leg site hole age mnemonic auxiliary age mnemonic top of section depth(m) bottom of section depth(m) special condition age auxiliary age averaged age age top of section(million years) age bottom of section(million years) average age(million years)t data source 47 398 D PLIOCENE 271.0 280.5 NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 DSDP INITIAL REPORTS 47 398 D UPPER MIOCENE 318.5 328.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 47 398 D UPPER MIOCENE MIDDLE MIOCENE 366.0 375.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 5 16 10.5 DSDP INITIAL REPORTS 47 398 D MIDDLE MIOCENE 394.5 442.0 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 DSDP INITIAL REPORTS 47 398 D LOWER MIOCENE 451.5 461.0 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 47 398 D LOWER MIOCENE UPPER OLIGOCENE 470.5 480.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 16 30 23 DSDP INITIAL REPORTS 47 398 D LOWER MIOCENE 489.5 499.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 47 398 D LOWER MIOCENE UPPER OLIGOCENE 508.5 518.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 16 30 23 DSDP INITIAL REPORTS 47 398 D UPPER OLIGOCENE 527.5 565.5 NO AGE GIVEN NO AGE GIVEN 22.5 30 26.25 DSDP INITIAL REPORTS 47 398 D MIDDLE OLIGOCENE 565.5 575.0 NO AGE GIVEN NO AGE GIVEN 29 32 30.5 DSDP INITIAL REPORTS 47 398 D LOWER OLIGOCENE UPPER EOCENE 584.5 603.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 30 43 36.5 DSDP INITIAL REPORTS 47 398 D UPPER EOCENE 603.5 622.5 NO AGE GIVEN NO AGE GIVEN 37.5 43 40.25 DSDP INITIAL REPORTS 47 398 D UPPER EOCENE MIDDLE EOCENE 622.5 641.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 37.5 49 43.25 DSDP INITIAL REPORTS 47 398 D MIDDLE EOCENE 641.5 708.0 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 47 398 D LOWER EOCENE 708.0 727.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 47 398 D LOWER EOCENE UPPER PALEOCENE 727.0 736.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 49 60 54.5 DSDP INITIAL REPORTS 47 398 D UPPER PALEOCENE 736.5 774.5 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 47 398 D LOWER PALEOCENE 774.5 793.5 NO AGE GIVEN NO AGE GIVEN 60 65 62.5 DSDP INITIAL REPORTS 47 398 D LOWER PALEOCENE MAESTRICHTIAN 793.5 803.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 60 70 65 DSDP INITIAL REPORTS 47 398 D MAESTRICHTIAN CAMPANIAN 803.0 812.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 78 71.5 DSDP INITIAL REPORTS 47 398 D MAESTRICHTIAN 812.5 841.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 65 70 67.5 DSDP INITIAL REPORTS 47 398 D MAESTRICHTIAN CAMPANIAN 841.0 850.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 78 71.5 DSDP INITIAL REPORTS 47 398 D LOWER MAESTRICHTIAN UPPER CAMPANIAN 850.5 860.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 67.5 74 70.75 DSDP INITIAL REPORTS 47 398 D MAESTRICHTIAN CAMPANIAN 860.0 888.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 78 71.5 DSDP INITIAL REPORTS 47 398 D CENOMANIAN 926.5 936.0 NO AGE GIVEN NO AGE GIVEN 92 100 96 DSDP INITIAL REPORTS 47 398 D LOWER CENOMANIAN 945.5 974.0 NO AGE GIVEN NO AGE GIVEN 97.5 100 98.75 DSDP INITIAL REPORTS 47 398 D UPPER ALBIAN 974.0 1012.0 NO AGE GIVEN NO AGE GIVEN 100 104 102 DSDP INITIAL REPORTS 47 398 D ALBIAN 1012.0 1135.5 NO AGE GIVEN NO AGE GIVEN 100 108 104 DSDP INITIAL REPORTS 47 398 D APTIAN 1135.5 1139.3 NO AGE GIVEN NO AGE GIVEN 108 110 109 DSDP INITIAL REPORTS 47 398 D ALBIAN 1139.3 1145.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 100 108 104 DSDP INITIAL REPORTS 47 398 D APTIAN 1164.0 1249.5 NO AGE GIVEN NO AGE GIVEN 108 110 109 DSDP INITIAL REPORTS 47 398 D APTIAN BARREMIAN 1325.5 1344.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 108 121 114.5 DSDP INITIAL REPORTS 47 398 D APTIAN 1382.5 1392.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 108 110 109 DSDP INITIAL REPORTS 47 398 D UPPER APTIAN 1401.5 1430.0 NO AGE GIVEN NO AGE GIVEN 108 112 110 DSDP INITIAL REPORTS 47 398 D MIDDLE ALBIAN UPPER APTIAN 1449.0 1458.5 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 104 112 108 DSDP INITIAL REPORTS 47 398 D APTIAN 1477.5 1487.0 NO AGE GIVEN NO AGE GIVEN 108 110 109 DSDP INITIAL REPORTS 47 398 D LOWER APTIAN 1487.0 1506.0 NO AGE GIVEN NO AGE GIVEN 112 115 113.5 DSDP INITIAL REPORTS 47 398 D UPPER BARREMIAN 1563.0 1572.5 NO AGE GIVEN NO AGE GIVEN 115 118 116.5 DSDP INITIAL REPORTS 47 398 D BARREMIAN 1572.5 1591.5 NO AGE GIVEN NO AGE GIVEN 115 121 118 DSDP INITIAL REPORTS 47 398 D BARREMIAN NEOCOMIAN 1601.0 1620.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 115 135 125 DSDP INITIAL REPORTS 47 398 D UPPER BARREMIAN 1629.5 1639.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 115 118 116.5 DSDP INITIAL REPORTS 47 398 D BARREMIAN UPPER HAUTERIVIAN 1639.0 1740.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 115 123 119 DSDP INITIAL REPORTS