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Table T40. Magnetostratigraphic and biostratigraphic datums, Site U1331. (See table note).

Event Age
(Ma)
Depth
CCSF-A (m)
Error
(m)
C2r–C2An.1n 2.581 3.20  
C2An.1n–C2An.1r 3.032 5.56  
C2An.1r–C2An.2n 3.116 6.41  
C2An.2n–C2An.2r 3.207 7.25  
C10r–C11n.1n 29.166 12.34  
C11n.1n–C11n.1r 29.467 13.62  
C11n.1r–C11n.2n 29.536 13.89  
C11.2n–C11r 29.957 14.91  
C11r–C12n 30.617 16.48  
C12n–C12r 31.021 17.22  
C12r–C13n 33.232 27.39  
C13n–C13r 33.705 28.93  
C13r–C15n 35.126 33.31  
C15n–C15r 35.254 34.11  
C15r–C16n.1n 35.328 35.24  
C16n.1n–C16n.1r 35.554 35.86  
C16n.1r–C16n.2n 35.643 39.59  
C16n.2n–C16r 36.355 43.52  
C16r–C17n.1n 36.668 45.14  
C17n.1r–C17n.2n 37.656 51.45  
C17n.2n–C17n.2r 37.907 52.05  
C17n.2r–C17n.3n 37.956 52.58  
C17n.3n–C17r 38.159 53.65  
C17r–C18n.1n 38.449 55.15  
C18n.1n–C18n.1r 39.554 65.20  
C18n.1r–C18n.2n 39.602 66.38  
C18n.2n–C18r 40.084 72.59  
C18r–C19n 41.358 91.60  
C19n–C19r 41.510 96.52  
C19r–C20n 42.536 109.72  
C20n–C20r 43.789 133.82  
C20r–C21n 47.906 164.03  
C23n.1r–C23n.2n 51.047 194.65  
C23n.2n–C23r 51.743 201.50  
Nannofossils  
B Sphenolithus distentus 30.0 12.65 0.75
T Reticulofenestra umbilicus 32.0 25.46 0.75
T Coccolithus formosus 32.9 26.73 0.52
T Discoaster saipanensis 34.4 32.56 4.00
T Chiasmolithus grandis 37.1 58.35 0.95
B Dictyococcites bisectus 38.0 61.08 0.98
T Chiasmolithus solitus 40.4 71.81 8.26
B Reticulofenestra umbilicus >14 ┬Ám 42.5 106.44 0.75
T Nannotetrina fulgens 43.4 128.89 2.58
T Tribrachiatus orthostylus 50.7 203.47 0.05
Radiolarians  
B Theocyrtis annosa 28.33 10.75 1.50
T Tristylospyris triceros > Dorcadospyris ateuchus 28.60 14.28 2.03
B Dorcadospyris circulus 29.96 19.80 2.08
B Dorcadospyris spinosa 30.84 23.36 1.48
B Dorcadospyris pseudopapilio 31.00 28.52 1.49
Lithocyclia aristotelis > Lithocyclia angusta 33.82 28.52 1.49
B Lithocyclia angusta 34.13 31.51 1.50
T Thyrsocyrtis tetracantha 35.30 35.11 2.10
B Lophocyrtis hadra 35.34 39.53 2.32
B Calocyclas bandyca 36.74 46.60 1.76
B Cryptocarpium azyx 37.52 54.75 1.50
B Podocyrtis goetheana 40.16 69.38 2.17
Podocyrtis mitra > Podocyrtis chalara 40.70 89.82 2.10
B Sethochytris triconiscus 42.40 106.46 1.50
Podocyrtis sinuosa > Podocyrtis mitra 43.84 128.81 1.50
Podocyrtis phyxis > Podocyrtis ampla 44.77 139.40 1.50
B Eusyringium lagena 47.42 160.34 4.88
Theocotyle nigriniae > Theocotyle cryptocephala 49.00 179.63 2.46
Foraminifers  
T Paragloborotalia opima 26.9 10.39 1.29
B Paragloborotalia opima 30.8 14.11 2.42
T Acarinina bulbrooki 40.8 91.79 0.25
B Turborotalia pomeroli 42.4 95.26 3.74
T Morozovella subbotinae 50.8 192.16 10.08

Note: B = bottom, T = top.

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