1916:
845:
1905:
770:
872:. Consequently, there are shallow marine Callovian deposits in Russia and from Belarus, through Poland and Germany, into France and eastern Spain and much of England. Around the former island coasts are frequently, land-derived sediments. These are to be found, for example, in western Scotland.
757:
611:
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832:
708:
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1082:
1112:
637:
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1143:
510:
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1093:
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784:
The
Callovian is often subdivided into three substages (or subages): Lower/Early, Middle and Upper/Late Callovian. In the
1029:
978:
1136:
1294:
1087:
499:
1050:
755:
The top of the
Callovian (the base of the Oxfordian) is at the first appearance of ammonite species
1949:
1944:
1129:
1118:
This contains a detailed description of the
British and European strata as understood at the time.
1567:
1562:
900:
562:
712:
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544:
883:
are thought to have formed by an embayment of the
Pacific Ocean across modern-day Mexico.
8:
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1102:
1057:
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726:
The base of the
Callovian is defined as the place in the stratigraphic column where the
1939:
656:
1696:
1660:
1237:
1025:
869:
849:
688:
392:
954:
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1431:
773:
321:
1096:, at the website of Norges Network of offshore records of geology and stratigraphy
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30:
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1165:
880:
844:
632:
624:
294:
1263:
1090:, at the website of the subcommission for stratigraphic information of the ICS
1933:
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1116:. Vol. 5 (11th ed.). Cambridge University Press. pp. 58–59.
979:"Late Triassic-Jurassic Paleogeography and Origin of Gulf of Mexico Basin"
1846:
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of a dozen or so large islands. Between them were extensive areas of
716:
684:
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86:
679:(million years ago) and 161.5 ± 1.0 Ma. It is the last stage of the
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The
Callovian Stage was first described by French palaeontologist
1830:
1770:
1520:
1357:
1341:
739:
720:
592:
91:
66:
1101:
1866:
1749:
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Paléontologie française. 1. Terrains oolitiques ou jurassiques.
861:
645:
628:
597:
730:
704:
676:
749:
788:, the Callovian encompasses six ammonite biozones:
114:
955:"BGS Lexicon of Named Rock Units - Result Details"
752:) for the base had in 2009 not yet been assigned.
1931:
940:See for a detailed geologic timescale Gradstein
1293:
1279:
1137:
459:Subdivision of the Jurassic according to the
1039:Gradstein, F.M.; Ogg, J.G. & Smith, A.G.
694:
906:. International Commission on Stratigraphy.
466:Vertical axis scale: millions of years ago.
1286:
1272:
1144:
1130:
918:"International Commission on Stratigraphy"
16:Fourth and last age of the middle Jurassic
1094:Stratigraphic chart of the Upper Jurassic
901:"International Chronostratigraphic Chart"
711:, a small hamlet 3 km north-east of
976:
843:
768:
738:first appears, which is the base of the
619:Upper boundary GSSP candidate section(s)
579:Lower boundary GSSP candidate section(s)
1932:
879:and the southern Campeche Salt of the
456:
1267:
1125:
1099:
435:
1885:= kiloannum (thousands years ago);
1151:
703:in 1852. Its name derives from the
13:
1889:= megaannum (millions years ago);
839:
446:Triassic–Jurassic extinction event
14:
1961:
1893:= gigaannum (billions years ago).
1076:
1914:
1903:
780:Zone) in Makhtesh Gadol, Israel.
748:. A global reference profile (a
34:
970:
961:
947:
934:
910:
893:
764:
675:, lasting between 165.3 ± 1.1
434:
1:
1332:Pleistocene (11.7 ka–2.58 Ma)
1088:Jurassic-Cretaceous timescale
1007:
886:
1083:GeoWhen Database - Callovian
7:
1295:Geological history of Earth
856:in North Yorkshire, England
457:
239:
10:
1966:
1568:Mississippian (323–359 Ma)
1563:Pennsylvanian (299–323 Ma)
1327:Holocene (present–11.7 ka)
1051:Cambridge University Press
1047:A Geologic Time Scale 2004
1024:, Dunod, Paris (2nd ed.),
29:165.3 ± 1.1 – 161.5 ± 1.0
1880:
1865:
1852:Paleoarchean (3.2–3.6 Ga)
1829:
1789:
1758:
1727:
1714:
1702:Terreneuvian (521–539 Ma)
1674:
1643:
1607:
1576:
1550:
1519:
1506:
1471:
1440:
1414:
1401:
1366:
1340:
1314:
1301:
1159:
1100:Howe, John Allen (1911).
833:Bullatimorphites bullatus
695:Stratigraphic definitions
618:
606:Upper boundary definition
605:
578:
559:Lower boundary definition
558:
550:
540:
530:
525:
517:
505:
495:
490:
482:
477:
112:
107:
26:
21:
1847:Mesoarchean (2.8–3.2 Ga)
1692:Miaolingian (497–509 Ma)
1537:Guadalupian (260–272 Ma)
1389:Paleocene (56.0–66.0 Ma)
1379:Oligocene (23.0–33.9 Ma)
1069:642 p, Bertrand, Paris.
1014:Elmi, S. & Babin, C.
967:Elmi & Babin fig.55.
826:Macrocephalites gracilis
795:Quenstedtoceras lamberti
609:FAD of ammonite species
117:
1842:Neoarchean (2.5–2.8 Ga)
1807:Orosirian (1.8–2.05 Ga)
1802:Statherian (1.6–1.8 Ga)
1745:Cryogenian (635–720 Ma)
1635:Llandovery (433–444 Ma)
1542:Cisuralian (272–299 Ma)
1353:Pliocene (2.59–5.33 Ma)
1113:Encyclopædia Britannica
977:Salvador, Amos (1987).
848:Callovian rocks of the
745:Macrocephalites herveyi
230:−145 —
220:−150 —
210:−155 —
200:−160 —
190:−165 —
180:−170 —
170:−175 —
160:−180 —
150:−185 —
140:−190 —
130:−195 —
120:−200 —
1812:Rhyacian (2.05–2.3 Ga)
1781:Calymmian (1.4–1.6 Ga)
1740:Ediacaran (539–635 Ma)
1687:Furongian (485–497 Ma)
1532:Lopingian (252–260 Ma)
1358:Miocene (5.33–23.0 Ma)
860:During the Callovian,
857:
781:
1817:Siderian (2.3–2.5 Ga)
1776:Ectasian (1.2–1.4 Ga)
1697:Series 2 (509–521 Ma)
1384:Eocene (33.9–56.0 Ma)
1058:d'Orbigny, A.C.V.M.D.
847:
811:Erymnoceras coronatum
772:
1857:Eoarchean (3.6–4 Ga)
1750:Tonian (720 Ma–1 Ga)
1630:Wenlock (427–433 Ma)
1620:Pridoli (419–423 Ma)
1166:Lower/Early Jurassic
1022:Histoire de la Terre
758:Brightia thuouxensis
612:Brightia thuouxensis
1912: •
1901: •
1899:Geologic time scale
1661:Middle (458–470 Ma)
1625:Ludlow (423–427 Ma)
1594:Middle (383–393 Ma)
1489:Middle (237–247 Ma)
1458:Middle (164–174 Ma)
1176:Upper/Late Jurassic
551:Time span formality
1910:Geology portal
1771:Stenian (1–1.2 Ga)
1666:Early (470–485 Ma)
1599:Early (393–419 Ma)
1494:Early (247–252 Ma)
1463:Early (174–201 Ma)
1432:Early (100–145 Ma)
1427:Late (66.0–100 Ma)
858:
803:Peltoceras athleta
782:
778:Peltoceras athleta
687:and preceding the
657:geologic timescale
541:Stratigraphic unit
531:Chronological unit
518:Time scale(s) used
1927:
1926:
1825:
1824:
1791:Paleoproterozoic
1710:
1709:
1656:Late (444–458 Ma)
1589:Late (359–383 Ma)
1502:
1501:
1484:Late (201–237 Ma)
1453:Late (145–164 Ma)
1397:
1396:
1318:(present–2.58 Ma)
1306:(present–66.0 Ma)
1261:
1260:
1256:
1255:
1103:"Callovian"
870:continental shelf
850:Osgodby Formation
819:Reineckeia anceps
653:
652:
491:Usage information
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471:
452:
451:
1957:
1921:World portal
1919:
1918:
1908:
1907:
1870:
1834:
1794:
1763:
1760:Mesoproterozoic
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1720:
1679:
1648:
1612:
1581:
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1517:
1516:
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922:stratigraphy.org
914:
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897:
774:Matmor Formation
709:Kellaways Bridge
701:Alcide d'Orbigny
683:, following the
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1950:Geological ages
1945:Middle Jurassic
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1868:
1861:
1832:
1821:
1792:
1785:
1761:
1754:
1730:
1729:Neoproterozoic
1719:(539 Ma–2.5 Ga)
1718:
1717:
1716:Proterozoic Eon
1706:
1677:
1670:
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1603:
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1205:
1171:Middle Jurassic
1155:
1153:Jurassic Period
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840:Palaeogeography
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681:Middle Jurassic
673:Middle Jurassic
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1552:Carboniferous
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1391:
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1381:
1375:
1373:
1370:(23.0–66.0 Ma)
1364:
1363:
1361:
1360:
1355:
1349:
1347:
1344:(2.58–23.0 Ma)
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1108:Chisholm, Hugh
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1077:External links
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1731:(539 Ma–1 Ga)
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1508:Paleozoic Era
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1450:
1448:
1446:
1439:
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1428:
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1424:
1422:
1420:
1418:(66.0–145 Ma)
1413:
1410:
1408:
1406:(66.0–252 Ma)
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1275:
1270:
1269:
1266:
1249:
1246:
1244:
1241:
1239:
1236:
1235:
1233:
1228:
1225:
1223:
1220:
1218:
1215:
1213:
1210:
1209:
1207:
1202:
1199:
1197:
1196:Pliensbachian
1194:
1192:
1189:
1187:
1184:
1183:
1181:
1180:
1177:
1174:
1172:
1169:
1167:
1164:
1163:
1158:
1154:
1147:
1142:
1140:
1135:
1133:
1128:
1127:
1124:
1115:
1114:
1109:
1104:
1098:
1095:
1092:
1089:
1086:
1084:
1081:
1080:
1068:
1064:
1059:
1055:
1052:
1048:
1044:
1037:
1031:
1030:2-10-006631-5
1027:
1023:
1019:
1012:
1011:
991:
987:
986:AAPG Bulletin
980:
973:
964:
956:
950:
943:
937:
923:
919:
913:
902:
896:
892:
884:
882:
878:
873:
871:
867:
863:
855:
851:
846:
835:
834:
829:
827:
823:
821:
820:
815:
813:
812:
807:
805:
804:
799:
797:
796:
791:
790:
789:
787:
786:Tethys domain
779:
775:
771:
762:
760:
759:
753:
751:
747:
746:
741:
737:
736:
732:
729:
724:
722:
718:
714:
710:
706:
702:
692:
690:
686:
682:
678:
674:
670:
666:
662:
658:
647:
643:
639:
636:
634:
630:
626:
623:
622:
621:
617:
614:
613:
608:
604:
599:
596:
594:
590:
586:
583:
582:
581:
577:
574:
573:
568:
564:
561:
557:
553:
549:
546:
543:
539:
536:
533:
529:
524:
520:
516:
512:
508:
504:
501:
498:
494:
489:
485:
481:
476:
464:
463:, as of 2022.
462:
455:
447:
443:
438:
437:
415:
408:
401:
394:
387:
380:
373:
366:
359:
352:
351:Pliensbachian
345:
338:
331:
323:
314:
305:
296:
287:
279:
278:
270:
268:
259:
258:
248:
246:
116:
111:
106:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
43:
38:
32:
25:
20:
1895:
1831:Archean Eon
1793:(1.6–2.5 Ga)
1678:(485–539 Ma)
1647:(444–485 Ma)
1611:(419–444 Ma)
1580:(359–419 Ma)
1554:(299–359 Ma)
1523:(252–299 Ma)
1511:(252–539 Ma)
1475:(201–252 Ma)
1444:(145–201 Ma)
1403:Mesozoic Era
1303:Cenozoic Era
1243:Kimmeridgian
1226:
1111:
1066:
1062:
1046:
1042:
1021:
1017:
994:. Retrieved
992:(4): 419–451
989:
985:
972:
963:
949:
941:
936:
925:. Retrieved
921:
912:
895:
874:
859:
831:
825:
817:
809:
801:
793:
783:
777:
776:(Callovian,
756:
754:
743:
733:
725:
698:
660:
654:
610:
570:
458:
400:Kimmeridgian
385:
275:
264:
253:
242:
1867:Hadean Eon
1645:Ordovician
1416:Cretaceous
1316:Quaternary
1071:(in French)
1034:(in French)
877:Louann Salt
866:archipelago
765:Subdivision
735:Kepplerites
589:Swabian Alb
572:Kepplerites
1934:Categories
1869:(4–4.6 Ga)
1833:(2.5–4 Ga)
1762:(1–1.6 Ga)
1368:Paleogene
1191:Sinemurian
1186:Hettangian
1008:Literature
996:2011-03-09
927:2023-02-20
887:References
854:Cayton Bay
713:Chippenham
585:Pfeffingen
526:Definition
414:Berriasian
344:Sinemurian
337:Hettangian
108:Chronology
1940:Callovian
1896:See also:
1676:Cambrian
1609:Silurian
1578:Devonian
1473:Triassic
1442:Jurassic
1248:Tithonian
1238:Oxfordian
1227:Callovian
1222:Bathonian
717:Wiltshire
707:name for
705:latinized
689:Oxfordian
685:Bathonian
661:Callovian
478:Etymology
407:Tithonian
393:Oxfordian
386:Callovian
379:Bathonian
22:Callovian
1521:Permian
1342:Neogene
1217:Bajocian
1212:Aalenian
1201:Toarcian
830:zone of
824:zone of
816:zone of
808:zone of
800:zone of
792:zone of
728:ammonite
642:Provence
638:Savouron
567:Ammonite
509:Global (
372:Bajocian
365:Aalenian
358:Toarcian
330:Rhaetian
267:Jurassic
245:Mesozoic
1110:(ed.).
864:was an
740:biozone
721:England
671:in the
655:In the
593:Germany
565:of the
440:←
235:–
225:–
215:–
205:–
195:–
185:–
175:–
165:–
155:–
145:–
135:–
125:–
98:↓
1875:
1028:
944:(2004)
942:et al.
862:Europe
663:is an
659:, the
646:France
629:Dorset
598:Russia
569:genus
554:Formal
486:Formal
430:
425:
420:
304:Middle
1106:. In
982:(PDF)
904:(PDF)
731:genus
669:stage
545:Stage
500:Earth
295:Early
1063:1842
1043:2004
1026:ISBN
1018:2002
875:The
750:GSSP
667:and
313:Late
37:PreꞒ
852:at
742:of
665:age
563:FAD
535:Age
511:ICS
461:ICS
1936::
1891:Ga
1887:Ma
1883:ka
1065::
1061:;
1049:,
1045::
1041:;
1032:.
1020::
1016:;
990:71
988:.
984:.
920:.
761:.
723:.
719:,
715:,
691:.
677:Ma
644:,
640:,
633:UK
631:,
627:,
591:,
587:,
322:EK
286:LT
87:Pg
31:Ma
1287:e
1280:t
1273:v
1145:e
1138:t
1131:v
1053:.
999:.
957:.
930:.
513:)
277:K
256:T
92:N
82:K
77:J
72:T
67:P
62:C
57:D
52:S
47:O
42:Ꞓ
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