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Table T4. Radiolarian datums, Site U1333. (See table notes.)

Geologic age Zone Marker species Age
(Ma) 		Core, section interval (cm) Depth CSF (m)
Top Bottom Top Bottom Midpoint ±
lower Miocene RN2     320-U1333A- 320-U1333A-
B S. delmontensis 20.68 1H-2, 104–106 1H-4, 104–106 2.55 5.55 4.05 1.50
T L. pegetrum 20.89 1H-4, 104–106 1H-CC 5.55 9.92 7.74 2.19
  T T. annosa 21.38 1H-4, 104–106 1H-CC 5.55 9.92 7.74 2.19
RN1 B C. virginis 21.39 1H-4, 104–106 1H-CC 5.55 9.92 7.74 2.19
B L. leptetrum 21.42 2H-4, 104–106 2H-CC 15.05 19.57 17.31 2.26
T E. mitodes 21.95 2H-2, 104–106 2H-4, 104–106 12.05 15.04 13.55 1.50
B C. serrata 22.04 1H-4, 104–106 1H-CC 5.55 9.92 7.74 2.19
B C. cornuta 22.26 2H-4, 104–106 2H-CC 15.05 19.57 17.31 2.26
  B C. tetrapera 22.35 2H-4, 104–106 2H-CC 15.05 19.57 17.31 2.26
upper Oligocene RP22 T A. gracilis 22.62 2H-4, 104–106 2H-CC 15.05 19.57 17.31 2.26
B D. bassanii 22.93 2H-4, 104–106 2H-CC 15.05 19.57 17.31 2.26
B E. diaphanes 22.95 3H-2, 105–107 3H-4, 105–107 21.56 24.56 23.06 1.50
T D. cyclacantha 22.98 2H-CC 3H-2, 105–107 19.57 21.56 20.57 0.99
T D. riedeli 23.01 4H-5, 106–108 4H-CC 35.57 38.60 37.09 1.52
B D. cyclacantha 23.29 3H-2, 105–107 3H-4, 105–107 21.56 24.56 23.06 1.50
T D. papilio 23.31 3H-2, 105–107 3H-4, 105–107 21.56 24.56 23.06 1.50
T L. longicornuta 24.12 3H-2, 105–107 3H-4, 105–107 21.56 24.56 23.06 1.50
T A. octopylus 24.38 3H-4, 105–107 3H-CC 24.56 28.87 26.72 2.16
T L. apodora 24.5 3H-4, 105–107 3H-CC 24.56 28.87 26.72 2.16
  B L. elongata 25.05 4H-3, 106–108 4H-5, 106–108 32.57 35.57 34.07 1.50
RP21 B A. octopylus 25.09 4H-5, 106–108 4H-CC 35.57 38.60 37.09 1.52
B D. praeforcipata 25.27 5H-4, 105–107 5H-CC 43.55 47.65 45.60 2.05
B C. robusta 25.27 4H-5, 106–108 4H-CC 35.57 38.60 37.09 1.52
B D. tubaria 25.27 4H-5, 106–108 4H-CC 35.57 38.60 37.09 1.52
B L. longicornuta 25.29 4H-3, 106–108 4H-5, 106–108 32.57 35.57 34.07 1.50
B D. scambos 25.33 4H-3, 106–108 4H-5, 106–108 32.57 35.57 34.07 1.50
B L. apodora 25.55 4H-5, 106–108 4H-CC 35.57 38.60 37.09 1.52
T D. circulus 26.17 4H-5, 106–108 4H-CC 35.57 38.60 37.09 1.52
B D. riedeli 26.2 5H-4, 105–107 5H-CC 43.56 47.65 45.61 2.04
T E. plesiodiaphanes 26.4 5H-4, 105–107 5H-CC 43.56 47.65 45.61 2.04
T L. angusta 27.68 6H-3, 95–97 6H-5, 95–97 51.46 54.46 52.96 1.50
T T. setanios 28.21 6H-5, 95–97 6H-CC 54.46 57.27 55.87 1.41
lower Oligocene B T. annosa 28.33 7H-4, 95–97 7H-CC 62.46 66.55 64.51 2.04
B D. ateuchus   7H-4, 95–97 7H-CC 62.46 66.55 64.51 2.04
  T. triceros > D. ateuchus 28.60 7H-4, 95–97 7H-CC 62.46 66.55 64.51 2.04
RP20 B E. mitodes 29.41 8H-2, 108–110 8H-4, 108–110 68.89 71.89 70.39 1.50
B T. setanios 29.51 9H-2, 105–107 9H-4, 105–107 78.55 81.56 80.06 1.51
B D. circulus 29.96 9H-2, 105–107 9H-4, 105–107 78.56 81.56 80.06 1.50
T T. tuberosa 30.13 9H-CC 10H-2, 105–107 85.87 88.06 86.97 1.10
T L. crux 30.13 9H-CC 10H-2, 105–107 85.87 88.06 86.97 1.10
B E. plesiodiaphanes 30.37 9H-CC 10H-2, 105–107 85.87 88.06 86.97 1.10
T L. oberhaensliae 30.74 9H-CC 10H-2, 105–107 85.87 88.06 86.97 1.10
B D. spinosa 30.84 11X-2, 95–97 11X-4, 95–97 97.46 100.46 98.96 1.50
T D. pseudopaplilio 30.84 11X-2, 95–97 11X-4, 95–97 97.46 100.46 98.96 1.50
T C. gravida 30.89 11X-4, 95–97 11X-CC 100.46 101.17 100.82 0.36
B L. cf. L. elongata   11X-CC 12X-2, 105–107 101.17 103.26 102.22 1.05
B L. crux 31.00 12X-2, 105–107 12X-4, 105–107 103.26 106.26 104.76 1.50
B T. tuberosa 31.00 12X-4, 105–107 12X-CC 106.26 107.99 107.13 0.86
B D. pseudopaplilio 31.00 12X-2, 105–107 12X-4, 105–107 103.26 106.26 104.76 1.50
B C. gravida 31.01 12X-2, 105–107 12X-4, 105–107 103.26 106.26 104.76 1.50
T T. triacantha 33.34 13X-5, 8–16 13X-5, 96–104 116.42 117.30 116.86 0.44
T L. aristotelis gr. 33.51 13X-2, 37–44 13X-2, 88–95 112.21 112.72 112.47 0.26
T C. hispida 33.62 13X-2, 37–44 13X-2, 88–95 112.21 112.72 112.47 0.26
T C. ornatum 33.62 13X-1, 127–134 13X-2, 37–44 111.61 112.21 111.91 0.30
T L. hadra 33.75 13X-2, 105–107 13X-3, 0–8 112.86 113.20 113.03 0.17
T L. amphitrite 33.75 13X-2, 37–44 13X-2, 88–95 112.21 112.72 112.47 0.26
T L. babylonis 33.75 13X-2, 105–107 13X-3, 0–8 112.86 113.34 113.10 0.24
  L. aristotelis > L. angusta 33.82 13X-2, 88–95 13X-2, 105–107 112.72 112.86 112.79 0.07
upper Eocene RP19 T D. copetata 33.84 12X-CC 13X-1, 127–134 107.99 111.57 109.78 1.79
B L. angusta 34.13 13X-3, 0–8 13X-3, 122–129 113.34 114.07 113.71 0.36
T C. bandyca 34.62 13X-4, 105–107 13X-4, 120–128 115.86 116.04 115.95 0.09
T C. turris 34.83 13X-2, 105–107 13X-3, 0–8 112.86 113.20 113.03 0.17
T E. fistuligerum 34.93 13X-CC 14X-2, 95–97 119.93 122.46 121.20 1.26
T T. bromia 33.94 13X-4, 120–128 13X-5, 8–16 116.04 116.42 116.23 0.19
T T. lochites 34.13 13X-4, 120–128 13X-5, 8–16 116.04 116.42 116.23  
T C. azyx 35.07 13X-4, 105–107 13X-4, 120–128 114.07 116.04 115.06 0.99
  T T. tetracantha 35.30 13X-4, 120–128 13X-5, 8–16 116.04 116.42 116.23 0.19
upper Eocene RP18 B L. hadra 35.34 13X-4, 72–80 13X-4, 96–104 115.52 115.76 115.64 0.12
  B C. bandyca 36.74 13X-CC 14X-2, 95–97 122.45 125.45 123.95 1.50
middle Eocene RP17 B L. jacchia 37.06 14X-2, 95–97 14X-4, 95–97 122.46 125.46 123.96 1.50
  B C. azyx 37.52 14X-4, 95–97 14X-CC 125.46 129.80 127.63 2.17
RP16 T Anthocyrtoma spp. 37.92 14X-CC 15X-2, 96–98 129.80 132.07 130.94 1.13
B T. bromia 38.07 14X-CC 15X-2, 96–98 129.80 132.07 130.94 1.13
B T. tetracantha 38.12 14X-CC 15X-2, 96–98 129.80 132.07 130.94 1.13
T D. anastasis 38.45 14X-CC 15X-2, 96–98 129.80 132.07 130.94 1.13
B C. turris 38.67 14X-CC 15X-2, 96–98 129.80 132.07 130.94 1.13
B L. aristotelis gr. 39.73 15X-4, 96–98 15X-CC 135.07 139.14 137.11 2.03
T P. mitra 39.85 15X-CC 16X-2, 104–106 139.14 141.75 140.45 1.31
B D. anastasis 39.98 15X-CC 16X-2, 104–106 139.14 141.75 140.45 1.31
  B P. goetheana 40.16 16X-2, 104–106 16X-4, 104–106 141.75 144.75 143.25 1.50
RP15 T L. biaurita 40.36 16X-CC 17X-2, 105–107 149.09 151.36 150.23 1.14
  P. mitra > P. chalara 40.70 17X-2, 105–107 17X-4, 105–107 151.36 154.36 152.86 1.50
RP14 T P. trachodes 41.23 17X-2, 105–107 17X-4, 105–107 151.36 154.35 152.86 1.49
B P. chalara 41.54 17X-4, 105–107 17X-CC 154.36 158.46 156.41 2.05
B C. ornatum 42.10 17X-4, 105–107 17X-CC 154.36 158.46 156.41 2.05
B S. triconiscus 42.40 17X-CC 18X-1, 95–97 158.46 159.36 158.91 0.45
T E. lagena 42.69 18X-1, 95–97 18X-4, 95–97 159.36 163.20 161.28 1.92
B T. perpumila 42.97 18X-1, 95–97 18X-4, 95–97 159.36 163.20 161.28 1.92
B P. trachodes 43.22 18X-1, 95–97 18X-4, 95–97 159.36 163.20 161.28 1.92
B Z. cimelium 43.35 18X-1, 95–97 18X-4, 95–97 159.36 163.20 161.28 1.92
  P. sinuosa > P. mitra 43.84 18X-CC 19X-1, 104–106 163.86 169.05 166.46 2.59
RP13 T P. phyxis 44.44 19X-1, 104–106 19X-3, 104–106 169.05 172.30 170.68 1.63
B P. ampla 44.77 19X-1, 104–106 19X-3, 104–106 169.05 172.30 170.68 1.63
P. phyxis > P. ampla 44.77 19X-1, 104–106 19X-3, 104–106 169.05 172.30 170.68 1.63

Notes: B = bottom, T = top.

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