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Table T30. Magnetostratigraphy, Site U1331. (See table notes.)

Polarity chron Age
(Ma)		 Hole U1331A Hole U1331B Hole U1331C
Range
CSF (m) 		Best estimate
CSF (m)		 Best estimate core,
section, interval (cm)		 Measurement
type		 Range
CSF (m) 		Best estimate
CSF (m) 		Best estimate core,
section, interval (cm) 		Measurement
type 		Range
CSF (m) 		Best estimate
CSF (m) 		Best estimate core,
section, interval (cm) 		Measurement
type
0 0.000 0.00–0.00 0.000 Mudline       Not recovered   0.00–0.00   Mudline  
Normal–reversed, possibly C2n–C2r or younger   1.70–1.90 1.800 1H-2, 30 Split core     Not recorded owing to coring deformation   0.45–0.55 0.500 1H-1, 50.0 Split core
C2r–C2An.1n 2.581 3.20–3.25 3.225 1H-3, 22.5 Split core 2.30–2.35 2.325 1H-2, 82.5 Split core 2.50–2.55 2.525 1H-2, 102.5 Split core
C2An.1n–C2An.1r 3.032     Not identified   4.60–4.70 4.650 1H-4, 15 Split core 5.05–5.10 5.075 1H-4, 57.5 Split core
Excursion (?)       Not identified   5.10–5.10 5.100 1H-4, 60 Split core 5.40–5.55 5.475 1H-4, 97.5 Split core
C2An.1r–C2An.2n* 3.116     Not identified   5.45–5.50 5.475 1H-4, 97.5 Split core 5.90–6.00 5.950 1H-4, 145 Split core
C2An.2n-1r (t)*     Not identified       Between Sections 1H-4 and 5 (?)   6.30–6.30 6.300 1H-5, 30.0 Split core
C2An.2n-1r (o)*     Not identified       Between Sections 1H-4 and 5 (?)   6.40–6.45 6.425 1H-5, 42.5 Split core
C2An.2n–C2An.2r* 3.207     Not identified (should occur in upper part of Section 2H-1)   6.35–6.35 6.350 1H-5, 35 Split core 6.75–6.75 6.750 1H-5, 75 Split core
Hiatus     6.640 Hiatus at 2H-1, 144 Erosional contact   7.170 Hiatus at 1H-5, 116 Erosional contact   7.580 Hiatus at 1H-6, 5 Erosional contact
C10n.2n–C10r 28.318     Not identified       Not identified       Not identified  
C10r–C11n.1n 29.166 10.85–10.95 10.900 2H-4, 120 Split core 11.85–11.95 11.900 2H-2, 30 Split core 10.30–10.35 10.325 2H-1, 82.5 Split core
C11n.1n–C11n.1r 29.467 12.15–12.15 12.150 2H-5, 95 Split core 13.20–13.30 13.250 2H-3, 15 Split core 11.55–11.60 11.575 2H-2, 57.5 Split core
C11n.1r–C11n.2n 29.536 12.45–12.50 12.475 2H-5, 127.5 Split core 13.45–13.55 13.500 2H-3, 40 Split core 11.80–11.80 11.800 2H-1, 80 Split core
C11.2n–C11r 29.957 13.40–13.40 13.400 2H-6, 70 Split core 14.50–14.80 14.650 2H-4, 5 Split core 12.80–12.80 12.800 2H-3, 30 Split core
C11r–C12n 30.617 Not well recorded Split core 16.20–16.25 16.225 2H-5, 12.5 Split core 14.20–14.50 14.350 2H-4, 35.0 Split core
C12n–C12r 31.021 Not well recorded Split core 16.90–17.00 16.950 2H-5, 85 Split core 15.10–15.10 15.100 2H-4, 110.0 Split core
C12r–C13n 33.232 24.00–25.35 24.675 Between Cores 3H and 4H Split core 24.50–24.60 24.550 3H-4, 45 Split core 25.10–25.25 25.175 3H-5, 17.5 Split core
C13n–C13r 33.705 25.80–25.80 25.800 4H-2, 10 Split core 26.00–26.10 26.050 3H-5, 45 Split core 26.60–26.65 26.625 3H-6, 12.5 Split core
C13r-1n (t) 28.45–28.45 28.450 4H-3, 125 Split core     Not identified       Not cored  
C13r-1n (o) 28.55–28.55 28.550 4H-3, 135 Split core     Not identified       Not cored  
C13r–C15n 35.126 30.05–30.05 30.050 4H-4, 135 Split core 29.10–29.20 29.150 Between Cores 3H and 4H Split core     Not cored  
C15n–C15r 35.254 30.85–30.85 30.850 4H-5, 65 Split core 29.40–29.50 29.450 4H-1, 35 Split core     Not cored  
C15r–C16n.1n 35.328 31.95–32.00 31.975 4H-6, 27.5 Split core 30.35–30.50 30.425 4H-1, 132.5 Split core     Not cored  
C16n.1n–C16n.1r 35.554 32.60–32.60 32.600 4H-6, 90 or lower (?) Split core 31.40–31.45 31.425 4H-2, 82.5 Split core     Not cored  
C16n.1r–C16n.2n 35.643 34.00–34.00 34.000 5H-1, 30 or higher (?) Split core 33.20–33.50 33.350 4H-3, 125 (identification uncertain) Split core     Not cored  
C16n.2n–C16r 36.355 37.85–38.00 37.925 5H-3, 122.5 Split core 35.85–35.95 35.900 4H-5, 80 (identification uncertain) Split core     Not cored  
C16r–C17n.1n 36.668 39.50–39.60 39.550 5H-4, 135 Split core 38.85–39.25 39.050 Between Cores 4H and 5H (?) Split core     Not cored  
C17n.1n–C17n.1r 37.520 42.65–43.30 42.975 Between Cores 5H and 6H Split core 44.45–44.70 44.575 5H-4, 147.5 Split core     Not cored  
C17n.1r–C17n.2n 37.656 43.95–43.95 43.950 6H-1, 75 Split core 45.05–45.15 45.100 5H-5, 50 Split core     Not cored  
C17n.2n–C17n.2r 37.907 44.45–44.45 44.450 6H-1, 125 or lower (?) Split core 46.25–46.35 46.300 5H-6, 20 Split core     Not cored  
C17n.2r–C17n.3n 37.956 45.20–45.20 45.200 6H-2, 50 or higher (?) Split core 46.60–46.60 46.600 5H-6, 50 Split core     Not cored  
C17n.3n–C17r 38.159 46.35–46.35 46.350 6H-3, 15 or higher (?) Split core 47.60–47.60 47.600 5H-7, 50 Split core     Not cored  
C17r–C18n.1n 38.449 47.50–47.80 47.650 6H-3, 145 Split core     Between Cores 5H and 6H (?)       Not cored  
C18n.1n–C18n.1r 39.554 56.00–56.30 56.150 7H-3, 45 Split core     Probably between Cores 6H and 7H (?)       Not cored  
C18n.1r–C18n.2n 39.602 57.30–57.30 57.300 7H-4, 10 Split core 58.85–58.85 58.850 7H-1, 125 or higher (?) Split core     Not cored  
C18n.2n–C18r 40.084 62.85–63.00 62.925 8H-1, 72.5 Split core 64.85–64.85 64.850 7H-5, 125 Split core 61.85–61.90 61.875 6H-2, 137.5 Split core
C18r–C19n 41.358 81.35–84.80 83.075 10H-2, 7.5 Split core     Between Cores 9H and 10H (?)       Not cored  
C19n–C19r 41.510 87.90–88.10 88.000 10H-5, 80 Split core 88.20–88.45 88.325 10H-2, 72.5 Split core     Not cored  
C19r–C20n 42.536 98.78–98.98 98.880 11H-6, 150 Split core 96.95–97.90 97.425 11H-2, 32.5 Split core     Not cored  
C20n–C20r 43.789 118.60–118.90 118.750 13H-7, 5 Split core 119.00–119.00 119.000 13H-3, 140 Split core     Not cored  
C20r–C20r-1n(t)   136.40–136.40 136.400 15H-6, 20 Split core     Not identified       Not cored  
C20r-1n(o)–C20r   136.85–136.85 136.850 15H-6, 65 Split core     Not identified       Not cored  
C20r–C21n 46.264     Not identified   150.50–150.50 150.500 16H-5, 140 Split core 148.65–148.70 148.675 14H-1, 67.5 Split core
C21n–C21r 47.906     Not identified       Not identified       Not identified  
C21r–C22n 49.037     Not identified       Not identified       Not identified  
C22n–C22r 49.714     Not identified       Not identified       Not identified  
C22r–C23n.1n 50.778     Not identified       Not identified       Not identified  
C23n.1n–C23n.1r 50.946     Not identified       Not identified       Not identified  
C23n.1r–C23n.2n 51.047     Not identified       Not identified   179.20–179.25 179.225 16H-2, 72.5 Split core
C23n.2n–C23r 51.743     Not identified       Not identified   186.05–186.10 186.075 17H-2, 57.5 Split core

Notes: * = correlation is uncertain. (t) = termination of magnetozone or chronozone, (o) = onset of magnetozone or chronozone.

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