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Table T7. Radiolarian datums, Site U1332. (See table notes.)

Geologic age Zone Marker species Age
(Ma)		 Core, section, interval (cm) Depth CSF (m)
Top Bottom Top Bottom Midpoint ±
lower Miocene RN1     320-U1332A- 320-U1332A-        
B C. cornuta 22.26 3H-2, 93–95 3H-4, 93–95 15.87 18.83 17.35 1.48
  B C. tetrapera 22.35 3H-4, 93–95 3H-CC 18.83 23.52 21.18 2.35
upper Oligocene RP22 T A. gracilis 22.62 3H-4, 93–95 3H-CC 18.83 23.52 21.18 2.35
B D. bassanii 22.93 3H-4, 93–95 3H-CC 18.83 23.52 21.18 2.35
B E. diaphanes 22.95 3H-4, 93–95 3H-CC 18.83 23.52 21.18 2.35
T D. cyclacantha 22.98 3H-4, 93–95 3H-CC 18.83 23.52 21.18 2.35
T D. riedeli 23.01 3H-4, 93–95 3H-CC 18.83 23.52 21.18 2.35
B D. cyclacantha 23.29 3H-CC 4H-2, 105–107 23.52 25.50 24.51 0.99
L L. longicornuta 24.12 4H-2, 105–107 4H-4, 105–107 25.50 28.45 26.98 1.47
L A. octopylus 24.38 — —        
L L. apodora 24.5 — —        
  B L. elongata 25.05 4H-4, 105–107 4H-CC 28.45 32.96 30.71 2.26
RP21 B A. octopylus 25.09 — —        
B D. praeforcipata 25.27 4H-4, 105–107 4H-CC 28.45 32.96 30.71 2.26
B C. robusta 25.27 4H-4, 105–107 4H-CC 28.45 32.96 30.71 2.26
B D. tubaria 25.27 4H-4, 105–107 4H-CC 28.45 32.96 30.71 2.26
B L. longicornuta 25.29 4H-4, 105–107 4H-CC 28.45 32.96 30.71 2.26
B D. scambos 25.33 4H-4, 105–107 4H-CC 28.45 32.96 30.71 2.26
B L. apodora 25.55 — —        
T D. circulus 26.17 4H-4, 105–107 4H-CC 28.45 32.96 30.71 2.26
B D. riedeli 26.2            
T E. plesiodiaphanes 26.4 4H-CC 5H-2, 110–112 32.96 35.04 34.00 1.04
T L. angusta 27.68 5H-2, 110–112 5H-4, 105–107 35.04 37.94 36.49 1.45
T T. setanios 28.21 5H-4, 105–107 5H-CC 37.94 42.48 40.21 2.27
B T. annosa 28.33 6H-2, 105–107 6H-4, 105–107 44.46 47.46 45.96 1.50
  T. triceros > D. ateuchus 28.60 6H-2, 105–107 6H-4, 105–107 44.46 47.46 45.96 1.50
lower Oligocene RP20 B D. ateuchus 29.50 6H-2, 105–107 6H-4, 105–107 44.46 47.46 45.96 1.50
B E. mitodes 29.41 6H-4, 105–107 6H-CC 47.46 51.98 49.72 2.26
B D. circulus 29.96 6H-4, 105–107 6H-CC 47.46 51.98 49.72 2.26
T T. tuberosa 30.13 6H-CC 7H-3, 100–102 51.98 55.40 53.69 1.71
T L. crux 30.13 6H-CC 7H-3, 100–102 51.98 55.40 53.69 1.71
B E. plesiodiaphanes 30.37 6H-CC 7H-3, 100–102 51.98 55.40 53.69 1.71
T L. oberhaensliae 30.74 7H-3, 100–102 7H-5, 100–102 55.40 58.41 56.91 1.50
B D. spinosa 30.84 7H-5, 100–102 7H-CC 58.41 61.50 59.96 1.55
T D. pseudopaplilio 30.84 7H-CC 8H-2, 105–107 61.50 63.45 62.48 0.98
T C. gravida 30.89 7H-CC 8H-2, 105–107 61.50 63.45 62.48 0.98
B L. crux 31.00 8H-4, 105–107 8H-CC 66.45 71.01 68.73 2.28
B T. tuberosa 31.00 8H-4, 105–107 8H-CC 66.45 71.01 68.73 2.28
B D. pseudopaplilio 31.00 9H-1, 92–98 9H-3, 92–98 71.35 74.38 72.87 1.52
B C. gravida 31.01 8H-4, 105–107 8H-CC 66.45 71.01 68.73 2.28
T T. triacantha 33.34 9H-3, 92–98 (8H-4,105) 9H-5, 92–98 (8H-CC) 74.37 77.34 75.86 1.49
T L. aristotelis gr. 33.51 9H-3, 92–98 9H-5, 92–98 74.37 77.34 75.86 1.49
T C. hispida 33.62 9H-3, 92–98 9H-5, 92–98 74.37 77.34 75.86 1.49
T C. ornatum 33.62 9H-3, 92–98 9H-5, 92–98 74.37 77.34 75.86 1.49
T L. babylonis 33.75 9H-3, 92–98 9H-5, 92–98 74.37 77.34 75.86 1.49
upper Eocene   L. aristotelis > L. angusta 33.82 9H-5, 92–98 9H-CC 77.34 81.68 79.51 2.17
RP19 T D. copetata 33.84 9H-5, 92–98 9H-CC 77.34 81.68 79.51 2.17
B L. angusta 34.13 9H-CC 10H-2, 94–96 81.68 82.34 82.01 0.33
T C. bandyca 34.62 9H-CC 10H-2, 94–96 81.68 82.34 82.01 0.33
  T T. tetracantha 35.30 9H-CC 10H-2, 94–96 81.68 82.34 82.01 0.33
RP18 B L. hadra 35.34 10H-2, 94–96 10H-4, 94–96 82.34 85.34 83.84 1.50
  B C. bandyca 36.74 10H-4, 94–96 10H-CC 85.34 89.90 87.62 2.28
middle Eocene RP17 B L. jacchia 37.06 10H-CC 11H-2, 105–107 89.90 91.94 90.92 1.02
  B C. azyx 37.52 11H-2, 105–107 11H-4, 105–107 91.94 94.94 93.44 1.50
RP16 T Anthocyrtoma spp. 37.92 11H-4, 105–107 12H-CC 94.94 98.53 96.74 1.80
B T. bromia 38.07 11H-4, 105–107 12H-CC 94.94 98.53 96.74 1.80
B T. tetracantha 38.12 11H-4, 105–107 12H-CC 94.94 98.53 96.74 1.80
T D. anastasis 38.45 12H-2, 105–107 12H-4, 105–107 101.46 104.46 102.96 1.50
B C. turris 38.67 11H-CC 12H-2, 105–107 98.53 101.46 100.00 1.46
B L. aristotelis gr. 39.73 12H-2, 105–107 12H-4, 105–107 101.46 104.46 102.96 1.50
B D. anastasis 39.98 12H-4, 105–107 13H-CC 104.46 108.46 106.46 2.00
  B P. goetheana 40.16 12H-4, 105–107 13H-CC 104.46 108.46 106.46 2.00
RP15 T L. biaurita 40.36 12H-4, 105–107 13H-CC 104.46 108.46 106.46 2.00
  P. mitra > P. chalara 40.70 13H-CC 14H-2, 104–106 118.39 120.44 119.42 1.03
middle Eocene RP14 T P. trachodes 41.23 13H-CC 14H-2, 104–106 118.39 120.44 119.42 1.03
B P. chalara 41.54 14H-2, 104–106 14H-4, 104–106 120.44 123.45 121.95 1.51
B C. ornatum 42.10 14H-4, 104–106 14H-CC 123.45 126.29 124.87 1.42
B S. triconiscus 42.40 14H-CC 15X-3, 42–44 126.29 129.36 127.83 1.53
T E. lagena 42.69 14H-CC 15X-3, 42–44 126.29 129.36 127.83 1.53
B T. perpumila 42.97 14H-CC 15X-3, 42–44 126.29 129.36 127.83 1.53
T P. helenae 43.05 14H-2, 104–106 14H-4, 104–106 120.44 123.45 121.95 1.51
B P. trachodes 43.22 16X-1, 41–49 16X-1, 112–120 135.94 136.66 136.30 0.36
B Z. cimelium 43.35 15X-5, 40–42 15X-CC 132.30 132.93 132.62 0.31
  P. sinuosa > P. mitra 43.84 16X-1, 112–120 16X-2, 37–44 136.66 137.36 137.01 0.35
RP13     320-U1332C- 320-U133C-
B P. helenae 44.14 15X-CC 16X-CC 132.93 138.20 135.57 2.63
T P. phyxis 44.44 15X-CC 16X-CC 132.93 138.20 135.57 2.63
T P. diamesa 44.44 15X-CC 16X-CC 132.93 138.20 135.57 2.63
T S. balbis 44.77 16X-CC 17X-CC 138.20 146.90 142.55 4.35
B P. mitra 44.77 16X-CC 17X-CC 138.20 146.90 142.55 4.35
B P. ampla 44.77 16X-CC 17X-CC 138.20 146.90 142.55 4.35
P. phyxis > P. ampla 44.77 16X-CC 17X-CC 138.20 146.90 142.55 4.35

Notes: B = bottom, T = top, L = last. — = not encountered.

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