861:Ma 781:, 189:Pg 133:Ma 1375:e 1368:t 1361:v 1239:e 1232:t 1225:v 1170:. 1112:. 1099:: 1072:. 1042:. 711:- 637:) 404:C 402:P 371:J 369:L 359:g 357:P 334:J 324:Z 322:C 194:N 184:K 179:J 174:T 169:P 164:C 159:D 154:S 149:O 144:κž’ 112:) 106:( 101:) 97:( 87:Β· 80:Β· 73:Β· 66:Β· 39:.

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Ma
Preκž’
κž’
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D
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J
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Pg
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Mesozoic
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Cretaceous
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